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WO2017154043A1 - Nouveaux équipement et procédé de production de gaz naturel et d'hydrogène - Google Patents

Nouveaux équipement et procédé de production de gaz naturel et d'hydrogène Download PDF

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Publication number
WO2017154043A1
WO2017154043A1 PCT/JP2016/001345 JP2016001345W WO2017154043A1 WO 2017154043 A1 WO2017154043 A1 WO 2017154043A1 JP 2016001345 W JP2016001345 W JP 2016001345W WO 2017154043 A1 WO2017154043 A1 WO 2017154043A1
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WIPO (PCT)
Prior art keywords
gas
product
natural gas
hydrogen
production line
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Ceased
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PCT/JP2016/001345
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English (en)
Japanese (ja)
Inventor
嘉之 渡邉
英史 大森
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JGC Corp
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JGC Corp
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Priority to RU2018129305A priority Critical patent/RU2696154C1/ru
Priority to PCT/JP2016/001345 priority patent/WO2017154043A1/fr
Priority to JP2018503849A priority patent/JPWO2017154043A1/ja
Publication of WO2017154043A1 publication Critical patent/WO2017154043A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
    • C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
    • C10L3/10—Working-up natural gas or synthetic natural gas
    • C10L3/101—Removal of contaminants
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
    • C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
    • C10L3/10—Working-up natural gas or synthetic natural gas
    • C10L3/101—Removal of contaminants
    • C10L3/102—Removal of contaminants of acid contaminants
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
    • C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
    • C10L3/10—Working-up natural gas or synthetic natural gas
    • C10L3/101—Removal of contaminants
    • C10L3/102—Removal of contaminants of acid contaminants
    • C10L3/103—Sulfur containing contaminants
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/04—Gasification
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/08—Drying or removing water
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/54—Specific separation steps for separating fractions, components or impurities during preparation or upgrading of a fuel
    • C10L2290/542—Adsorption of impurities during preparation or upgrading of a fuel

Definitions

  • the present invention relates to a novel production facility and production method for natural gas and hydrogen. More specifically, the present invention relates to a novel hydrogen production facility (or production method) in combination with a natural gas production facility (or production method).
  • Hydrogen for fuel cell vehicles for domestic use is expected to be available for the time being by utilizing idle equipment and surplus facilities in Japan, but if hydrogen power generation is implemented in the future, domestic hydrogen will be insufficient. It is said that it is necessary to import hydrogen from abroad. Hydrogen needs to be converted from a gas to a liquid for transportation, but a large amount of energy of about 10.8 to 12.7 kW / kg is required for liquefaction of hydrogen. Efficiency improvement is a challenge. In order to produce liquefied hydrogen, examples aiming to reduce energy intensity and production cost are known (see, for example, Patent Documents 1 to 3).
  • An object of the present invention is to provide a new product natural gas and product hydrogen production facility and production method that integrate a natural gas processing plant and a hydrogen production plant, which can reduce production costs.
  • the present inventors have conceived the present invention with the idea of producing inexpensive hydrogen for energy use in gas producing countries.
  • natural gas processing plants are often installed to export product natural gas through pipelines.
  • the present invention contributes to the cost reduction of the hydrogen production plant by providing the natural gas processing plant and the hydrogen production plant together and sharing and sharing the necessary facilities.
  • the following product hydrogen gas and product natural gas production facilities and the like can be provided.
  • Equipment for producing product hydrogen gas and product natural gas using natural gas as a raw material It has a product hydrogen gas production line and a product natural gas production line,
  • the product hydrogen gas production line and the product natural gas production line are one or a plurality of raw materials selected from the group consisting of a condensate separation device, an acid gas absorption tower, an acid gas diffusion tower, and a mercury removal device.
  • Product hydrogen gas and product natural gas production facilities that share natural gas pretreatment equipment.
  • Producing a mixed gas of hydrogen and natural gas comprising the facility for producing product hydrogen gas and product natural gas according to any one of 1 to 3 and further comprising the facility for mixing product hydrogen gas and product natural gas Equipment for. 5.
  • a method for producing product hydrogen gas and product natural gas using natural gas as a raw material After supplying the natural gas to one or more pretreatments selected from the group consisting of condensate separation, acid gas absorption, acid gas emission, and mercury removal, A method for producing product hydrogen gas and product natural gas, comprising branching to a product hydrogen gas production line and a product natural gas production line.
  • a method for producing a mixed gas of hydrogen and natural gas comprising the method of producing a product hydrogen gas and a product natural gas according to 6.5, and further comprising a step of mixing the product hydrogen gas and the product natural gas. 7). 7. The method for producing a mixed gas of hydrogen and natural gas according to 6, wherein the hydrogen concentration in the mixed gas is 33 vol% or less. 8).
  • FIG. 1 is a process block diagram showing a typical conventional process for producing product natural gas and hydrogen gas.
  • FIG. 2 is a process block diagram showing a process for sharing the raw material natural gas pretreatment apparatus used in the first embodiment.
  • FIG. 3 is a process block diagram showing a process for sharing the raw material natural gas pretreatment apparatus used in the second embodiment.
  • FIG. 4 is a process block diagram showing a process for sharing the raw material natural gas pretreatment apparatus used in the third embodiment.
  • FIG. 5 is a process block diagram showing a process of sharing the raw material natural gas pretreatment apparatus used in Example 4.
  • FIG. 6 is a process block diagram showing the process used in the fifth embodiment.
  • the production facility for product hydrogen gas and product natural gas of the present invention is a facility for producing product hydrogen gas and product natural gas using natural gas as a raw material, and comprises a product hydrogen gas production line, a product natural gas production line, Wherein the product hydrogen gas production line and the product natural gas production line are selected from the group consisting of a condensate separation device, an acid gas absorption tower, an acid gas diffusion tower, and a mercury removal device, or A plurality of raw material natural gas pretreatment apparatuses are shared.
  • the present inventors paid attention to the integration of a natural gas processing plant and a hydrogen production plant.
  • the present invention realizes a reduction in plant cost by reducing equipment by installing a natural gas processing plant and a hydrogen production plant.
  • the product hydrogen gas production line in the present invention purifies raw natural gas obtained from a gas field to produce hydrogen gas of a quality that can be distributed as a product, and utilizes steam reforming. Specifically, natural gas is used as a raw material and reacted with water vapor at a high temperature to generate a gas containing hydrogen and carbon monoxide.
  • the product hydrogen gas production line has one or more raw material natural gas pretreatment devices selected from the group consisting of a condensate separation device, an acid gas absorption tower, an acid gas diffusion tower, and a mercury removal device.
  • a known production line can be used provided that it is shared with the gas production line.
  • the product natural gas production line in the present invention purifies raw natural gas obtained from a gas field and produces natural gas of a quality that can be distributed as a product.
  • the product natural gas production line includes hydrogen gas as one or more raw material natural gas pretreatment devices selected from the group consisting of a condensate separation device, an acid gas absorption tower, an acid gas diffusion tower, and a mercury removal device.
  • a known production line can be used provided that it is shared with the production line.
  • the condensate separation device is a device for separating and recovering heavy liquid hydrocarbons (condensate and condensate) contained in the raw natural gas, and a known one can be used.
  • the acid gas absorption tower is an apparatus for absorbing and removing the acid gas contained in the raw natural gas, and a known one can be used.
  • the acid gas include hydrogen sulfide gas and carbon dioxide gas.
  • the acidic gas diffusion tower is an apparatus for releasing acidic gas absorbed from the raw natural gas by the acidic gas absorption tower, and a known one can be used.
  • the mercury removal device is a device for separating and removing mercury contained in the raw natural gas, and a known device can be used.
  • the dehydrating device is a device for separating and removing water contained in the raw natural gas, and a known device can be used.
  • the dew point adjusting device is a device for adjusting the dew point of the hydrocarbon contained in the product natural gas, and a known device can be used.
  • product natural gas refers to natural gas obtained by refining raw material natural gas obtained from a gas field to a quality that can be distributed as a product.
  • the product hydrogen gas refers to a hydrogen gas obtained by refining raw material natural gas obtained from a gas field to a quality that can be distributed as a product.
  • the shared pretreatment device may include at least an acid gas diffusion tower.
  • the product hydrogen gas production line and the product natural gas production line share the acid gas stripping tower, so there is no need to have an independent acid gas stripping tower in each production line, and plant costs can be reduced by reducing equipment. Can be reduced.
  • raw material natural gas is treated in a condensate separation device to separate and recover the condensate, and then treated in an acid gas absorption tower and an acid gas diffusion tower to separate and recover the acid gas.
  • the product hydrogen gas production line shall have an independent device separate from that of the product natural gas production line for the condensate separation device and the acid gas absorption tower, and the product natural gas production for the acid gas diffusion tower. Share it with the ones in line.
  • the product natural gas production line and the product hydrogen gas production line are provided with a plurality of acid gas absorption towers, and the plurality of acid gas absorption towers May share a single acid gas stripping tower.
  • the product natural gas production line has an acid gas absorption tower as a raw material natural gas pretreatment device
  • the product hydrogen gas production line has an acid gas absorption tower as a raw material natural gas pretreatment device.
  • an acid gas absorption tower for separating and absorbing carbon dioxide generated by the shift reaction can be provided. Process fluids from a total of three acid gas absorption towers can be supplied to a single acid gas diffusion tower to separate and recover the acid gas.
  • the shared pretreatment device includes at least an acid gas diffusion tower, and further includes a condensate separation device and an acid gas absorption tower. May be.
  • the condensate separator, the acid gas absorption tower, and the acid gas diffusion tower are shared.
  • the raw material natural gas is processed in a condensate separator to separate and recover the condensate, and then processed in an acidic gas absorption tower and an acidic gas diffusion tower to separate and recover the acidic gas.
  • the resulting pretreated natural gas is supplied separately to a product natural gas production line and a product hydrogen gas production line.
  • the shared pretreatment device includes at least an acid gas diffusion tower, and further includes a condensate separation device, an acid gas absorption tower, and mercury removal.
  • An apparatus may be included.
  • the condensate separation device, the acid gas absorption tower, the acid gas diffusion tower, and the mercury removal device are shared.
  • Raw material natural gas is treated in a condensate separator to separate and recover condensate, treated in an acid gas absorption tower and acid gas stripping tower to separate and recover acid gas, and then processed in a mercury removal equipment to separate and recover mercury.
  • the obtained pretreated natural gas is supplied separately to a product natural gas production line and a hydrogen gas production line.
  • the shared pretreatment device may be a condensate separation device.
  • the raw material natural gas is processed in the condensate separator to separate and recover the condensate, and the natural gas processed in the condensate separator is supplied separately to the product natural gas production line and the product hydrogen gas production line.
  • the equipment for producing the mixed gas of hydrogen and natural gas can be provided by providing the equipment for producing the product hydrogen gas and the product natural gas of the present invention, and further comprising the equipment for mixing the product hydrogen gas and the product natural gas.
  • the facility for producing a mixed gas of hydrogen and natural gas according to the present invention includes a facility for mixing product hydrogen gas and product natural gas produced by the facility for producing product hydrogen gas and product natural gas according to the present invention. Accordingly, by providing the product hydrogen gas and product natural gas production facility of the present invention, it is possible to reduce the plant cost by sharing the raw material natural gas pretreatment device, and for example, product natural gas and product for hydrogen power generation By shipping with hydrogen gas mixed, the transportation cost can be reduced.
  • the method for producing product hydrogen gas and product natural gas is a method for producing product hydrogen gas and product natural gas using natural gas as a raw material, and includes separation of condensate, absorption of acid gas, and emission of acid gas. And raw material natural gas subjected to one or a plurality of pretreatments selected from the group consisting of mercury removal, and the pretreated raw material natural gas, product hydrogen gas production line and product natural gas production line And branching.
  • This enables the production of product hydrogen gas and product natural gas by performing batch processing instead of independently performing the pretreatment of the raw material natural gas common to the product hydrogen gas production line and the product natural gas production line. Costs required can be reduced.
  • the production method of product hydrogen gas and product natural gas of the present invention described above can be carried out using the production equipment for product hydrogen gas and product natural gas of the present invention.
  • the method for producing a mixed gas of hydrogen and natural gas can be provided by including the process of producing the product hydrogen gas and the product natural gas of the present invention and further comprising the step of mixing the product hydrogen gas and the product natural gas. .
  • the method for producing a mixed gas of hydrogen and natural gas of the present invention comprises a step of mixing the product hydrogen gas produced by the method for producing product hydrogen gas and product natural gas of the present invention and product natural gas.
  • the hydrogen concentration in the mixed gas of hydrogen gas and natural gas produced by the production method of the present invention is, for example, 33 vol% or less. Thereby, the standard of city gas can be satisfied.
  • the production method of the present invention may further include shipping a mixed gas of hydrogen and natural gas through a pipeline or a compressed gas holder.
  • the shipping equipment, transportation equipment, and receiving equipment for hydrogen and natural gas can be shared, and the costs associated with shipping, transportation, and acceptance can be reduced.
  • Comparative Example 1 shows a combined production plant of product natural gas and product hydrogen gas, each of which combines a general natural gas production process and a hydrogen gas production process in the prior art.
  • a block diagram of the process of Comparative Example 1 is shown in FIG.
  • raw material natural gas 101 supplied from a gas field is separated into condensate (heavy hydrocarbon) by a condensate separation device 102 to become a gas 103 mainly composed of methane. . Since this gas contains an acidic gas such as carbon dioxide or hydrogen sulfide, the acidic gas 106 is absorbed and removed by the solvent 105 in the acidic gas absorption tower 104. The acidic gas 106 absorbed by the acidic gas absorption tower 104 is released from the solvent 105 by the diffusion tower 107, and after detoxification processing by the detoxification equipment 108 as necessary, it is released to the atmosphere.
  • a condensate separation device 102 contains an acidic gas such as carbon dioxide or hydrogen sulfide
  • the natural gas 109 from which the acid gas 106 has been removed is further subjected to mercury removal in a mercury removal step 110, and the natural gas 111 that has undergone the mercury removal step 110 is dehydrated in a dehydration step 112.
  • the product natural gas 114 which is transported through a pipeline or shipped as a compressed gas.
  • hydrogen used as a raw material for product hydrogen gas is produced by reforming raw material natural gas supplied from a gas field.
  • the raw material natural gas 201 is separated from condensate (condensate separation device 202), acid gas absorption and removal (acid gas absorption tower 204, acid gas diffusion tower 207), and mercury removal (mercury removal step). 210), and is provided for the abatement treatment (abatement equipment 208) as necessary.
  • condensate separation device 202 condensate separation device 202
  • acid gas absorption and removal acid gas absorption and removal
  • mercury removal mercury removal
  • pretreated gases 211 pass through a desulfurization step (specifically, hydrodesulfurization and adsorptive desulfurization) 212, steam in a reforming step (hydrogen production step) 213, and, if necessary, air
  • a reformed gas 216 containing hydrogen as a main component is obtained by reacting with oxygen 215 separated from air by a separation apparatus (Air Separation Unit: ASU) 214.
  • ASU Air Separation Unit
  • carbon monoxide in the reformed gas is reacted with water vapor to convert it into hydrogen and carbon dioxide.
  • the generated carbon dioxide 220 is absorbed by the solvent 219 in the acid gas absorption tower 218. Remove.
  • the carbon dioxide 220 absorbed by the acid gas absorption tower 218 is released from the solvent 219 by the diffusion tower 221 and released to the atmosphere.
  • the hydrogen gas 222 from which the carbon dioxide 220 has been removed is then increased in hydrogen purity by a pressure swing adsorption process (PSA) 223, etc., and then transferred as a product hydrogen gas 224 through a pipeline or compressed gas. Or ship as.
  • PSA pressure swing adsorption process
  • the product natural gas 114 is obtained as 690 MMscfd.
  • the product hydrogen gas 224 is obtained as 120 MMscfd.
  • Example 1 An embodiment of a process in which the hydrogen gas production line and the product natural gas production line share the raw material natural gas pretreatment apparatus is shown in FIG. Specifically, the shared pretreatment devices are a condensate separation device, an acid gas removal device, and a mercury removal device.
  • the same reference numerals as in FIG. 1 mean that the process fluid, apparatus, or process is the same.
  • FIG. 2 shows the same process of the production natural gas production plant 100 as compared with FIG.
  • condensate separation (condensate separation device 202), acid gas absorption removal (acid gas absorption tower 204, acid gas diffusion tower 207), mercury removal (mercury removal process 210)
  • acid gas absorption removal (acid gas absorption tower 204, acid gas diffusion tower 207), mercury removal (mercury removal process 210)
  • mercury removal (mercury removal process 210)
  • Each process (equipment) of the natural gas production plant 100 is shared. That is, the natural gas 111 that has undergone the mercury removal process 110 of the product natural gas production plant 100 is used as the pretreated natural gas 211, and the desulfurization process of the product hydrogen gas production plant 200 (specifically, hydrodesulfurization and adsorption). Desulfurization) 212.
  • the subsequent steps are the same as in FIG.
  • the acid gases 106 and 220 emitted from the acid gas diffusion towers 107 and 221 are compressed and stored in the ground after being compressed (CCS: Carbon dioxide Capture and Storage), or The oil may be used for enhanced recovery (EOR: Enhanced Oil Recovery) of crude oil.
  • CCS Carbon dioxide Capture and Storage
  • EOR Enhanced Oil Recovery
  • the raw material natural gas 101 is supplied at a flow rate of 740 MMscfd (million cubic feet / day, excluding acid gas) in the product natural gas production plant 100.
  • 690 MMscfd is supplied to the subsequent process of the production natural gas production plant 100
  • 50 MMscfd is supplied to the production hydrogen gas production plant 200
  • oxygen 215 separated from the air by the ASU 214 is 40 MMscfd.
  • Supply at a flow rate of As a result, as in Comparative Example 1, 690 MMscfd of product natural gas 114 is obtained, and 120 MMscfd of product hydrogen gas 224 is obtained.
  • Example 2 An embodiment of a process in which the hydrogen gas production line and the product natural gas production line share the raw material natural gas pretreatment apparatus is shown in FIG. Specifically, the shared pre-processing device is a condensate separation device.
  • the same reference numerals as in FIG. 1 mean that the process fluid, apparatus, or process is the same.
  • FIG. 3 is the same as the process of the product natural gas production plant 100 in FIG.
  • the condensate separation shares the process (equipment) of the product natural gas production plant 100. That is, the natural gas 103 that has passed through the condensate separation process (condensate separation device 102) of the product natural gas production plant 100 is used as the pretreated natural gas 203, and the acid gas absorption and removal process of the product hydrogen gas production plant 200 ( It uses for the acidic gas absorption tower 204 and the acidic gas diffusion tower 207). The subsequent steps are the same as in FIG.
  • the raw material natural gas 101 is supplied at a flow rate of 740 MMscfd (million cubic feet / day, excluding acid gas) in the product natural gas production plant 100.
  • 690 MMscfd is supplied to the subsequent process of the production natural gas production plant 100
  • 50 MMscfd is supplied to the production hydrogen gas production plant 200
  • oxygen 215 separated from the air by the ASU 214 is 40 MMscfd.
  • Supply at a flow rate of As a result, as in Comparative Example 1, 690 MMscfd of product natural gas 114 is obtained, and 120 MMscfd of product hydrogen gas 224 is obtained.
  • Example 3 A process in which the hydrogen gas production line and the product natural gas production line share the raw material natural gas pretreatment device is shown in FIG.
  • the shared pretreatment apparatus is a condensate separator, an acid gas absorption tower, and an acid gas diffusion tower. 4, the same reference numerals as in FIG. 1 mean that the process fluid, the apparatus, or the process is the same.
  • FIG. 4 shows the same process of the production natural gas production plant 100 as compared with FIG.
  • condensate separation (condensate separation device 202) and acid gas absorption removal (acid gas absorption tower 204, acid gas stripping tower 207) are performed in each step of product natural gas production plant 100 ( Equipment). That is, the natural gas 109 that has passed through the acid gas removal step (the acid gas absorption tower 104 and the acid gas diffusion tower 107) of the product natural gas production plant 100 is used as the pretreated natural gas 209, and the product hydrogen gas production plant 200 Subject to mercury removal step 210. The subsequent steps are the same as in FIG.
  • the acid gases 106 and 220 diffused in the acid gas stripping towers 107 and 221 may be used for CCS or EOR as shown in FIG.
  • the raw material natural gas 101 is supplied at a flow rate of 740 MMscfd (million cubic feet / day, excluding acid gas) in the product natural gas production plant 100.
  • 690 MMscfd is supplied to the subsequent process of the product natural gas production plant 100
  • 50 MMscfd is supplied to the product hydrogen gas production plant 200
  • oxygen 215 separated from the air by the ASU 214 is 40 MMscfd.
  • Supply at a flow rate of As a result, as in Comparative Example 1, 690 MMscfd of product natural gas 114 is obtained, and 120 MMscfd of product hydrogen gas 224 is obtained.
  • Example 4 A process in which the hydrogen gas production line and the product natural gas production line share the raw material natural gas pretreatment device is shown in FIG. Specifically, the shared pretreatment device is an acid gas diffusion device.
  • FIG. 5 is the same as FIG. 1 in the process of the product natural gas production plant 100.
  • the acid gas 206 absorbed by the acid gas absorption tower 204 is supplied to the acid gas diffusion tower 107 shared with the product natural gas production plant 100.
  • Other steps are the same as the process of FIG. 1, but in the product hydrogen gas production plant 200, after the shift reaction step 217, the carbon dioxide 220 absorbed and removed by the solvent 219 in the acid gas absorption tower 218 is acidic. You may supply to the gas diffusion tower 107.
  • the product natural gas 114 is obtained as 690 MMscfd.
  • the product hydrogen gas 224 is obtained as 120 MMscfd.
  • the raw material supply amount and product production amount are the same as those in Comparative Example 1.
  • Example 5 In the process of Example 5, in the product natural gas production plant 100, the hydrogen gas produced in the product hydrogen gas production plant 200 is mixed with the product natural gas after the hydrocarbon dew point adjustment in the dew point adjustment step 113.
  • the first embodiment is the same as the first embodiment except for shipping.
  • a block process diagram is shown in FIG. In FIG. 6, the same reference numerals as in FIG. 1 mean that the process fluid, apparatus, or process is the same.
  • the product natural gas and hydrogen are mixed at the gas production site and shipped in a pipeline or compressed gas holder, so that the product natural gas and hydrogen are separated into separate pipelines. Compared with shipping with compressed gas holders, product transportation costs can be reduced.
  • the product natural gas 114 is obtained as 690 MMscfd.
  • the raw material natural gas is supplied at a flow rate of 50 MMscfd and the oxygen 215 separated from the air by the ASU 214 is supplied at a flow rate of 40 MMscfd in the production hydrogen gas production plant 200
  • the product hydrogen gas 224 is obtained as 120 MMscfd.
  • 810 MMscfd of hydrogen mixed natural gas is obtained.
  • hydrogen can be produced at low cost in a gas producing country, and it can contribute to promotion of use for fuel cells and hydrogen power generation.

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Hydrogen, Water And Hydrids (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Gas Separation By Absorption (AREA)

Abstract

La présente invention concerne un équipement de production destiné à produire un gaz hydrogène en tant que produit et un gaz naturel en tant que produit utilisant du gaz naturel en tant que matière première, l'équipement comportant une ligne de production de gaz hydrogène en tant que produit et une ligne de production de gaz naturel en tant que produit, la ligne de production de gaz hydrogène en tant que produit et la ligne de production de gaz naturel en tant que produit partageant au moins un dispositif de prétraitement de gaz naturel en tant que matière première, lesdits dispositifs de prétraitement étant choisis dans le groupe constitué par un séparateur de condensat, une tour d'absorption de gaz acide, une tour de désorption de gaz acide et un dispositif d'élimination de mercure.
PCT/JP2016/001345 2016-03-10 2016-03-10 Nouveaux équipement et procédé de production de gaz naturel et d'hydrogène Ceased WO2017154043A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
RU2018129305A RU2696154C1 (ru) 2016-03-10 2016-03-10 Новое технологическое оборудование и способ получения природного газа и водорода
PCT/JP2016/001345 WO2017154043A1 (fr) 2016-03-10 2016-03-10 Nouveaux équipement et procédé de production de gaz naturel et d'hydrogène
JP2018503849A JPWO2017154043A1 (ja) 2016-03-10 2016-03-10 天然ガス及び水素の新規な製造設備及び製造方法

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JPH11228101A (ja) * 1998-02-09 1999-08-24 Shinko Pantec Co Ltd 水素・酸素製造プロセス及びその水素の利用プロセス
JP2010500272A (ja) * 2006-08-09 2010-01-07 レール・リキード−ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード 水素精製方法
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US20120036889A1 (en) * 2010-08-10 2012-02-16 Iaccino Larry L Methane Conversion Process

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RU2570795C1 (ru) * 2014-07-15 2015-12-10 Игорь Анатольевич Мнушкин Газоперерабатывающий и газохимический комплекс

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JPS4614242B1 (fr) * 1966-02-23 1971-04-16
JPH11228101A (ja) * 1998-02-09 1999-08-24 Shinko Pantec Co Ltd 水素・酸素製造プロセス及びその水素の利用プロセス
JP2010500272A (ja) * 2006-08-09 2010-01-07 レール・リキード−ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード 水素精製方法
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US20120036889A1 (en) * 2010-08-10 2012-02-16 Iaccino Larry L Methane Conversion Process

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