IE86666B1 - A gasification system and method - Google Patents
A gasification system and methodInfo
- Publication number
- IE86666B1 IE86666B1 IE20140243A IE20140243A IE86666B1 IE 86666 B1 IE86666 B1 IE 86666B1 IE 20140243 A IE20140243 A IE 20140243A IE 20140243 A IE20140243 A IE 20140243A IE 86666 B1 IE86666 B1 IE 86666B1
- Authority
- IE
- Ireland
- Prior art keywords
- fuel
- processing
- synthetic gas
- fischer
- gas
- Prior art date
Links
- 238000002309 gasification Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000007789 gas Substances 0.000 claims abstract description 58
- 239000000446 fuel Substances 0.000 claims abstract description 32
- 230000000035 biogenic effect Effects 0.000 claims abstract description 20
- 239000002023 wood Substances 0.000 claims abstract description 10
- 239000002551 biofuel Substances 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 239000010801 sewage sludge Substances 0.000 claims abstract description 8
- 239000002699 waste material Substances 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 16
- 239000001257 hydrogen Substances 0.000 claims description 16
- 229910052739 hydrogen Inorganic materials 0.000 claims description 16
- 239000003054 catalyst Substances 0.000 claims description 11
- 239000002028 Biomass Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 238000007781 pre-processing Methods 0.000 claims description 7
- 230000029087 digestion Effects 0.000 claims description 4
- 239000000443 aerosol Substances 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000002407 reforming Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 230000003028 elevating effect Effects 0.000 claims description 2
- 239000002737 fuel gas Substances 0.000 abstract description 2
- 239000010815 organic waste Substances 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 description 25
- 238000003786 synthesis reaction Methods 0.000 description 23
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 16
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 9
- 229910002091 carbon monoxide Inorganic materials 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 239000000470 constituent Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 239000003575 carbonaceous material Substances 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- -1 car tyres Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003502 gasoline Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 239000004484 Briquette Substances 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 240000003433 Miscanthus floridulus Species 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention provides a gasification system and method, and in particular a system and method for producing a synthetic fuel gas from waste material such as rubber sourced from used tyres or the like, sewage sludge, wood or other organic waste, or any other suitable waste materials, the method comprising feeding biogenic fuel to a gasifier, effecting gasification of the biogenic fuel to produce a synthetic gas, and effecting Fischer-Tropsch processing of the synthetic gas to produce a liquid biofuel.
Description
A gasification system and method
Field of the invention
The present invention is concerned with a gasification system and method, and in particular a system and method for producing a synthetic fuel gas from waste material such as rubber sourced from used tyres or the like, sewage sludge, wood or other organic waste, or any other suitable waste materials.
Background of the invention
Gasification is a process that converts carbonaceous materials, such as car tyres, wood, miscanthus, or other biomass, into carbon monoxide and hydrogen. This conversion is achieved by reacting the raw material at high temperatures with a controlled amount of oxygen. The result in gas mixture is known as synthesis gas or syngas and is itself a fuel.
The properties of the fuel, for example the calorific value or carbon/hydrogen ratio, will depend on the biogenic material that undergoes gasification to produce the syngas.
It is an object of the present invention to provide a gasification system and method which enables the use of relatively low value materials such as shredded car tyres, wood chips, sewage sludge or the like to be used as gasifier fuel for the production of syngas, which is subsequently processed to produce a liquid bio fuel.
Summary of the invention
A gasification method for producing a liquid biofuel, the method comprising the steps of;
feeding biogenic fuel to a gasifier;
effecting gasification of the biogenic fuel to produce a synthetic gas;
effecting the Fischer-Tropsch processing of the synthetic gas to produce a liquid biofuel.
Preferably, the method comprises the step of pre-processing the biogenic fuel, prior to the step of feeding the fuel to the gasifier, to adjust the calorific value of the biogenic fuel.
Preferably, the step of pre-processing the fuel comprises combining various biogenic materials to form the biogenic fuel having the desired calorific value.
Preferably, the step of pre-processing the fuel comprises combining rubber and/or sewage sludge and/or wood and/or biomass digestion residue and/or municipal waste and/or other biomass material.
Preferably, the method comprises, prior to Fischer-Tropsch processing, the step of processing the synthetic gas by water gas shift reaction to alter the hydrogen content of the synthetic gas.
Preferably, the method comprises passing the synthetic gas through a dust filter prior to FischerTropsch processing.
Preferably, the method comprises the step of cooling the synthetic gas prior to Fischer-Tropsch processing.
Preferably, the method comprises the aerosol deposition of water into the synthetic gas prior to Fischer-Tropsch processing.
Preferably, the method comprising elevating the pressure of the synthetic gas prior to FischerTropsch processing.
According to a second aspect of the present invention there is provided a gasification system comprising a gasifier; a gas processing unit fed with synthetic gas from the gasifier; and a FischerTropsch reactor downstream of the gas processing unit.
Preferably, the gas processing unit comprises a gas filter.
Preferably, the gas processing unit comprises a gas cooler.
Preferably, the system comprises a compressor upstream of the Fischer-Tropsch reactor and operable to increase the pressure of the synthetic gas being fed to the Fischer-Tropsch reactor.
Brief description of the drawings
Figure 1 illustrates a sectioned elevation of a gasification system according to an embodiment of the present invention; and
Figure 2 illustrates a flow chart of a gasification method according to an embodiment of the present invention.
Detailed description of the drawings
Referring now to the accompanying drawings there is illustrated a gasification system, generally indicated as 10, which is adapted, as will be described hereinafter in detail, to transform a biogenic/biomass fuel into a synthesis gas (syngas), and subsequently transform the synthesis gas into a liquid biofuel.
The gasification system 10 comprises a gasifier 12 which may be of any suitable form, for example a direct current, counter current or cross flow gasifier. The gasifier 12 comprises an inlet 14 via which biogenic fuel is fed into the gasifier 12 for gasification. The gasifier 12 further comprises an outlet 16 from which the synthesis gas is extracted. An ash pit 18 is located beneath the gasifier 12 and into which the carbon containing slag produced during gasification is deposited. In use oxygen is introduced into the gasifier 12 via a ring shaped tuyer 20.
On exiting the gasifier 12 the syngas is passed, via a compressor, through a processing unit comprising a dust filter (not shown) and coolers 22 to reduce the temperature of the syngas. The processing unit may also comprise aerosol deposition means (not shown) adapted to inject water vapour into the gas stream in order to alter the moisture content thereof, which is required for the water gas shift reaction.
From the coolers 22 the syngas enters a Fischer-Tropsch reactor 24 that is adapted, as will be described in detail hereinafter, to convert the syngas into a liquid biofuel, which preferably has a boiling point in the range of a gasoline/diesel fraction.
The gasification method of the present invention is designed to allow relatively low value materials to be used as the fuel for the gasifier 12. Suitable types of fuel include rubber, for example rubber chips produced from used car tyres, wood chips or other plant matter, sewage sludge, residues from anerobic digestion of biomass, or other suitable biogenic material. The percentage of each of the constituents may be varied to suit the particular operating parameters of the gasification system 10, and the constituent streams of fuel may be fed individually into the gasifier 12 via the inlet 14, or may be pre-processed to form, for example, pelletised or briquette type units of fuel. The fuel constituents can therefore be managed in order to tune the properties of the syngas produced. For example, the calorific value of the rubber constituent can be offset through the addition of other constituents such as sewage sludge or the like, which prevent the gasification process from overheating.
Depending on the composition of the fuel fed to the gasifier 12, the syngas produced may not contain enough hydrogen gas to meet the requirements of the Fischer-Tropsch synthesis. In this case hydrogen may be produced through a process known as “water-gas shift reaction of carbon monoxide and water. Through this process it is possible to adjust the hydrogen content of the syngas, depending on the desired product spectrum after Fischer-Tropsch synthesis.
In the water gas shift reaction the reforming catalyst is preferably a low temperature reforming catalyser Cu/Zn/AI2031 whereby CU is preferably 28% by weight, ZN is 80% by weight and AI203 is 20% to 80% by weight. The catalyst may be prepared by participation from its acidic nitrate solution with ammonia water (1 molar up to 10 molar), or by impregnation or pre-precipitated Al-hydroxide, which is dried and decalcified at 550°C.
The processed syngas is then preferably passed through a compressor in order to increase the gas pressure, preferably to 10 bar, in order to effectively carry out the Fischer-Tropsch synthesis. The Fischer-Tropsch process utilises a catalyst which may be based on iron (Fe), cobalt (Co) or ruthenium (Ru). AI203 or silica gel can be used as a carrier. Ti02orMoO3 is also suitable as a carrier material. A typical catalyst composition is 100 Co, 20 silica gel.
As a chemical promoter alkali in small portions to 10 parts by weight relative to 100 Co can be added. The catalyst can be prepared by precipitation with a solution from K2CO3. The filter cake has then to be washed until it is substantially free of potassium. Drying and calcination at temperatures up to 550°C is preferred. For the impact of syngas, the catalyst must be completely reduced (H2 at temperatures from 200°C to 500°C). For the synthesis of carbon materials with primary FischerTropsch product character it is also possible to include the catalytically active components, Co, Fe, etc. in a matrix of structural promoters (e.g. titanium oxide and others up to 90% of TiO2).
Furthermore, the synthesis of carbon materials with primary Fischer-Tropsch product nature of the catalytically active components, Co, Fe, etc. in a matrix of structural promoters, such a titanium oxide, and others are involved. This enables a wide variability of the product range.
Example
The fuel fed to the gasifier 12 was a combination of wood chip and rubber parts (tire chips). The syngas produced has the following composition:
Carbon monoxide (CO) 25 Vol -%
Hydrogen (H2) 6 Vol-%
Carbon dioxide (CO2) 12 Vol -%
Methane (CH4) 3 Vol -%
Nitrogen (N2) 54 Vol -%
For the Fischer-Tropsch synthesis (F.T. synthesis, see below the main reaction) the hydrogen content is too low.
Main reaction F.T, Synthesis
Equation 1: n CO + 2n H2 —► (CH2) n + nH2O exothermic reaction (CH2)n represents the desired hydrocarbons in the gasoline/diesel fraction. The reaction temperature of F.T. synthesis is in the region of approximately 250°C, with a space velocity of 250 IZh (space velocity is the ratio of gas volume flow of synthesis gas in liters per hour by catalyst volume in liters). For the desired F.T. reaction the hydrogen content in the syngas from the gasifier 12 is too low. The ratio H2/CO is not, as required 1.7 to 2, but only 6 vol -%/25 vol -% = 0.24
Due to the low yield of hydrogen from the gasifier 12, a water gas shift reactor (not shown) is installed downstream of the gasifier 12, which produces hydrogen from CO with help of a special catalyst.
Water gas shift reaction
Equation 2: CO + H2O -+ CO2 + H2
The necessary water is fed into the water gas shift reactor via a suitable pump (not shown).
The low temperature water gas shift reaction is operated at a temperature of between 250 °C to 400 °C. At higher temperature a back reaction may occur. Depending on the actual temperature, a further reaction, the formation of methane, is also possible. This reaction (methane formation) is highly exothermic and the temperature rises in the reactor. This effect is further enhanced by increasing the reaction pressure.
Methane formation
Equation 3: CO + 3H2 —» CH4 + H2O exothermic reaction
From the gasifier 12 the syngas is transferred into the FT reactor (not shown), preferably after being compressed up to 10 bar.
Both the water gas shift reactor and FT reactor of the system 10 were, after a reduction of catalysts at 400°C, cooled back down to 280°C. The F.T. synthesis was then performed following the fine tuning of the synthesis gas (synthesis gas 40 l/min equal to 2.4 m3/ h, corresponding to a space velocity of about 456 l/h, synthesis gas pressure 3.5 bar). Within minutes after the first synthesis gas feeding the temperature rises in the reactor up to 446°C. To capture the temperature the gas flow is raised up to 85 liters/min equal to 5.1 m3/h by constant pressure of 3,5 bar. Nevertheless, the temperature quickly increased in the water gas shift reactor up to 807°C. Increasing the system pressure to 5 bar and 7 bar led to further increases in temperature to 825°C. The temperature in the
F.T. reactor rose to 336°C. Subsequently, the heating of the water gas shift reactor to avoid damage to shut down. The heating of the F.T. Reactor was set to 330 ° C with the aim of carrying out the synthesis only in the F.T. reactor.
Analysis of Results
Total investment of synthesis gas by this first F-T trial was performed approximately 9.35 m3, equivalent to a hydrogen content of 561 litres or 25 mole (on the assumption of 6 vol -% hydrogen in the syngas). 150g water could be produced, if there were 100% turnover based on equation 3 above.
If the F.T. is based on the reaction of Equation 1 above, a maximum of 225g water is formed. This is consistent with the specific amount of water. However, a certain amount of hydrogen is about the product water from the gasification of wood to it (estimated at 25°C gas temperature is approximately 30g/m3, about 350 litres or 16 moles H2 by the water gas shift reaction (Equation 2). This leads to the conclusion that the available hydrogen completely converted through different reactions to preferred methane and C2 to C8 hydrocarbons. The main part is clearly methane, in particular since the pure FT synthesis with the previously short duration of the FT catalyst preferably forms methane (known under “Initial Selectivity of the Fischer-Tropsch-Synthesis).
Claims (9)
1. A gasification method for producing a liquid biofuel, the method comprising the steps of; pre-processing a biogenic fuel by combining rubber and/or sewage sludge and/or wood and/or biomass digestion residue and/or municipal waste and/or other biomass material to adjust the calorific value of the biogenic fuel; feeding the biogenic fuel to a gasifier; effecting gasification of the biogenic fuel to produce a synthetic gas; processing the synthetic gas by water gas shift reaction using a reforming catalyst to alter the hydrogen content of the synthetic gas; and effecting the Fischer-Tropsch processing of the synthetic gas to produce a liquid biofuel.
2. A gasification method according to claim 1 comprising the step of pre-processing the biogenic fuel, prior to the step of feeding the fuel to the gasifier, to adjust the calorific value of the biogenic fuel.
3. A gasification method according to claim 2 in which the step of pre-processing the fuel comprises combining various biogenic materials to form the biogenic fuel having the desired calorific value.
4. A gasification method according to claim 2 or 3 in which the step of pre-processing the fuel comprises combining rubber and/or sewage sludge and/or wood and/or biomass digestion residue and/or municipal waste and/or other biomass material.
5. A gasification method according to any preceding claim comprising, prior to Fischer-Tropsch processing, the step of processing the synthetic gas by water gas shift reaction to alter the hydrogen content of the synthetic gas.
6. A gasification method according to any preceding claim comprising passing the synthetic gas through a dust filter prior to Fischer-Tropsch processing.
7. A gasification method according to any preceding claim comprising the step of cooling the synthetic gas prior to Fischer-Tropsch processing.
8. A gasification method according to any preceding claim comprising the aerosol deposition of water into the synthetic gas prior to Fischer-Tropsch processing.
9. A gasification method according to any preceding claim comprising elevating the pressure of the synthetic gas prior to Fischer-Tropsch processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IE20140243A IE86666B1 (en) | 2013-12-11 | 2014-09-23 | A gasification system and method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IES20130373 | 2013-12-11 | ||
| IE20140243A IE86666B1 (en) | 2013-12-11 | 2014-09-23 | A gasification system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE20140243A1 IE20140243A1 (en) | 2015-06-17 |
| IE86666B1 true IE86666B1 (en) | 2016-06-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE20140243A IE86666B1 (en) | 2013-12-11 | 2014-09-23 | A gasification system and method |
Country Status (1)
| Country | Link |
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| IE (1) | IE86666B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019029599A1 (en) * | 2017-08-11 | 2019-02-14 | 武汉丰盈长江生态科技研究总院有限公司 | Mobile platform-based micro biomass synthetic oil method and system |
-
2014
- 2014-09-23 IE IE20140243A patent/IE86666B1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019029599A1 (en) * | 2017-08-11 | 2019-02-14 | 武汉丰盈长江生态科技研究总院有限公司 | Mobile platform-based micro biomass synthetic oil method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| IE20140243A1 (en) | 2015-06-17 |
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