[go: up one dir, main page]

NO20033659L - Process for ethane extraction using a cooling cycle using a mixture of at least two refrigerants, gases produced by said process, and installation thereof. - Google Patents

Process for ethane extraction using a cooling cycle using a mixture of at least two refrigerants, gases produced by said process, and installation thereof.

Info

Publication number
NO20033659L
NO20033659L NO20033659A NO20033659A NO20033659L NO 20033659 L NO20033659 L NO 20033659L NO 20033659 A NO20033659 A NO 20033659A NO 20033659 A NO20033659 A NO 20033659A NO 20033659 L NO20033659 L NO 20033659L
Authority
NO
Norway
Prior art keywords
refrigerants
installation
mixture
cooling cycle
gases produced
Prior art date
Application number
NO20033659A
Other languages
Norwegian (no)
Other versions
NO20033659D0 (en
Inventor
Henri Paradowski
Original Assignee
Technip France
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Technip France filed Critical Technip France
Publication of NO20033659D0 publication Critical patent/NO20033659D0/en
Publication of NO20033659L publication Critical patent/NO20033659L/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
    • F25J3/0238—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of CnHm with 2 carbon atoms or more
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/09—Purification; Separation; Use of additives by fractional condensation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/0204—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the feed stream
    • F25J3/0209—Natural gas or substitute natural gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/0204—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the feed stream
    • F25J3/0219—Refinery gas, cracking gas, coke oven gas, gaseous mixtures containing aliphatic unsaturated CnHm or gaseous mixtures of undefined nature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
    • F25J3/0233—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of CnHm with 1 carbon atom or more
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/02—Processes or apparatus using separation by rectification in a single pressure main column system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/74—Refluxing the column with at least a part of the partially condensed overhead gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2205/00—Processes or apparatus using other separation and/or other processing means
    • F25J2205/02—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum
    • F25J2205/04—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum in the feed line, i.e. upstream of the fractionation step
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2205/00—Processes or apparatus using other separation and/or other processing means
    • F25J2205/82—Processes or apparatus using other separation and/or other processing means using a reactor with combustion or catalytic reaction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2210/00—Processes characterised by the type or other details of the feed stream
    • F25J2210/12—Refinery or petrochemical off-gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2215/00—Processes characterised by the type or other details of the product stream
    • F25J2215/62—Ethane or ethylene
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2270/00—Refrigeration techniques used
    • F25J2270/12—External refrigeration with liquid vaporising loop
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2270/00—Refrigeration techniques used
    • F25J2270/18—External refrigeration with incorporated cascade loop
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2270/00—Refrigeration techniques used
    • F25J2270/66—Closed external refrigeration cycle with multi component refrigerant [MCR], e.g. mixture of hydrocarbons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2270/00—Refrigeration techniques used
    • F25J2270/90—External refrigeration, e.g. conventional closed-loop mechanical refrigeration unit using Freon or NH3, unspecified external refrigeration
    • F25J2270/902—Details about the refrigeration cycle used, e.g. composition of refrigerant, arrangement of compressors or cascade, make up sources, use of reflux exchangers etc.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NO20033659A 2001-02-26 2003-08-19 Process for ethane extraction using a cooling cycle using a mixture of at least two refrigerants, gases produced by said process, and installation thereof. NO20033659L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0102582A FR2821351B1 (en) 2001-02-26 2001-02-26 METHOD FOR RECOVERING ETHANE, IMPLEMENTING A REFRIGERATION CYCLE USING A MIXTURE OF AT LEAST TWO REFRIGERANT FLUIDS, GASES OBTAINED BY THIS PROCESS, AND IMPLEMENTATION INSTALLATION
PCT/FR2002/000419 WO2002068366A1 (en) 2001-02-26 2002-02-04 Method for ethane recovery, using a refrigeration cycle with a mixture of at least two coolants, gases obtained by said method, and installation therefor

Publications (2)

Publication Number Publication Date
NO20033659D0 NO20033659D0 (en) 2003-08-19
NO20033659L true NO20033659L (en) 2003-10-15

Family

ID=8860440

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20033659A NO20033659L (en) 2001-02-26 2003-08-19 Process for ethane extraction using a cooling cycle using a mixture of at least two refrigerants, gases produced by said process, and installation thereof.

Country Status (9)

Country Link
US (1) US20040069015A1 (en)
EP (1) EP1363867A1 (en)
CN (1) CN1509262A (en)
AR (1) AR032835A1 (en)
BR (1) BR0207301A (en)
CA (1) CA2438872A1 (en)
FR (1) FR2821351B1 (en)
NO (1) NO20033659L (en)
WO (1) WO2002068366A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002289444A (en) * 2001-03-23 2002-10-04 Fdk Corp High frequency power inductance element
US7264654B2 (en) * 2003-09-23 2007-09-04 Kalex, Llc Process and system for the condensation of multi-component working fluids
US7082787B2 (en) * 2004-03-09 2006-08-01 Bp Corporation North America Inc. Refrigeration system
US8087248B2 (en) * 2008-10-06 2012-01-03 Kalex, Llc Method and apparatus for the utilization of waste heat from gaseous heat sources carrying substantial quantities of dust
US8695344B2 (en) * 2008-10-27 2014-04-15 Kalex, Llc Systems, methods and apparatuses for converting thermal energy into mechanical and electrical power
US8176738B2 (en) 2008-11-20 2012-05-15 Kalex Llc Method and system for converting waste heat from cement plant into a usable form of energy
CN102893108B (en) * 2009-09-30 2014-12-24 国际壳牌研究有限公司 Method of fractionating a hydrocarbon stream and an apparatus therefor
US8474263B2 (en) 2010-04-21 2013-07-02 Kalex, Llc Heat conversion system simultaneously utilizing two separate heat source stream and method for making and using same
EP2505948B1 (en) * 2011-03-30 2018-10-10 General Electric Technology GmbH Cryogenic CO2 separation using a refrigeration system
US9045697B2 (en) * 2012-03-05 2015-06-02 Uop Llc Distillation column heat pump with compressor inlet superheater
US9040765B2 (en) * 2012-03-29 2015-05-26 Uop Llc Methods and apparatuses for isomerization of paraffins
US8833077B2 (en) 2012-05-18 2014-09-16 Kalex, Llc Systems and methods for low temperature heat sources with relatively high temperature cooling media
US11268756B2 (en) 2017-12-15 2022-03-08 Saudi Arabian Oil Company Process integration for natural gas liquid recovery
CN109028758A (en) * 2018-08-07 2018-12-18 中国石油工程建设有限公司 A kind of natural gas ethane recovery device and method to be freezed using azeotrope
US12092392B2 (en) 2018-10-09 2024-09-17 Chart Energy & Chemicals, Inc. Dehydrogenation separation unit with mixed refrigerant cooling
JP7342117B2 (en) * 2018-10-09 2023-09-11 チャート・エナジー・アンド・ケミカルズ，インコーポレーテッド Dehydrogenation separation equipment with mixed refrigerant cooling

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1135871A (en) * 1965-06-29 1968-12-04 Air Prod & Chem Liquefaction of natural gas
US3970441A (en) * 1973-07-17 1976-07-20 Linde Aktiengesellschaft Cascaded refrigeration cycles for liquefying low-boiling gaseous mixtures
US4203742A (en) * 1978-10-31 1980-05-20 Stone & Webster Engineering Corporation Process for the recovery of ethane and heavier hydrocarbon components from methane-rich gases
FR2545589B1 (en) * 1983-05-06 1985-08-30 Technip Cie METHOD AND APPARATUS FOR COOLING AND LIQUEFACTING AT LEAST ONE GAS WITH LOW BOILING POINT, SUCH AS NATURAL GAS
US4504296A (en) * 1983-07-18 1985-03-12 Air Products And Chemicals, Inc. Double mixed refrigerant liquefaction process for natural gas
US4507133A (en) * 1983-09-29 1985-03-26 Exxon Production Research Co. Process for LPG recovery
US4617039A (en) * 1984-11-19 1986-10-14 Pro-Quip Corporation Separating hydrocarbon gases
US4851020A (en) * 1988-11-21 1989-07-25 Mcdermott International, Inc. Ethane recovery system
FR2681859B1 (en) * 1991-09-30 1994-02-11 Technip Cie Fse Etudes Const NATURAL GAS LIQUEFACTION PROCESS.
US5390499A (en) * 1993-10-27 1995-02-21 Liquid Carbonic Corporation Process to increase natural gas methane content
TW366410B (en) * 1997-06-20 1999-08-11 Exxon Production Research Co Improved cascade refrigeration process for liquefaction of natural gas
US5953935A (en) * 1997-11-04 1999-09-21 Mcdermott Engineers & Constructors (Canada) Ltd. Ethane recovery process
US6244070B1 (en) * 1999-12-03 2001-06-12 Ipsi, L.L.C. Lean reflux process for high recovery of ethane and heavier components
US6311516B1 (en) * 2000-01-27 2001-11-06 Ronald D. Key Process and apparatus for C3 recovery

Also Published As

Publication number Publication date
CN1509262A (en) 2004-06-30
EP1363867A1 (en) 2003-11-26
US20040069015A1 (en) 2004-04-15
BR0207301A (en) 2004-02-10
FR2821351A1 (en) 2002-08-30
CA2438872A1 (en) 2002-09-06
WO2002068366A1 (en) 2002-09-06
AR032835A1 (en) 2003-11-26
NO20033659D0 (en) 2003-08-19
FR2821351B1 (en) 2003-05-16

Similar Documents

Publication Publication Date Title
NO20033659L (en) Process for ethane extraction using a cooling cycle using a mixture of at least two refrigerants, gases produced by said process, and installation thereof.
GB2386716B (en) A method of improving the lookup performance of tree-type knowledge base searches
BR9813292B1 (en) process and apparatus for the production of flue gas, synthesis gas and reduction gas from solid fuels.
BR0314537B1 (en) device to perform a plasma optimized process.
EA200400368A1 (en) NEW DIHYDROPTERIDINONES, METHODS FOR THEIR PRODUCTION AND THEIR USE AS MEDICINES
NO20041056L (en) Tertiary oil recovery combined with a process for gas conversion
BR9812261B1 (en) process for separating a stream of hydrocarbon-containing gases.
PT1487282E (en) METHOD FOR THE PREPARATION OF TOMATO EXTRACTS WITH A HIGH LYCOPENE CONTENT
BR0017078B1 (en) process for producing a gas stream from anaerobically digested organic materials.
ZA200302548B (en) Gas recovery process.
DK0981525T3 (en) (2- (2-Thienyl) -ethylamino) - (2-halophenyl) -acetonitriles as intermediates and process for their preparation
BR9602925A (en) Process for the recovery of volatile organic compounds from an exhaust gas stream
AU2003200017A1 (en) Oxy-fuel combustion process
BR9807196B1 (en) process for recovering hexamethylenediamine (i) from a mixture (ii).
TWI319394B (en) Isothermal process for the dehydrogenation of alkanes
NO20016151L (en) Preparation of substituted piperidin-4-ones
ZA200309761B (en) Process for the recovery of combustible components of a gas stream.
NO20041910D0 (en) Procedure for installing risers, as well as risers
AU2003285652A1 (en) Eaf side wall panel to provide for primary and secondary combustion as well as particel injection at the same time, and operating method therefor
NO20043659L (en) Process for the preparation of alkanes by obtaining other alkanes with methane
AU2003205563A1 (en) Method for producing acrylic acid
BR0213191B1 (en) process for recycling process gas into an electrochemical process.
WO2002024690A3 (en) Efficient process for the preparation of a factor xa inhibitor
BR0210569B1 (en) process for obtaining n-phosphonomethylglycine from an aqueous mixture
BR0108785B1 (en) rivet, method for forming a rivet, method for riveting a self-drilling rivet, fastening tool for a self-drilling rivet.

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application