NO990115L - Minimalisering av fordampingsskalldannelse og gjenvinning av salter under gassdannelse - Google Patents

Minimalisering av fordampingsskalldannelse og gjenvinning av salter under gassdannelse

Info

Publication number
NO990115L
NO990115L NO990115A NO990115A NO990115L NO 990115 L NO990115 L NO 990115L NO 990115 A NO990115 A NO 990115A NO 990115 A NO990115 A NO 990115A NO 990115 L NO990115 L NO 990115L
Authority
NO
Norway
Prior art keywords
formation
recovery
minimization
evaporation
bark
Prior art date
Application number
NO990115A
Other languages
English (en)
Other versions
NO323520B1 (no
NO990115D0 (no
Inventor
George Henry Webster
Byron Von Klock
Donh-Cuong Vuong
John Saunders Stevenson
Steven Robert Johnson
Original Assignee
Texaco Development Corp
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 Texaco Development Corp filed Critical Texaco Development Corp
Publication of NO990115L publication Critical patent/NO990115L/no
Publication of NO990115D0 publication Critical patent/NO990115D0/no
Publication of NO323520B1 publication Critical patent/NO323520B1/no

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/16—Halides of ammonium
    • C01C1/164—Ammonium chloride
    • 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; Reversible storage of hydrogen
    • C01B3/50—Separation of hydrogen or hydrogen-containing gases from gaseous mixtures, e.g. purification
    • C01B3/52—Separation of hydrogen or hydrogen-containing gases from gaseous mixtures, e.g. purification by contacting with liquids; Regeneration of used liquids
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/042—Prevention of deposits
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/46—Gasification of granular or pulverulent flues in suspension
    • C10J3/466—Entrained flow processes
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C10J3/82—Gas withdrawal means
    • C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/002—Removal of contaminants
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
    • C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
    • C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
    • C10K1/101—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids with water only
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0415—Purification by absorption in liquids
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0465—Composition of the impurity
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0465—Composition of the impurity
    • C01B2203/0485—Composition of the impurity the impurity being a sulfur compound
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0465—Composition of the impurity
    • C01B2203/0495—Composition of the impurity the impurity being water
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913—Carbonaceous raw material
    • C10J2300/0926—Slurries comprising bio-oil or bio-coke, i.e. charcoal, obtained, e.g. by fast pyrolysis of biomass
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913—Carbonaceous raw material
    • C10J2300/093—Coal
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/16—Integration of gasification processes with another plant or parts within the plant
    • C10J2300/169—Integration of gasification processes with another plant or parts within the plant with water treatments
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
    • C10J2300/1807—Recycle loops, e.g. gas, solids, heating medium, water
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
    • C10J2300/1846—Partial oxidation, i.e. injection of air or oxygen only
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00—Concentrating evaporators
    • Y10S159/13—Scale

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Removal Of Specific Substances (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
NO19990115A 1996-07-17 1999-01-12 Fremgangsmate for minimalisering av fordampingsskalldannelse og gjenvinning av salter under gassdannelse. NO323520B1 (no)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US2189296P 1996-07-17 1996-07-17
US1688296P 1996-07-17 1996-07-17
US08/890,356 US6086722A (en) 1996-07-17 1997-07-09 Minimizing evaporator scaling and recovery of salts during gasification
PCT/US1997/012475 WO1998002505A1 (en) 1996-07-17 1997-07-14 Minimizing evaporator scaling and recovery of salts during gasification

Publications (3)

Publication Number Publication Date
NO990115L true NO990115L (no) 1999-01-12
NO990115D0 NO990115D0 (no) 1999-01-12
NO323520B1 NO323520B1 (no) 2007-06-04

Family

ID=27360665

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19990115A NO323520B1 (no) 1996-07-17 1999-01-12 Fremgangsmate for minimalisering av fordampingsskalldannelse og gjenvinning av salter under gassdannelse.

Country Status (14)

Country Link
US (1) US6086722A (no)
EP (1) EP0958333B1 (no)
JP (1) JP3404705B2 (no)
KR (1) KR100287595B1 (no)
CN (1) CN1137970C (no)
AT (1) ATE249509T1 (no)
AU (1) AU710505B2 (no)
CA (1) CA2260205C (no)
CZ (1) CZ14799A3 (no)
DE (1) DE69724825T2 (no)
ES (1) ES2207749T3 (no)
NO (1) NO323520B1 (no)
PL (1) PL185956B1 (no)
WO (1) WO1998002505A1 (no)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1295226B1 (it) * 1997-10-14 1999-05-04 Magneti Marelli Spa Impianto per la produzione di manufatti pressocolati o stampati ad iniezione impiegando anime in sale.
JP5192617B2 (ja) * 1997-12-22 2013-05-08 ダウ グローバル テクノロジーズ エルエルシー 価値の低いハロゲン化物質からの1種以上の有効な製品の製造
US6620620B1 (en) * 1998-04-27 2003-09-16 Era Systems, Inc. Micro liquid evaporator
JP4212735B2 (ja) * 1999-10-13 2009-01-21 株式会社小森コーポレーション ワイピング液処理方法およびその装置
JP2004532105A (ja) * 2001-04-06 2004-10-21 テキサコ ディベラップメント コーポレイション 廃水再循環ループのガス化装置との使用
US6607671B2 (en) 2001-08-15 2003-08-19 Texaco Inc. Reactor and solids settler for grey water treatment
US7220502B2 (en) * 2002-06-27 2007-05-22 Intellergy Corporation Process and system for converting carbonaceous feedstocks into energy without greenhouse gas emissions
GB2400808B (en) * 2003-04-23 2006-07-12 Emt Res Asa Method for flow improvement and reduction of fouling in process equipment
EP2030671A1 (de) * 2007-08-25 2009-03-04 Kopf Klärschlammverwertungs-GmbH & Co. KG Verfahren und Anlage zur Reinigung von Gas
US20090188867A1 (en) * 2008-01-30 2009-07-30 Dinh-Cuong Vuong Methods and systems for processing waste water
WO2010014462A1 (en) * 2008-07-28 2010-02-04 Katana Energy Llc Zero discharge waste water system for gasification plants
US20100089740A1 (en) * 2008-10-15 2010-04-15 Dinh-Cuong Vuong Method and systems for processing waste water using zero process water discharge
DE102008059488B3 (de) * 2008-11-28 2010-09-16 Siemens Aktiengesellschaft Einsatz von Prozesskondensaten zur Substitution von deionisiertem Wasser bei der Vergasung mit Vollquench
US8491680B2 (en) 2010-05-25 2013-07-23 Veolia Water Solutions & Technologies North America, Inc. Gasification process
DE102010026676B4 (de) * 2010-07-09 2016-06-09 Siemens Aktiengesellschaft Aufbereitung von Prozesswässern der Flugstromvergasung
US8512446B2 (en) 2010-07-22 2013-08-20 General Electric Company High pressure conveyance gas selection and method of producing the gas
CN102139983A (zh) * 2011-02-16 2011-08-03 神华集团有限责任公司 一种废水处理方法及系统
US8727325B2 (en) * 2011-05-24 2014-05-20 Saltworks Technologies Inc. Method, apparatus and system for concentrating solutions using evaporation
US9388980B2 (en) 2011-12-15 2016-07-12 Kellogg Brown + Root LLC Systems and methods for gasifying a hydrocarbon feedstock
US9381446B2 (en) 2012-01-18 2016-07-05 General Electric Company System for deaeration in a flash vessel
US20130312946A1 (en) 2012-05-24 2013-11-28 Kellogg Brown & Root Llc Methods and Systems for Cooling Hot Particulates
CA2827933C (en) 2012-09-25 2018-09-18 Xiaomei Li Method and apparatus for recovering solids from water-based effluent
DE102013104828A1 (de) 2013-05-10 2014-11-13 Krones Ag Vorrichtung und Verfahren zur Behandlung von Kondensat aus Vergasungsanlagen
GB2519129A (en) * 2013-10-10 2015-04-15 Ide Technologies Ltd Pumping Apparatus
CN104860460A (zh) * 2014-12-05 2015-08-26 浙江龙盛集团股份有限公司 一种苯胺类中间体生产废水的处理装置
WO2016094612A1 (en) * 2014-12-12 2016-06-16 General Electric Company Gasification system with water treatment and reuse
CN106145490A (zh) * 2015-05-12 2016-11-23 刘风鸣 一种环氧丙烷氯化钙皂化废水处理资源化方法
US10345058B1 (en) 2015-11-18 2019-07-09 Gradiant Corporation Scale removal in humidification-dehumidification systems
CN107098525A (zh) * 2016-02-19 2017-08-29 通用电气神华气化技术有限公司 黑水耦合处理装置及方法
US10513445B2 (en) 2016-05-20 2019-12-24 Gradiant Corporation Control system and method for multiple parallel desalination systems
US10961126B2 (en) * 2017-08-03 2021-03-30 Veolia Water Technologies, Inc. Process for reducing fouling in evaporators in lithium hydroxide recovery
CN109437330A (zh) * 2018-12-29 2019-03-08 广州市迈源科技有限公司 一种氯化钴溶液处理系统及氯化钴溶液处理方法
CN112093810B (zh) * 2020-09-24 2023-05-12 宿迁润地环保科技有限公司 一种钽铌湿法冶炼中碱性废水回收制备氟化铵方法
EP4405304B1 (en) 2021-09-24 2026-02-11 Bechtel Energy Technologies & Solutions, Inc. Low energy ejector desalination system
EP4155260A1 (en) * 2021-09-28 2023-03-29 Aquafair AB A hydrogen generation system and a method for generating hydrogen

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3401094A (en) * 1966-04-21 1968-09-10 Westinghouse Electric Corp Water conversion process and apparatus
US3790448A (en) * 1971-03-03 1974-02-05 United States Steel Corp Method of purifying waste fluid
US4188195A (en) * 1977-09-16 1980-02-12 Richard Jablin Treatment of waste liquor
US4211646A (en) * 1977-10-31 1980-07-08 Texaco Inc. Waste water process
US4170550A (en) * 1978-03-30 1979-10-09 Koppers Company, Inc. Process for reducing aqueous effluents containing environmentally unacceptable compounds from a process for gasifying carbonaceous materials
DE3043329C2 (de) 1980-11-17 1986-12-18 Carl Still Gmbh & Co Kg, 4350 Recklinghausen Verfahren und Anlage zum Kühlen und Abscheiden von Chloriden und Fluoriden aus Gasgemischen
US4323430A (en) * 1981-03-16 1982-04-06 United States Steel Corporation Process for separating ammonia and acid gases from streams containing fixed ammonia salts
US4468376A (en) * 1982-05-03 1984-08-28 Texaco Development Corporation Disposal process for halogenated organic material
US4702798A (en) * 1984-12-19 1987-10-27 Hanover Research Corporation Process for recovering dry solids from aqueous solids mixtures
DE3724947A1 (de) * 1987-07-28 1989-02-16 Uhde Gmbh Verfahren und vorrichtung zum kuehlen von rohgas aus einer partiellen oxidation von kohlenstoffhaltigem material
DE4406460C2 (de) * 1994-02-28 2001-05-31 Linde Ag Verfahren zur Reinigung eines Vergasungsgases aus der Vergasung von Abfall- und Reststoffen
US5783084A (en) * 1997-05-01 1998-07-21 Suenkonis; Charles M. Process for the reclamation of process water from process wastewater generated in the battery manufacturing industry and other metals related industries

Also Published As

Publication number Publication date
NO323520B1 (no) 2007-06-04
JP3404705B2 (ja) 2003-05-12
PL331184A1 (en) 1999-06-21
CN1137970C (zh) 2004-02-11
AU4040797A (en) 1998-02-09
JP2001508816A (ja) 2001-07-03
CZ14799A3 (cs) 1999-06-16
DE69724825T2 (de) 2004-04-08
CA2260205C (en) 2002-06-04
CN1225664A (zh) 1999-08-11
EP0958333B1 (en) 2003-09-10
DE69724825D1 (de) 2003-10-16
AU710505B2 (en) 1999-09-23
ES2207749T3 (es) 2004-06-01
CA2260205A1 (en) 1998-01-22
WO1998002505A1 (en) 1998-01-22
EP0958333A4 (en) 2000-02-23
KR20000023806A (ko) 2000-04-25
ATE249509T1 (de) 2003-09-15
PL185956B1 (pl) 2003-09-30
EP0958333A1 (en) 1999-11-24
US6086722A (en) 2000-07-11
NO990115D0 (no) 1999-01-12
KR100287595B1 (ko) 2001-04-16

Similar Documents

Publication Publication Date Title
NO990115D0 (no) Minimalisering av fordampingsskalldannelse og gjenvinning av salter under gassdannelse
HK81393A (en) Marine antifoulant treatment
IN157071B (no)
US5116507A (en) Treatment for reducing impurities in aqueous liquor
CA1163951A (en) Process for removing acid gases and ammonia from an aqueous solution
DE68914090D1 (de) Verfahren zur Erzeugung von Chlordioxid.
US5006249A (en) Anaerobic waste water treating process
KR960000849A (ko) 디메틸 카르보네이트 합성공정에서 응축상의 반응유출물로부터 산과 염 불순물을 제거하는 방법
JPS5673599A (en) Methane fermentation method
RU2117002C1 (ru) Способ получения карбамида
ES431800A1 (es) Procedimiento para la obtencion de anhidrido de acido ma- leico.
EP0136032A3 (en) Treatment of effluent liquors
US4384924A (en) Method of separating acids and bases which have been carried along in the vapors formed during distillation
JPS5352274A (en) Treating method for aqueous solution containing urea, ammonia and carbondioxide
FR2405088A1 (fr) Procede pour desoxygener les gaz et l'eau
US6123852A (en) Method for the adsorptive extraction of hydrocarbons from aqueous solutions of hydrocyanic acid
NO914886L (no) Chymosinutvinning og -rensing
SU1713627A1 (ru) Способ очистки газов от фенола и формальдегида
FR2376079A1 (fr) Procede de controle de la formation de tartre dur a partir de l'eau de mer
SU1139700A1 (ru) Способ получени брома
KR840004398A (ko) 염화암모늄으로 부터 암모니아를 회수하는 방법
RU97106330A (ru) Способ получения 3,4-дигидрокси-5-нитробензальдегида
SU1409587A1 (ru) Способ очистки сточных вод от органических соединений озонированием
SE9303645D0 (sv) Sätt att rena avloppsvatten
JPS5517338A (en) Recovery of thiourea dioxide

Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees