AU4543900A - Method for concentrating dilute acid - Google Patents

Method for concentrating dilute acid

Info

Publication number
AU4543900A
AU4543900A AU45439/00A AU4543900A AU4543900A AU 4543900 A AU4543900 A AU 4543900A AU 45439/00 A AU45439/00 A AU 45439/00A AU 4543900 A AU4543900 A AU 4543900A AU 4543900 A AU4543900 A AU 4543900A
Authority
AU
Australia
Prior art keywords
dilute acid
concentrating dilute
concentrating
acid
dilute
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU45439/00A
Inventor
Klaus Engels
Roland Fach
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Venator Germany GmbH
Original Assignee
Sachtleben Chemie GmbH
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 Sachtleben Chemie GmbH filed Critical Sachtleben Chemie GmbH
Publication of AU4543900A publication Critical patent/AU4543900A/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/88—Concentration of sulfuric acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
AU45439/00A 1999-05-05 2000-04-06 Method for concentrating dilute acid Abandoned AU4543900A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19920695 1999-05-05
DE19920695A DE19920695A1 (en) 1999-05-05 1999-05-05 Process for concentrating thin acid
PCT/EP2000/003062 WO2000068141A1 (en) 1999-05-05 2000-04-06 Method for concentrating dilute acid

Publications (1)

Publication Number Publication Date
AU4543900A true AU4543900A (en) 2000-11-21

Family

ID=7907066

Family Applications (1)

Application Number Title Priority Date Filing Date
AU45439/00A Abandoned AU4543900A (en) 1999-05-05 2000-04-06 Method for concentrating dilute acid

Country Status (5)

Country Link
EP (1) EP1189837B1 (en)
AU (1) AU4543900A (en)
DE (2) DE19920695A1 (en)
ES (1) ES2203462T3 (en)
WO (1) WO2000068141A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2229842B1 (en) * 2002-05-18 2006-06-01 Gines Sanchez Gomez CONTINUOUS DOSAGE SYSTEM AND PRESSURE COMPENSATION FOR CHEMICAL OR PHYSICAL-CHEMICAL REACTIONS DISPLACED BY PRESSURE.
CN104162285B (en) * 2014-07-31 2015-09-02 河南中原黄金冶炼厂有限责任公司 Multiple-effect rotation vapo(u)rization system
CN104759108B (en) * 2015-03-23 2016-05-04 河北乐恒化工设备制造有限公司 Three grades of continuous falling liquid film circulating and evaporating concentration systems with function of mechanical steam recompression
CN105854325A (en) * 2016-05-27 2016-08-17 苏州乔发环保科技股份有限公司 Triple-effect central cyclic evaporating system and evaporating technology thereof
CN106512459A (en) * 2016-12-16 2017-03-22 江西中医药大学 Concentrator based on vapor thermal gain technology
CN112439219A (en) * 2019-09-05 2021-03-05 中石油吉林化工工程有限公司 Four-effect evaporator for preparing acrylonitrile
CN111773749B (en) * 2020-07-13 2022-02-01 青岛海湾精细化工有限公司 Vacuum concentration system for dilute sulfuric acid
DE102020131827A1 (en) 2020-12-01 2022-06-02 Andreas Wilk Device and method for concentrating corrosive liquids

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4409064A (en) * 1978-10-16 1983-10-11 Air Products And Chemicals, Inc. Process for concentrating sulfuric acid in an evaporator
EP0022181B1 (en) * 1979-06-13 1983-10-12 Bayer Ag Process and apparatus for regenerating sulfuric acid
DE3738572A1 (en) * 1987-11-10 1989-05-18 Mannesmann Ag Multistage evaporator system
DE3922105A1 (en) * 1989-07-05 1991-01-17 Bayer Ag METHOD AND DEVICE FOR CONCENTRATING SULFURIC ACID CONTAINING METAL SULFATE
DE3927751A1 (en) * 1989-08-23 1991-02-28 Bayer Ag METHOD FOR CONCENTRATING SULFURIC ACID CONTAINING METAL SULFATE
DE4029737C1 (en) * 1990-09-20 1991-12-05 Metallgesellschaft Ag, 6000 Frankfurt, De
US5275701A (en) * 1993-03-15 1994-01-04 Air Products And Chemicals, Inc. Process for purification and concentration of sulfuric acid
DE19642328A1 (en) * 1996-10-14 1998-04-16 Bayer Ag Process for the concentration of used sulfuric acids
DE19741511A1 (en) * 1997-09-20 1999-04-01 Metallgesellschaft Ag Process for concentrating thin acid by utilizing process heat in a forced circulation evaporator system

Also Published As

Publication number Publication date
WO2000068141A1 (en) 2000-11-16
DE19920695A1 (en) 2000-11-16
EP1189837B1 (en) 2003-07-09
ES2203462T3 (en) 2004-04-16
EP1189837A1 (en) 2002-03-27
DE50002849D1 (en) 2003-08-14

Similar Documents

Publication Publication Date Title
AU1854901A (en) Novel method
AU5707000A (en) Process for producing l-amino acid
AU2001233034A1 (en) Method for preparing alpha-sulfonyl hydroxamic acid derivatives
AU3046200A (en) Method for preparing formic acid
AU5707300A (en) Process for producing l-amino acid
AU3194200A (en) Process for producing l-lysine
AU2001227086A1 (en) Process for preparing 2-hydroxy-4-methylthiobutanoic acid
AU2324000A (en) Process for producing 2-hydroxy-4-methyl-thiobutanoic acid
AU1268400A (en) Isothiazolecarboxylic acid derivatives
AU4543900A (en) Method for concentrating dilute acid
HK1047739A1 (en) Process for phenylacetic acid derivatives
AU1303201A (en) Alkoxyiminoalkanoic acid derivatives
AU2233001A (en) Preparation method of methacrylic acid
AU3196200A (en) Beta-amino acid derivatives
AU5571100A (en) Process for producing l-amino acid
AU5707100A (en) Process for producing l-amino acid
AU7958000A (en) Process for the preparation of oxyiminoalkanoic acid derivatives
AU6484599A (en) An improved process for the preparation of 7-azaindolyl-3-carboxylic acid
AU2002210547A1 (en) Method for producing acetic acid
AU3843900A (en) Microbiological production method for alpha-l-aspartyl-l-phenylalanine
AU3299900A (en) Method for the production of aliphatic fluoroformates
AU5575998A (en) Process for producing benzylsuccinic acid derivatives
AU2001269501A1 (en) Process for producing 2-hydroxy-4-methylthiobutanoic acid
AU2690600A (en) 2-mercaptocarboxylic acid derivatives
AU5707200A (en) Process for producing l-amino acid

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase