ZA917523B - Process of concentrating dilute sulfuric acid in a three-stage forced-circulation vacuum evaporation plant using forced circulation. - Google Patents

Process of concentrating dilute sulfuric acid in a three-stage forced-circulation vacuum evaporation plant using forced circulation.

Info

Publication number
ZA917523B
ZA917523B ZA917523A ZA917523A ZA917523B ZA 917523 B ZA917523 B ZA 917523B ZA 917523 A ZA917523 A ZA 917523A ZA 917523 A ZA917523 A ZA 917523A ZA 917523 B ZA917523 B ZA 917523B
Authority
ZA
South Africa
Prior art keywords
forced
circulation
sulfuric acid
vacuum evaporation
dilute sulfuric
Prior art date
Application number
ZA917523A
Other languages
English (en)
Inventor
Hartmut Wagner
Volker Wichert
Roland Fach
Klaus Engels
Gunter Okon
Original Assignee
Metallgesellschaft Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6414582&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA917523(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Metallgesellschaft Ag filed Critical Metallgesellschaft Ag
Publication of ZA917523B publication Critical patent/ZA917523B/xx

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/26—Multiple-effect evaporating
    • 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
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/01—Waste acid containing iron
    • Y10S423/02—Sulfuric acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
ZA917523A 1990-09-20 1991-09-20 Process of concentrating dilute sulfuric acid in a three-stage forced-circulation vacuum evaporation plant using forced circulation. ZA917523B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4029737A DE4029737C1 (ja) 1990-09-20 1990-09-20

Publications (1)

Publication Number Publication Date
ZA917523B true ZA917523B (en) 1993-03-22

Family

ID=6414582

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA917523A ZA917523B (en) 1990-09-20 1991-09-20 Process of concentrating dilute sulfuric acid in a three-stage forced-circulation vacuum evaporation plant using forced circulation.

Country Status (15)

Country Link
US (1) US5228885A (ja)
EP (1) EP0476744B1 (ja)
JP (1) JPH04260603A (ja)
KR (1) KR100210222B1 (ja)
AU (1) AU631753B2 (ja)
BR (1) BR9104024A (ja)
CZ (1) CZ280570B6 (ja)
DE (2) DE4029737C1 (ja)
ES (1) ES2071200T3 (ja)
FI (1) FI100716B (ja)
MY (1) MY107437A (ja)
NO (1) NO177925C (ja)
PL (1) PL166340B1 (ja)
YU (1) YU151791A (ja)
ZA (1) ZA917523B (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5603839A (en) * 1995-09-18 1997-02-18 Cecebe Technologies Inc. Process for the recovery of waste sulphuric acid
EA199900838A1 (ru) * 1997-03-31 2000-04-24 Ватерворкс Интернешнл, Инк. Способ очистки серной кислоты
DE19741511A1 (de) * 1997-09-20 1999-04-01 Metallgesellschaft Ag Verfahren zur Aufkonzentrierung von Dünnsäure durch Ausnutzung von Prozeßwärme in einer Zwangsumlaufverdampferanlage
GB9816464D0 (en) * 1998-07-30 1998-09-23 Tioxide Group Services Ltd Process for the concentration of dilute sulphuric acid solutions
DE19920695A1 (de) * 1999-05-05 2000-11-16 Metallgesellschaft Ag Verfahren zur Aufkonzentrierung von Dünnsäure
DE60010311T2 (de) 1999-09-28 2005-05-12 Otsuka Pharmaceutical Factory, Inc., Naruto Triazolpurin-derivate, medikamentzusammensetzungen, die diese enthalten und mittel, die affinität zum adenosin a3 rezeptor zeigen
DE10024457A1 (de) * 2000-05-18 2001-11-29 Sachtleben Chemie Gmbh Verfahren zur Konzentration des Schwefelsäure-Gehalts von bei der Produktion von Titandioxid anfallender Dünnsäure
DE10102103A1 (de) 2001-01-18 2002-09-12 Sachtleben Chemie Gmbh Dichtungsbalgsystem für rotierende Wellen
DE10102104A1 (de) 2001-01-18 2002-07-25 Sachtleben Chemie Gmbh Laufradsystem für Pumpen
CA2728504C (en) † 2008-06-19 2017-08-29 Nobuyoshi Takahashi Processing method for recovering iron oxide and hydrochloric acid
JP6001328B2 (ja) * 2012-05-23 2016-10-05 パンパシフィック・カッパー株式会社 硫酸酸性液の濃縮装置、硫酸酸性液の濃縮方法及び粗硫酸ニッケルの回収方法
CN105566170B (zh) * 2016-01-22 2017-07-11 绍兴文理学院 一种稀硫酸回收利用方法
CN106984057A (zh) * 2017-05-26 2017-07-28 江苏嘉泰蒸发设备股份有限公司 一种具有多效蒸发单元的强制循环蒸发结晶装置
CN107715484B (zh) * 2017-11-29 2023-06-02 白银昌元化工有限公司 高锰酸钾三效强制循环蒸发系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2078088A (en) * 1935-11-22 1937-04-20 Mantius Process of recovering sulphuric acid from sulphuric acid solutions of sulphates
US2993757A (en) * 1958-07-07 1961-07-25 Crucible Steel Co America Process for recovering acid values from mixed acid waste
DE2909029C2 (de) * 1979-03-08 1990-05-31 Schott Glaswerke, 6500 Mainz Verfahren zum Konzentrieren und Reinigen von Schwefelsäure
EP0022181B1 (de) * 1979-06-13 1983-10-12 Bayer Ag Verfahren und Vorrichtung zum Regenerieren von Schwefelsäure
DE3327769A1 (de) * 1983-08-02 1985-02-14 Bayer Ag, 5090 Leverkusen Verfahren zur aufarbeitung von duennsaeuren
DE3632623A1 (de) * 1986-09-25 1988-03-31 Bayer Ag Verfahren zum aufkonzentrieren von schwefelsaeure
DE3927751A1 (de) * 1989-08-23 1991-02-28 Bayer Ag Verfahren zum konzentrieren metallsulfathaltiger schwefelsaeure

Also Published As

Publication number Publication date
CZ280570B6 (cs) 1996-02-14
NO177925B (no) 1995-09-11
FI100716B (fi) 1998-02-13
DE59105102D1 (de) 1995-05-11
NO913695L (no) 1992-03-23
ES2071200T3 (es) 1995-06-16
BR9104024A (pt) 1992-06-02
KR100210222B1 (ko) 1999-07-15
AU631753B2 (en) 1992-12-03
JPH04260603A (ja) 1992-09-16
EP0476744A1 (de) 1992-03-25
MY107437A (en) 1995-12-30
EP0476744B1 (de) 1995-04-05
US5228885A (en) 1993-07-20
PL291764A1 (en) 1992-04-21
CS285191A3 (en) 1992-04-15
YU151791A (sh) 1994-06-24
PL166340B1 (pl) 1995-05-31
FI914406A (fi) 1992-03-21
NO177925C (no) 1995-12-20
NO913695D0 (no) 1991-09-19
AU8457691A (en) 1992-03-26
KR920006226A (ko) 1992-04-27
DE4029737C1 (ja) 1991-12-05
FI914406A0 (fi) 1991-09-19

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