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

Families Citing this family (15)

* 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
AU6945498A (en) * 1997-03-31 1998-10-22 Waterworks International, Inc. Sulfuric acid purification process
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
CN1207298C (zh) 1999-09-28 2005-06-22 株式会社大塚制药工厂 三唑并嘌呤衍生物、含有该衍生物的药物组合物和腺苷a3受体亲和剂
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
DE10102104A1 (de) 2001-01-18 2002-07-25 Sachtleben Chemie Gmbh Laufradsystem für Pumpen
DE10102103A1 (de) 2001-01-18 2002-09-12 Sachtleben Chemie Gmbh Dichtungsbalgsystem für rotierende Wellen
RU2495827C2 (ru) † 2008-06-19 2013-10-20 Смс Симаг Акциенгезельшафт Способ регенерации оксида железа и хлористоводородной кислоты
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
CN116692939A (zh) * 2023-06-25 2023-09-05 攀钢集团攀枝花钢铁研究院有限公司 一种硫酸法钛白连续水解系统及方法

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
EP0476744B1 (de) 1995-04-05
YU151791A (sh) 1994-06-24
JPH04260603A (ja) 1992-09-16
FI914406A0 (fi) 1991-09-19
PL291764A1 (en) 1992-04-21
NO913695L (no) 1992-03-23
KR920006226A (ko) 1992-04-27
AU631753B2 (en) 1992-12-03
MY107437A (en) 1995-12-30
US5228885A (en) 1993-07-20
CS285191A3 (en) 1992-04-15
AU8457691A (en) 1992-03-26
BR9104024A (pt) 1992-06-02
NO177925C (no) 1995-12-20
DE4029737C1 (enExample) 1991-12-05
PL166340B1 (pl) 1995-05-31
KR100210222B1 (ko) 1999-07-15
FI100716B (fi) 1998-02-13
NO913695D0 (no) 1991-09-19
NO177925B (no) 1995-09-11
CZ280570B6 (cs) 1996-02-14
FI914406A7 (fi) 1992-03-21
ES2071200T3 (es) 1995-06-16
DE59105102D1 (de) 1995-05-11
EP0476744A1 (de) 1992-03-25

Similar Documents

Publication Publication Date Title
AU8457691A (en) Process of concentrating dilute sulfuric acid in a three-stage forced-circulation vacuum evaporation plant using forced circulation
IT1191650B (it) Processo idrometallurgico per un recupero complessivo dei componenti delle batterie acide al piombo esauste
MA20565A1 (fr) Procede de recuperation de chaleur a partir d'acide sulfurique concentre
MX164158B (es) Recuperacion de calor a partir de acido sulfurico concentrado
GB2187744B (en) Process for producing 2, 6-naphthalenedicarboxylic acid
MX9202011A (es) Mejoras en un proceso para la separacion de acido arsenico a partir de una solucion que contiene acido sulfurico.
GB8707986D0 (en) Recovering uranium & hydrofluoric acid from waste liquor
EP0262510A3 (en) Process for concentrating sulphuric acid
NZ222144A (en) Removing urea from alcoholic liquors using acid urease
CS370084A2 (en) Zpusob ziskavani disacharidu z bulev cukrovky a nebo mangoldu
EP0252189A3 (en) Process for producing a grid for use in lead acid batteries
JPS524638A (en) Standing water disposal method, article and facility
FR2585445B1 (fr) Procede de fabrication d'un materiau composite modulaire, materiau realise et piece obtenue a partir dudit materiau
ZW19987A1 (en) Process for concentrating a urea solution and installation for carrying out the process
ES2015100B3 (es) Proceso de produccion del acido 4,4'- dinitrostilbeno 2,2'disulfon
ZA907473B (en) Sulphuric acid recovery process
FR2515223B1 (fr) Procede de fabrication de pate cellulosique en partant de bois selon le procede au sulfate
FR2553789B1 (fr) Procede de fabrication d'un levain naturel et levain naturel obtenu suivant le procede
FR2687657B1 (fr) Procede de fabrication d'acide phosphorique marchand a tres basse teneur en cadmium.
GB2172424B (en) Improvements in or relating to klystron vacuum tubes
FR2587827B1 (fr) Procede de fabrication d'un hauban isolant et hauban realise selon le procede
BR8701444A (pt) Processo de separacao de ferro a partir de uma solucao organica inicial uranifera e processo de separacao de ferro a partir de uma solucao de acido fosforico
ZA899831B (en) Process for the recovery of sulphuric acid in the production of titanium dioxide
GB8621535D0 (en) Bipolar fabrication process
CA2047728A1 (en) Process for recovering germanium