ZA883040B - Method for precipitation of chromium and/or vanadium from waste sulphuric acid from the titanium dioxide production - Google Patents

Method for precipitation of chromium and/or vanadium from waste sulphuric acid from the titanium dioxide production

Info

Publication number
ZA883040B
ZA883040B ZA883040A ZA883040A ZA883040B ZA 883040 B ZA883040 B ZA 883040B ZA 883040 A ZA883040 A ZA 883040A ZA 883040 A ZA883040 A ZA 883040A ZA 883040 B ZA883040 B ZA 883040B
Authority
ZA
South Africa
Prior art keywords
vanadium
chromium
precipitation
titanium dioxide
sulphuric acid
Prior art date
Application number
ZA883040A
Other languages
English (en)
Inventor
Hans Wiesmann
Wiesmann Hans
Parmanand Bansal
Bansal Parmanand
Original Assignee
Escher Wyss 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=4215394&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA883040(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Escher Wyss Ag filed Critical Escher Wyss Ag
Publication of ZA883040B publication Critical patent/ZA883040B/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
    • C01B17/90—Separation; Purification
    • C01B17/901—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids
    • 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
    • C01B17/90—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Processing Of Solid Wastes (AREA)
ZA883040A 1987-04-30 1988-04-28 Method for precipitation of chromium and/or vanadium from waste sulphuric acid from the titanium dioxide production ZA883040B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1649/87A CH669184A5 (de) 1987-04-30 1987-04-30 Verfahren zur abscheidung von verunreinigungen, insbesondere von chrom, aus abfallschwefelsaeure.

Publications (1)

Publication Number Publication Date
ZA883040B true ZA883040B (en) 1989-01-25

Family

ID=4215394

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA883040A ZA883040B (en) 1987-04-30 1988-04-28 Method for precipitation of chromium and/or vanadium from waste sulphuric acid from the titanium dioxide production

Country Status (12)

Country Link
EP (1) EP0313592B1 (fr)
JP (1) JPH01503230A (fr)
KR (1) KR940006033B1 (fr)
AU (1) AU596001B2 (fr)
CA (1) CA1329005C (fr)
CH (1) CH669184A5 (fr)
DE (2) DE3730950A1 (fr)
ES (1) ES2007220A6 (fr)
FI (1) FI86626C (fr)
SU (1) SU1736332A3 (fr)
WO (1) WO1988008405A1 (fr)
ZA (1) ZA883040B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101812593B (zh) * 2010-04-22 2011-06-22 攀钢集团钢铁钒钛股份有限公司 利用提钒尾渣和酸性铵盐沉钒废水的方法
CN106186064B (zh) * 2016-07-26 2017-10-31 大连博融新材料股份有限公司 一种深度除铬生产高纯偏钒酸铵的方法
RU2651019C2 (ru) * 2016-09-19 2018-04-18 Федеральное государственное автономное образовательное учреждение высшего образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" Способ переработки жидких отходов производства диоксида титана

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE578034C (de) * 1931-06-28 1933-06-08 Dr Paul Weinstock Reinigung von metallische Verunreinigungen enthaltender Schwefelsaeure
DE591056C (de) * 1932-08-23 1934-01-16 Paul Weinstock Dr Verfahren zur Reinigung von Schwefelsaeure
DE1119835B (de) * 1958-04-02 1961-12-21 Willy Carl Ferdinand Buesching Verfahren und Vorrichtung zur kontinuierlichen Aufarbeitung von sulfathaltigen verduennten Abfallschwefelsaeuren mittels Eindampfen
NL258598A (fr) * 1959-12-03
LU39457A1 (fr) * 1960-08-24 1961-01-25
US3575853A (en) * 1968-12-24 1971-04-20 Lab Betz Inc Waste water treatment
DE2446117B2 (de) * 1974-09-27 1979-04-26 Freie Und Hansestadt Hamburg Behoerde Fuer Wirtschaft Und Verkehr, 2000 Hamburg Vorrichtung zur Abscheidung von komplexgebundenen Übergangsmetallen aus Industrieabwasser
DE2729756A1 (de) * 1977-07-01 1979-01-11 Kronos Titan Gmbh Verfahren zur entfernung von chromionen bei der aufkonzentrierung verduennter eisen(ii)-sulfathaltiger schwefelsaeureloesungen von der titandioxid-pigment-herstellung

Also Published As

Publication number Publication date
FI86626C (fi) 1992-09-25
EP0313592A1 (fr) 1989-05-03
FI885674A0 (fi) 1988-12-07
AU596001B2 (en) 1990-04-12
AU1597788A (en) 1988-12-02
DE3861843D1 (de) 1991-04-04
SU1736332A3 (ru) 1992-05-23
FI86626B (fi) 1992-06-15
CA1329005C (fr) 1994-05-03
JPH0512286B2 (fr) 1993-02-17
EP0313592B1 (fr) 1991-02-27
ES2007220A6 (es) 1989-06-01
WO1988008405A1 (fr) 1988-11-03
KR940006033B1 (ko) 1994-07-02
JPH01503230A (ja) 1989-11-02
FI885674L (fi) 1988-12-07
DE3730950A1 (de) 1988-11-10
CH669184A5 (de) 1989-02-28
KR890700539A (ko) 1989-04-25

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