ZA775798B - Working up spent sulphuric acid simultaneously with sulphate - Google Patents

Working up spent sulphuric acid simultaneously with sulphate

Info

Publication number
ZA775798B
ZA775798B ZA00775798A ZA775798A ZA775798B ZA 775798 B ZA775798 B ZA 775798B ZA 00775798 A ZA00775798 A ZA 00775798A ZA 775798 A ZA775798 A ZA 775798A ZA 775798 B ZA775798 B ZA 775798B
Authority
ZA
South Africa
Prior art keywords
sulphate
working
sulphuric acid
acid simultaneously
spent sulphuric
Prior art date
Application number
ZA00775798A
Other languages
English (en)
Inventor
H Guth
R Gerken
W Potes
C Muecke
H Wieschen
Original Assignee
Metallgesellschaft Ag
Bayer 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
Application filed by Metallgesellschaft Ag, Bayer Ag filed Critical Metallgesellschaft Ag
Publication of ZA775798B publication Critical patent/ZA775798B/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
    • C01B17/48—Sulfur dioxide; Sulfurous acid
    • C01B17/50—Preparation of sulfur dioxide
    • C01B17/58—Recovery of sulfur dioxide from acid tar or the like or from any waste sulfuric acid
    • 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
    • C01B17/74—Preparation
    • C01B17/76—Preparation by contact processes
    • C01B17/775—Liquid phase contacting processes or wet catalysis processes
    • 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)
  • Treating Waste Gases (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Gas Separation By Absorption (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ZA00775798A 1976-09-29 1977-09-28 Working up spent sulphuric acid simultaneously with sulphate ZA775798B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762643798 DE2643798A1 (de) 1976-09-29 1976-09-29 Verfahren zur aufarbeitung von abfallschwefelsaeure und eisensulfatheptahydrat zu frischsaeure

Publications (1)

Publication Number Publication Date
ZA775798B true ZA775798B (en) 1978-08-30

Family

ID=5989127

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00775798A ZA775798B (en) 1976-09-29 1977-09-28 Working up spent sulphuric acid simultaneously with sulphate

Country Status (12)

Country Link
US (1) US4153628A (pl)
JP (1) JPS5343080A (pl)
AU (1) AU2909877A (pl)
BE (1) BE859163A (pl)
BR (1) BR7706419A (pl)
DE (1) DE2643798A1 (pl)
ES (1) ES462716A1 (pl)
FI (1) FI772844A7 (pl)
FR (1) FR2366219A1 (pl)
NO (1) NO773165L (pl)
PL (1) PL201083A1 (pl)
ZA (1) ZA775798B (pl)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4376107A (en) * 1981-06-11 1983-03-08 Morgenthaler John H Process for the regeneration of spent sulfuric acid
US5229087A (en) * 1987-06-04 1993-07-20 Bayer Aktiengesellschaft Process for the preparation of titanium dioxide
DE3718674A1 (de) * 1987-06-04 1988-12-15 Bayer Ag Verfahren zur herstellung von titandioxid
DE3742838A1 (de) * 1987-12-17 1989-07-13 Kronos Titan Gmbh Verfahren zur herstellung von titandioxid-pigmenten
US5114699A (en) * 1989-04-12 1992-05-19 Freeport-Mcmoran Resource Partners Spent alkylation acid treatment process
EP0421629A1 (en) * 1989-09-21 1991-04-10 Chemetics International Company Ltd. Sulphuric acid recovery process
US5082645A (en) * 1990-08-24 1992-01-21 Chemetics International Company, Ltd. Waste acid recovery process
US5498790A (en) * 1993-06-09 1996-03-12 Novus International, Inc. Regeneration of sulfuric acid from sulfate by-products of 2-hydroxy-4-(methylthio)butyric acid manufacture
US5595713A (en) * 1994-09-08 1997-01-21 The Babcock & Wilcox Company Hydrogen peroxide for flue gas desulfurization
US5730950A (en) * 1996-06-25 1998-03-24 Jennifer L. Klotz Sulfuric acid waste recycling by regenerative process
FI103517B (fi) * 1997-12-09 1999-07-15 Outokumpu Oy Menetelmä pesuhapon termiseksi hajottamiseksi
US6315975B1 (en) * 1999-09-10 2001-11-13 Rhodia Inc. Suspension system using fumed silica
CN1330562C (zh) * 2005-06-30 2007-08-08 武汉方圆钛白粉有限责任公司 硫酸法钛白粉生产中废酸浓缩回收利用的工业化方法
CN106422680B (zh) * 2016-11-22 2022-09-09 杭州东日节能技术有限公司 一种副产40%以上硫酸的冶炼烟气净化处理装置及方法
CN109368604A (zh) * 2018-10-24 2019-02-22 四川大学 一种利用相平衡原理通过生成结晶水合物进行钛白废酸浓缩的工艺

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1048247A (en) * 1911-07-25 1912-12-24 Charles A Weeks Recovery of sulfuric acid and iron oxid from ferrous-sulfate sludge.
US1489347A (en) * 1920-05-01 1924-04-08 J P Laffey Production of iron and steel
US2098056A (en) * 1936-02-15 1937-11-02 Du Pont Utilization of waste products in the manufacture of titanium compounds from titanium ores
US2255445A (en) * 1938-04-25 1941-09-09 Eila Van Gorder Production of sulphuric acid and iron oxide from waste pickling acid
US2304178A (en) * 1939-05-15 1942-12-08 Harmon E Keyes Sulphating process and apparatus therefor
US3086846A (en) * 1958-03-17 1963-04-23 North American Coal Corp Process for the recovery of sulfuric acid from metallic sulfates
US2946659A (en) * 1958-05-15 1960-07-26 Puriron And Chemicals Inc Production of new sulfuric acid from waste pickle liquor
US3387927A (en) * 1963-12-03 1968-06-11 Battelle Development Corp Method of regenerating waste pickle liquors
GB1272407A (en) * 1968-08-26 1972-04-26 Prenco Mfg Company Recovering values from waste pickle liquor
DE2037619B2 (de) * 1970-07-29 1972-07-13 Chemiebau Dr. A. Zieren GmbH & Co KG, 5000 Köln Verfahren zur spaltung von schwefelsaeure
US3944657A (en) * 1971-02-19 1976-03-16 Davy Powergas Gmbh Sulfur dioxide from by-product ammonium sulfate solutions
US3713786A (en) * 1971-12-06 1973-01-30 New Jersey Zinc Co Evaporative sulfuric acid recovery from sulfuric acids containing sulfates
DE2210637B2 (de) * 1972-03-06 1975-12-04 Davy Powergas Gmbh, 5000 Koeln Verfahren zur Herstellung eines Schwefeldioxid enthaltenden Gases aus einer bei der TitanweiBherstellung anfallenden Dünnsäure
DE2415883A1 (de) * 1974-04-02 1975-10-09 Krupp Gmbh Verfahren zur gewinnung von konzentrierter schwefelsaeure und schwefelsaeurefreien, trockenen, granulierten salzen aus salzhaltiger schwefelsaeure
DE2519928C3 (de) * 1975-05-05 1981-04-02 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur Herstellung von Schwefelsäure

Also Published As

Publication number Publication date
NO773165L (no) 1978-03-30
JPS5343080A (en) 1978-04-18
US4153628A (en) 1979-05-08
FR2366219A1 (fr) 1978-04-28
FI772844A7 (fi) 1978-03-30
ES462716A1 (es) 1978-05-16
PL201083A1 (pl) 1978-07-17
AU2909877A (en) 1979-04-05
DE2643798A1 (de) 1978-04-06
BE859163A (fr) 1978-03-29
BR7706419A (pt) 1978-06-06

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