FR1300603A - Process for treating hydrolytic acids formed in the manufacture of titanium dioxide by the sulfuric acid etching process - Google Patents

Process for treating hydrolytic acids formed in the manufacture of titanium dioxide by the sulfuric acid etching process

Info

Publication number
FR1300603A
FR1300603A FR873415A FR873415A FR1300603A FR 1300603 A FR1300603 A FR 1300603A FR 873415 A FR873415 A FR 873415A FR 873415 A FR873415 A FR 873415A FR 1300603 A FR1300603 A FR 1300603A
Authority
FR
France
Prior art keywords
manufacture
sulfuric acid
titanium dioxide
acid etching
acids formed
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.)
Expired
Application number
FR873415A
Other languages
French (fr)
Inventor
Hans Zirngibl
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.)
Bayer AG
Original Assignee
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
Priority claimed from DEF33070A external-priority patent/DE1173074B/en
Application filed by Bayer AG filed Critical Bayer AG
Priority to FR873415A priority Critical patent/FR1300603A/en
Application granted granted Critical
Publication of FR1300603A publication Critical patent/FR1300603A/en
Expired 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
    • C01B17/48—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
    • C01B17/48—Sulfur dioxide; Sulfurous acid
    • C01B17/50—Preparation of sulfur dioxide
    • C01B17/501—Preparation of sulfur dioxide by reduction of sulfur compounds
    • C01B17/507—Preparation of sulfur dioxide by reduction of sulfur compounds of iron sulfates
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating
    • C22B1/2406—Binding; Briquetting ; Granulating pelletizing
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/10—Obtaining titanium, zirconium or hafnium
    • C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
    • C22B34/1236—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching
    • C22B34/1259—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching treatment or purification of titanium containing solutions or liquors or slurries
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Geochemistry & Mineralogy (AREA)
FR873415A 1961-01-26 1961-09-16 Process for treating hydrolytic acids formed in the manufacture of titanium dioxide by the sulfuric acid etching process Expired FR1300603A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR873415A FR1300603A (en) 1961-01-26 1961-09-16 Process for treating hydrolytic acids formed in the manufacture of titanium dioxide by the sulfuric acid etching process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEF33070A DE1173074B (en) 1961-01-26 1961-01-26 Process for working up the hydrolysis acids obtained during the production of titanium dioxide using the sulfuric acid digestion process
FR873415A FR1300603A (en) 1961-01-26 1961-09-16 Process for treating hydrolytic acids formed in the manufacture of titanium dioxide by the sulfuric acid etching process

Publications (1)

Publication Number Publication Date
FR1300603A true FR1300603A (en) 1962-08-03

Family

ID=25974888

Family Applications (1)

Application Number Title Priority Date Filing Date
FR873415A Expired FR1300603A (en) 1961-01-26 1961-09-16 Process for treating hydrolytic acids formed in the manufacture of titanium dioxide by the sulfuric acid etching process

Country Status (1)

Country Link
FR (1) FR1300603A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0197507A2 (en) * 1985-04-12 1986-10-15 Bayer Ag Process for the preparation of titanium dioxide
FR2634751A1 (en) * 1988-07-29 1990-02-02 Metaleurop Sa

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0197507A2 (en) * 1985-04-12 1986-10-15 Bayer Ag Process for the preparation of titanium dioxide
EP0197507A3 (en) * 1985-04-12 1989-01-04 Bayer Ag Process for the preparation of titanium dioxide
FR2634751A1 (en) * 1988-07-29 1990-02-02 Metaleurop Sa
US4954322A (en) * 1988-07-29 1990-09-04 Metaleurop S.A. Process for the recovery of metal values contained in a gangue

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