FR1303745A - Process for recovering hydrated titanium dioxide from residual hydrolysis acids from the manufacture of titanium dioxide by the sulfuric acid etching process - Google Patents

Process for recovering hydrated titanium dioxide from residual hydrolysis acids from the manufacture of titanium dioxide by the sulfuric acid etching process

Info

Publication number
FR1303745A
FR1303745A FR875845A FR875845A FR1303745A FR 1303745 A FR1303745 A FR 1303745A FR 875845 A FR875845 A FR 875845A FR 875845 A FR875845 A FR 875845A FR 1303745 A FR1303745 A FR 1303745A
Authority
FR
France
Prior art keywords
titanium dioxide
manufacture
sulfuric acid
acid etching
etching process
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
FR875845A
Other languages
French (fr)
Inventor
Hans Zirngibl
Heribert Stuetgens
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
Application filed by Bayer AG filed Critical Bayer AG
Priority to FR875845A priority Critical patent/FR1303745A/en
Application granted granted Critical
Publication of FR1303745A publication Critical patent/FR1303745A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/04—Oxides; Hydroxides
    • C01G23/047—Titanium dioxide
    • C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
    • C01G23/0532—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing sulfate-containing salts
    • C01G23/0534—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing sulfate-containing salts in the presence of seeds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
FR875845A 1961-10-13 1961-10-13 Process for recovering hydrated titanium dioxide from residual hydrolysis acids from the manufacture of titanium dioxide by the sulfuric acid etching process Expired FR1303745A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR875845A FR1303745A (en) 1961-10-13 1961-10-13 Process for recovering hydrated titanium dioxide from residual hydrolysis acids from the manufacture of titanium dioxide by the sulfuric acid etching process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR875845A FR1303745A (en) 1961-10-13 1961-10-13 Process for recovering hydrated titanium dioxide from residual hydrolysis acids from the manufacture of titanium dioxide by the sulfuric acid etching process

Publications (1)

Publication Number Publication Date
FR1303745A true FR1303745A (en) 1962-09-14

Family

ID=8764613

Family Applications (1)

Application Number Title Priority Date Filing Date
FR875845A Expired FR1303745A (en) 1961-10-13 1961-10-13 Process for recovering hydrated titanium dioxide from residual hydrolysis acids from the manufacture of titanium dioxide by the sulfuric acid etching process

Country Status (1)

Country Link
FR (1) FR1303745A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0376031A2 (en) * 1988-12-24 1990-07-04 Bayer Ag Process for the recovery of sulfuric acid in the production of titanium dioxide
CN115463439A (en) * 2022-09-22 2022-12-13 北京鑫瑞聚能科技有限公司 Metatitanic acid cooling and titanium liquid concentration thermal coupling system and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0376031A2 (en) * 1988-12-24 1990-07-04 Bayer Ag Process for the recovery of sulfuric acid in the production of titanium dioxide
EP0376031A3 (en) * 1988-12-24 1991-03-27 Bayer Ag Process for the recovery of sulfuric acid in the production of titanium dioxide
CN115463439A (en) * 2022-09-22 2022-12-13 北京鑫瑞聚能科技有限公司 Metatitanic acid cooling and titanium liquid concentration thermal coupling system and method
CN115463439B (en) * 2022-09-22 2023-11-10 北京鑫瑞聚能科技有限公司 Thermal coupling system and method for cooling meta-titanic acid and concentrating titanium liquid

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