TW227989B - - Google Patents

Info

Publication number
TW227989B
TW227989B TW081108245A TW81108245A TW227989B TW 227989 B TW227989 B TW 227989B TW 081108245 A TW081108245 A TW 081108245A TW 81108245 A TW81108245 A TW 81108245A TW 227989 B TW227989 B TW 227989B
Authority
TW
Taiwan
Application number
TW081108245A
Original Assignee
Nittetsu Mining Co Ltd
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 Nittetsu Mining Co Ltd filed Critical Nittetsu Mining Co Ltd
Application granted granted Critical
Publication of TW227989B publication Critical patent/TW227989B/zh

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/001—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
    • 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
    • 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
    • C01B17/903—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids by liquid-liquid extraction
    • 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
    • C22B34/124—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 using acidic solutions or liquors
    • C22B34/125—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 using acidic solutions or liquors containing a sulfur ion as active agent
    • 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
TW081108245A 1991-11-08 1992-10-16 TW227989B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3293126A JP2968877B2 (ja) 1991-11-08 1991-11-08 金属硫酸塩含有の廃硫酸から硫酸を回収する方法

Publications (1)

Publication Number Publication Date
TW227989B true TW227989B (zh) 1994-08-11

Family

ID=17790758

Family Applications (1)

Application Number Title Priority Date Filing Date
TW081108245A TW227989B (zh) 1991-11-08 1992-10-16

Country Status (13)

Country Link
US (1) US5489423A (zh)
EP (1) EP0541002B1 (zh)
JP (1) JP2968877B2 (zh)
KR (1) KR100260296B1 (zh)
CN (1) CN1041811C (zh)
AU (1) AU649573B2 (zh)
CA (1) CA2082256A1 (zh)
DE (1) DE69219274T2 (zh)
FI (1) FI925044A (zh)
MY (1) MY109068A (zh)
RU (1) RU2098349C1 (zh)
SG (1) SG46572A1 (zh)
TW (1) TW227989B (zh)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2968913B2 (ja) * 1993-07-30 1999-11-02 日鉄鉱業株式会社 金属硫酸塩含有の廃硫酸を再生する方法
EP0638515B1 (de) * 1993-08-12 2000-04-05 Kerr-McGee Pigments GmbH & Co. KG Verfahren zur Aufarbeitung von Dünnsäure
US7008602B2 (en) * 2002-04-19 2006-03-07 Millennium Inorganic Chemicals, Inc. Beneficiation of titaniferous ore with sulfuric acid
EP1522522B2 (de) * 2003-10-06 2012-03-07 Kerr-McGee Pigments GmbH Verfahren zur Aufarbeitung eisenbelasteter Gebrauchtschwefelsäure
CN100357176C (zh) * 2005-10-19 2007-12-26 兰州大学 从含金属盐的废硫酸中回收硫酸的方法
CN101172647B (zh) * 2007-10-19 2010-06-09 杨绍泉 硫酸法制备钛白粉的方法
CN101759158B (zh) * 2009-12-23 2011-06-29 河南豫光金铅股份有限公司 从废污酸中再生回收硫酸的方法
CN102191387B (zh) * 2010-03-08 2013-06-19 沙立林 钛液的提纯方法
US9278860B2 (en) * 2014-07-22 2016-03-08 Taiwan Semiconductor Manufacturing Co., Ltd. Method and apparatus for recycling waste sulfuric acid
CN104555949A (zh) * 2014-12-28 2015-04-29 贵州兰鑫石墨机电设备制造有限公司 一种钛白废酸浓缩工艺
CN104760938B (zh) * 2015-03-18 2017-10-13 安庆师范学院 一种去除浓硫酸中铁离子的方法
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
CN109818099B (zh) * 2019-01-31 2019-12-17 襄阳金湛技术开发有限公司 一种废旧硫酸回收再生系统及方法
CN109987588A (zh) * 2019-04-24 2019-07-09 成都先进金属材料产业技术研究院有限公司 利用焦磷酸钠处理废硫酸溶液的方法
CN112923780B (zh) * 2021-04-14 2022-06-21 唐山三友硅业有限责任公司 有机硅生产用石墨换热器的清洗方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2344429A (en) * 1940-05-04 1944-03-14 Dirk Willem Van Gelder Process of purifying sulphuric acid solutions
US3635664A (en) * 1969-08-20 1972-01-18 Daido Chem Eng Corp REGENERATION OF HYDROCHLORIC ACID PICKLING WASTE BY H{11 SO{11 {0 ADDITION, DISTILLATION AND FeSO{11 {0 Precipitation
CH613913A5 (zh) * 1975-10-20 1979-10-31 Pechiney Aluminium
JPS5836677B2 (ja) * 1976-01-16 1983-08-10 日本ソレックス株式会社 硫酸鉄溶液から硫酸及び含有金属を回収する方法
US4177119A (en) * 1976-03-09 1979-12-04 Solex Research Corporation Process for recovery of waste H2 SO4 and HCl
US4261959A (en) * 1979-12-18 1981-04-14 Gte Products Corporation Process for extracting ferric iron from an aqueous solution
JPS56160326A (en) * 1980-05-13 1981-12-10 Nippon Soretsukusu Kk Recovering method for acid containing titanium ion
FR2523466B1 (fr) * 1982-03-19 1986-09-12 Rhone Poulenc Sa Procede de recuperation et de purification d'un acide sulfurique residuaire contenant des sels de titane
JPS62275018A (ja) * 1986-05-23 1987-11-30 Kimura Kakoki Kk 酸性廃液から有価金属及び酸を回収する方法
CA1303815C (en) * 1987-06-30 1992-06-23 Solex Research Corporation Of Japan Method for neutralization treatment of sulfuric acid containing iron ions
EP0298763A3 (en) * 1987-07-08 1990-01-10 Solex Research Corporation of Japan Method for recovering titanium
JPH02129010A (ja) * 1988-11-08 1990-05-17 Asahi Glass Co Ltd チタン硫酸排液からの硫酸の回収方法
JP2650065B2 (ja) * 1989-08-21 1997-09-03 ペルメレック電極株式会社 硫酸の回収方法
DE3927751A1 (de) * 1989-08-23 1991-02-28 Bayer Ag Verfahren zum konzentrieren metallsulfathaltiger schwefelsaeure
JPH0388718A (ja) * 1989-08-31 1991-04-15 Sanehisa Kodama 硫酸法酸化チタン廃硫酸の処理方法
US5015458A (en) * 1990-04-04 1991-05-14 Gte Products Corporation Method for purifying sulfuric acid solutions

Also Published As

Publication number Publication date
JPH05132304A (ja) 1993-05-28
DE69219274D1 (de) 1997-05-28
DE69219274T2 (de) 1997-08-07
KR100260296B1 (ko) 2000-07-01
CN1041811C (zh) 1999-01-27
FI925044A (fi) 1993-05-09
CA2082256A1 (en) 1993-05-09
MY109068A (en) 1996-11-30
JP2968877B2 (ja) 1999-11-02
SG46572A1 (en) 1998-02-20
CN1072154A (zh) 1993-05-19
KR930009915A (ko) 1993-06-21
EP0541002A1 (en) 1993-05-12
EP0541002B1 (en) 1997-04-23
RU2098349C1 (ru) 1997-12-10
AU649573B2 (en) 1994-05-26
FI925044A0 (fi) 1992-11-06
US5489423A (en) 1996-02-06
AU2813392A (en) 1993-05-13

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