DE3881599D1 - Neutralisieren von eisenionen enthaltenden schwefelsaeuren. - Google Patents

Neutralisieren von eisenionen enthaltenden schwefelsaeuren.

Info

Publication number
DE3881599D1
DE3881599D1 DE8888305745T DE3881599T DE3881599D1 DE 3881599 D1 DE3881599 D1 DE 3881599D1 DE 8888305745 T DE8888305745 T DE 8888305745T DE 3881599 T DE3881599 T DE 3881599T DE 3881599 D1 DE3881599 D1 DE 3881599D1
Authority
DE
Germany
Prior art keywords
neutralization
containing iron
acids containing
iron ion
sulfuric acids
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 - Fee Related
Application number
DE8888305745T
Other languages
English (en)
Other versions
DE3881599T2 (de
Inventor
Mario Watanabe
Renpei Sei
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.)
Solex Research Corp
Original Assignee
Solex Research Corp
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 Solex Research Corp filed Critical Solex Research Corp
Application granted granted Critical
Publication of DE3881599D1 publication Critical patent/DE3881599D1/de
Publication of DE3881599T2 publication Critical patent/DE3881599T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/62—Heavy metal compounds
    • C02F1/64—Heavy metal compounds of iron or manganese
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/0009—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
    • 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
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/26—Treatment of water, waste water, or sewage by extraction
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • 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
    • Y10S423/09—Reaction techniques
    • Y10S423/14—Ion exchange; chelation or liquid/liquid ion extraction

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Inorganic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Physical Water Treatments (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Catalysts (AREA)
DE88305745T 1987-06-30 1988-06-22 Neutralisieren von Eisenionen enthaltenden Schwefelsäuren. Expired - Fee Related DE3881599T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP16084987 1987-06-30
JP22853987 1987-09-14

Publications (2)

Publication Number Publication Date
DE3881599D1 true DE3881599D1 (de) 1993-07-15
DE3881599T2 DE3881599T2 (de) 1994-01-20

Family

ID=26487210

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88305745T Expired - Fee Related DE3881599T2 (de) 1987-06-30 1988-06-22 Neutralisieren von Eisenionen enthaltenden Schwefelsäuren.

Country Status (11)

Country Link
US (1) US4952378A (de)
EP (1) EP0301700B1 (de)
JP (1) JP2702158B2 (de)
KR (1) KR890000355A (de)
AU (1) AU606695B2 (de)
BR (1) BR8803225A (de)
CA (1) CA1303815C (de)
DE (1) DE3881599T2 (de)
ES (1) ES2040857T3 (de)
FI (1) FI85723C (de)
NO (1) NO882765L (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0298763A3 (de) * 1987-07-08 1990-01-10 Solex Research Corporation of Japan Verfahren zur Titangewinnung
JPH0254729A (ja) * 1988-08-19 1990-02-23 Nishimura Watanabe Chiyuushiyutsu Kenkyusho:Kk Ｚｎイオンを含有する硫酸の中和方法
US5061460A (en) * 1988-08-19 1991-10-29 Solex Research Corporation Of Japan Method for manufacturing titanium oxide
JP2968877B2 (ja) * 1991-11-08 1999-11-02 日鉄鉱業株式会社 金属硫酸塩含有の廃硫酸から硫酸を回収する方法
US20020005210A1 (en) * 2000-01-05 2002-01-17 Olsen Douglas R. Regenerating spent pickling liquor
ATE370097T1 (de) * 2003-10-06 2007-09-15 Kerr Mcgee Pigments Gmbh Verfahren zur aufarbeitung eisenbelasteter gebrauchtschwefelsäure
CN102502880B (zh) * 2011-08-23 2016-06-22 青岛三友科技有限公司 利用酸洗废酸生产铁系净水剂的方法
JP6206518B2 (ja) * 2016-02-17 2017-10-04 住友金属鉱山株式会社 中和処理方法、ニッケル酸化鉱石の湿式製錬方法
KR102045523B1 (ko) 2016-11-09 2019-11-18 주식회사 엘지화학 폐염산 정제 방법
CN112661196A (zh) * 2020-12-29 2021-04-16 斯瑞尔环境科技股份有限公司 一种三氯化铁的提纯方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4210502A (en) * 1976-03-09 1980-07-01 Solex Research Corporation Of Japan Process for recovery of waste H2 SO4 and HCl
JPS59162108A (ja) * 1983-03-03 1984-09-13 Tadao Nagai 硫酸溶液の浄液法
JPS6050128A (ja) * 1983-08-25 1985-03-19 Daihachi Kagaku Kogyosho:Kk 水溶液からの鉄（３）の抽出方法および抽出溶媒からの鉄（３）の逆抽出方法
GB8504819D0 (en) * 1985-02-25 1985-03-27 Ici Plc Extraction of metal values

Also Published As

Publication number Publication date
ES2040857T3 (es) 1993-11-01
BR8803225A (pt) 1990-02-06
CA1303815C (en) 1992-06-23
FI85723C (fi) 1992-05-25
DE3881599T2 (de) 1994-01-20
NO882765L (no) 1989-01-02
AU606695B2 (en) 1991-02-14
FI883107A (fi) 1988-12-31
AU1829788A (en) 1989-01-19
FI883107A0 (fi) 1988-06-29
EP0301700B1 (de) 1993-06-09
KR890000355A (ko) 1989-03-14
FI85723B (fi) 1992-02-14
US4952378A (en) 1990-08-28
NO882765D0 (no) 1988-06-22
JPH01157421A (ja) 1989-06-20
EP0301700A1 (de) 1989-02-01
JP2702158B2 (ja) 1998-01-21

Similar Documents

Publication Publication Date Title
ATE113610T1 (de) Ester von alginsäure.
DE3855790D1 (de) Nachweis von Ionen in Flüssigkeiten
DE3689506D1 (de) Neue Acrylsäureamide.
DE3879806D1 (de) Polymerisierung von aethylen.
DE3878381D1 (de) Identifizierung von halbleiterplaettchen.
DE3773964D1 (de) Nachweis von magnetischen unstetigkeiten.
DE3855085D1 (de) Querverbindung von Imidophenylaminen
JPS6429339A (en) Manufacture of methacrylic acid
ATE19401T1 (de) Epimerisierung von malonsaeureestern.
DE3581458D1 (de) Herstellung von maleinsaeureanhydrid.
DE3869007D1 (de) Oxydation von alkanen.
ES543630A0 (es) Acidos 1-ciclopropilquinolon-3-carboxilicos
DE3680000D1 (de) Stabilisierte aktive formen von vitamin-d3.
DE3667163D1 (de) Schwefelsaeure.
ATE112172T1 (de) Targetformer von antitumor-methyltrithioagenzien.
DE3881599D1 (de) Neutralisieren von eisenionen enthaltenden schwefelsaeuren.
DE68911727D1 (de) Ionenaustausch-Gewinnung von L-Lysin.
ATE49214T1 (de) Platinkomplexe von aliphatischen tricarbonsaeuren.
DE3583953D1 (de) Einfuehrung von funktionellen monomeren.
DE3689289D1 (de) Stabilisierung von Polyolefinen.
DE3669550D1 (de) Stabilisierung von pechfasern.
DE3650007D1 (de) Herstellung von Maleimid.
NO893326D0 (no) Fremgangsmaate for noeytralisering av svovelsyre inneholdende sinkioner.
JPS55127339A (en) Recovery of methacrylic acid
DE3869828D1 (de) Stabilisierung von aminalane.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee