FI913234A - Foerfarande foer separering av sulfat. - Google Patents

Foerfarande foer separering av sulfat. Download PDF

Info

Publication number: FI913234A
Authority: FI; Finland
Prior art keywords: sulfat; foerfarande foer; foer separering; separering; foerfarande
Prior art date: 1990-07-16

Application number

FI913234A

Other languages

English (en)

Other versions

FI101530B1 (fi

FI101530B (fi

FI913234A0 (fi

Inventor

Raymond Ewart Alford

Felix Man Mok

Original Assignee

Chemetics Int

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.)

1990-07-16

Filing date

1991-07-03

Publication date

1992-01-17

1991-07-03 Application filed by Chemetics Int filed Critical Chemetics Int

1991-07-03 Publication of FI913234A0 publication Critical patent/FI913234A0/fi

1992-01-17 Publication of FI913234A publication Critical patent/FI913234A/fi

1998-07-15 Application granted granted Critical

1998-07-15 Publication of FI101530B1 publication Critical patent/FI101530B1/fi

1998-07-15 Publication of FI101530B publication Critical patent/FI101530B/fi

Classifications

- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/24—Halogens or compounds thereof
- C25B1/26—Chlorine; Compounds thereof
- C25B1/265—Chlorates
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/12—Chloric acid
- C01B11/14—Chlorates
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/14—Purification
- C01D3/16—Purification by precipitation or adsorption

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Chemical Kinetics & Catalysis (AREA)
Electrochemistry (AREA)
Metallurgy (AREA)
Inorganic Compounds Of Heavy Metals (AREA)
Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Removal Of Specific Substances (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

FI913234A 1990-07-16 1991-07-03 Menetelmä sulfaatin erottamiseksi FI101530B (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US55262090		1990-07-16
US07/552,620 US5093089A (en)	1990-07-16	1990-07-16	Process for the separation of sulphate

Publications (4)

Publication Number	Publication Date
FI913234A0 FI913234A0 (fi)	1991-07-03
FI913234A true FI913234A (fi)	1992-01-17
FI101530B1 FI101530B1 (fi)	1998-07-15
FI101530B FI101530B (fi)	1998-07-15

Family

ID=24206091

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI913234A FI101530B (fi)	1990-07-16	1991-07-03	Menetelmä sulfaatin erottamiseksi

Country Status (11)

Country	Link
US (1)	US5093089A (fi)
JP (1)	JPH0624739A (fi)
CN (1)	CN1050866C (fi)
AU (1)	AU630031B2 (fi)
CA (1)	CA2041914C (fi)
ES (1)	ES2033580B1 (fi)
FI (1)	FI101530B (fi)
NZ (1)	NZ238887A (fi)
PT (1)	PT98318B (fi)
SE (1)	SE506783C2 (fi)
ZA (1)	ZA915393B (fi)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA2100948C (en) *	1992-04-22	1995-01-24	John Robert Jackson	Process for chromium removal using an inorganic sulfur compound
SE500107C2 (sv) *	1991-06-26	1994-04-18	Eka Nobel Ab	Förfarande för framställning av klordioxid
US5520902A (en) *	1994-11-25	1996-05-28	Occidental Chemical Corporation	Process for making chromium-free orthorhombic sodium sulfate
JP4012058B2 (ja)	2001-12-21	2007-11-21	キヤノン株式会社	リサイクル性重合体、その製造方法、ならびにリサイクル処理方法
EP1759749A1 (en) *	2005-08-30	2007-03-07	F.Hoffmann-La Roche Ag	Method for crystallization of a weakly acidic and/or weakly basic compound
CA2880358A1 (en)	2012-08-22	2014-02-27	Chemetics Inc.	Side stream removal of impurities in electrolysis systems
CN103539164B (zh) *	2013-11-01	2016-05-25	四川省银河化学股份有限公司	一种由含铬芒硝精制元明粉的方法
CN105907991B (zh) *	2016-06-30	2018-01-05	华南理工大学	一种含六价铬废渣提取回收铬的脱毒处理方法
CN106048239B (zh) *	2016-06-30	2018-07-20	华南理工大学	一种含六价铬废渣的资源循环再利用的处理方法
CN111448164A (zh) *	2017-06-26	2020-07-24	丹尼尔·恩内斯托·加利	从天然盐滩和盐沼中的盐水获得最低杂质含量的浓缩盐水的方法，所述方法具有最小环境影响和最大锂回收

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2450259B2 (de) *	1974-10-23	1979-03-29	Bayer Ag, 5090 Leverkusen	Verfahren zur Reinigung von Elektrolysesole
DE2709728C2 (de) *	1977-03-05	1981-10-29	Bayer Ag, 5090 Leverkusen	Verfahren zur Herstellung von Chlor und Alkalihydroxid durch Elektrolyse unter Einsatz von calcium- und/oder sulfathaltigem Rohsalz
US4268486A (en) *	1979-07-02	1981-05-19	Olin Corporation	Selective chromate removal from a chlorate solution
US4259297A (en) *	1979-09-04	1981-03-31	Olin Corporation	Chromate removal from concentrated chlorate solution by chemical precipitation
CA1183489A (en) *	1980-09-02	1985-03-05	Hideo Yamamoto	Process for recovering cr(vi) ions from a chlorate cell liquor
US4636376A (en) *	1985-09-30	1987-01-13	Ppg Industries, Inc.	Sulfate removal from alkali metal chlorate solutions
US4702805A (en) *	1986-03-27	1987-10-27	C-I-L Inc.	Production of sodium chlorate
SE455706B (sv) *	1986-12-04	1988-08-01	Eka Nobel Ab	Sett vid framstellning av alkaliemetallklorat
CA1314688C (en) *	1987-09-14	1993-03-23	Ian Harry Warren	Stripping and recovery of dichromate in electrolytic chlorate systems

1990
- 1990-07-16 US US07/552,620 patent/US5093089A/en not_active Expired - Lifetime
1991
- 1991-04-29 AU AU76126/91A patent/AU630031B2/en not_active Ceased
- 1991-05-07 CA CA002041914A patent/CA2041914C/en not_active Expired - Lifetime
- 1991-07-03 FI FI913234A patent/FI101530B/fi not_active IP Right Cessation
- 1991-07-09 NZ NZ238887A patent/NZ238887A/en unknown
- 1991-07-11 ZA ZA915393A patent/ZA915393B/xx unknown
- 1991-07-12 SE SE9102169A patent/SE506783C2/sv not_active IP Right Cessation
- 1991-07-15 JP JP3198315A patent/JPH0624739A/ja active Pending
- 1991-07-15 PT PT98318A patent/PT98318B/pt not_active IP Right Cessation
- 1991-07-16 CN CN91104682A patent/CN1050866C/zh not_active Expired - Fee Related
- 1991-07-16 ES ES09101663A patent/ES2033580B1/es not_active Expired - Fee Related

Also Published As

Publication number	Publication date
SE9102169D0 (sv)	1991-07-12
CA2041914A1 (en)	1992-01-17
AU630031B2 (en)	1992-10-15
FI101530B1 (fi)	1998-07-15
FI101530B (fi)	1998-07-15
JPH0624739A (ja)	1994-02-01
CA2041914C (en)	1997-12-30
PT98318B (pt)	1999-01-29
ES2033580A1 (es)	1993-03-16
ES2033580B1 (es)	1997-07-16
AU7612691A (en)	1992-01-16
CN1058240A (zh)	1992-01-29
PT98318A (pt)	1992-05-29
CN1050866C (zh)	2000-03-29
US5093089A (en)	1992-03-03
SE506783C2 (sv)	1998-02-09
ZA915393B (en)	1992-06-24
NZ238887A (en)	1992-08-26
SE9102169L (sv)	1992-01-17
FI913234A0 (fi)	1991-07-03

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Legal Events

Date	Code	Title	Description
2006-01-31	MA	Patent expired