ATE121054T1 - Verfahren zur herstellung von alkalimetall- hypophosphiten. - Google Patents

Verfahren zur herstellung von alkalimetall- hypophosphiten.

Info

Publication number: ATE121054T1
Authority: AT; Austria
Prior art keywords: alkali metal; hypophosphite; solution; compartment; concentrating
Prior art date: 1990-05-30

Application number

AT91304802T

Other languages

English (en)

Inventor

Yoshihiro Takikawa

Masaoki Oda

Takashi Takeuti

Katsutoshi Shibata

Atsushi Kanayama

Original Assignee

Phosphorus Chem Ind

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.)

1990-05-30

Filing date

1991-05-28

Publication date

1995-04-15

1991-05-28 Application filed by Phosphorus Chem Ind filed Critical Phosphorus Chem Ind

1995-04-15 Application granted granted Critical

1995-04-15 Publication of ATE121054T1 publication Critical patent/ATE121054T1/de

Links

238000004519 manufacturing process Methods 0.000 title 1
239000002184 metal Substances 0.000 title 1
ACVYVLVWPXVTIT-UHFFFAOYSA-M phosphinate Chemical compound [O-][PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-M 0.000 abstract 4
229910052783 alkali metal Inorganic materials 0.000 abstract 3
239000012045 crude solution Substances 0.000 abstract 3
239000000243 solution Substances 0.000 abstract 3
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 2
150000008044 alkali metal hydroxides Chemical class 0.000 abstract 2
150000001340 alkali metals Chemical class 0.000 abstract 2
238000011033 desalting Methods 0.000 abstract 2
239000012528 membrane Substances 0.000 abstract 2
238000000034 method Methods 0.000 abstract 2
239000003513 alkali Substances 0.000 abstract 1
-1 alkali metal hypophosphites Chemical class 0.000 abstract 1
150000001450 anions Chemical class 0.000 abstract 1
239000012736 aqueous medium Substances 0.000 abstract 1
238000005341 cation exchange Methods 0.000 abstract 1
239000003795 chemical substances by application Substances 0.000 abstract 1
238000000909 electrodialysis Methods 0.000 abstract 1
239000012535 impurity Substances 0.000 abstract 1
OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 abstract 1
239000002994 raw material Substances 0.000 abstract 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/165—Hypophosphorous acid; Salts thereof
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/163—Phosphorous acid; Salts thereof

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Separation Using Semi-Permeable Membranes (AREA)
Water Treatment By Electricity Or Magnetism (AREA)
Chemically Coating (AREA)

AT91304802T 1990-05-30 1991-05-28 Verfahren zur herstellung von alkalimetall- hypophosphiten. ATE121054T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP2140753A JPH07110764B2 (ja)	1990-05-30	1990-05-30	アルカリ金属次亜リン酸塩の製造方法

Publications (1)

Publication Number	Publication Date
ATE121054T1 true ATE121054T1 (de)	1995-04-15

Family

ID=15275936

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT91304802T ATE121054T1 (de)	1990-05-30	1991-05-28	Verfahren zur herstellung von alkalimetall- hypophosphiten.

Country Status (8)

Country	Link
US (1)	US5225052A (de)
EP (1)	EP0459751B1 (de)
JP (1)	JPH07110764B2 (de)
KR (1)	KR950014210B1 (de)
CN (1)	CN1030185C (de)
AT (1)	ATE121054T1 (de)
CA (1)	CA2043351C (de)
DE (1)	DE69108773T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5419821A (en) *	1993-06-04	1995-05-30	Vaughan; Daniel J.	Process and equipment for reforming and maintaining electroless metal baths
US5431792A (en) *	1993-12-20	1995-07-11	Occidental Chemical Corporation	Method of making hypophosphorous acid
US5522972A (en) *	1994-07-19	1996-06-04	Learonal, Inc.	Nickel hypophosphite manufacture
US5578182A (en) *	1994-09-16	1996-11-26	Learonal Inc.	Electrolytic production of hypophosphorous acid
US5480517A (en) *	1994-09-16	1996-01-02	Learonal Inc.	Electrolytic production of hypophosphorous acid
EP2475743A4 (de)	2009-08-24	2014-01-29	Rhodia China Co Ltd	Verfahren zur stabilisierung von hypophosphitsalzen
WO2011047511A1 (en)	2009-10-23	2011-04-28	Rhodia (China) Co., Ltd.	Process for stabilizing hypophosphite
CN101817513B (zh) *	2010-04-30	2012-06-27	四川川恒化工股份有限公司	磷酸净化装置
KR101979057B1 (ko) *	2012-04-06	2019-05-15	로디아 오퍼레이션스	차아인산염의 제조 방법
GB201807302D0 (en) *	2018-05-03	2018-06-20	Addivant Switzerland Gmbh	Antidegradant blend
CN109589793B (zh) *	2018-12-28	2024-01-26	浙江蓝极膜技术有限公司	一种生产次磷酸的双极膜装置
CN113460985B (zh) *	2021-07-22	2023-08-08	天门安安化工科技有限公司	一种可溶性次磷酸盐的连续生产方法及系统
CN119349521B (zh) *	2024-10-10	2026-01-09	江西福尔鑫医药化工有限公司	一种改性超细次磷酸钠的制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2125587C3 (de) *	1971-05-24	1974-08-15	Knapsack Ag, 5033 Huerth-Knapsack	Verfahren zur Herstellung von Hypophosphiten
US4379132A (en) *	1982-08-05	1983-04-05	Fmc Corporation	Process for sodium hypophosphite
JPS5992908A (ja) *	1982-11-18	1984-05-29	Nippon Chem Ind Co Ltd:The	次亜りん酸ソ−ダの精製法
US4521391A (en) *	1984-01-13	1985-06-04	Stauffer Chemical Company	Method to improve yields of sodium hypophosphite
KR900000772B1 (ko) *	1985-05-03	1990-02-16	알라이드 코오포레이션	혼합염으로부터 혼합산을 회수하는 방법

1990
- 1990-05-30 JP JP2140753A patent/JPH07110764B2/ja not_active Expired - Fee Related
1991
- 1991-05-28 DE DE69108773T patent/DE69108773T2/de not_active Expired - Fee Related
- 1991-05-28 AT AT91304802T patent/ATE121054T1/de not_active IP Right Cessation
- 1991-05-28 EP EP91304802A patent/EP0459751B1/de not_active Expired - Lifetime
- 1991-05-28 CA CA002043351A patent/CA2043351C/en not_active Expired - Fee Related
- 1991-05-29 KR KR1019910008776A patent/KR950014210B1/ko not_active Expired - Fee Related
- 1991-05-29 US US07/707,000 patent/US5225052A/en not_active Expired - Fee Related
- 1991-05-30 CN CN91103709A patent/CN1030185C/zh not_active Expired - Fee Related

Also Published As

Publication number	Publication date
JPH0437601A (ja)	1992-02-07
JPH07110764B2 (ja)	1995-11-29
EP0459751A1 (de)	1991-12-04
CN1056851A (zh)	1991-12-11
US5225052A (en)	1993-07-06
CA2043351C (en)	1995-03-28
KR950014210B1 (ko)	1995-11-23
EP0459751B1 (de)	1995-04-12
CN1030185C (zh)	1995-11-01
DE69108773T2 (de)	1995-08-24
KR910019902A (ko)	1991-12-19
DE69108773D1 (de)	1995-05-18

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Legal Events

Date	Code	Title	Description
1995-10-15	RER	Ceased as to paragraph 5 lit. 3 law introducing patent treaties