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

Verfahren zur herstellung von alkalimetall- hypophosphiten.

Info

Publication number
ATE121054T1
ATE121054T1 AT91304802T AT91304802T ATE121054T1 AT E121054 T1 ATE121054 T1 AT E121054T1 AT 91304802 T AT91304802 T AT 91304802T AT 91304802 T AT91304802 T AT 91304802T AT E121054 T1 ATE121054 T1 AT E121054T1
Authority
AT
Austria
Prior art keywords
alkali metal
hypophosphite
solution
compartment
concentrating
Prior art date
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.)
Filing date
Publication date
Application filed by Phosphorus Chem Ind filed Critical Phosphorus Chem Ind
Application granted granted Critical
Publication of ATE121054T1 publication Critical patent/ATE121054T1/de

Links

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 (12)

* 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
US5480517A (en) * 1994-09-16 1996-01-02 Learonal Inc. Electrolytic production of hypophosphorous acid
US5578182A (en) * 1994-09-16 1996-11-26 Learonal Inc. Electrolytic production of hypophosphorous acid
WO2011022871A1 (en) 2009-08-24 2011-03-03 Rhodia (China) Co., Ltd. A process for stabilizing hypophosphite salts
BR112012009360A2 (pt) 2009-10-23 2016-11-22 Rhodia China Co Ltd processo para estabilização de hipofosfito.
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
JP5992601B2 (ja) * 2012-04-06 2016-09-14 ローディア オペレーションズ 次亜リン酸塩の製造方法
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***

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

Also Published As

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

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Legal Events

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