DE69306701D1 - Verfahren zur Herstellung von Natriumhydrosulfit mit hohem Ausbringen - Google Patents

Verfahren zur Herstellung von Natriumhydrosulfit mit hohem Ausbringen

Info

Publication number
DE69306701D1
DE69306701D1 DE69306701T DE69306701T DE69306701D1 DE 69306701 D1 DE69306701 D1 DE 69306701D1 DE 69306701 T DE69306701 T DE 69306701T DE 69306701 T DE69306701 T DE 69306701T DE 69306701 D1 DE69306701 D1 DE 69306701D1
Authority
DE
Germany
Prior art keywords
high yield
sodium hydrosulfite
production
yield sodium
sodium
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
DE69306701T
Other languages
English (en)
Other versions
DE69306701T2 (de
Inventor
David C Munroe
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.)
Morton International LLC
Original Assignee
Morton International LLC
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 Morton International LLC filed Critical Morton International LLC
Publication of DE69306701D1 publication Critical patent/DE69306701D1/de
Application granted granted Critical
Publication of DE69306701T2 publication Critical patent/DE69306701T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C01B17/64—Thiosulfates; Dithionites; Polythionates
    • C01B17/66—Dithionites or hydrosulfites (S2O42-)
DE69306701T 1992-09-11 1993-09-09 Verfahren zur Herstellung von Natriumhydrosulfit mit hohem Ausbringen Expired - Fee Related DE69306701T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/943,842 US5336479A (en) 1989-01-05 1992-09-11 High yield sodium hydrosulfite generation

Publications (2)

Publication Number Publication Date
DE69306701D1 true DE69306701D1 (de) 1997-01-30
DE69306701T2 DE69306701T2 (de) 1997-04-30

Family

ID=25480363

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69306701T Expired - Fee Related DE69306701T2 (de) 1992-09-11 1993-09-09 Verfahren zur Herstellung von Natriumhydrosulfit mit hohem Ausbringen

Country Status (8)

Country Link
US (1) US5336479A (de)
EP (1) EP0587429B1 (de)
AT (1) ATE146444T1 (de)
CA (1) CA2104488C (de)
DE (1) DE69306701T2 (de)
FI (1) FI112861B (de)
NO (1) NO310715B1 (de)
ZA (1) ZA935615B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6217621B1 (en) 1999-07-09 2001-04-17 Morton International Inc. Textile substrate dye stripping
EP1478593A4 (de) * 2001-11-13 2008-07-02 Montgomery Chemicals Llc Wässrige borhydridzusammensetzungen
DE60301446T2 (de) * 2002-06-28 2006-06-14 Rohm & Haas Verfahren zur Aufhellung von Pulpe mit Hydrosulfitlösung
DE60326113D1 (de) * 2002-11-05 2009-03-26 Rohm & Haas Verfahren zum Bleichen von mechanischer Pulpe
BRPI0403054A (pt) * 2004-07-22 2006-03-07 Bann Quimica Ltda equipamento para a preparação de solução aquosa alcalina de hidrossulfito de sódio e uso de um equipamento
US10850982B2 (en) * 2015-04-29 2020-12-01 Basf Se Stabilization of sodium dithionite by means of various additives

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA660586A (en) * 1963-04-02 A. Hinckley Alfred Preparation of alkali metal hydrosulfites
US3985674A (en) * 1974-12-10 1976-10-12 Virginia Chemicals Inc. Stabilized sodium dithionite solutions
EP0027369A1 (de) * 1979-10-12 1981-04-22 Thiokol Corporation Stabile Ausgangslösung zur Herstellung von Hydrosulfit und ihre Verwendung beim Bleichen von Holzschliff, beim Aufhellen von Kaolinton und bei der Reduktion von Küpenfarbstoffen in ihre Leuko-Form
US4534954A (en) * 1982-08-17 1985-08-13 Virginia Chemicals Inc. Sodium hydrosulfite slurries
US4680136A (en) * 1985-05-07 1987-07-14 Stora Kopparbergs Bergslags Ab Method for preparing compositions which can be used in the production of sodium dithionite; and the use of such compositions
IN172015B (de) * 1986-01-03 1993-03-13 Thiokol Morton Inc
US4788041A (en) * 1986-12-22 1988-11-29 Morton Thiokol, Inc. Apparatus for the production of sodium hydrosulfite
US4859447A (en) * 1986-12-22 1989-08-22 Morton Thiokol, Inc. Process for the production of sodium hydrosulfite
SE457647B (sv) * 1987-06-24 1989-01-16 Eka Nobel Ab Saett vid blekning av material med ditionitloesning
CA1340248C (en) * 1989-01-05 1998-12-15 Morton International, Inc. High yield sodium hydrosulfite generation
US5094833A (en) * 1989-01-05 1992-03-10 Morton International, Inc. High yield sodium hydrosulfite generation

Also Published As

Publication number Publication date
FI112861B (fi) 2004-01-30
ATE146444T1 (de) 1997-01-15
EP0587429B1 (de) 1996-12-18
EP0587429A1 (de) 1994-03-16
FI933884A (fi) 1994-03-12
FI933884A0 (fi) 1993-09-06
NO932952L (no) 1994-03-14
NO310715B1 (no) 2001-08-20
ZA935615B (en) 1994-03-01
CA2104488A1 (en) 1994-03-12
DE69306701T2 (de) 1997-04-30
CA2104488C (en) 1997-01-28
US5336479A (en) 1994-08-09
NO932952D0 (no) 1993-08-19

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Legal Events

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