ES448077A1 - Un procedimiento para tratar las aguas madres en la produc- cion de ditionito sodico anhidro. - Google Patents

Un procedimiento para tratar las aguas madres en la produc- cion de ditionito sodico anhidro.

Info

Publication number
ES448077A1
ES448077A1 ES448077A ES448077A ES448077A1 ES 448077 A1 ES448077 A1 ES 448077A1 ES 448077 A ES448077 A ES 448077A ES 448077 A ES448077 A ES 448077A ES 448077 A1 ES448077 A1 ES 448077A1
Authority
ES
Spain
Prior art keywords
mother liquor
anhydrous sodium
production
treating
sodium dithionite
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
Application number
ES448077A
Other languages
English (en)
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
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
Priority claimed from JP50059570A external-priority patent/JPS51136597A/ja
Priority claimed from JP50059569A external-priority patent/JPS51136596A/ja
Application filed by Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Publication of ES448077A1 publication Critical patent/ES448077A1/es
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/64Thiosulfates; Dithionites; Polythionates
    • C01B17/66Dithionites or hydrosulfites (S2O42-)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Paper (AREA)
ES448077A 1975-05-21 1976-05-19 Un procedimiento para tratar las aguas madres en la produc- cion de ditionito sodico anhidro. Expired ES448077A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP50059570A JPS51136597A (en) 1975-05-21 1975-05-21 Method for processing mother solution of sodium dithionite anhydride production
JP50059569A JPS51136596A (en) 1975-05-21 1975-05-21 Method for processing mot her liquid in the production of sodium dithionite

Publications (1)

Publication Number Publication Date
ES448077A1 true ES448077A1 (es) 1977-07-01

Family

ID=26400615

Family Applications (1)

Application Number Title Priority Date Filing Date
ES448077A Expired ES448077A1 (es) 1975-05-21 1976-05-19 Un procedimiento para tratar las aguas madres en la produc- cion de ditionito sodico anhidro.

Country Status (4)

Country Link
DE (1) DE2622952C3 (es)
ES (1) ES448077A1 (es)
FR (1) FR2311752A1 (es)
GB (1) GB1504087A (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4590058A (en) * 1985-02-21 1986-05-20 Olin Corporation Process for producing high purity solutions of alkali metal hydrosulfites
CA2016353A1 (en) * 1989-05-23 1990-11-23 Charles E. Winslow, Jr. Method for re-use of aqueous co-product from manufacture of sodium dithionite
DE102004053090A1 (de) * 2004-11-03 2006-05-04 Basf Ag Verfahren zur Herstellung von Natriumdithionit
US7759273B2 (en) * 2005-04-20 2010-07-20 Cabot Corporation Methods of forming an alkali metal salt

Also Published As

Publication number Publication date
GB1504087A (en) 1978-03-15
DE2622952A1 (de) 1976-11-25
FR2311752B1 (es) 1980-09-19
FR2311752A1 (fr) 1976-12-17
DE2622952B2 (de) 1979-02-01
DE2622952C3 (de) 1979-09-27

Similar Documents

Publication Publication Date Title
GB1409586A (en) Process for the removal of hemicellulose from hemicellulose- containing caustic liquors obtained in the treatment of cellulose-
GB1073488A (en) Improvements in contact for direct receptionof printed circuit board
ATE3879T1 (de) Herstellung von fructose und nuetzliche nebenprodukte.
ES448077A1 (es) Un procedimiento para tratar las aguas madres en la produc- cion de ditionito sodico anhidro.
ES420775A1 (es) Un procedimiento para la purificacion de soluciones acuosasde citrato sodico.
GB1485067A (en) Effluent treatment process
US1815328A (en) Process of recovering and utilizing the valuable compounds in spent cooking liquors
ES421512A1 (es) Procedimiento para la preparacion de azul de prusia.
GB1385603A (en) Process for recovering 2,2,4-trimethyl-4-4-hydroxyphenyl chroman
US2592266A (en) Preparation of glucuronic acid and derivatives thereof
ES428937A1 (es) Un procedimiento mejorado para la purificacion de acido sulfurico acuoso.
ES447847A1 (es) Un procedimiento para producir continuamente ditionito sodi-co anhidro en la forma de granulos grandes.
ES304963A1 (es) Metodo de purificacion de melamina.
RO81924A (ro) Procedeu de obtinere a 4-clor 5-amino-2fenil-3(2h)-piridazinone
GB1007873A (en) Process for the manufacture of boric acid from calcium borate ores
JPS51131497A (en) Treating method of mother liquor formed at the production of sodium di thionite
ES452632A1 (es) Procedimiento para la obtencion del bis(p-clorofenoxiisobu- tirato) de hidroxialuminio.
GB1435823A (en) Production of pure 1-amino-4-nitroanthraquinone-2-carboxylic acid
ES380578A3 (es) Un procedimiento para la purificacion de heparina cruda.
ES382561A1 (es) Procedimiento para la produccion de benzotiazil - sulfena- midas sustancialmente puras.
FR2090006A5 (en) Ammonium sulphate crystal preparation
ES469528A1 (es) Mejoras en un procedimiento para la obtencion de acido 7- amino-3-(((2-metil-1,3,4-tiadiazol-5-il)-tio)-metil)-3-cefem-4-carboxilico
ES397177A2 (es) Procedimiento para la disminucion del contenido de tiourea de tiocianatos alcalinos y alcalino-terreos.
FR2195694A1 (en) Decopperizing lead - using caustic alkali and pyrite
JPS52138090A (en) Treatment of mother liquor from production of anhydrous sodium dithionite