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
Authority: ES; Spain
Prior art keywords: mother liquor; anhydrous sodium; production; treating; sodium dithionite
Prior art date: 1975-05-21
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

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.)

1975-05-21

Filing date

1976-05-19

Publication date

1977-07-01

1975-05-21 Priority claimed from JP50059569A external-priority patent/JPS51136596A/ja

1975-05-21 Priority claimed from JP50059570A external-priority patent/JPS51136597A/ja

1976-05-19 Application filed by Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc

1977-07-01 Publication of ES448077A1 publication Critical patent/ES448077A1/es

Status Expired legal-status Critical Current

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-)

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

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 (5)

* 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
RU2151098C1 (ru) *	1999-09-07	2000-06-20	Гайсин Ленар Гайнуллович	Способ получения безводного тиосульфата натрия
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

1976
- 1976-05-19 ES ES448077A patent/ES448077A1/es not_active Expired
- 1976-05-19 GB GB2065976A patent/GB1504087A/en not_active Expired
- 1976-05-21 FR FR7615369A patent/FR2311752A1/fr active Granted
- 1976-05-21 DE DE19762622952 patent/DE2622952C3/de not_active Expired

Also Published As

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

Similar Documents

Publication	Publication Date	Title
GB1409586A (en)	1975-10-08	Process for the removal of hemicellulose from hemicellulose- containing caustic liquors obtained in the treatment of cellulose-
ES448077A1 (es)	1977-07-01	Un procedimiento para tratar las aguas madres en la produc- cion de ditionito sodico anhidro.
GB1073488A (en)	1967-06-28	Improvements in contact for direct receptionof printed circuit board
ATE3879T1 (de)	1983-07-15	Herstellung von fructose und nuetzliche nebenprodukte.
GB1485067A (en)	1977-09-08	Effluent treatment process
ES420775A1 (es)	1976-11-16	Un procedimiento para la purificacion de soluciones acuosasde citrato sodico.
US1815328A (en)	1931-07-21	Process of recovering and utilizing the valuable compounds in spent cooking liquors
ES421512A1 (es)	1976-05-01	Procedimiento para la preparacion de azul de prusia.
US2592266A (en)	1952-04-08	Preparation of glucuronic acid and derivatives thereof
FI810936L (fi)	1981-05-01	Foerfarande foer framstaellning av 4-klor-5-amino-2-fenyl-3(2h)-pyridazinon och ammoniak
ES428937A1 (es)	1976-09-01	Un procedimiento mejorado para la purificacion de acido sulfurico acuoso.
ES447847A1 (es)	1977-07-16	Un procedimiento para producir continuamente ditionito sodi-co anhidro en la forma de granulos grandes.
ES304963A1 (es)	1965-03-16	Metodo de purificacion de melamina.
GB1007873A (en)	1965-10-22	Process for the manufacture of boric acid from calcium borate ores
JPS51131497A (en)	1976-11-15	Treating method of mother liquor formed at the production of sodium di thionite
ES452632A1 (es)	1977-10-01	Procedimiento para la obtencion del bis(p-clorofenoxiisobu- tirato) de hidroxialuminio.
ES382561A1 (es)	1973-05-01	Procedimiento para la produccion de benzotiazil - sulfena- midas sustancialmente puras.
ES449125A1 (es)	1977-07-01	Un procedimiento mejorado para recuperar cal de una solucionacuosa de hipoclorito de calcio.
ES399723A1 (es)	1974-11-16	Proceso acelerado de produccion de oxicloruro de cobre.
FR2090006A5 (en)	1972-01-07	Ammonium sulphate crystal preparation
FR1605319A (en)	1974-08-02	Carcinostatic substance from alkali extn of graminaceae
ES397177A2 (es)	1974-05-01	Procedimiento para la disminucion del contenido de tiourea de tiocianatos alcalinos y alcalino-terreos.
FR2195694A1 (en)	1974-03-08	Decopperizing lead - using caustic alkali and pyrite
GB1435823A (en)	1976-05-19	Production of pure 1-amino-4-nitroanthraquinone-2-carboxylic acid
JPS55158128A (en)	1980-12-09	Treatment of indium hydroxide precipitate containing coexistent other metal component