NL1000834C2 - Werkwijze voor de bereiding van watervrij natriumcarbonaat. - Google Patents

Werkwijze voor de bereiding van watervrij natriumcarbonaat.

Info

Publication number: NL1000834C2
Authority: NL; Netherlands
Prior art keywords: preparation; sodium carbonate; anhydrous sodium; anhydrous; carbonate
Prior art date: 1994-07-19

Application number

NL1000834A

Other languages

English (en)

Other versions

NL1000834A1 (nl

Inventor

Philippe Warney

Original Assignee

Solvay

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.)

1994-07-19

Filing date

1995-07-18

Publication date

1996-06-17

1995-07-18 Application filed by Solvay filed Critical Solvay

1996-01-19 Publication of NL1000834A1 publication Critical patent/NL1000834A1/nl

1996-06-17 Application granted granted Critical

1996-06-17 Publication of NL1000834C2 publication Critical patent/NL1000834C2/nl

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D7/00—Carbonates of sodium, potassium or alkali metals in general
- C01D7/35—Varying the content of water of crystallisation or the specific gravity

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Inorganic Chemistry (AREA)
Drying Of Solid Materials (AREA)
Saccharide Compounds (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

NL1000834A 1994-07-19 1995-07-18 Werkwijze voor de bereiding van watervrij natriumcarbonaat. NL1000834C2 (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR9409013A FR2722772B1 (fr)	1994-07-19	1994-07-19	Procede de fabrication de carbonate de sodium anhydre

Publications (2)

Publication Number	Publication Date
NL1000834A1 NL1000834A1 (nl)	1996-01-19
NL1000834C2 true NL1000834C2 (nl)	1996-06-17

Family

ID=9465599

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL1000834A NL1000834C2 (nl)	1994-07-19	1995-07-18	Werkwijze voor de bereiding van watervrij natriumcarbonaat.

Country Status (6)

Country	Link
US (1)	US5665327A (nl)
DE (1)	DE19526202B4 (nl)
FR (1)	FR2722772B1 (nl)
GB (1)	GB2291414B (nl)
IT (1)	IT1275522B (nl)
NL (1)	NL1000834C2 (nl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10206566C1 (de) *	2002-02-18	2003-10-30	Alexanderwerk Ag	Anlage für Umwandlung von Leichtsoda in Schwersoda im Monohydratverfahren
CN101158552B (zh) *	2007-10-12	2010-06-02	唐山三友化工股份有限公司	轻灰煅烧炉滚圈的更换方法
DE102008038570B4 (de)	2008-08-20	2010-08-19	Universität Kassel	Reaktor mit einem archimedischen Schraubenförderer
EP2223892A1 (en) *	2009-02-09	2010-09-01	Solvay SA	Process for producing gas from mineral ore
WO2013083226A1 (de) *	2011-12-09	2013-06-13	Merck Patent Gmbh	Porenarmes, wasserfreies natriumcarbonat

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB799251A (en) *	1955-08-19	1958-08-06	Solvay	Process for drying and/or calcining powdered, granular or similar materials
US2851792A (en) *	1955-04-27	1958-09-16	Dow Chemical Co	Drum dryer
US3336104A (en) *	1963-12-13	1967-08-15	Intermountain Res & Dev Corp	Continuous recycle heating process for the production of soda ash and alkali metal phosphates

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US336104A (en) *		1886-02-16		Half to william
US2666686A (en) *	1952-09-13	1954-01-19	Olin Mathieson	Production of sodium bicarbonate and ammonium chloride in modified ammonia-soda type process
GB1367719A (en) *	1972-03-27	1974-09-18	Ici Ltd	Carbonation of ammoniacal sodium chloride brine
US3838189A (en) *	1972-09-13	1974-09-24	Allied Chem	Two-stage process for producing soda ash from trona
US4639217A (en) *	1985-01-14	1987-01-27	Adams D Carlos	Countercurrent heat transfer device for solid particle streams

1994
- 1994-07-19 FR FR9409013A patent/FR2722772B1/fr not_active Expired - Fee Related
1995
- 1995-07-13 IT ITMI951499A patent/IT1275522B/it active IP Right Grant
- 1995-07-17 US US08/503,290 patent/US5665327A/en not_active Expired - Lifetime
- 1995-07-18 DE DE19526202A patent/DE19526202B4/de not_active Expired - Fee Related
- 1995-07-18 NL NL1000834A patent/NL1000834C2/nl not_active IP Right Cessation
- 1995-07-18 GB GB9514640A patent/GB2291414B/en not_active Expired - Fee Related

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2851792A (en) *	1955-04-27	1958-09-16	Dow Chemical Co	Drum dryer
GB799251A (en) *	1955-08-19	1958-08-06	Solvay	Process for drying and/or calcining powdered, granular or similar materials
US3336104A (en) *	1963-12-13	1967-08-15	Intermountain Res & Dev Corp	Continuous recycle heating process for the production of soda ash and alkali metal phosphates

Also Published As

Publication number	Publication date
US5665327A (en)	1997-09-09
NL1000834A1 (nl)	1996-01-19
GB2291414A (en)	1996-01-24
DE19526202B4 (de)	2007-07-05
DE19526202A1 (de)	1996-01-25
ITMI951499A0 (it)	1995-07-13
ITMI951499A1 (it)	1997-01-13
FR2722772A1 (fr)	1996-01-26
GB9514640D0 (en)	1995-09-13
IT1275522B (it)	1997-08-07
FR2722772B1 (fr)	1996-09-27
GB2291414B (en)	1998-04-22

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Legal Events

Date	Code	Title	Description
1996-03-01	AD1A	A request for search or an international type search has been filed
1996-06-03	RD2N	Patents in respect of which a decision has been taken or a report has been made (novelty report)
1996-08-01	PD2B	A search report has been drawn up
2006-04-03	VD1	Lapsed due to non-payment of the annual fee	Effective date: 20060201