GB1438635A - Production of anhydrous sodium sulphate - Google Patents

Production of anhydrous sodium sulphate

Info

Publication number
GB1438635A
GB1438635A GB4249372A GB4249372A GB1438635A GB 1438635 A GB1438635 A GB 1438635A GB 4249372 A GB4249372 A GB 4249372A GB 4249372 A GB4249372 A GB 4249372A GB 1438635 A GB1438635 A GB 1438635A
Authority
GB
United Kingdom
Prior art keywords
slurry
anionic surfactant
sodium sulphate
anhydrous
anhydrous 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
Application number
GB4249372A
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.)
Akzo Nobel UK PLC
Original Assignee
Courtaulds PLC
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 Courtaulds PLC filed Critical Courtaulds PLC
Priority to GB4249372A priority Critical patent/GB1438635A/en
Priority to CA179,477A priority patent/CA986684A/en
Publication of GB1438635A publication Critical patent/GB1438635A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
    • C01D5/18—Dehydration
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
    • C01D5/16—Purification
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F13/00—Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like
    • D01F13/02—Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like of cellulose, cellulose derivatives or proteins
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Artificial Filaments (AREA)

Abstract

1438635 Anhydrous sodium sulphate COURTAULDS Ltd (Courtaulds (Canada) Ltd) 12 Sept 1973 [13 Sept 1972] 42493/72 Heading C1A An anhydrous Na 2 SO 4 is recovered from contaminated Glauber's salt by introducing it into an aqueous slurry of anhydrous Na 2 SO 4 , evaporating the water of crystallization from the slurry in a continuously circulating system and separating the resulting crystals; the slurry contains 0À1-0À22 moles of anionic surfactant per million parts of slurry. The Glauber's salt may be the crude salt crystallized from a viscose spinning bath containing an anionic surfactant. The concentration of the anionic surfactant may be reduced to the desired range by adding a cationic agent.
GB4249372A 1972-09-13 1972-09-13 Production of anhydrous sodium sulphate Expired GB1438635A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB4249372A GB1438635A (en) 1972-09-13 1972-09-13 Production of anhydrous sodium sulphate
CA179,477A CA986684A (en) 1972-09-13 1973-08-23 Production of anhydrous sodium sulphate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4249372A GB1438635A (en) 1972-09-13 1972-09-13 Production of anhydrous sodium sulphate

Publications (1)

Publication Number Publication Date
GB1438635A true GB1438635A (en) 1976-06-09

Family

ID=10424682

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4249372A Expired GB1438635A (en) 1972-09-13 1972-09-13 Production of anhydrous sodium sulphate

Country Status (2)

Country Link
CA (1) CA986684A (en)
GB (1) GB1438635A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108568133A (en) * 2018-05-25 2018-09-25 安徽金龙机械有限公司 A kind of anhydrous sodium sulphate evaporated crystallization device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100417594C (en) * 2005-12-22 2008-09-10 乌鲁木齐市华高商贸有限公司 Production process of large grain anhydrous sodium sulfate with natural salt lake mirabilite
CN101928020B (en) * 2010-05-21 2011-11-23 四川省川眉芒硝有限责任公司 Continuous crystallization manufacturing process of medicinal glauber salt

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108568133A (en) * 2018-05-25 2018-09-25 安徽金龙机械有限公司 A kind of anhydrous sodium sulphate evaporated crystallization device

Also Published As

Publication number Publication date
CA986684A (en) 1976-04-06

Similar Documents

Publication Publication Date Title
ES2004272A6 (en) Production of sodium chlorate
GB1484860A (en) Manufacture of boric acid
GB1438635A (en) Production of anhydrous sodium sulphate
GB1493796A (en) Recovery of sodium hydroxide and sodium chloride from electrolytic liquor
GB1524995A (en) Process for treating a residual product which contains sodium sulphate
GB1211984A (en) Crystallisation process for the purification of sodium carbonate-containing materials
GB1389698A (en) Process for the production of sodium carbonate monohydrate from a sodium hydroxide solution formed in the diaphragm process
GB1041408A (en) Improvements in or relating to the production of sodium bicarbonate
GB1246020A (en) Process for purification of sodium silicofluoride
GB1415453A (en) Composition and process for producing aquarium water having improved properties
GB1211417A (en) Process for the production of pure lactulose
GB1278519A (en) Production of sodium perborate
GB1229360A (en)
GB2009724A (en) Process for purifying crystalline potassium chloride
GB1322119A (en) Recovery of ammonium sulphate
SU437716A1 (en) The method of obtaining anhydrous sodium hydrosulfite
SE8404185D0 (en) PROCEDE POUR LA PREPARATION OF UNE SOLUTION AQUEUSE OF CHLORURE OF SODIUM AND PROCEDE OF FABRICATION OF BICARBONATE DE SODIUM
GB1299543A (en) Process for the continuous production of pure sorbic acid
GB1207239A (en) Method of producing sodium carbonate
ES382547A1 (en) Hydromagnesite having a modified morphology and method for the preparation thereof
SU1837586A1 (en) Method for production of potassium and sodium chlorides of sylvinite
GB1155957A (en) Phosphoric Acid Purification Process.
GB1208416A (en) Crystallization
GB1220009A (en) Process for the preparation of solid white sodium stannate from technical sodium stannate liquor
GB1520698A (en) Production of sodium sulphite

Legal Events

Date Code Title Description
416 Proceeding under section 16 patents act 1949
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees