FR990016A - Perfectionnements à la récupération et à la purification de produits chimiques provenant de bains de filage de la viscose - Google Patents

Perfectionnements à la récupération et à la purification de produits chimiques provenant de bains de filage de la viscose

Info

Publication number
FR990016A
FR990016A FR990016DA FR990016A FR 990016 A FR990016 A FR 990016A FR 990016D A FR990016D A FR 990016DA FR 990016 A FR990016 A FR 990016A
Authority
FR
France
Prior art keywords
chemicals
purification
recovery
viscose spinning
spinning baths
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
Other languages
English (en)
French (fr)
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
Application granted granted Critical
Publication of FR990016A publication Critical patent/FR990016A/fr
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
    • 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)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR990016D 1948-07-02 1949-07-01 Perfectionnements à la récupération et à la purification de produits chimiques provenant de bains de filage de la viscose Expired FR990016A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB17869/48A GB646111A (en) 1948-07-02 1948-07-02 Process for producing anhydrous sodium sulphate from glauber's salt

Publications (1)

Publication Number Publication Date
FR990016A true FR990016A (fr) 1951-09-17

Family

ID=10102640

Family Applications (1)

Application Number Title Priority Date Filing Date
FR990016D Expired FR990016A (fr) 1948-07-02 1949-07-01 Perfectionnements à la récupération et à la purification de produits chimiques provenant de bains de filage de la viscose

Country Status (6)

Country Link
US (1) US2592139A (da)
BE (1) BE489948A (da)
DE (1) DE853937C (da)
FR (1) FR990016A (da)
GB (1) GB646111A (da)
NL (1) NL70236C (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL282796A (da) * 1961-09-07
US4209312A (en) * 1976-07-19 1980-06-24 General Electric Company Controlling size in Glauber's salt crystal formation
IL51692A (en) * 1977-03-18 1981-05-20 Sadan Abraham Process for dehydrating hydrated salts in solar ponds
IL56510A (en) * 1979-01-26 1982-04-30 Solmat Syst Method of utilizing solar ponds for effecting controlled temperature changes of solution
CN111533142B (zh) * 2020-06-04 2022-12-09 新疆中泰化学阜康能源有限公司 加热析出元明粉降温结晶浓缩的循环生产方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US400983A (en) * 1889-04-09 Apparatus for the manufacture of salt
US1004858A (en) * 1907-11-11 1911-10-03 Dow Chemical Co Method of producing crystals.
FR518671A (fr) * 1918-06-25 1921-05-28 Balcke Ag Maschbau Dispositif de refroidissement des solutions salines chaudes
DE444048C (de) * 1923-08-29 1927-05-14 Bernhard Young Dr Verfahren zur Herstellung von trockenem Natriumsulfat aus Glaubersalz in einem Arbeitsgang
DE424983C (de) * 1924-10-04 1926-02-10 Waldemar Recha Dipl Ing Verfahren zur kontinuierlichen Herstellung von wasserfreiem Natriumsulfat
DE478987C (de) * 1924-10-04 1929-07-08 Waldemar Recha Dipl Ing Verfahren zur kontinuierlichen Herstellung von trockenem Natriumsulfat aus Glaubersalz
US2121208A (en) * 1935-03-30 1938-06-21 American Agricultural Chem Co Production of monocalcium phosphate
GB448007A (en) * 1935-04-26 1936-05-29 Int Paper Co Improvements in or relating to thermal insulation and process of making the same
DE662448C (de) * 1935-10-03 1938-07-13 Zahn & Co G M B H Verfahren zur Entwaesserung von schmelzbaren Salzen, z. B. Glaubersalz, in Drehrohren
DE710373C (de) * 1937-04-13 1941-09-11 I G Farbenindustrie Akt Ges Verfahren zur Regenerierung von Ammoniumsulfat und Natriumsulfat enthaltenden Viskosespinnbaedern
US2374004A (en) * 1941-12-02 1945-04-17 American Viscose Corp Glauber's salt conversion
BE452848A (da) * 1942-10-26
US2459302A (en) * 1942-12-10 1949-01-18 American Viscose Corp Concentration of salts having minimum solubilities at temperatures above those of the initial solutions
US2504097A (en) * 1948-08-30 1950-04-11 West End Chemical Company Process for producing anhydrous sodium sulfate

Also Published As

Publication number Publication date
NL70236C (da) 1900-01-01
US2592139A (en) 1952-04-08
GB646111A (en) 1950-11-15
DE853937C (de) 1952-10-30
BE489948A (da) 1900-01-01

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