BE858649A - Separation de selenium a partir de solutions d'urethane - Google Patents

Separation de selenium a partir de solutions d'urethane

Info

Publication number
BE858649A
BE858649A BE180866A BE180866A BE858649A BE 858649 A BE858649 A BE 858649A BE 180866 A BE180866 A BE 180866A BE 180866 A BE180866 A BE 180866A BE 858649 A BE858649 A BE 858649A
Authority
BE
Belgium
Prior art keywords
selenium
separation
urethane solutions
urethane
solutions
Prior art date
Application number
BE180866A
Other languages
English (en)
Original Assignee
Atlantic Richfield Co
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 Atlantic Richfield Co filed Critical Atlantic Richfield Co
Publication of BE858649A publication Critical patent/BE858649A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B19/00—Selenium; Tellurium; Compounds thereof
    • C01B19/001—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Water Treatments (AREA)
  • Extraction Or Liquid Replacement (AREA)
BE180866A 1976-09-29 1977-09-13 Separation de selenium a partir de solutions d'urethane BE858649A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/727,811 US4038377A (en) 1976-09-29 1976-09-29 Removal of selenium from urethane solutions

Publications (1)

Publication Number Publication Date
BE858649A true BE858649A (fr) 1978-03-13

Family

ID=24924168

Family Applications (1)

Application Number Title Priority Date Filing Date
BE180866A BE858649A (fr) 1976-09-29 1977-09-13 Separation de selenium a partir de solutions d'urethane

Country Status (8)

Country Link
US (1) US4038377A (fr)
JP (1) JPS5343031A (fr)
BE (1) BE858649A (fr)
CA (1) CA1088275A (fr)
DE (1) DE2743912A1 (fr)
ES (1) ES462016A1 (fr)
GB (1) GB1571243A (fr)
NL (1) NL7709436A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2413322A1 (fr) * 1977-12-27 1979-07-27 Atlantic Richfield Co Separation du selenium de solutions d'urethane

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2904929A1 (de) * 1979-02-09 1980-08-21 Bayer Ag Verfahren zur abtrennung von selen, selenverbindungen, schwefel und/oder schwefelverbindungen aus diese elemente bzw. verbindungen aufweisenden polyurethanen
US4321402A (en) * 1980-08-18 1982-03-23 Exxon Research & Engineering Co. Carbamate process
US8765518B1 (en) 2013-03-12 2014-07-01 International Business Machines Corporation Chalcogenide solutions
CN109319746B (zh) * 2018-11-14 2020-05-26 昆明理工大学 一种真空蒸馏-亚硫酸钠联合法提纯粗硒的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1915703A (en) * 1932-05-18 1933-06-27 Texas Co Recovery of spent selenium
US2406666A (en) * 1945-06-16 1946-08-27 Canadian Copper Refiners Ltd Process for making selenium dioxide
FR1441618A (fr) * 1965-04-26 1966-06-10 Electrochimie Soc Perfectionnements à la fabrication d'acides éthylèniques à partir d'aldéhydes non saturés
US3268294A (en) * 1965-06-10 1966-08-23 Edward S Roberts Process for producing selenium dioxide
FR1509084A (fr) * 1966-11-29 1968-01-12 Electro Chimie Soc D Procédé de récupération de sélénium iv utilisé comme catalyseur d'oxydation en solution

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2413322A1 (fr) * 1977-12-27 1979-07-27 Atlantic Richfield Co Separation du selenium de solutions d'urethane

Also Published As

Publication number Publication date
ES462016A1 (es) 1978-06-16
CA1088275A (fr) 1980-10-28
JPS5343031A (en) 1978-04-18
GB1571243A (en) 1980-07-09
US4038377A (en) 1977-07-26
NL7709436A (nl) 1978-03-31
DE2743912A1 (de) 1978-03-30

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