GB1176661A - Apparatus and Process for the Recovery of Selenium from Refinery Slimes. - Google Patents

Apparatus and Process for the Recovery of Selenium from Refinery Slimes.

Info

Publication number
GB1176661A
GB1176661A GB1989166A GB1989166A GB1176661A GB 1176661 A GB1176661 A GB 1176661A GB 1989166 A GB1989166 A GB 1989166A GB 1989166 A GB1989166 A GB 1989166A GB 1176661 A GB1176661 A GB 1176661A
Authority
GB
United Kingdom
Prior art keywords
selenium
refinery
reaction
slime
pellets
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
GB1989166A
Inventor
Nickolas John Themelis
Jean Yannopoulos
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.)
Noranda Inc
Original Assignee
Noranda 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.)
Filing date
Publication date
Application filed by Noranda Inc filed Critical Noranda Inc
Priority to GB1989166A priority Critical patent/GB1176661A/en
Publication of GB1176661A publication Critical patent/GB1176661A/en
Expired legal-status Critical Current

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
    • C01B19/004—Oxides; Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/50—Agglomerated particles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

1,176,661. Extracting selenium compounds; selenium dioxide. NORANDA MINES Ltd. 26 April, 1967 [5 May, 1966], No. 19891/66. Heading C1A. Selenium is recovered from refinery slime, e.g. copper refinery slime, by heating agglomerates thereof in an oxidizing atmosphere in a first reaction zone at below 400‹ C. to oxidize selenium and selenium compounds without causing further agglomeration, and heating at 600-800‹ C. in a second reaction zone to volatilize selenium dioxide. The agglomerates may be pellets or briquettes of diameter 0À25- 0À75 inch and need not incorporate a binder. The reaction may take place in a rotary kiln through which pellets are gradually forwarded. The oxidizing atmosphere may be air or oxygen and may flow continuously through both reaction zones; oxygen if used may be recirculated after scrubbing out selenium dioxide. The second zone may be at 700-750‹ C. Aciddigested slimes may be treated by the process after removal of lead, copper and tellurium.
GB1989166A 1966-05-05 1966-05-05 Apparatus and Process for the Recovery of Selenium from Refinery Slimes. Expired GB1176661A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1989166A GB1176661A (en) 1966-05-05 1966-05-05 Apparatus and Process for the Recovery of Selenium from Refinery Slimes.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1989166A GB1176661A (en) 1966-05-05 1966-05-05 Apparatus and Process for the Recovery of Selenium from Refinery Slimes.

Publications (1)

Publication Number Publication Date
GB1176661A true GB1176661A (en) 1970-01-07

Family

ID=10136894

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1989166A Expired GB1176661A (en) 1966-05-05 1966-05-05 Apparatus and Process for the Recovery of Selenium from Refinery Slimes.

Country Status (1)

Country Link
GB (1) GB1176661A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0021744A1 (en) * 1979-06-14 1981-01-07 Inco Limited Process for the recovery of selenium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0021744A1 (en) * 1979-06-14 1981-01-07 Inco Limited Process for the recovery of selenium
US4358430A (en) * 1979-06-14 1982-11-09 Inco Limited Process for treatment of selenium-bearing materials

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