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특허 상세정보

Method of presulfurizing a hydrotreating, hydrocracking or tail gas treating catalyst

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01J-027/04   
미국특허분류(USC) 502/219 ; 502/150 ; 502/216 ; 502/220
출원번호 US-0548570 (1995-10-26)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 123  인용 특허 : 14
초록

The invention relates to an improved method of presulfurizing a sulfidable metal oxide(s)-containing catalyst which minimizes sulfur stripping upon start-up of a reactor and improves catalyst activity. The method consists of contacting a sulfidable metal oxide(s)-containing catalyst with elemental sulfur at a temperature such that said elemental sulfur is substantially incorporated in the pores of said catalyst by sublimation and/or melting and heating the sulfur-incorporated catalyst in the presence of a liquid olefinic hydrocarbon at a temperature grea...

대표
청구항

A method of presulfurizing a sulfidable metal oxide(s)-containing catalyst which comprises: (a) contacting said catalyst with a mixture of powdered elemental sulfur and a liquid olefinic hydrocarbon to produce a treated-catalyst; and (b) heating the treated-catalyst at an effective temperature to react the olefinic hydrocarbon and to provide a sulfurized catalyst that is more resistant to sulfur leaching than one not contacted with an olefin.

이 특허에 인용된 특허 (14)

  1. Lang Robert J. (Baytown TX) Culross Claude C. (Baton Rouge LA) Vernon Lonnie W. (Baytown TX) Winter William E. (Baton Rouge LA). Catalyst composition prepared by vapor depositing onto a carbon support. USP1991095051389.
  2. Thompson, Mark S.; Adams, Charles T.. Hydrodenitrification catalyst. USP1985104548920.
  3. Chen Nai Yuen (Titusville NJ) Huang Tracy J. (Lawrenceville NJ). Hydroprocessing catalyst. USP1987064672049.
  4. Herrington Daniel R. (Chesterland OH) Schwerko Albert P. (Solon OH). Hydrotreating process utilizing elemental sulfur for presulfiding the catalyst. USP1979124177136.
  5. Bearden ; Jr. Roby (Baton Rouge LA) Aldridge Clyde L. (Baton Rouge LA). Method of preparing a sulfided molybdenum catalyst concentrate. USP1991105053376.
  6. Seamans James D. (1 Cormac Ct. Reisterstown MD 21136) Welch James G. (107 Fireside Cir. Baltimore MD 21212) Gasser Neal G. (508 Windy Knoll Dr. Mt. Airy MD 21771). Method of presulfiding a hydrotreating catalyst. USP1990074943547.
  7. Seamans James D. (Reisterstown MD) Welch James G. (Baltimore MD) Gasser Neal G. (Mt. Airy MD) Adams Charles T. (Houston TX). Method of presulfiding a hydrotreating, hydrocracking or tail gas treating catalyst. USP1991085041404.
  8. Seamans James D. (Woodlands TX) Adams Charles T. (Houston TX) Dominguez Wendy B. (Rosenberg TX) Chen Andrew A. (Houston TX). Method of presulfurizing a hydrotreating, hydrocracking or tail gas treating catalyst. USP1993065215954.
  9. Kukes Semyon (Bartlesville OK). Olefin disproportionation and catalyst therefor. USP1983014368141.
  10. Seamans James D. (Woodlands TX) Adams Charles T. (Houston TX) Dominguez Wendy B. (Rosenberg TX) Chen Andrew A. (Houston TX). Presulfurized hydrotreating, hydrocracking or tail gas treating catalyst. USP1994035292702.
  11. Kittrell ; James R. ; Herman ; Donald L.. Process for the catalytic reduction of nitric oxide. USP1978054089930.
  12. Seamans James D. (Woodlands TX) Adams Charles T. (Houston TX) Dominguez Wendy B. (Rosenberg TX) Chen Andrew A.-J. (Houston TX). Process of hydrotreating and/or hydrocracking hydrocarbon streams or tail gas treating sulfur-containing gas streams. USP1995115468372.
  13. Berrebi Georges (Valence FRX). Process of presulfurizing catalysts for hydrocarbons treatment. USP1985074530917.
  14. Seiver Robert L. (Baton Rouge LA) Chianelli Russell R. (Sommerville NJ). Supported carbon-containing molybdenum and tungsten sulfide catalysts, their preparation and use. USP1984024431747.

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