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Method for stabilizing catalyst activity during MTO unit operation 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01J-020/34
  • B01J-020/30
  • B01J-027/182
  • B01J-027/14
  • C07C-006/00
  • C07C-001/00
출원번호 US-0363325 (2006-02-27)
등록번호 US-7355086 (2008-04-08)
발명자 / 주소
  • Fung,Shun C.
  • Hall,Richard B.
  • Kochkar,Hafedh
  • Strohmaier,Karl G.
  • Coute,Nicolas P.
  • Clem,Kenneth R.
출원인 / 주소
  • ExxonMobil Chemical Patents Inc.
인용정보 피인용 횟수 : 0  인용 특허 : 42

초록

A method for maintaining the activity of silicoaluminophosphate (SAPO) molecular sieve catalyst particles during oxygenate to olefin conversion reactions. After regeneration of SAPO catalyst particles, the regenerated particles are mixed with particles having coke on their surface in a manner that m

대표청구항

We claim: 1. A process for forming polyolefins, comprising: a) converting an oxygenate feedstock into olefins by exposing the oxygenate feedstock to silicoaluminophosphate molecular sieve catalyst particles; b) regenerating silicoaluminophosphate molecular sieve catalyst particles to contain less t

이 특허에 인용된 특허 (42)

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  2. Luckenbach Edward C. (Mountainside NJ), Apparatus for regeneration of spent cracking catalyst.
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  9. Miller, Lawrence W., Fast-fluidized bed reactor for MTO process.
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  11. Hammershaimb Harold U. (Western Springs IL) Spinner Joel B. (Chicago IL), HF alkylation and selective hydrogenation process.
  12. Fung, Shun C.; Janssen, Marcel J. G.; Vaughn, Stephen N.; Mertens, Machteld M.; Schweizer, Albert Edward; Martens, Luc R. M.; Hall, Richard B.; Mortier, Wilfried J.; Searle, Ronald G.; Xiong, Yi-Gang, Heat treating a molecular sieve and catalyst.
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