Catalyst composition for oxidation of ethylene to ethylene oxide

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Sulfur or compound containing same

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

B01J 27055, B01J 2350, B01J 2368

Patent

active

051028484

ABSTRACT:
Catalysts for the epoxidation of ethylene in the vapor phase comprise silver impregnated support having thereon at least one cation promoter and oxyanion promoter comprising (i) sulfate anion, (ii) fluoride anion and (iii) oxyanion of an element of Group 3b to 6b, inclusive, of the Periodic Table, wherein the amount of fluoride anion is sufficient to reduce ethylene oxide burning.

REFERENCES:
patent: 2671764 (1954-03-01), Sacken
patent: 4123385 (1978-10-01), Rebsdat et al.
patent: 4248740 (1981-02-01), Mitsuhata et al.
patent: 4414135 (1983-11-01), Nojiri et al.
patent: 4419276 (1983-12-01), Bhasin et al.
patent: 4455392 (1984-06-01), Warner et al.
patent: 4701437 (1987-10-01), Boxhoorn et al.
patent: 4766105 (1988-08-01), Lauritzen
patent: 4783437 (1988-11-01), Boxhoorn
patent: 4806518 (1989-02-01), Boxhoorn et al.
patent: 4808738 (1989-02-01), Lauritzen
patent: 4820675 (1989-04-01), Lauritzen
patent: 4829044 (1989-05-01), Boxhoorn et al.
patent: 4833261 (1989-05-01), Lauritzen
patent: 4874739 (1989-10-01), Boxhoorn
patent: 4908343 (1990-03-01), Bhasin
patent: 4908343 (1990-03-01), Bhasin
patent: 4916243 (1990-04-01), Bhasin et al.
Kirk-Othmer, Encyclopedia of Chemical Technology, 3rd ed., 1980, Wiley & Sons, Inc., vol. 10, pp. 812-817.
U.S. Ser. No. 251,814, filed Oct. 3, 1988.
British Patent Specification 590,479.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Catalyst composition for oxidation of ethylene to ethylene oxide does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Catalyst composition for oxidation of ethylene to ethylene oxide, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Catalyst composition for oxidation of ethylene to ethylene oxide will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1895198

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.