Silver catalyst

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

502344, 502348, B01J 2350

Patent

active

054078881

ABSTRACT:
A silver catalyst containing one or more alkali metals and also tungsten as promotors for the direct oxidation of ethylene with oxygen to form ethylene oxide, on a porous support substantially consisting of .alpha.-aluminum oxide and having a specific surface area (BET) of from 0.3 to 3 m.sup.2 /g, which contains tungsten in a concentration of from 60 to 330 ppmwt, based on the total catalyst, per m.sup.2 of surface area for each gram of supporting material.

REFERENCES:
patent: 2294383 (1942-09-01), Carter
patent: 3172893 (1965-03-01), Ameen
patent: 3423328 (1969-01-01), Keith et al.
patent: 3962136 (1976-06-01), Nielson et al.
patent: 4007135 (1977-02-01), Hayden et al.
patent: 4732918 (1988-03-01), Lohmueller et al.
patent: 4740493 (1988-04-01), Boehning et al.
patent: 4820675 (1989-04-01), Lauritzen
patent: 4908343 (1990-03-01), Bhasin
patent: 5057481 (1991-10-01), Bhasin
Brunauer et al., J. Am. Chem. Soc., vol. 60, pp. 309-319 (1938).
Ullmann's Encyclopedia of Industrial Chemistry, 5th Ed., vol. 10A, pp. 117-135 (1987).

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

Silver catalyst does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Silver catalyst, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Silver catalyst will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-67071

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