Ultra-stable, high surface area alpha-alumina

Details Ultra-stable, high surface area alpha-alumina Ultra-stable, high surface area alpha-alumina

C - Chemistry, Metallurgy

01

F

252/1, 23/240

C01F 7/02 (2006.01) B01J 21/04 (2006.01) B01J 37/00 (2006.01)

Patent

CA 1122189

(U.S. 927,827) ABSTRACT OF THE DISCLOSURE The preparation of an ultra-stable, high surface area alpha- alumina catalyst and catalyst support suitable for use in high temperature processes such as petroleum refining processes, e.g., resid cat cracking and steam reforming, is disclosed. The process comprises impregnating high surface area gamma-alumina having narrow pores with a carbonaceous material that readily chars to form carbon, The impregnated alumina is then heated to a temperature sufficient to induce charring, following which the gamma- alumina is converted to alpha-alumina by further heating. The carbon is subsequently removed by oxidation. The alpha-alumina thus produced can withstand temperatures up to at least about 1000°C. in the presence of steam without substantial loss of surface area.

331180

Affiliated with

Also associated with

Rating

Ultra-stable, high surface area alpha-alumina does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Ultra-stable, high surface area alpha-alumina, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ultra-stable, high surface area alpha-alumina will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-748221