Method of making acid contacted enhanced aluminum oxide adsorbent particle
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01J-020/00
B01J-023/32
B01J-023/70
출원번호
US-0734331
(1996-10-21)
발명자
/ 주소
Moskovitz Mark L.
Kepner Bryan E.
출원인 / 주소
Project Earth Industries, Inc.
대리인 / 주소
Needle & Rosenberg, P.C.
인용정보
피인용 횟수 :
24인용 특허 :
41
초록▼
This invention relates to a process for producing an enhanced adsorbent particle comprising contacting a non-amorphous, non-ceramic, crystalline, porous, calcined, aluminum oxide particle that was produced by calcining at a particle temperature of from 400.degree. C. to 700.degree. C., with an acid
This invention relates to a process for producing an enhanced adsorbent particle comprising contacting a non-amorphous, non-ceramic, crystalline, porous, calcined, aluminum oxide particle that was produced by calcining at a particle temperature of from 400.degree. C. to 700.degree. C., with an acid for a sufficient time to increase the adsorbent properties of the particle. A process for producing an enhanced adsorbent particle comprising contacting a non-ceramic, porous, oxide adsorbent particle with an acid for a sufficient time to increase the adsorbent properties of the particle is also disclosed. Particles made by the process of the instant invention and particle uses, such as remediation of waste streams, are also provided.
대표청구항▼
[ What is claimed is:] [1.] A process for producing an acid enhanced adsorbent particle comprising contacting a particle comprising a non-amorphous, non-ceramic, crystalline, porous, calcined, aluminum oxide particle that was produced by calcining at a particle temperature of from 400.degree. C. to
[ What is claimed is:] [1.] A process for producing an acid enhanced adsorbent particle comprising contacting a particle comprising a non-amorphous, non-ceramic, crystalline, porous, calcined, aluminum oxide particle that was produced by calcining at a particle temperature of from 400.degree. C. to 700.degree. C., with a dilute acid for a sufficient time to increase the adsorbent properties of the particle, wherein the resultant acid treated aluminum oxide is not subsequently calcined, wherein the acid contacting is more than a surface wash but less than an etching of the particle. [56.] A process for producing an acid enhanced adsorbent particle consisting essentially of contacting a particle comprising a non-amorphous, non-ceramic, crystalline, porous, calcined, aluminum oxide particle that was produced by calcining at a particle temperature of from 400.degree. C. to 700.degree. C., with a dilute acid for a sufficient time to increase the adsorbent properties of the particle, wherein the resultant acid treated aluminum oxide is not subsequently calcined, wherein the acid contacting is more than a surface wash but less than an etching of the particle.
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