Catalyst – solid sorbent – or support therefor: product or process – Biospecific material – or produced by enzyme or microorganism
Patent
1992-12-21
1995-03-07
Dees, Carl F.
Catalyst, solid sorbent, or support therefor: product or process
Biospecific material, or produced by enzyme or microorganism
502 62, 502 63, 435 4, 435176, B01J 2116, B01J 3510, C12Q 100
Patent
active
053958080
ABSTRACT:
Porous bodies are produced which are suitable for use as supports for catalysts, including living cells, such as bacteria. The bodies have a significantly large average pore diameter of about 0.5 to 100 microns, (i.e. 5,000 to 1,000,000 .ANG.) and a total pore volume of about 0.1 to 1.5 cc/g with the large pores contributing a pore volume of from about 0.1 to 1.0 cc/g. The bodies are made by preparing a mixture of ultimate particles of bound clay, one or more optional ingredients such as inorganic binders, extrusion or forming aids, burnout agents, or a forming liquid, such as water. In a preferred embodiment, the ultimate particles are formed by spray drying.
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Beeckman & Hegedus "Design of Monolith Catalysts for Power Plant NOx Emission Control," in Industrial & Engineering Chemistry Research, vol. 29, pp. 969-978, 1991.
Miller James G.
Wax Michael J.
Wormsbecher Richard F.
Dees Carl F.
Johnson Beverly K.
W. R. Grace & Co.,-Conn.
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