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Browse by Category: Main > Chemistry
Class Information
Number: 502/421
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Solid sorbent > Free carbon containing > Process utilizing solid or liquid source carbonizable material, or product thereof > Including recycling product or intermediate thereof to prior stage of process
Description: Processes wherein at least a portion of a product is used in an earlier stage of the process.










Patents under this class:

Patent Number Title Of Patent Date Issued
8076258 Method and apparatus for making recyclable catalysts Dec. 13, 2011
7981835 System and method for coproduction of activated carbon and steam/electricity Jul. 19, 2011
7879136 Magnetic activated carbon and the removal of contaminants from fluid streams Feb. 1, 2011
7288503 Apparatus and method for producing activated carbon Oct. 30, 2007
6916891 Attrition resistant inorganic microspheroidal particles Jul. 12, 2005
6200364 Process for eluting precious metals from activated carbon Mar. 13, 2001
4475986 Stable activated carbon process using a moving grate stoker furnace Oct. 9, 1984
4242225 Method and apparatus for producing active coke Dec. 30, 1980
4139416 Carbonaceous material with high characteristics of surface area and activity and process for producing the same Feb. 13, 1979
4122036 Method of pyrolyzing sewage sludge to produce activated carbon Oct. 24, 1978











 
 
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