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96/05986 The preparation of active carbons from coal by chemical and physical activation

Publisher
Elsevier Science
Year
1996
Weight
190 KB
Volume
37
Category
Article
ISSN
0140-6701

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The preparation of active carbons from c
The preparation of active carbons from coal by chemical and physical activation
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A series of activated carbons was prepared from bituminous coal by chemical activation with potassium hydroxide and zinc chloride and also by physical activation with carbon dioxide. The effect of process variables such as carbonization time, temperature, particle size, chemical agents, method of mi

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Active carbon spheres were prepared by chemical activation using acid-pretreated resin beads, composed of sulfonated polystyrene divinylbenzene. Carbonization and activation were carried out simultaneously at various temperature ranges from 200 to 900 ยฐC for 4 h, under gentle fluidization conditions