SO2 adsorption characteristic of semi-coke impregnated with metals.
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概要
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Activated carbon is used generally for removing SO<SUB>2</SUB> in the flue gas. The SO<SUB>2</SUB> adsorption capacity, however, gradually decreases by repeating the adsorption-regeneration. In case of semi-coke, the absolute SO<SUB>2</SUB> adsorption capacity is not so high as activated carbon, but its adsorption capacity gradually increases by repeating the adsorption-regeneration.<BR>In this study, the method of making more efficient adsorbent from coal has been investigated. Raw coal was pre-oxidized and impregnated with metal . This coal was carbonized between 1023 to 1123 K and the semi-coke was made . It was found that this semi-coke showed higher SO<SUB>2</SUB> adsorption capacity and slower decrease of its capacity by repeating the adsorption-regeneration comparing with conventional semi-coke.
- 一般社団法人 日本エネルギー学会の論文
一般社団法人 日本エネルギー学会 | 論文
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