Effect of cooling rate of KOH activation process on activated carbons
Activated carbon was fabricated from rice husks by KOH activation. The effect of the initial cooling rate of activation on the pore structure in the activated carbon fabricated by KOH activation was investigated. The specific surface area of the activated carbon increased from 1813 to 2418 m2/g with...
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| Veröffentlicht in: | Transactions of the Materials Research Society of Japan 2012/03/01, Vol.37(1), pp.57-60 |
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| container_title | Transactions of the Materials Research Society of Japan |
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| creator | Tanaka, Hiroe Toda, Ikumi Maruyama, Hayato Ono, Hiroki Ohshio, Shigeo Akasaka, Hiroki Tanaka, Yoshihisa Himeno, Syuji Kokubu, Toshinori Saitoh, Hidetoshi |
| description | Activated carbon was fabricated from rice husks by KOH activation. The effect of the initial cooling rate of activation on the pore structure in the activated carbon fabricated by KOH activation was investigated. The specific surface area of the activated carbon increased from 1813 to 2418 m2/g with increasing the cooling rate from 3 to 32 ºC/min. The micropore diameter in the activated carbons was distributed approximately 0.6 and 1.1 nm. The micropore volume increased from 0.86 to 1.29 cm3/g with increasing initial cooling rate. The proportion of the volume Vmicro to the total pore volume Vtotal was calculated to be in the range from 90 to 96 %. Thus, the micropore structure of the activated carbon was strongly affected on the initial cooling rate on alkali activation. |
| doi_str_mv | 10.14723/tmrsj.37.57 |
| format | Article |
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The effect of the initial cooling rate of activation on the pore structure in the activated carbon fabricated by KOH activation was investigated. The specific surface area of the activated carbon increased from 1813 to 2418 m2/g with increasing the cooling rate from 3 to 32 ºC/min. The micropore diameter in the activated carbons was distributed approximately 0.6 and 1.1 nm. The micropore volume increased from 0.86 to 1.29 cm3/g with increasing initial cooling rate. The proportion of the volume Vmicro to the total pore volume Vtotal was calculated to be in the range from 90 to 96 %. Thus, the micropore structure of the activated carbon was strongly affected on the initial cooling rate on alkali activation.</description><identifier>ISSN: 1382-3469</identifier><identifier>EISSN: 2188-1650</identifier><identifier>DOI: 10.14723/tmrsj.37.57</identifier><language>eng</language><publisher>The Materials Research Society of Japan</publisher><subject>Activated Carbon ; KOH activation ; micro-pore ; Rice husk ; Specific surface area</subject><ispartof>Transactions of the Materials Research Society of Japan, 2012/03/01, Vol.37(1), pp.57-60</ispartof><rights>2012 The Materials Research Society of Japan</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3407-474424558c521616f7ae55db053f062dcd7a9625f07d89991135f1d96a7f477d3</citedby><cites>FETCH-LOGICAL-c3407-474424558c521616f7ae55db053f062dcd7a9625f07d89991135f1d96a7f477d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,4024,27923,27924,27925</link.rule.ids></links><search><creatorcontrib>Tanaka, Hiroe</creatorcontrib><creatorcontrib>Toda, Ikumi</creatorcontrib><creatorcontrib>Maruyama, Hayato</creatorcontrib><creatorcontrib>Ono, Hiroki</creatorcontrib><creatorcontrib>Ohshio, Shigeo</creatorcontrib><creatorcontrib>Akasaka, Hiroki</creatorcontrib><creatorcontrib>Tanaka, Yoshihisa</creatorcontrib><creatorcontrib>Himeno, Syuji</creatorcontrib><creatorcontrib>Kokubu, Toshinori</creatorcontrib><creatorcontrib>Saitoh, Hidetoshi</creatorcontrib><title>Effect of cooling rate of KOH activation process on activated carbons</title><title>Transactions of the Materials Research Society of Japan</title><addtitle>Trans. Mat. Res. Soc. Japan</addtitle><description>Activated carbon was fabricated from rice husks by KOH activation. The effect of the initial cooling rate of activation on the pore structure in the activated carbon fabricated by KOH activation was investigated. The specific surface area of the activated carbon increased from 1813 to 2418 m2/g with increasing the cooling rate from 3 to 32 ºC/min. The micropore diameter in the activated carbons was distributed approximately 0.6 and 1.1 nm. The micropore volume increased from 0.86 to 1.29 cm3/g with increasing initial cooling rate. The proportion of the volume Vmicro to the total pore volume Vtotal was calculated to be in the range from 90 to 96 %. Thus, the micropore structure of the activated carbon was strongly affected on the initial cooling rate on alkali activation.</description><subject>Activated Carbon</subject><subject>KOH activation</subject><subject>micro-pore</subject><subject>Rice husk</subject><subject>Specific surface area</subject><issn>1382-3469</issn><issn>2188-1650</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNpFkM1KAzEUhYMoWGp3PkAewBnzf2c2gpTRioVudB3S_NQZ2klJguDbW9tSV-eec797Fwehe0pqKoDxx7JLeag51BKu0ITRpqmokuQaTShvWMWFam_RLOeBEEIJMNHICeq6ELwtOAZsY9z24wYnU_yff18tsLGl_zaljyPep2h9zvgwnlPvsDVpHcd8h26C2WY_O-sUfb50H_NFtVy9vs2fl5XlgkAlQAgmpGysZFRRFcB4Kd2aSB6IYs46MK1iMhBwTdu2lHIZqGuVgSAAHJ-ih9Nfm2LOyQe9T_3OpB9NiT62oI8taA5awgF_OuFDLmbjL7BJpbdb_8_S08FlYb9M0n7kv3g3ZpE</recordid><startdate>2012</startdate><enddate>2012</enddate><creator>Tanaka, Hiroe</creator><creator>Toda, Ikumi</creator><creator>Maruyama, Hayato</creator><creator>Ono, Hiroki</creator><creator>Ohshio, Shigeo</creator><creator>Akasaka, Hiroki</creator><creator>Tanaka, Yoshihisa</creator><creator>Himeno, Syuji</creator><creator>Kokubu, Toshinori</creator><creator>Saitoh, Hidetoshi</creator><general>The Materials Research Society of Japan</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>2012</creationdate><title>Effect of cooling rate of KOH activation process on activated carbons</title><author>Tanaka, Hiroe ; Toda, Ikumi ; Maruyama, Hayato ; Ono, Hiroki ; Ohshio, Shigeo ; Akasaka, Hiroki ; Tanaka, Yoshihisa ; Himeno, Syuji ; Kokubu, Toshinori ; Saitoh, Hidetoshi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3407-474424558c521616f7ae55db053f062dcd7a9625f07d89991135f1d96a7f477d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Activated Carbon</topic><topic>KOH activation</topic><topic>micro-pore</topic><topic>Rice husk</topic><topic>Specific surface area</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tanaka, Hiroe</creatorcontrib><creatorcontrib>Toda, Ikumi</creatorcontrib><creatorcontrib>Maruyama, Hayato</creatorcontrib><creatorcontrib>Ono, Hiroki</creatorcontrib><creatorcontrib>Ohshio, Shigeo</creatorcontrib><creatorcontrib>Akasaka, Hiroki</creatorcontrib><creatorcontrib>Tanaka, Yoshihisa</creatorcontrib><creatorcontrib>Himeno, Syuji</creatorcontrib><creatorcontrib>Kokubu, Toshinori</creatorcontrib><creatorcontrib>Saitoh, Hidetoshi</creatorcontrib><collection>CrossRef</collection><jtitle>Transactions of the Materials Research Society of Japan</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tanaka, Hiroe</au><au>Toda, Ikumi</au><au>Maruyama, Hayato</au><au>Ono, Hiroki</au><au>Ohshio, Shigeo</au><au>Akasaka, Hiroki</au><au>Tanaka, Yoshihisa</au><au>Himeno, Syuji</au><au>Kokubu, Toshinori</au><au>Saitoh, Hidetoshi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of cooling rate of KOH activation process on activated carbons</atitle><jtitle>Transactions of the Materials Research Society of Japan</jtitle><addtitle>Trans. Mat. Res. Soc. Japan</addtitle><date>2012</date><risdate>2012</risdate><volume>37</volume><issue>1</issue><spage>57</spage><epage>60</epage><pages>57-60</pages><issn>1382-3469</issn><eissn>2188-1650</eissn><abstract>Activated carbon was fabricated from rice husks by KOH activation. The effect of the initial cooling rate of activation on the pore structure in the activated carbon fabricated by KOH activation was investigated. The specific surface area of the activated carbon increased from 1813 to 2418 m2/g with increasing the cooling rate from 3 to 32 ºC/min. The micropore diameter in the activated carbons was distributed approximately 0.6 and 1.1 nm. The micropore volume increased from 0.86 to 1.29 cm3/g with increasing initial cooling rate. The proportion of the volume Vmicro to the total pore volume Vtotal was calculated to be in the range from 90 to 96 %. Thus, the micropore structure of the activated carbon was strongly affected on the initial cooling rate on alkali activation.</abstract><pub>The Materials Research Society of Japan</pub><doi>10.14723/tmrsj.37.57</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Activated Carbon KOH activation micro-pore Rice husk Specific surface area |
| title | Effect of cooling rate of KOH activation process on activated carbons |
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