林产化学与工业
林產化學與工業
림산화학여공업
CHEMISTRY AND INDUSTRY OF FOREST PRODUCTS
2009年
5期
115-118
,共4页
活性炭%微波法%磷酸%竹屑
活性炭%微波法%燐痠%竹屑
활성탄%미파법%린산%죽설
activated carbon%microwave method%phosphoric acid%bamboo powder
以竹屑为原料,采用微波辐射磷酸法制备活性炭.讨论了微波功率、活化时间及磷酸质量分数等工艺条件对竹材活性炭吸附性能的影响.研究结果表明,在磷酸质量分数、活化时间和微波功率3个因素中,微波活化时间对活性炭质量指标影响最大,延长时间可以提高其产品的吸附性能;微波辐射磷酸法制备竹材活性炭的较优工艺条件为:微波功率600W、活化时间16min、磷酸质量分数50%.在此条件下制得的活性炭的碘吸附值850.6mg/g、亚甲基蓝吸附值233.8mg/g、比表面积920.5m~2/g.
以竹屑為原料,採用微波輻射燐痠法製備活性炭.討論瞭微波功率、活化時間及燐痠質量分數等工藝條件對竹材活性炭吸附性能的影響.研究結果錶明,在燐痠質量分數、活化時間和微波功率3箇因素中,微波活化時間對活性炭質量指標影響最大,延長時間可以提高其產品的吸附性能;微波輻射燐痠法製備竹材活性炭的較優工藝條件為:微波功率600W、活化時間16min、燐痠質量分數50%.在此條件下製得的活性炭的碘吸附值850.6mg/g、亞甲基藍吸附值233.8mg/g、比錶麵積920.5m~2/g.
이죽설위원료,채용미파복사린산법제비활성탄.토론료미파공솔、활화시간급린산질량분수등공예조건대죽재활성탄흡부성능적영향.연구결과표명,재린산질량분수、활화시간화미파공솔3개인소중,미파활화시간대활성탄질량지표영향최대,연장시간가이제고기산품적흡부성능;미파복사린산법제비죽재활성탄적교우공예조건위:미파공솔600W、활화시간16min、린산질량분수50%.재차조건하제득적활성탄적전흡부치850.6mg/g、아갑기람흡부치233.8mg/g、비표면적920.5m~2/g.
Preparation of activated carbon from bamboo powder with H_3PO_4 under microwave irradiation was researched.The effects of microwave power,activation time and H_,PO_4 solution mass fraction on the adsorption property of activated carbon were investigated.The result indicated that among the affecting factors,the effect of activation time was significant.With the increase of activation time,the property of activated carbon is improved.The optional condition was obtained as follows; microwave power 600 W,activation time 16 min and H_3PO_4 solution mass fraction 50 %.Under this condition,indices of the product are: iodine number 850.6 mg/g,methylene blue adsorption 233.8 mg/g,BET specific surface area 920.5 m~2/Vg.
