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黏结性烟煤制备球形活性炭的研究

Clean Coal Technology(2012)

Cited 22|Views5
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Abstract
在煤基球形活性炭的制备过程中,生球预氧化条件很大程度上决定了球形炭的球形度和物化特性。以山西柳林华晋焦煤集团焦煤为原料,研究了活性炭制备过程中预氧化、炭化、活化等工艺参数对活性炭质量的影响。结果表明:预处理温度为200℃,预处理时间3 h,炭化终温700℃,炭化升温速率4℃/min,活化温度800℃,活化时间7 h时,制得的活性炭球形度完整,物化性能优良,活性炭的碘值为770.18 mg/g,亚甲基蓝值为64.24 mg/g。随着预处理时间的增加,活性炭的强度和产率都增大。试验结果对煤基球形活性炭的生产具有一定的指导意义。
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Key words
pretreatment,activated carbon,carbonization,activation,bituminous coal,caking property
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