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硝酸改性活性炭吸附汽油中有机硫

Xing Dong,Hai Zhao,Yuan Li,Yuqi Wang,Guoqiang He,Zhen Wang,Yushuang Liu

Guangdong Chemical Industry（2016）

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Abstract
以焦化厂焦油渣为原料制备活性炭,用硝酸对活性炭改性,用于汽油中有机硫脱除的研究.考察了硝酸浓度、浸渍量、活化温度和焙烧温度对脱硫效率的影响.硝酸浓度为40％时,活性炭脱硫效果最佳.硝酸浸渍量和活性炭量之比达到9∶1时,活性炭脱硫效率最高.硝酸活化温度80℃时,活性炭脱硫率有较大改善.活性炭脱硫效率最高,焙烧时间过短和过长,都不利于活性炭脱硫效率的提高.
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