【摘 要】
：
以大庆石油焦为原料,采用KOH活化法,考察了碱炭比、活化温度、活化时间对吸附性能的影响,确定最佳工艺条件,碱炭比4∶1、活化温度800 ℃、活化时间2 h.并制得比表面积大于3 0
【机 构】
：
石油大学（华东）重质油加工国家重点实验室
论文部分内容阅读
以大庆石油焦为原料,采用KOH活化法,考察了碱炭比、活化温度、活化时间对吸附性能的影响,确定最佳工艺条件,碱炭比4∶1、活化温度800 ℃、活化时间2 h.并制得比表面积大于3 000 m2/g的超级活性炭.通过热处理得到孔径均一(中孔率＞85%),比表面积大于1 500 m2/g的炭分子筛;再用表面氧化方法,得到表面酸度适宜(150 ℃～240 ℃之间为弱酸,240 ℃～340 ℃为中强酸,340 ℃～450 ℃为强酸分布)的催化剂载体.炭分子筛与传统氧化铝比较具有酸度分布广泛等特点,因较好的酸强度分布
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