润滑油废白土的热解处理  

Pyrolysis treatment of waste clay from lubricating oil production

作　　者：王文杰[1] 王万福 屈一新[1] 雍兴跃[1] 刘鹏 王际东[1] 

机构地区：[1]北京化工大学化学工程学院,北京100029 [2]中国石油集团安全环保技术研究院,北京100083

出　　处：《环境工程学报》2012年第6期2067-2071,共5页Chinese Journal of Environmental Engineering

基　　金：国家科技支撑计划项目(2008BAC43B03)

摘　　要：以润滑油废白土为原料,利用电热解法,研究了热解终温、加热速率和CaO添加量对热解产物的影响。实验结果表明:热解终温对热解产物的影响最为显著。随着热解终温的升高,不凝气产量和产油率均迅速增加。当热解终温达到600℃时,其增加的速率逐渐缓慢增大。当控制热解终温为800℃、加热速率为16℃/min、CaO添加量为0.5%时,富氢气体产量为189.2 L/kg,气体中主要成分为H2和CH4,其含量分别为27.97%和41.64%;热解残渣含油率和重金属溶出物均低于标准规定值,热解油产率为10.98%,回收率为38.94%,其主要成分为汽油、柴油和重油3部分组成,分别含19.13%、31.35%和49.52%。The effects of terminal pyrolysis temperature, heating rate and CaO addition on the pyrolysis products of waste clay from lubricating oil were studied by electric heating. It was found that there were obvious effects of terminal pyrolysis temperature on the quantities of gases and oils. Gases and oils increased with increas- ing terminal pyrolysis temperature, but their increasing rates increased slowly when it was above 600℃. When waste clay was pyrolized at 800℃ terminal pyrolysis temperature with 16℃/min heating rate and 0.5% CaO ad- dition, the production of hydrogen-rich gases was 189.2 L/kg, and its main compositions were H2 （27.97%） and CH4 （41.64%）. The percentage of oil content and heavy metallic ions dissolving-out of pyrolysis residue were below the standard values. The production rate and recovery rate of pyrolysis oil were 10.98% and 38.94% ,re- spectively. And that pyrolysis oils were composed of gasoline （19.13%） , diesel oil （31.35%） and heavy oil （49.52%）.

关 键 词：废白土 热解处理 CaO添加量 加热速率 

分 类 号：X742[环境科学与工程—环境工程]