摘要
按照小试制备的工艺条件放大生产了600 kg SQ112脱含氧化合物剂,并将其用于脱除异丁烯中的微量含氧化合物杂质;在1 L的工业侧线装置上,考察了SQ112脱含氧化合物剂在室温条件下的脱二甲醚情况以及再生性能。侧线试验结果表明:SQ112脱含氧化合物剂在0.6 MPa、1 h-1、室温的条件下,将异丁烯中的二甲醚含量从1200～1300 mg/L降至小于2 mg/L,达到了聚合异丁烯的工艺指标,二甲醚的穿透吸附容量约5%,净化后的乙烯中没有其它副产物生成,该吸附剂可以再生,并且再生性能良好。
600 kg SQ112 oxygenate scavenger were prepared by scaling up laboratory test and used for removal of trace oxygenate in isobutene in a 1L fixed-bed reactor with industrial side stream feedstock.The performance of removing dimethyl ether in isobutene and its regeneration at room temperature were studied.The result showed that under 0.6 MPa,liquid space velocity 1 h-1 and room temperature,the oxygenate scavenger SQ112 could remove dimethyl ether from 1200—1300 mg/L to less than 2 mg/L in isobutene,meeting the specification of polymer grade isobutene.The penetration adsorption capacity of SQ112 for dimethyl ether was about 5%.No byproduct was found in the isobutene after deoxygenation.This adsorbent could be regenerated and the performance was good after regeneration.
出处
《化工进展》
EI
CAS
CSCD
北大核心
2011年第9期2087-2089,2094,共4页
Chemical Industry and Engineering Progress
