天然气化工(C1化学与化工)
天然氣化工(C1化學與化工)
천연기화공(C1화학여화공)
Natural Gas Chemical Industry
2015年
3期
41-44
,共4页
张建%张志智%孙潇磊%孙万付%方向晨
張建%張誌智%孫瀟磊%孫萬付%方嚮晨
장건%장지지%손소뢰%손만부%방향신
二氧化碳%环氧丙烷%碳酸丙烯酯%合成%固定床%多相催化剂
二氧化碳%環氧丙烷%碳痠丙烯酯%閤成%固定床%多相催化劑
이양화탄%배양병완%탄산병희지%합성%고정상%다상최화제
carbon dioxide%propylene oxide%propylene carbonate%synthesis%fixed bed%heterogeneous catalyst
通过混合氯球固载化的离子液体(PS-Mim)、助剂A和助剂B,然后压制成型,制备了一种新型的多相固体催化剂(PS-Mim-A-B),并在固定床反应器上评价其由CO2和环氧丙烷(PO)合成碳酸丙烯酯(PC)的催化性能。考察了温度、压力、空速、反应物的比例对反应的影响。结果表明,该催化剂具有极高的催化活性。当反应温度为120℃、压力为2MPa、空速为1h-1、CO2和PO进料物质的量比为2∶1时,PC的收率可达96%以上,PC的选择性在99.5%左右。
通過混閤氯毬固載化的離子液體(PS-Mim)、助劑A和助劑B,然後壓製成型,製備瞭一種新型的多相固體催化劑(PS-Mim-A-B),併在固定床反應器上評價其由CO2和環氧丙烷(PO)閤成碳痠丙烯酯(PC)的催化性能。攷察瞭溫度、壓力、空速、反應物的比例對反應的影響。結果錶明,該催化劑具有極高的催化活性。噹反應溫度為120℃、壓力為2MPa、空速為1h-1、CO2和PO進料物質的量比為2∶1時,PC的收率可達96%以上,PC的選擇性在99.5%左右。
통과혼합록구고재화적리자액체(PS-Mim)、조제A화조제B,연후압제성형,제비료일충신형적다상고체최화제(PS-Mim-A-B),병재고정상반응기상평개기유CO2화배양병완(PO)합성탄산병희지(PC)적최화성능。고찰료온도、압력、공속、반응물적비례대반응적영향。결과표명,해최화제구유겁고적최화활성。당반응온도위120℃、압력위2MPa、공속위1h-1、CO2화PO진료물질적량비위2∶1시,PC적수솔가체96%이상,PC적선택성재99.5%좌우。
A novel heterogeneous catalyst PS-Mim-A-B was prepared by mixing the chloromethylated bead supported ionic liquid PS-Mim with the promoters A and B then pressing into tablets, and its catalytic performance for synthesis of propylene carbonate (PC) from CO2 and propylene oxide (PO) was evaluated in a fixed bed reactor. The effects of reaction temperature, pressure, LHSV and CO2/PO mole ratio on the reaction were investigated. Results showed that the catalyst had excellent catalytic activity. Under the optimum reaction conditions of 120℃, 2MPa, LSHV of 1h-1 and CO2/PO mole ratio of 2:1, PC yield could be over 96%with a selectivity of about 99.5%.