King Abdulaziz City for Science & Technology (KACST)
发明人:
Al-Rabiah, Abdulrahman, A.,Bagabas, Abdulaziz, A.,Akhmedov, Vagif, Malik
申请号：
EP20110187688
公开号：
EP2532642(B1)
申请日:
2011.11.03
申请国别(地区):
欧洲专利局
年份:
2017
代理人:
摘要：
A low-pressure one-step gas-phase process for the production and recovery of methyl isobutyl ketone (MIBK) is disclosed. One-step gas-phase synthesis of MIBK from acetone and hydrogen over nano- Pd/nano-ZnCr 2 O 4 catalyst at atmospheric pressure is used as an example. The said process is designed to recover the additional heat associated with the reactor effluent via heating acetone feed and recycle (mixed acetone) before entering the reactor. A compressor is introduced to the gas-phase process to increase slightly the reactor effluent pressure before this effluent is cooled and fed to a flash drum. The compressed reactor effluent is used to preheat hydrogen feed and recycle (mixed hydrogen) before entering the reactor. The separation scheme of low-pressure one-step gas-phase process comprises of several distillation columns used for MIBK separation and purification.
