摘要
对萘法固定床苯酐反应原理、工艺流程及技术改进方面进行了详细阐述。重点讲述了供风系统、萘汽化系统、反应系统、凝华系统和精馏系统的工艺流程及工艺操作要点,并详细介绍了相关技术改进内容。
The principle of fixed bed reaction technology of phthalic anhydride produced from naphthalene was introduced.The technological process and technological improvement were elaborated in detail.The technological process and key operation points of air supply,evaporation of naphthalene,reaction,condensation and rectification were mainly introduced.Some concerned improvement was introduced.
出处
《广州化工》
CAS
2010年第12期233-235,共3页
GuangZhou Chemical Industry
关键词
萘
固定床
苯酐
催化剂
反应器
精馏
naphthalene
fixed bed
phthalic anhydride
catalyst
reactor
rectification
