摘要
详细介绍云天化聚甲醛装置甲醛浓缩塔的技术改造,提出采用新型填料塔结构的方案,解决由羧酸导致设备严重腐蚀的问题,投用效果明显。
Introduce technical rehabilitation of formaldehyde concentration tower of poly formaldehyde unit of Yunnan Natural Gas Chemical Plant by using new type of structure of packing tower,solve serious corrosion problem caused by carboxylic acid and have outstanding applying achievement.
出处
《化工设计》
CAS
2008年第1期45-47,共3页
Chemical Engineering Design
关键词
甲醛浓缩塔
甲酸
耐酸陶瓷填料
formaldehyde concentration tower formic acid acid-resistant ceramic packing material
