【摘要】 本文简单介绍了双乙烯酮的主要用途及工业生产方法,并对醋酸裂化法制备双乙烯酮的影响因素如温度、真空度、触媒、裂化管材料、冷却与分离、吸收与聚合等作了讨论。更多还原

【Abstract】 The paper describes the pilot plant production of diketen by the cracking of acetic acid.The process variables such as temperatures, degree of vacuum, for cracking, procedures of cooling and separation after cracking, and conditions of absorption and polymerization of ketene, as well as catalyst and materials used for the cracking coils have been discussed.更多还原