CATALYST SYSTEM FOR PRODUCING 1,2-DICHLOROETHANE AND METHOD FOR PRODUCING 1,2-DICHLOROETHANE USING THE SAME

• Main Authors: ASAKAWA TETSUO, MORI YOSHIHIKO, OGURI MOTOHIRO, OHASHI TOMOKAZU
• Format: Patent
• Language: English; Japanese
• Published: 28.05.2015
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING

PROBLEM TO BE SOLVED: To provide a catalyst system which has a lower pressure loss and more favorable heat removing effect and stably produces 1,2-dichloroethane for a long period of time and to provide a method for producing 1,2-dichloroethane using the same.SOLUTION: There are provided: a catalyst system for producing 1,2-dichloroethane which is composed of an oxychlorination catalyst having a hollow cylindrical shape and a graphite diluent having a hollow cylindrical shape and is used in an oxychlorination catalytic reaction process comprising a fixed bed circulation-type catalytic reaction tower for producing 1,2-dichloroethane from ethylene, hydrogen chloride and air; and a method for producing 1,2-dichloroethane using the same. 【課題】 より低い圧力損失、かつより良好な除熱効果を有して、１，２−ジクロロエタンを長期間安定に製造する触媒システムおよびそれを用いた製造方法を提供すること。【解決手段】エチレン、塩化水素および空気から１，２−ジクロロエタンを製造する固定床流通式触媒反応塔からなるオキシ塩素化触媒反応プロセスにおいて用いられる、中空円筒形状を有するオキシ塩素化触媒と中空円筒形状を有するグラファイト希釈剤からなる１，２−ジクロロエタンの製造用触媒システムおよびそれを用いた製造方法【選択図】 なし