HETEROGENEOUS CATALYST FOR PREPARING ACRYLIC ACID, AND ACRYLIC ACID PREPARATION METHOD USING SAME

• Main Authors: KIM MINSU, KIM DAESUNG, LEE WONJAE, CHOE YONGJIN, SONG DONGSU, LEE HYUNJOO
• Format: Patent
• Language: Chinese; English
• Published: 17.04.2018
• 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

The present invention relates to a catalyst used in the preparation of an acrylic acid and an acrylic acid preparation method using the same and, more specifically, disclosed are: a catalyst, which can improve the selectivity of an acrylic acid and the production yield of an acrylic acid when preparing an acrylic acid from aryl alcohol by using a heterogeneous catalyst comprising bimetallic alloycatalyst particles of gold and another metal; and an acrylic acid preparation method using the same. 本发明涉及种用于制备丙烯酸的催化剂及使用该催化剂制备丙烯酸的方法，更具体地，本发明公开种催化剂以及使用该催化剂制备丙烯酸的方法，当通过使用包含金和另种金属的双金属合金催化剂颗粒的非均相催化剂由烯丙醇制备丙烯酸时，该催化剂能够提高丙烯酸的选择性和丙烯酸的产率。