METHOD FOR PREPARING ZINC FERRITE-BASED CATALYST AND ZINC FERRITE-BASED CATALYST PREPARED THEREBY

• Main Authors: KO DONG-HYUN, HWANG YE-SEUL, CHA KYONG-YONG, HAN SANG-JIN, HWANG SUN-HWAN
• Format: Patent
• Language: Chinese; English
• Published: 23.07.2021
• 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

A method for preparing a zinc ferrite-based catalyst according to an embodiment of the present application comprises the steps: contacting a metal precursor solution including a zinc precursor, a ferrite precursor, an acid solution and water with a basic aqueous solution to obtain a precipitate; and filtering and thereafter drying and calcining the precipitate, wherein the acid solution includes one or more of nitric acid (HNO ) and hydrocarbon acid. 根据本申请的一个示例性实施方案的制备铁酸锌类催化剂的方法包括：通过使包含锌前体、铁前体、酸溶液和水的金属前体溶液与碱性水溶液接触得到沉淀物；和过滤所述沉淀物，然后干燥过滤后的沉淀物，并且烧制干燥后的沉淀物，其中，所述酸溶液包含硝酸(HNO3)和烃酸中的一种或多种。