CuFeCo / mcm catalysts, methods for their preparation and use
By preparing a CuFeCo/MCM catalyst and utilizing co-precipitation and a mesoporous molecular sieve support, a uniform distribution of copper, iron, and cobalt was achieved, solving the problems of insufficient conversion rate and selectivity in the CO2 hydrogenation to aviation kerosene production, and realizing efficient CO2 conversion and C8+ product generation.
CN122399883APending Publication Date: 2026-07-17CIMC ENRIC ENGINEERING TECHNOLOGY CO LTD +2
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CIMC ENRIC ENGINEERING TECHNOLOGY CO LTD
- Filing Date
- 2026-04-09
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing catalysts exhibit low CO2 conversion rates during CO2 hydrogenation to aviation kerosene production, and the selectivity of C8+ aviation kerosene products needs to be improved.
Method used
CuFeCo/MCM catalyst was prepared by co-precipitation, followed by calcination and reduction to form CuFeCo/MCM catalyst. Mesoporous molecular sieve was used as a support to achieve uniform distribution of copper, iron and cobalt, enhance intermetallic interactions and improve catalytic performance.
Benefits of technology
It improves the CO2 conversion rate and the selectivity of C8+ aviation kerosene, realizes the high-value utilization of CO2, and uses non-precious metals, with simple process and low price.
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Figure CN122399883A_ABST
Abstract
本发明提供一种CuFeCo / MCM催化剂的制备方法及其制备方法和用途，包括以下步骤：配制含Cu、Fe和Co的盐溶液得到第一混合溶液；配制包含碳酸根离子和氢氧根离子的第二混合溶液；将第一混合溶液和第二混合溶液滴入至分子筛纳米分散水溶液中进行共沉淀反应并形成悬浮液，对悬浮液进行固液分离，并对固态物进行洗涤直至溶液呈中性，干燥后获得CuFeCo‑LDH / MCM；铜、铁和钴的摩尔比为0.5：1：(1~3)；将CuFeCo‑LDH / MCM经过煅烧获得催化剂前驱体，催化剂前驱体中铜、铁和钴氧化物的总质量为M1，催化剂前驱体中铜、铁和钴氧化物的总质量与分子筛质量之和为M2，M1与M2的质量百分数为5%～20%；催化剂前驱体还原：将催化剂前驱体研磨后置于还原性气氛下进行还原反应，获得CuFeCo / MCM催化剂。
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