Abstract: The new methods of preparation of copper-based catalyst by coprecipitation in recent years are presented. The use of non-thermal effect of microwave radiation，ultrasonic cavitation effect and micromixing effect under high-gravity environment can effectively control the size of catalyst grain and improve its dispersion. Also microwave radiation and ultrasonic radiation promote the substitution of Cu and Zn，accelerate precursor phase transition，and strengthen the interaction of Cu-ZnO. Coprecipitation- ammonia evaporation eliminates the negative impact of precipitant with cations. Coprecipitation deposition on various carriers has different unique performances. Liquid-phase preparation significantly improves the stability of the catalyst in slurry reactor. Gel-network-coprecipitation realizes the modulation of catalyst grain size. Through the application of new technology，the preparation of copper-based catalyst with larger surface area，more active species，medium size and high dispersion，stronger interaction and good stability is the development trend in this field.

Key words: precipitation, catalyst, preparation

摘要： 介绍了近年来以共沉淀法为基础的催化剂制备新技术。利用微波辐射的非热效应、超声波的声化学作用以及超重力环境下的微观混合效应，都可以有效地控制催化剂晶粒大小，并提高活性物种的分散度。微波辐射和超声波辐射还可以促进同晶取代，加速前体物相转变，增强Cu-ZnO之间的协同作用。共沉淀蒸氨法可以消除沉淀剂所带阳离子对催化剂的影响；共沉淀沉积法可以发挥不同载体的特殊性能；完全液相法大幅度提高了浆态床催化剂的稳定性；凝胶网格共沉淀法实现了催化剂晶粒尺寸的调变。通过新技术的应用，制备比表面积大、活性金属组分高度分散、晶粒大小适中、协同作用强、寿命长的铜基催化剂是该领域的发展趋势。

关键词: 沉淀, 催化剂, 制备