Abstract

The process of magnetic-field-assisted preparation of ferromagnetic Ni–Co–Mn catalyst for deep oxidation/hydrogenation from a mixture of SHS-produced intermetallics was explored by SEM, XRD, and BET methods. Alkali leaching of precursor powder was carried out in the absence of magnetic field, in permanent magnetic field (240 mT), and in alternating magnetic field (27 mT, f = 50 Hz). The application of MF during the preparation of Ni–Co–Mn catalysts was found to affect (a) their specific surface and morphology and (b) catalytic activity/selectivity in deep oxidation of CO and propane and hydrogenation of СО₂. The effect of MF was more pronounced in the process of hydrogenation and in case of alternating magnetic field.

中文翻译：

---

磁场辅助制备铁磁性 Ni-Co-Mn 催化剂用于从 SHS 产生的金属间化合物的混合物进行深度氧化/氢化

摘要

磁的过程中-铁磁的Ni-Co-Mn的催化剂的电场辅助准备深度氧化/氢化从SHS-Al金属间化合物的混合物通过SEM，XRD，和BET方法的探讨。在无磁场、永久磁场 (240 mT) 和交变磁场 (27 mT, f = 50 Hz) 中进行前体粉末的碱浸。发现在 Ni-Co-Mn 催化剂制备过程中 MF 的应用会影响 (a) 它们的比表面和形态以及 (b) 在 CO 和丙烷的深度氧化和 СО _{2 的}加氢中的催化活性/选择性。在加氢过程和交变磁场的情况下，MF的影响更为明显。