One embodiment is an improved process for economically converting carbo-metallic oils by means of catalytic particulates into lighter products, wherein a portion of the particulates is withdrawn and passed through a high strength magnetic field of at least 1 KG and field grandients of at least 10 KG/inch...http://www.google.es/patents/US5147527?utm_source=gb-gplus-sharePatente US5147527 - Magnetic separation of high metals containing catalysts into low, intermediate and high metals and activity catalyst
Magnetic separation of high metals containing catalysts into low ...
