6Daniel J,Neuman.Novel ebullated bed catalyst regeneration technology improves regenerated catalyst quality[R].1995 NPRA annual meeting,The San Francisco Hilton San Francisco,California,1995.
7Daniel J,Neuman.Xpress:the first true ex-situ presulfiding process[R].1998 NPRA Aannual meeting,San Francisco Hilton San Francisco,California,1998.
8Neuman,Daniel J,Method of presulfiding and passivating a hydrocarbon conversion catalyst[P].US:5958816,1999-09-28.
9De Jong,Jan I,Eisenhuth,et al.Process of the preparation of a resulfided catalyst[P].US:5139990,1992-08-18.
10Eijsbouts,Sonja.Two-step process for sulfiding a catalyst containing an S-containing additive[P].US:6492296,2002-12 -10.