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    • 53. 发明申请
    • HYDROPROCESSING CATALYSTS AND METHODS FOR MAKING THEREOF
    • 氢化催化剂及其制备方法
    • US20120004091A1
    • 2012-01-05
    • US13233491
    • 2011-09-15
    • Bo KouJulie Chabot
    • Bo KouJulie Chabot
    • B01J38/48B01J38/60
    • C10G47/02C10G47/26C10G47/32C10G65/00C10G65/10C10G65/18C10G2300/205C10G2300/206C10G2300/701C10G2300/802
    • A method to prepare an improved catalyst feed to a system to upgrade heavy oil. The method comprises: providing a spent catalyst that has been used in a hydroprocessing operation has with a solid content ranging from 5 to 50 wt. % in soluble hydrocarbons and having less than 80% but more than 10% of original catalytic activity; removing at least 50% of the soluble hydrocarbons removed in a deoiling step; treating the deoiled spent catalyst with a treating solution containing at least one of plain water, a mineral acid, an oxidizing agent, and combinations thereof to reduce the concentration of at least one metal contaminant in the deoiled spent catalyst by at least 40%. After treatment, the treated deoiled spent catalyst is slurried in a hydrocarbon medium, and fed to the heavy oil upgrade system as part of the catalyst feed system with a fresh slurry catalyst.
    • 一种制备改进的催化剂进料到系统以升级重油的方法。 该方法包括:提供已经在加氢操作中使用的废催化剂的固体含量范围为5-50wt。 %的可溶性碳氢化合物,并且具有小于80%但大于10%的原始催化活性; 去除在脱油步骤中去除的至少50%的可溶性烃; 用含有浅水,无机酸,氧化剂及其组合中的至少一种的处理溶液处理脱油的废催化剂,以将去除的废催化剂中的至少一种金属污染物的浓度降低至少40%。 处理后,经处理的脱油废催化剂在烃介质中浆化,并作为催化剂进料系统的一部分用新鲜的浆料催化剂进料至重油升级系统。