发明授权
US4238362A Passivation of metals contaminating a used cracking catalyst with certain antimony carbonates and their thio analogues 失效
使用某些锑碳酸盐及其硫代类似物污染使用的裂化催化剂的金属钝化

Passivation of metals contaminating a used cracking catalyst with
certain antimony carbonates and their thio analogues
摘要:
A used cracking catalyst is treated with antimony carbonate and its thio analogues to passivate contaminating metals whenever these metals have been deposited on the catalyst.
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