发明名称 |
Process for regenerating used catalysts by means of hydrogen peroxide aqueous solution stabilized with an organic compound |
摘要 |
The process has as an object the regeneration of catalysts containing at least one contaminating metal of the vanadium, nickel and iron group. The operation is conducted as follows: (a) The catalyst (1) is roasted in the presence of an oxygen-containing gas so as to remove at least 90% of the sulfur; (b) The catalyst obtained in step (a) is contacted with a hydrogen peroxide aqueous solution containing at least one organic compound comprising an acidic functional group, so as to remove at least 10% of the deposited metals of the vanadium, nickel and iron group; and (c) The regenerated catalyst (11) is separated from the aqueous solution of metal ions (5). The latter can be regenerated by passage over a complexing resin (6). The process is applicable to the regeneration of used catalysts, particularly to hydrotreatment catalysts in the oil industry.
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申请公布号 |
US4830997(A) |
申请公布日期 |
1989.05.16 |
申请号 |
US19870093273 |
申请日期 |
1987.09.04 |
申请人 |
INSTITUT FRANCAIS DU PETROLE |
发明人 |
TRINH, DINH CHAN;DESVARD, ALAIN;MARTINO, GERMAIN |
分类号 |
C10G45/04;B01J23/92;B01J23/94;B01J27/30;B01J38/48;B01J38/50;C10G45/08 |
主分类号 |
C10G45/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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