发明名称 |
Non-destructive process for the elimination of silicon from alumina based materials |
摘要 |
A method for eliminating silicon or silicon compounds in alumina based materials without destroying such alumina based materials enabling reutilization particularly in catalysts for hydrotreating processes, comprising: a) mixing alumina based solid material which contains silicon with an alcohol extraction agent at a temperature between 10 and 300° C., for 10 minutes to 96 hours to form a mixture; b) separating solids from the mixture by centrifugation, decantation or filtration to obtain separated solids; c) washing the separated solids with at least one of water, alcohol or an ammonium hydroxide solution to form washed solids; and d) drying the washed solids to obtain regenerated alumina based solid material. |
申请公布号 |
US8716159(B2) |
申请公布日期 |
2014.05.06 |
申请号 |
US200913140310 |
申请日期 |
2009.12.09 |
申请人 |
PÉREZ ROMO PATRICIA;JULIEN FRIPIAT JOSÉ MARIE MAURICE;RODRÍGUEZ OTAL LUIS MIGUEL;VEGA MERINO PEDRO MARTÍN;GUZMÁN CASTILLO MARÍA DE LOURDES ALEJANDRA;AGUILAR BARRERA CANDIDO;ARMENDÁRIZ HERRERA HÉCTOR;HERNÁNDEZ BELTRÁN FRANCISCO JAVIER;INSTITUTO MEXICANO DEL PETROLEO |
发明人 |
PÉREZ ROMO PATRICIA;JULIEN FRIPIAT JOSÉ MARIE MAURICE;RODRÍGUEZ OTAL LUIS MIGUEL;VEGA MERINO PEDRO MARTÍN;GUZMÁN CASTILLO MARÍA DE LOURDES ALEJANDRA;AGUILAR BARRERA CANDIDO;ARMENDÁRIZ HERRERA HÉCTOR;HERNÁNDEZ BELTRÁN FRANCISCO JAVIER |
分类号 |
B01J38/52 |
主分类号 |
B01J38/52 |
代理机构 |
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代理人 |
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地址 |
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