Strengthening iron fischer-tropsch catalyst by co-feeding iron nitrate and precipitating agent or separately precipitating from ferrous nitrate and ferric nitrate solutions
A method of producing a catalyst precursor comprising iron phases by co-feeding a ferrous nitrate solution and a precipitation agent into a ferric nitrate solution to produce a precipitation solution having a desired ferrous-to-ferric-nitrate ratio and from which a catalyst precursor precipitates; c...
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Main Authors | , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
24.05.2017
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Subjects | |
Online Access | Get full text |
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Summary: | A method of producing a catalyst precursor comprising iron phases by co-feeding a ferrous nitrate solution and a precipitation agent into a ferric nitrate solution to produce a precipitation solution having a desired ferrous-to-ferric-nitrate ratio and from which a catalyst precursor precipitates; co-feeding a ferric nitrate solution and a precipitation agent into a ferrous nitrate solution to produce a precipitation solution having a desired ferrous-to-ferric-nitrate ratio and from which a catalyst precursor precipitates; or precipitating a ferrous precipitate from a ferrous nitrate solution by contacting the ferrous nitrate solution with a first precipitation agent; precipitating a ferric precipitate from ferric nitrate solution by contacting the ferric nitrate solution with a second precipitation agent and combining the ferrous and ferric precipitates to form the catalyst precursor, wherein the ratio of ferrous to ferric precipitates is a desired ratio.
本发明公开了种生产包含铁相的催化剂前体的方法,所述方法包括将硝酸亚铁溶液和沉淀剂共进料到硝酸铁溶液中,以产 |
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Bibliography: | Application Number: CN201611052745 |