Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1979-01-02
1981-04-21
Dees, Carl F.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252454, 252455R, 252459, B01J 2010, B01J 2370, B01J 2100
Patent
active
042631734
ABSTRACT:
Supported coprecipitated nickel-cobalt-silica and nickel-cobalt-copper-silica hydrogenation catalysts are disclosed. The catalysts are prepared by preparing an aqueous reaction mixture containing nickel and cobalt cations (and optionally copper cations), silicate anions and solid porous carrier particles under agitation to form a coprecipitate of the nickel, cobalt (and optionally copper) and silicate ions onto said solid porous support particles; heating the aqueous reaction mixture; and adding an alkaline precipitating agent to further precipitate the nickel, cobalt (and optionally copper) and silicate anions onto said solid porous carrier particles.
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Barnett Allan E.
Carter James L.
Sinfelt John H.
Dees Carl F.
Exxon Research & Engineering Co.
Halluin Albert P.
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