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Comparison Between Microstructures of Conventional and New Raney Catalysts
Microscopy and Microanalysis
Raney-type catalysts are widely applied in a variety of commercial processes in the chemical industries. Conventionally, Raney nickel catalysts are produced by leaching aluminum from cast Al-Ni alloys; they consist of porous nickel particles having small amounts (3-5 wt. %) of residual aluminum and surface areas in the range of 50-130 m 2 /g . In recent years, reports have been made regarding the production of Raney catalysts by leaching of precursor alloys obtained by mechanical alloyingdoi:10.1017/s1431927603442025 fatcat:dgkwujbuobc57k26ycjw6wxlue