Activated Ni Catalyst is fine particles of Nickel seated on Aluminum suspended in water. This
catalyst is porous with occluded hydrogen in its pores which imparts activity. Average particle
size is 20-25 microns.
Activity: rate at which the catalyst hydrogenates the feed stock products that means percentage
change in reactant (Conversion).
Selectivity: Ability of the catalyst to give the desired product, out of all possible products, e.g.
product as percentage of reactant (yield)
Shelf Life: Time for which the catalyst keeps a sufficient level of activity and/or selectivity
Physical Property:
Fine gray powder immersed in water.
Catalyst which give more no. of recycles with Min. impurity
eg. Dinitro Toluene To toluene Diamines.
Eg. ONCB to OCA, Dichloro Nirto Phenol to Dichloro Amino phenol & for Oximes to Amine
- Catalyst can sustain high temp
- Catalyst can impart activity for longer period
eg. Croton Aldehydes To Butyraldehyde
eg. Butaraldehyde To Butanol
Eg. Benzophenone To Benzohydrol
eg. PNC to P- Cumidiene
eg. Phenol to Cyclohexanol
eg. Benzaldehyde to Benzyle Alcohols & for Fatty Nitrile to fatty Amine
Also used for Aliphatic Aldehyde to Alcohols
eg. Venlafaxine, Verapamil
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