The invention relates to a process for the regeneration of a noble metal catalyst deactivated in the production of cyclohexylamine through hydrogenation of aniline in liquid phase batch process. The catalyst regenerated by die process of Ihe said invention showed selectivity of 86.75% to 91.88% to cyclohexylamine wi...

The invention relates to a process for the utilization of off gas hydrogen without purification from industrial processes to economically produce aniline by hydrogenating nitrobenzene in vapor phase continuous mode wim conventional chrome free copper oxide catalysts at a space velocity of about 500 to 2000 hr"1 and ...

The invention relates to a process for the production of cyclohexylamine from aniline and hydrogen at low pressure and in liquid phase using a hydrogenation catalyst consisting of a group VIII metal as an active ingredient. More particularly, it is concerned with an economical process for making cyclohexylamine whic...

The present invention discloses a process for the preparation of an improved more active catalyst suitable for continuous low pressure ethylation reaction in packed beds, which is generated from activated alumina supported catalyst precursor, by the method consisting of : (i) impregnating the said support with a sol...

The present invention discloses an improved process for the hydrogenatkm of nitroaromatics in fixed bed single tube reactors which results in reduction of peak reaction zone temperatures preventing thermal degradation thereby and improved catalyst performance, enhanced throughputs through the same reactor and better...

The present invention discloses a novel process for improving the activity of industrial ethynylation catalyst generated from silicagel supported catalyst precursor, which comprises of: (i) mixing the said precursor with the oxide of an alkaline earth metal in definite proportions; (ii) packing the mixture obtained ...

The invention relates to an environment friendly transition metal catalyst (free from hazardous chromium component) for low temperature conversion of nitrobenzene to aniline in vapour phase at about 140°C to 230°C, preferably 150°C to 220°C. The catalyst of the present invention contains oxide of the said metal prom...

The present invention relates to a process for selectively hydrogenating alkynes to alkenes over suitably supported single metal catalysts with high activity per unit of metal contents. It further elaborates selective hydrogenation of technical grades of 2-Butyne-1,4 diol produced from Reppe synthesis to 2-Butene-1,...