Nano CoO-Cu-MgO catalyst for vapor phase simultaneous synthesis of ortho-chloroaniline and γ-butyrolactone from ortho-cholonitrobenzne and 1,4-butanediol

Hari Prasad Reddy Kannapu; Young-Woong Suh; Veeralakshmi Vaddeboina; Anand Narani; David Raju Burri; Seetha Rama Rao Kamaraju

doi:10.24294/can.v4i1.523

Nano CoO-Cu-MgO catalyst for vapor phase simultaneous synthesis of ortho-chloroaniline and γ-butyrolactone from ortho-cholonitrobenzne and 1,4-butanediol

Hari Prasad Reddy Kannapu, Young-Woong Suh, Veeralakshmi Vaddeboina, Anand Narani, David Raju Burri, Seetha Rama Rao Kamaraju

Article ID: 523
Vol 4, Issue 1, 2021

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Abstract

The article aims at developing an efficient and stable catalysts for simultaneous hydrogenation of o-chloronitrobenzene to o-chloroaniline and 1,4-butanediol dehydrogenation to γ-butyrolactone. A series of CoO-Cu-MgO catalysts, composed of 10 wt% of copper, various amount of cobalt loadings (1, 5 and 10 wt%) and remaining of MgO were developed by co-precipitation followed by thermal treatment. o-Chloroaniline and γ-butyrolactone were the main products with high yield of 85% and 90%, respectively. The advantage of the coupling process is that the hydrogenation reaction was conducted without external hydrogen, demonstrating minimize the hydrogen consumption known as hydrogen economy route. From N₂O characterization results, the high activity of 5CoO-10Cu-MgO was found that it has high amount of Cu species (Cu⁰/Cu⁺¹) which govern the stable activity and selectivity on time on stream study in presence of cobalt in Cu-MgO.

Keywords

Transfer Hydrogenation; Ortho-chloro Aniline; γ-Butyrolactone; Atomic H2; Basic Sites; Nano CoO-Cu-MgO

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References

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DOI: https://doi.org/10.24294/can.v4i1.523