Effects of Reaction Conditions on Low-Temperature Removal of Carbon Disulfide over Modified Coconut Shell Activated Carbons Catalysts

Li Hong Tang; Hui Bin Guo; Kai Li; Ping Ning; Chi Wang; Xin Sun

doi:10.4028/www.scientific.net/AMR.894.293

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 894Effects of Reaction Conditions on Low-Temperature...

Effects of Reaction Conditions on Low-Temperature Removal of Carbon Disulfide over Modified Coconut Shell Activated Carbons Catalysts

Abstract:

In this work, a series of modified coconut shell activated carbons (CSAC) catalysts were prepared by sol-gel method and used for catalytic hydrolysis of carbon disulfide (CS₂) at low-temperatures. The influences of reaction conditions such as: reaction temperature, O₂ concentration, relative humidity (RH), gas hourly space velocity (GHSV) and inlet concentration of CS₂ on catalytic hydrolysis activities were studied. When the reaction temperature was 60°C, this catalyst showed the best catalytic performance and no better effect occurs with the increase of temperature. CS₂ hydrolysis activities were decreased with increasing amounts of O₂. When the RH was 30%, the catalyst manifests the best activity. The catalytic hydrolysis activities were decreased with increased of GHSV from 5000~20000h^-1. In addition, when the inlet concentration of CS₂ increased from 10ppm to 100ppm, the catalytic hydrolysis activities could be decreased.