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首页> 外文期刊>International Journal of Chemistry and Chemical Engineering >Comparison of Multi solute effluent adsorption studies for treatment of CPC blue using different adsorbents
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Comparison of Multi solute effluent adsorption studies for treatment of CPC blue using different adsorbents

机译：Comparison of Multi solute effluent adsorption studies for treatment of CPC blue using different adsorbents

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摘要

Human activities have posed a great threat on the need of environmental protection from a global viewpoint.In the present context,the use of adsorption separation in the environmental chemistry has always seek attention globally,owning to its low initial cost,simplicity of design,ease of operation,insensitivity to toxic substances and complete removal of pollutants even from dilute solutions.With the advent of isotherms modeling,there has been a steadily growing interest in this research field.This paper presents single solute and multi solute streams and the kinetic modeling studies and adsorption isotherms modeling using the adsorbents like activated carbon and lignite,Actual samples at the end of three different unit processes were collected and batch adsorption study was carried out using activated carbon and lignite for pure streams as well as composite multi solute streams.The data of COD were analyzed and modeled.The study clearly showed that the reduction in the COD using the activated carbon was 69 to 77% for single stream and 81 to 85% for mixed stream while 62 to 73% for single stream and 70 to 81 % for mixed stream which clearly suggest that low cost lignite can be used for treatment.The data were fitted in various models to analyze using pseudo first order kinetic behavior for single stream and pseudo second order kinetic study for both absorbents.For both adsorbents,the predicted R2 of single stream range between 0.92 to 0.96 using pseudo first order kinetic behavior and R2 of multi stream range between 0.90 to 0.92 using pseudo first order kinetic behavior for multi stream predicted R2 between 0.98 to 0.99 while pseudo second order kinetic study predicted for multi stream predicted R2 between 0.988 to 0.99 which clearly demonstrates the pseudo second order kinetic behavior can be easily used to model the behavior and design the adsorption system for treatment of the effluent and low cost lignite can be used instead of activated carbon.

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