Adsorption of Neutral Red from Solution by Bio-Chars Produced from Pyrolysis of Wheat Straw

Li Juan Zhang; Dan Ma; Gui Yun Mao; Man Man Zhang; Run Ping Han

doi:10.4028/www.scientific.net/AMR.322.72

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 322Adsorption of Neutral Red from Solution by...

Adsorption of Neutral Red from Solution by Bio-Chars Produced from Pyrolysis of Wheat Straw

Abstract:

Bio-char, a by-product from fast wheat straw pyrolysis, was investigated as adsorbents for the removal of cationic dye, neutral red (NR) from solution. Adsorption studies were performed at bio-cha dose, NaCl concentration, contact time and dye concentration in the batch mode. Salt coexisted in solution is not favor in adsorption and the adsorption is faster process. The equilibrium data are modeled with Langmuir and Freundlich equations and both models are better fitted. Thermodynamic parameters are calculated and the results show that the process was spontaneous and endothermic in nature. Bio-char can be used to remove cationic dye from solution.

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Advanced Materials Research (Volume 322)

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72-76

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.322.72

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August 2011

Authors:

Li Juan Zhang, Dan Ma, Gui Yun Mao, Man Man Zhang, Run Ping Han

Keywords:

Adsorption, Bio-char, Neutral Red

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