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Abstract
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Article Information:
Treatment of Livestock Wastewater by Bentonite Coated Chitosam
Hong Shao, Di Zhang, Zhifang Zhang and Dawei Wang
Corresponding Author: Di Zhang
Submitted: January 24, 2013
Accepted: March 07, 2013
Published: June 05, 2013 |
Abstract:
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In this study a new type of flocculating agent¬-Bentonite Coated Chitosan was prepared to treat the livestock wastewater which came from the piggery. The bentonite coated chitosan was prepared of natural bentonite which was used as raw material and chitosan which was used as modifying agent. The raw concentration of the ammonia nitrogen and COD of the livestock wastewater were 1800~2200 mg/L and 2000~2100 mg/L. The study showed that the the best removal rate of them are 72.47% and 88.26% when the dosing quantities are 0.5g/L, stirring times are 20 min, stirring rates are 300 r/min, pH are 5, standing time are 60 min. The soil layer and shape of the chitosan did not changed after be modified.
Key words: Ammonia nitrogen, bentonite, chitosan, CODcr, livestock wastewater from the piggery, ,
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Abstract
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Cite this Reference:
Hong Shao, Di Zhang, Zhifang Zhang and Dawei Wang, . Treatment of Livestock Wastewater by Bentonite Coated Chitosam. Advance Journal of Food Science and Technology, (06): 721-725.
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ISSN (Online): 2042-4876
ISSN (Print): 2042-4868 |
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