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Preparation of Cationic Rice Husk Flocculant and its Flocculating Characteristics
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Preparation of Cationic Rice Husk Flocculant and its Flocculating Characteristics

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Abstract:

Natural polymer cationic flocculant was prepared by introducing quaternary ammonium group into the rice husk molecules, using potassium permanganate as initiator. The influence of synthetic conditions affecting flocculation was studied, such as reaction temperature, reaction time, dosage of initiator, concentration of sulfuric acid and material ratio. The flocculent experiment of diatomite was chosen to evaluate the capability of flocculant. The results show that the flocculant has good flocculent capacity, the removal of turbidity can reach above 90% for simulated wastewater under the optimistic conditions of synthetic process as follows: etherification temperature, 50°C; etherification time, 3h; initiator concentration, 3 mmol/L; sulfuric acid concentration, 1.8 mmol/L; ratio of rice husk to OTAC, 2: 3.

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Advanced Materials, ICAMMP 2011 View Preview

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Periodical:

Advanced Materials Research (Volumes 415-417)

Pages:

1667-1670

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.415-417.1667

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Online since:

December 2011

Authors:

Ying Huan Fu, Cheng Lin Lin, Li Feng Chen, Yu Song, Hong Chao Ma

Keywords:

Cationic Flocculant, Natural Polymer, Rice Husk

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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