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VNUHCM Journal of

Science and Technology Development

An official journal of Viet Nam National University Ho Chi Minh City, Viet Nam since 1997

ISSN: 1859-0128
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Assessing the effectiveness flocculation water fishery by some flocculation auxiliaries extracts from plants

Trung Minh Dao 1, *
Huong Thi Thu Bui 2
Dinh Kim Ngo 3
Ngan Vo Chau Nguyen 4

  1. Thu Dau Mot University
  2. VNUHCM-University of Science
  3. Department of Environment – Minitrry of Transport
  4. Can Tho University
Correspondence to: Trung Minh Dao, Thu Dau Mot University. Email: pvphuc@vnuhcm.edu.vn.
Volume & Issue: Vol. 19 No. 4 (2016) | Page No.: 267-278 | DOI: 10.32508/stdj.v19i4.646
Published: 2016-12-31

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Copyright © 2016 by the author(s).

Copyright The Author(s) 2023. This article is published with open access by Vietnam National University, Ho Chi Minh city, Vietnam. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0) which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited. 

Abstract

This study applied one chemical coagulant, PAC, and three biological coagulant aids include Moringa seed gum, Cassia seed gums and polymer. The results indicated that the best dose of PAC be used as coagulants was 480 mg/L. Using polymer as aids with PAC could remove 66.70 % of COD, 66.86 % of SS, 39.01 % of color from studied wastewater. Using Moringa seed gums as aids with PAC could remove 69.34 % of COD and, 69.61 % of SS, 36.25 % of color from studied wastewater. Similarly, using Cassia seed gums as aids with PAC could remove 70.54 % of COD, 68.34 % of SS and 35.94 % of color from fish blood. These results, showed natural products such as Moringa seed gums or Cassia seed gums would be efficient workable substitutes for synthetic chemical polymer.

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