Natural Coagulant for the Treatment of Food Industry Wastewater

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Wastewater treatment is becoming ever more critical due to diminishing water resources, increasing wastewater disposal costs, and stricter discharge regulations that have lowered permissible contaminant levels in waste streams. The ultimate goal of wastewater management is the protection of the environment in a manner commensurate with public health and socio-economic concerns. The aim of our study is to use natural occurring polymeric coagulant to reduce the chemical oxygen demand and color from the industrial waste water. It was found that 83% of Chemical oxygen demand and 90% of color reduction was observed with chitosan.

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27-35

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February 2014

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[1] Crittenden, J.C., Trussel, R.R., Hand, D.W., Howe, K.J., Tchobanoglous, G. (eds) "Coagulation, mixing and flocculation", in Water Treatment: Principles and Design. 2nd edition, John Wiley & Sons, 2005, New Jersey, USA.

Google Scholar

[2] Duan, J., Gregory, J., Coagulation by hydrolysing metal salts, Advances in Colloid & Interface Science 100-102 (2003) 475-502.

DOI: 10.1016/s0001-8686(02)00067-2

Google Scholar

[3] Jiang J., Development of coagulation theory and pre-polymerised coagulants for water treatment, Separation and Purification Methods 30(1) (2001) 127-141.

DOI: 10.1081/spm-100102986

Google Scholar

[4] Bi, S., Wang, C., Cao, Q. and Zhang, C., Studies on the mechanism of hydrolysis and polymerization of aluminium salts in aqueous solution: correlations between the Core-links model and Cage-like keggin-Al13 model, Coordination Chemistry Reviews 248 (2004) 441-455.

DOI: 10.1016/j.ccr.2003.11.001

Google Scholar

[5] Jia, Z., He, F. and Liu, Z., Synthesis of polyaluminum chloride with a membrane reactor: operating parameter effects and reaction pathways, Ind. Chem. Res. 43 (2004) 12-17.

DOI: 10.1021/ie030459c

Google Scholar

[6] Bertsch, P.M., Grant, W.T., Barnhisel, L., Characterization of hydroxyl-aluminum solutions by aluminium-27 Nuclear Magnetic Resonance Spectroscopy, Soil Science Society of America Journal 50 (1986) 825-829.

DOI: 10.2136/sssaj1986.03615995005000030051x

Google Scholar

[7] Wang, M. and Muhammed, M., Novel synthesis of Al13-cluster based alumina materials, NanoStructured Materials, Vol.11, 1999, 1219-1229.

DOI: 10.1016/s0965-9773(99)00412-2

Google Scholar

[8] Parker, D.R. and Bertsch, P.M, Formation of the Al13 tridecameric polycation under diverse synthesis conditions. Environmental Science and Technology 26 (1992) 914-921.

DOI: 10.1021/es00029a007

Google Scholar

[9] Dulko, J.M., Polyaluminum chlorides and polyaluminum chlorosulfates methods and compositions, United States Patent 5.985.234, 1999.

Google Scholar

[10] Graham N., Preparation and uses of polyferric sulphate, US Patent 5.785.862, 1998.

Google Scholar

[11] Bertsch, P.M., Conditions for Al13 polymer formation in partially neutralized aluminum solutions, Soil Science Society of America Journal 51 (1987) 825-828.

DOI: 10.2136/sssaj1987.03615995005100030046x

Google Scholar

[12] Tang H.X, Tian B.Z., Luan Z.K., Zhang Y., Inorganic polymer flocculant polyferric chloride, its properties, efficiency and production, In Chemical Water and Wastewater treatment, Vol. III, eds R. Klute and H. Hahn, Springer, Berlin, 1994, pp.57-69.

DOI: 10.1007/978-3-642-79110-9_5

Google Scholar

[13] Zhang, P., Hahn, H.H., Hoffmann, E., Zeng, G., Influence of some additives to aluminium species distribution in aluminium coagulants. Chemosphere 57 (2004) 1489-1494.

DOI: 10.1016/j.chemosphere.2004.08.066

Google Scholar

[14] Zouboulis A.I., Moussas P.A., Vasilakou F., Polyferric Sulphate: Preparation, characterization and application in coagulation experiments, submitted for publication in Journal of Hazardous Materials 2007.

DOI: 10.1016/j.jhazmat.2007.11.108

Google Scholar

[15] AWWA, AWWA standard for liquid polyaluminum chloride, American Water Works Association.

DOI: 10.12999/awwa.b408.98

Google Scholar

[16] Yasabie Abatneh, Omprakash Sahu, International Letters of Natural Sciences 3 (2014) 44-55. ( Received 15 January 2014; accepted 21 January 2014 )

Google Scholar