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Title: Application of organic coagulants in water and wastewater treatment
Other Titles: Organic Polymers
Authors: Tetteh, Emmanuel Kweinor
Rathilal, Sudesh
Keywords: Coagulation;Organic polymers;Water and wastewater;Purification
Issue Date: 3-Apr-2019
Publisher: IntechOpen
Source: Tetteh, E.K., Rathilal, S. 2020. Application of organic coagulants in water and wastewater treatment. In: Sand, A. ed. Organic polymers. London: IntecOpen. doi:10.5772/intechopen.84556
Coagulation is an essential mechanism that occurs in most conventional water
and wastewater treatment plants. This occurs in a physical purification unit involving
transport processes and the addition of coagulants for chemical reactions, charge
neutralization, and formation of smaller flocs to agglomerate into larger flocs. This
enhances the effective removal of recalcitrant contaminants by downstream processes.
However, poor treatment of wastewater might have a high negative impact
on biodiversity and the environment in general. This chapter seeks to address the
limitation of employing inorganic coagulants by evaluating the efficiency of organic
coagulants and exploring the factors and mechanism governing coagulation in a
physiochemical treatment process of water and wastewater resources. The effect of
pH, coagulant type and dosage to ease the high sludge production and discharge of
residual metals into the downstream waters is addressed. The emerging of organic
coagulants and technology to mitigate the performance and recovery of mineral
coagulants from wastewater treatment residual is been proposed.
ISBN: 9781789845730
DOI: 10.5772/intechopen.84556
Appears in Collections:Research Publications (Engineering and Built Environment)

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