Leachate treatment by conventional coagulation, electrocoagulation and two stages coagulation (conventional coagulation and electrocoagulation)

Amdan, Nur Syahirah and Mohd Zin, Nur Shaylinda and Mohd Salleh, Siti Nor Aishah (2018) Leachate treatment by conventional coagulation, electrocoagulation and two stages coagulation (conventional coagulation and electrocoagulation). In: Water and Environmental Issues. Penerbit UTHM, pp. 10-22. ISBN 9789672183945

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Abstract

Leachate is widely explored and investigated due to highly polluted and difficult to treat. Leachate treatment commonly involves advanced, complicated and high cost activities. Conventional coagulation is widely used in the treatment of wastewater but the sludge production becomes the biggest constraint in this treatment. Electrocoagulation is an alternative to conventional method because it has the same application but produce less sludge and requires simple equipment. Thus, combination of conventional coagulation and electrocoagulation can improve the efficiency of coagulation process in leachate treatment. This article is focusing on the efficiency of single and combined treatment as well as the improvement made by combined treatment. Based on review, the percentage reduction of current density and dose of coagulant was perceptible. As much 50% reduction of current density, duration of treatment, and dose of coagulant able to be obtained by using combined treatment. This combined treatment is able to reduce the cost and at the same time reduce the duration of treatment. Hence, the combined treatment offers an alternative technique for landfill leachate treatment on the removal of pollutants.

Item Type:Book Section
Uncontrolled Keywords:Landfill; leachate treatment; coagulation-flocculation; electrocoagulation
Subjects:T Technology > TD Environmental technology. Sanitary engineering > TD201-500 Water supply for domestic and industrial purposes
Divisions:Faculty of Civil and Environmental Engineering > Department of Water and Environmental Engineering
ID Code:11116
Deposited By:Mr. Mohammad Shaifulrip Ithnin
Deposited On:13 May 2019 09:09
Last Modified:13 May 2019 09:09

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