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Submitted: 15 Nov 2015
Accepted: 15 Dec 2015
ePublished: 15 Oct 2017
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Avicenna J Environ Health Eng. 2015;2(2): 5836-5836.
doi: 10.17795/ajehe-5836
  Abstract View: 518
  PDF Download: 308

Research Article

Potential Use of Polyaluminium Chloride and Tobacco Leaf as Coagulant and Coagulant Aid in Post-Treatment of Landfill Leachate

Nurfarahim Rusdiza 1, Hamidi Abdul Aziz 1, Mohd Omar Fatehah 1 *

1 School of Civil Engineering, Universiti Sains Malaysia, Pulau Pinang, Malaysia
* Corresponding author: Mohd Omar Fatehah, School of Civil Engineering, Universiti Sains Malaysia, Pulau Pinang, Malaysia. Tel: +60-45996293, Fax: +60-45941009, cefatehah@usm.my

Abstract

A study was conducted to treat stabilized leachate by applying polyaluminium chloride (PAC) and tobacco leaf extract as a coagulant and coagulant aid. Experimental results indicated that the tobacco leaves were positively charged. The removal rate of the chemical oxygen demand, using 1500 mg/L PAC as a sole coagulant, was approximately 63% and increased to 91% when 1000 mg/L PAC was mixed with 1000 mg/L tobacco leaf. Additionally, 1500 mg/L PAC with 250 - 1000 mg/L tobacco leaf and 54% ammoniacal nitrogen was removed, compared with only 46% reduction using 1500 mg/L with only 46% reduction.
Keywords: Polyaluminium Chloride (PAC), Tobacco Leaf, Landfill Leachate, Coagulation-Flocculation

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