alexa Aged Refuse Characterization as Resource for Wastewater Treatment and Landfill Remediation
E-ISSN: 2252-5211

International Journal of Waste Resources
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Research Article

Aged Refuse Characterization as Resource for Wastewater Treatment and Landfill Remediation

Anijiofor Chinenyenwa1,2, Norsyhariati Nik1*, Idrus Syazwani1 and Ahsan Amimul1

1Department of Civil Engineering, Faculty of Engineering, University Putra Malaysia, Selangor, Malaysia

2Department of Civil Engineering, College of Engineering, Federal Polytechnic Birnin Kebbi, Kebbi State, Nigeria

*Corresponding Author:
Norsyhariati Nik
Department of Civil Engineering
Faculty of Engineering
University Putra Malaysia
Selangor, Malaysia
Tel: +60389464349
E-mail: [email protected]

Received Date: March 15, 2017; Accepted Date: March 28, 2017; Published Date: April 05, 2017

Citation: Chinenyenwa A, Nik N, Syazwani I, Amimul A (2017) Aged Refuse Characterization as Resource for Wastewater Treatment and Landfill Remediation. Int J Waste Resour 7:269. doi: 10.4172/2252-5211.1000269

Copyright: © 2017 Chinenyenwa A, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Landfilling has become the most effective solid waste disposal option in developing countries. Aged Refuse (AR) in this context is solid wastes from landfill which has become stabilized after several years of placement. The aged refuse sampled from Air Hitam landfill site in Malaysia is characterized as follows: moisture content 29.5%, Loss on Ignition (LOI) 9.90%, porosity 51%, ash content 95.99%, bulk density 1.23 g/cm3, hydraulic conductivity 0.31 cm/min, electrical conductivity 143.10 ms/cm and Carbon-Nitrogen-Sulphur (CNS) of 0.64%, 0.04% and 0.009%, respectively. Cation Exchange Capacity (CEC) is 2.69 meq/100 gm, with exchangeable cations of Calcuim, Magnesium, Potassium and Sodium. The SEM/EDX showed available specific surface area of 3.376 m2/g and negligible heavy metals presence with abundance of Silicon and Oxygen as compounds. The AR texture is similar to loamy clay, with the abundance of microbes at 7.1 × 106 CFU/100 ml, which removed up to 92.1. 88.6, 68.0, 84.7 and 95.1% of COD, turbidity, chromium, NH3-N and colour, respectively from fishpond wastewater.


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