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Production of nanopore structure bio-adsorbent from wood waste through a self-sustained carbonization process for landfill leachate treatment


Citation

Samsudin, Mohd Hafif and Hassan, Mohd Ali and Mohd Yusoff, Mohd Zulkhairi and Idris, Juferi and Ahmad Farid, Mohammed Abdillah and Lawal, Abu Bakar Abdullahi and Norrrahim, Mohd Nor Faiz and Shirai, Yoshihito (2022) Production of nanopore structure bio-adsorbent from wood waste through a self-sustained carbonization process for landfill leachate treatment. Biochemical Engineering Journal, 189. art. no. 108740. pp. 1-10. ISSN 1369-703X; ESSN: 1873-295X

Abstract

The discharge of leachate poses a serious risk to both surface water and groundwater from landfills. As rainwater and moisture seep through waste in landfills, it will release leachate which is high in concentration of organic matter and ammonium nitrogen. Adsorption process using activated carbon was used as one of the tertiary treatment processes in the landfill. This paper presents the utilization of biomass-based adsorbents to substitute the current activated carbon in the landfills. The carbonization process was employed using a 3-tonne self-sustained pool-type reactor, to produce micropores biochar as bio-adsorbent. The carbonization proceeds for 48 h using feedstocks with different initial moisture content of 20% and 40%. The biochar produced had microporosity ranging from 1.8 to 15.4 nm and a surface area of 192.9–231 m2/g. The use of biochar for landfill leachate treatment has shown satisfactory results, with COD, ammoniacal nitrogen, and total Kjeldahl nitrogen removal at 73%, 70%, and 97%, respectively, and heavy metals content value below the Malaysian discharge limits. This exemplifies the potential of biochar as a bio-adsorbent for treating landfill leachate and the feasibility of up-scaling biochar production from wood waste.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Biotechnology and Biomolecular Sciences
Institute of Plantation Studies
Institute of Tropical Forestry and Forest Products
DOI Number: https://doi.org/10.1016/j.bej.2022.108740
Publisher: Elsevier
Keywords: Bioadsorbent; Biochar; Landfill leachate; Tertiary treatment; Wood waste
Depositing User: Mr. Mohamad Syahrul Nizam Md Ishak
Date Deposited: 30 Jun 2024 23:26
Last Modified: 30 Jun 2024 23:26
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.bej.2022.108740
URI: http://psasir.upm.edu.my/id/eprint/102915
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