Evaluation Of Monitoring Indicators For The Post-Closure Care Of A Landfill For Msw Characterized With Low Lignin Content

Keywords

Food waste; Garden waste; Landfill management; Paper; Termination target value

Abstract

To understand the applicability of the termination indicators for landfill municipal solid waste (MSW) with low initial lignin content, four different accelerated landfill stabilization techniques were applied to anaerobic landfilled waste, including anaerobic flushing with water, anaerobic flushing with Fenton-treated leachate, and aerobic flushing with Fenton-treated and UV/H2O2-treated leachate. Termination indicators, including total organic carbon (TOC), ammonia-N (NH4+-N), the ratio of UV absorbance at 254nm to TOC concentration (SUVA254), fluorescence spectra of leachate, methane production, oxygen consumption, lignocellulose content, and humus-like content were evaluated. Results suggest that oxygen consumption related indicators used as a termination indicator for low-lignin-content MSW were more sensitive than methane consumption related indicators. Aeration increased humic acid (HA) and (HA+FA)/HyI content by 2.9 and 1.7 times compared to the anaerobically stabilized low-lignin-content MSW. On the other hand, both the fulvic acid (FA) and hydrophilic (HyI) fractions remained constant regardless of stabilization technique. The target value developed for low-lignin-content MSW was quite different than developed countries mainly due to low residual biodegradable organic carbon content in stabilized low-lignin-content MSW.

Publication Date

2-1-2015

Publication Title

Waste Management

Volume

36

Number of Pages

222-229

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1016/j.wasman.2014.10.031

Socpus ID

84921350893 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84921350893

This document is currently not available here.

Share

COinS