Organic Waste Composting: A Resource Recovery Approach towards Sustainable Environment

  • Maria Abdullah Butt University of Management and Technology
  • Hafiz Muhammad Umer Aslam Department of Chemistry, School of Science, University of Management and Technology, Johar Town, Lahore, Pakistan
  • Firdaus-e- Bareen University of the Punjab, Lahore
  • Muhammad Shafiq University of the Punjab, Lahore
  • Farhan Ahmad Butt Albert-Ludwigs University, Freiburg, Germany
  • Maham Shahid University of the Punjab, Lahore
  • Amna Javaid University of the Punjab, Lahore
  • Ahmed Husnain University of the Punjab, Lahore
Keywords: Composting, Resource Recovery, Waste Management, Sustainability

Abstract

Organic waste (including kitchen, garden/lawn, and agricultural waste) were subject
to composting through static pile and soil pit composting techniques to determine the best
method for managing the organic fraction of Municipal Solid Waste (MSW). These
conventional methods were used with some innovations (by using soil as seed compost and
aeration assembly) to increase the efficiency while keeping the process cost effective.
Quantitative parameter analysis of initial feedstocks such as weight, moisture content (MC)
and bulk density (BD) were measured before setting up each experiment. Temperature
variation was monitored on a daily basis and measurement of CO2 emission on weekly basis.
Moreover, mixing of feedstock for aeration and applying water for optimum moisture content
were also subject to weekly activities. Final compost from each experiment was analyzed
against physical and chemical parameters such as colour, MC, BD, water holding capacity, pH
and electrical conductivity. Aerobic soil pit showed better results among other composting
techniques with with BD of 530±0.01 kg/m3
, MC 37.40±0.26 %, water holding capacity
94±0.45 %, pH 8.00±0.10 and electrical conductivity 1.06±14.42 dS/m. Based on the
experiment’s results, there were two conclusions drawn, first the application of soil proved to
be very helpful as seed compost in a static pile showing good results. Secondly, soil pit
composting with modification of passive aeration also proved it as a potential technique to
manage organic waste.

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Published
2019-10-23
How to Cite
Butt, M., Aslam, H., Bareen, F.- e-, Shafiq, M., Butt, F., Shahid, M., Javaid, A., & Husnain, A. (2019). Organic Waste Composting: A Resource Recovery Approach towards Sustainable Environment. Proceedings of the World Conference on Waste Management, 1(2), 30-41. https://doi.org/10.17501/26510251.2019.1203