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Feasibility Study of Potential Use of Pulp and Paper Mill Fly Ash as a Co-Composting Material

Author

Listed:
  • Jingjing Ling
  • He Zhang
  • Tahir Husain
  • Khoshrooz Kazemi

    (Faculty of Engineering and Applied Science, Memorial University of Newfoundland, Canada)

Abstract

The fly ash waste from local pulp and paper industry was mixed with municipal sewage sludge (bio solids) as a co-composting material to investigate the feasibility of applying carbon-enriched fly ash in improving the quality of bio solids generated from water treatment facility. Parallel experiments were conducted under the same composting conditions, only in one of which the fly ash was added. The other without adding fly ash was used as a control. The composting parameters, including pH, moisture content and carbon to nitrogen ratio, electrical conductivity and germination index, of the parallel experiments were monitored for 30 days. Meanwhile, the microbial activity, an important indicator of compost maturity, was examined through plate counting. Free PAHs in the compost system was also measured to investigate the degree of biodegradation in the composting system. The results of parallel experiments were compared to evaluate the feasibility of using ash as a stabilizer.

Suggested Citation

  • Jingjing Ling & He Zhang & Tahir Husain & Khoshrooz Kazemi, 2017. "Feasibility Study of Potential Use of Pulp and Paper Mill Fly Ash as a Co-Composting Material," International Journal of Environmental Sciences & Natural Resources, Juniper Publishers Inc., vol. 5(5), pages 167-173, - October.
    • Handle: RePEc:adp:ijesnr:v:5:y:2017:i:5:p:167-173
    DOI: 10.19080/IJESNR.2017.05.555675
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    Keywords

    earth and environment journals; environment journals; open access environment journals; peer reviewed environmental journals; open access; juniper publishers; ournal of Environmental Sciences; juniper publishers journals ; juniper publishers reivew;
    All these keywords.

    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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