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Related Experiment Videos

Optimization of control parameters for petroleum waste composting.

Y Ma1, J Y Zhang, M H Wong

  • 1Department of Biology and Institute for Natural Resource and Waste Management, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China. c9402920@hkbu.edu.hk

Journal of Environmental Sciences (China)
|November 29, 2001
PubMed
Summary

Optimizing in-vessel composting of petroleum waste requires specific conditions. Ideal parameters include temperatures of 56.5-59.5°C, pH 7.0-8.5, and 55-60% moisture for efficient hydrocarbon removal.

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Area of Science:

  • Environmental Science
  • Microbiology
  • Waste Management

Background:

  • Petroleum waste poses environmental challenges.
  • Composting is a viable biological treatment method for petroleum-contaminated materials.
  • In-vessel composting offers controlled conditions for waste degradation.

Purpose of the Study:

  • To determine optimal control parameters for in-vessel composting of petroleum waste.
  • To assess the impact of physical and chemical factors on microbial activity during composting.
  • To quantify the efficiency of petroleum hydrocarbon removal.

Main Methods:

  • Monitoring of physical parameters (temperature, moisture) and chemical parameters (pH).
  • Evaluation of microbial community influence on composting activity.

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  • Measurement of carbon dioxide (CO2) evolution and microbial counts to assess composting activity.
  • Quantification of petroleum hydrocarbon removal efficiency.

    • Main Results:

    • Optimal temperature range identified as 56.5-59.5°C.
    • Optimal pH range identified as 7.0-8.5.
    • Optimal moisture content range identified as 55%-60%.
    • Under optimal conditions, 83.29% of petroleum hydrocarbon was removed in 30 days.

    Conclusions:

    • Specific temperature, pH, and moisture levels are critical for effective petroleum waste composting.
    • Achieving optimal conditions significantly enhances microbial activity and hydrocarbon degradation.
    • In-vessel composting can efficiently treat petroleum waste, reducing environmental contamination.