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Bio-Optimization of Chemical Parameters and Earthworm Biomass for Efficient Vermicomposting of Different Palm Oil Mill Waste Mixtures

Author

Listed:
  • Parveen Fatemeh Rupani

    (Biofuels Institute, School of Environment and safety Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China
    These authors contributed equally to this work.)

  • Abbas F. M. Alkarkhi

    (Malaysian Institute of Chemical and Bioengineering Technology (MICET), Universiti Kuala Lumpur, Alor Gajah 78000, Melaka, Malaysia)

  • Mohammad Shahadat

    (Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology, IIT Delhi, New Delhi 110016, India
    These authors contributed equally to this work.)

  • Asha Embrandiri

    (Department of Agro-Based Industry, Universiti Malaysia Kelantan, Jeli Campus, Kelantan 17600, Malaysia)

  • Hany S. EL-Mesery

    (School of Agricultural Equipment Engineering, Jiangsu University, Zhenjiang 212013, China
    Department of Crop Handling and Processing, Agricultural Engineering Research Institute, Agricultural Research Center, Dokki, Giza 12618, Egypt)

  • Hongcheng Wang

    (Biofuels Institute, School of Environment and safety Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China)

  • Weilan Shao

    (Biofuels Institute, School of Environment and safety Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China)

Abstract

The present study reports mathematical modelling of palm oil mill effluent and palm-pressed fiber mixtures (0% to 100%) during vermicomposting process. The effects of different mixtures with respect to pH, C:N ratio and earthworms have been optimized using the modelling parameters. The results of analysis of variance have established effect of different mixtures of palm oil mill effluent plus palm press fiber and time, under selected physicochemical responses (pH, C:N ratio and earthworm numbers). Among all mixtures, 60% mixture was achieved optimal growth at pH 7.1 using 16.29 C:N ratio in 15 days of vermicomposting. The relationship between responses, time and different palm oil mill waste mixtures have been summarized in terms of regression models. The obtained results of mathematical modeling suggest that these findings have potential to serve a platform for further studies in terms of kinetic behavior and degradation of the biowastes via vermicomposting.

Suggested Citation

  • Parveen Fatemeh Rupani & Abbas F. M. Alkarkhi & Mohammad Shahadat & Asha Embrandiri & Hany S. EL-Mesery & Hongcheng Wang & Weilan Shao, 2019. "Bio-Optimization of Chemical Parameters and Earthworm Biomass for Efficient Vermicomposting of Different Palm Oil Mill Waste Mixtures," IJERPH, MDPI, vol. 16(12), pages 1-10, June.
    • Handle: RePEc:gam:jijerp:v:16:y:2019:i:12:p:2092-:d:239407
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    References listed on IDEAS

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    1. Abdul-Manan, Amir F.N. & Baharuddin, Azizan & Chang, Lee Wei, 2014. "A detailed survey of the palm and biodiesel industry landscape in Malaysia," Energy, Elsevier, vol. 76(C), pages 931-941.
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    Cited by:

    1. Esther Lee & Gerald Shurson & Sang-Hyon Oh & Jae-Cheol Jang, 2024. "The Management of Food Waste Recycling for a Sustainable Future: A Case Study on South Korea," Sustainability, MDPI, vol. 16(2), pages 1-17, January.

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