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Effect of holding time during pyrolysis on thermochemical and physical properties of biochars derived from goat manure

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Abstract

The utilization of animal manure for biochar production has received much attention mainly due to the global warming and crop production. In this work, goat manure (GM) was evaluated as a potential feedstock for preparing biochars. Its thermochemical characterization was first investigated by the proximate analysis and thermogravimetric analysis (TGA), showing that the biomass obviously comprises a large percentage of lignocellulosic constituents. A series of pyrolysis experiments were conducted to produce biochars from dried GM at different holding times (0, 15, 30, 45, and 60 min) during the pyrolysis of 500 °C. To evaluate their potential for energy use and soil ameliorant, the resulting biochars were subject to the analyses of chemical and physical properties, including proximate analysis, calorific value, pore property (surface area and pore volume) and true density. The results showed that holding time is a less important process parameter influencing the characterization of goat-manure-derived biochars.

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Authors and Affiliations

  1. Department of Tropical Agriculture and International Cooperation, National Pingtung University of Science and Technology, Pingtung, 912, Taiwan

    Njagga Touray

  2. Graduate Institute of Bioresources, National Pingtung University of Science and Technology, Pingtung, 912, Taiwan

    Wen-Tien Tsai

  3. Department of Environmental Science and Engineering, National Pingtung University of Science and Technology, Pingtung, 912, Taiwan

    Ming-Hsuan Li

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  1. Njagga Touray
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  2. Wen-Tien Tsai
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  3. Ming-Hsuan Li
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Correspondence to Wen-Tien Tsai.

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Touray, N., Tsai, WT. & Li, MH. Effect of holding time during pyrolysis on thermochemical and physical properties of biochars derived from goat manure. Waste Biomass Valor 5, 1029–1033 (2014). https://doi.org/10.1007/s12649-014-9315-6

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  • DOI: https://doi.org/10.1007/s12649-014-9315-6

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