Investigation of Chicken Litter Conversion into Useful Energy Resources by Using Low Temperature Pyrolysis

Energy Procedia Pub Date : 2019-03-01 DOI:10.1016/j.egypro.2019.02.057

L.M. Simbolon , D.S. Pandey , A. Horvat , M. Kwapinska , J.J. Leahy , S.A. Tassou

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引用次数: 8

Abstract

The global production of poultry is predicted to grow considerably in the future. Intensive poultry farming poses significant challenges to traditional waste disposal methods (i.e. direct land application) leading to environmental impacts. This paper discusses the result of low temperature (350-450 °C) pyrolysis of representative chicken litter as the feedstock. Four different feedstocks comprised of 50% organic chicken manure and 50% bedding materials (i.e. hay, straw, rice husk and wood shavings) have been experimentally investigated. The products of the pyrolysis process consist of char, gas and liquid (bio-oil). Maximum char production from the rice husk mix is over 67 wt.%, while the wood shavings mix feedstock resulted in the highest liquid yield of 44.4 wt.% at a temperature of 400 °C. Chicken litter and its char product are analysed by elemental analyser and bomb calorimetry. The composition of the evolved gases and bio-oil are analysed by micro gas chromatography (µ-GC) and gas chromatography-mass spectrometry (GC-MS), respectively. In addition, the mass and energy balance of the pyrolysis process are presented.

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鸡粪低温热解转化为有用能源的研究

预计未来全球家禽产量将大幅增长。集约化家禽养殖对传统的废物处理方法(即直接土地利用)提出了重大挑战，导致环境影响。本文讨论了低温(350-450℃)裂解有代表性的鸡粪作为原料的结果。由50%有机鸡粪和50%垫料(即干草、稻草、稻壳和木屑)组成的四种不同的原料进行了实验研究。热解过程的产物包括炭、气体和液体(生物油)。稻壳混合物的最大焦炭产量超过67 wt.%，而木屑混合原料在400°C的温度下产生的最高液体产量为44.4% wt.%。采用元素分析仪和弹量热法对鸡粪及其焦化产物进行了分析。利用微气相色谱法(µ-GC)和气相色谱-质谱法(GC-MS)分析了析出气体和生物油的组成。此外，给出了热解过程的质量和能量平衡。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Energy Procedia

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