| 餐厨废弃物厌氧发酵工艺优化 |
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| 引用本文： | 袁丽霞,陈祥松,刘伟伟,毛碧飞,吴金勇,姚建铭.餐厨废弃物厌氧发酵工艺优化[J].安徽农业科学,2016,44(36):100-103. |
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| 作者姓名： | 袁丽霞 陈祥松 刘伟伟 毛碧飞 吴金勇 姚建铭 |
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| 作者单位： | 中国科学院合肥物质科学研究院等离子体物理研究所，安徽合肥230031;安徽省淮南新能源研究中心，安徽淮南232000;中国科学院合肥物质科学研究院等离子体物理研究所，安徽合肥230031;安徽农业大学工学院，安徽合肥230036 |
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| 基金项目： | 合肥物质科学技术中心方向项目培育基金项目(2014FXCX006)；淮南市科技计划项目(2014A15)；中科院合肥分院等离子体物理研究所科学基金项目( DSJJ－15－YY02)。 |
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| 摘 要： | 目的]考察温度、有机负荷、接种量3个关键参数对餐厨废弃物厌氧发酵过程的综合影响。方法]采用正交试验法综合考察了批量式发酵过程餐厨废弃物产沼气及降解效果,并进行了验证试验。结果]温度是影响餐厨废弃物厌氧发酵的显著因素;最佳发酵条件为温度35℃、接种量350 g、有机负荷40 g,在此条件下发酵产气中平均CH4含量可达68.75%,TS产气率及VS产气率分别为661.96和708.97 m L/g,能源转化效率可达79.92%。结论]可为以餐厨废弃物为原料的沼气工程提供技术参考。
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| 关 键 词： | 餐厨废弃物 厌氧发酵 参数 正交试验 优化 |
Optimization of Anaerobic Digestion of Food Waste |
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| Abstract: | Objective] Three key parameters (temperature, organic loading and inoculation amount) were investigated for the influence of food waste anaerobic digestion.Method] Orthogonal test was conducted to investigate biogas production and raw materials degradation in batch fer-mentation reactors.The verification test was also carried out.Result] Temperature was the most significant influence factor;the optimum param-eters for food waste anaerobic digestion were 35 ℃, 350 g of inoculation amount and 40 g of organic loading.The average methane concentration was 68.75%, the total solid (TS) and volatile solids (VS) biogas production rate were 661.96 and 708.97 mL/g, and the energy conversion rate reached 79.92%.Conclusion] The present work provides a technical reference for the large scale food waste biogas project. |
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| Keywords: | Food waste Anaerobic digestion Parameters Orthogonal test Optimization |
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