城市固体废物和农业废弃物的厌氧消化以及与奶牛粪便共消化的效果。
Anaerobic digestion of municipal solid waste and agricultural waste and the effect of co-digestion with dairy cow manure.
作者信息
Macias-Corral Maritza, Samani Zohrab, Hanson Adrian, Smith Geoffrey, Funk Paul, Yu Hui, Longworth John
机构信息
Department of Civil Engineering, New Mexico State University, MSC 3CE, P.O. Box 30001, Las Cruces, NM 88003, USA.
出版信息
Bioresour Technol. 2008 Nov;99(17):8288-93. doi: 10.1016/j.biortech.2008.03.057. Epub 2008 May 14.
Anaerobic digestion of dairy cow manure (CM), the organic fraction of municipal solid waste (OFMSW), and cotton gin waste (CGW) was investigated with a two-phase pilot-scale anaerobic digestion (AD) system. The OFMSW and CM were digested as single wastes and as combined wastes. The single waste digestion of CM resulted in 62m3 methane/ton of CM on dry weight basis. The single waste digestion of OFMSW produced 37m3 methane/ton of dry waste. Co-digestion of OFMSW and CM resulted in 172m3 methane/ton of dry waste. Co-digestion of CGW and CM produced 87m3 methane/ton of dry waste. Comparing the single waste digestions with co-digestion of combined wastes, it was shown that co-digestion resulted in higher methane gas yields. In addition, co-digestion of OFMSW and CM promotes synergistic effects resulting in higher mass conversion and lower weight and volume of digested residual.
采用两相中试规模厌氧消化（AD）系统，对奶牛粪便（CM）、城市生活垃圾有机组分（OFMSW）和轧棉废料（CGW）的厌氧消化进行了研究。OFMSW和CM分别作为单一废物以及混合废物进行消化。CM单一废物消化产生的甲烷量为62立方米/吨（基于干重）。OFMSW单一废物消化产生的甲烷量为37立方米/吨干废物。OFMSW和CM共消化产生的甲烷量为172立方米/吨干废物。CGW和CM共消化产生的甲烷量为87立方米/吨干废物。将单一废物消化与混合废物共消化进行比较，结果表明共消化产生的甲烷气体产量更高。此外，OFMSW和CM共消化促进了协同效应，从而实现更高的质量转化率，并降低了消化残余物的重量和体积。
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