Department of Biosystems and Agricultural Engineering, Michigan State University, East Lansing, MI 48824, USA.
Bioresour Technol. 2013 Feb;130:418-23. doi: 10.1016/j.biortech.2012.12.032. Epub 2012 Dec 13.
Five different ratios of corn stover to swine manure were investigated to evaluate the performance of anaerobic digestion and the quality of anaerobically digested fiber (AD fiber) as a feedstock for bioethanol production. The stover-to-manure ratio of 40:60 generated 364L biogas and 797g AD fiber per kg of dry raw feedstock daily. The AD fibers after digestion were pretreated and hydrolyzed to release sugars for ethanol fermentation. The stover-to-manure ratio of 40:60 was able to produce 152g methane and 50g ethanol per kg of dry raw feedstock. The net energy generated from the ratio 40:60 was 5.5MJkg(-1) dry raw feed, which was an 18% increase on net energy output compared to the other ratios and proved to be most beneficial for a biorefinery.
五种不同比例的玉米秸秆与猪粪被用来评估厌氧消化的性能,以及作为生物乙醇生产原料的厌氧消化纤维(AD 纤维)的质量。干原料的秸秆与猪粪比例为 40:60 时,每天每公斤可产生 364 升沼气和 797 克 AD 纤维。消化后的 AD 纤维经过预处理和水解,释放出用于乙醇发酵的糖。秸秆与猪粪的比例为 40:60 时,每公斤干原料可生产 152 克甲烷和 50 克乙醇。比例为 40:60 时产生的净能量为 5.5MJkg(-1)干原料,与其他比例相比,净能量输出增加了 18%,这证明对生物精炼厂最有利。