不同牲畜粪便作为接种物对厨余垃圾厌氧消化及其动力学的影响。
Effect of different livestock dungs as inoculum on food waste anaerobic digestion and its kinetics.
机构信息
Department of Civil Engineering, Indian Institute of Technology Guwahati, Guwahati 781039, India.
Department of Civil Engineering, Indian Institute of Technology Guwahati, Guwahati 781039, India.
出版信息
Bioresour Technol. 2015 Mar;180:237-41. doi: 10.1016/j.biortech.2014.12.066. Epub 2015 Jan 6.
The aim of this study was to evaluate the effect of different livestock inoculums on the anaerobic digestion of food waste (FW). Five different livestock dungs i.e., poultry dung (PD), goat dung (GD), cow dung (CD), piggery dung (PGD) and rhinoceros dung (RD) were utilized as inoculums and their effects were valued in various food to microorganism (F/M) ratios in batch reactors. Different livestock dungs achieved higher methane production and volatile solids (VS) reduction in different F/M ratios such as PD, GD, CD, PGD and RD achieved at F/M ratio maintained at 1.5, 2, 2, 1.5 and 1.5, respectively. The results indicated that CD and PGD inoculum were more suitable for the anaerobic digestion of FW than other livestock dungs. Reactors inoculated with CD achieved higher methane production (227mLg(-1)VS degraded) and volatile solids degradation (54.58%) at F/M ratio maintained at 2.
本研究旨在评估不同牲畜接种物对食物垃圾（FW）厌氧消化的影响。使用了五种不同的牲畜粪便，即家禽粪便（PD）、山羊粪便（GD）、牛粪（CD）、猪圈粪便（PGD）和犀牛粪便（RD）作为接种物，并在分批式反应器中评估了它们在不同食物与微生物（F/M）比例下的效果。不同的牲畜粪便在不同的 F/M 比例下实现了更高的甲烷产量和挥发性固体（VS）减少，例如 PD、GD、CD、PGD 和 RD 在维持在 1.5、2、2、1.5 和 1.5 的 F/M 比例下实现了这一点。结果表明，与其他牲畜粪便相比，CD 和 PGD 接种物更适合 FW 的厌氧消化。在 F/M 比例维持在 2 的情况下，用 CD 接种的反应器实现了更高的甲烷产量（227mLg(-1)VS 降解）和挥发性固体降解（54.58%）。
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