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Title: Effect of alkaline microwaving pretreatment on anaerobic digestion and biogas production of swine manure
Authors: Yu, Tao
Deng, Yihuan
Liu, Hongyu
Yang, Chunping
Wu, Bingwen
Zeng, Guangming
Lu, Li
Nishimura, Fumitake  kyouindb  KAKEN_id  orcid (unconfirmed)
Author's alias: 西村, 文武
Keywords: Applied microbiology
Water microbiology
Issue Date: 10-May-2017
Publisher: Springer Nature
Journal title: Scientific Reports
Volume: 7
Thesis number: 1668
Abstract: Microwave assisted with alkaline (MW-A) condition was applied in the pretreatment of swine manure, and the effect of the pretreatment on anaerobic treatment and biogas production was evaluated in this study. The two main microwaving (MW) parameters, microwaving power and reaction time, were optimized for the pretreatment. Response surface methodology (RSM) was used to investigate the effect of alkaline microwaving process for manure pretreatment at various values of pH and energy input. Results showed that the manure disintegration degree was maximized of 63.91% at energy input of 54 J/g and pH of 12.0, and variance analysis indicated that pH value played a more important role in the pretreatment than in energy input. Anaerobic digestion results demonstrated that MW-A pretreatment not only significantly increased cumulative biogas production, but also shortened the duration for a stable biogas production rate. Therefore, the alkaline microwaving pretreatment could become an alternative process for effective treatment of swine manure.
Rights: © The Author(s) 2017
This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.
DOI(Published Version): 10.1038/s41598-017-01706-3
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