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Pilot scale high solids anaerobic digestion of steam autoclaved municipal solid waste (MSW) pulp

Author

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  • Holtman, Kevin M.
  • Bozzi, David V.
  • Franqui-Villanueva, Diana
  • Offeman, Richard D.
  • Orts, William J.

Abstract

Steam autoclaving is an efficient method for the separation and near complete recovery of organics from MSW. The material produced by the autoclave contains a high concentration of solubilized food waste absorbed onto a lignocellulosic matrix. Reported here is the operation of a 1500 gal (5677 L) high solids anaerobic digester to digest this feedstock. Total solids (TS) reductions were high, 56%, and volatile solids (VS) and biodegradable volatile solids (BVS) reductions were 63 and 79%, respectively. Gas yields were also high, producing 248 L CH4/kg VS fed or 393 L CH4/kg VS destroyed at a methane content of 60%. Unique design elements such as hydraulic conveyance of material, in situ classification, and in-place buffering to maintain pH stability were tested and confirmed. The digestate passed all criteria for land application of biosolids in the US, but exceeded the EU limits for Cu, Ni, and Zn.

Suggested Citation

  • Holtman, Kevin M. & Bozzi, David V. & Franqui-Villanueva, Diana & Offeman, Richard D. & Orts, William J., 2017. "Pilot scale high solids anaerobic digestion of steam autoclaved municipal solid waste (MSW) pulp," Renewable Energy, Elsevier, vol. 113(C), pages 257-265.
    • Handle: RePEc:eee:renene:v:113:y:2017:i:c:p:257-265
    DOI: 10.1016/j.renene.2017.03.050
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    Cited by:

    1. Cheng, F. & Brewer, C.E., 2021. "Conversion of protein-rich lignocellulosic wastes to bio-energy: Review and recommendations for hydrolysis + fermentation and anaerobic digestion," Renewable and Sustainable Energy Reviews, Elsevier, vol. 146(C).
    2. Li, Wanwu & Khalid, Habiba & Amin, Farrukh Raza & Zhang, Han & Dai, Zhuangqiang & Chen, Chang & Liu, Guangqing, 2020. "Biomethane production characteristics, kinetic analysis, and energy potential of different paper wastes in anaerobic digestion," Renewable Energy, Elsevier, vol. 157(C), pages 1081-1088.
    3. Bi, Shaojie & Qiao, Wei & Xiong, Linpeng & Mahdy, Ahmed & Wandera, Simon M. & Yin, Dongmin & Dong, Renjie, 2020. "Improved high solid anaerobic digestion of chicken manure by moderate in situ ammonia stripping and its relation to metabolic pathway," Renewable Energy, Elsevier, vol. 146(C), pages 2380-2389.
    4. Arif, Sania & Liaquat, Rabia & Adil, Manal, 2018. "Applications of materials as additives in anaerobic digestion technology," Renewable and Sustainable Energy Reviews, Elsevier, vol. 97(C), pages 354-366.

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