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Current status of biogas upgrading for direct biomethane use: A review

Journal Article · · Renewable and Sustainable Energy Reviews
 [1];  [2];  [3];  [4];  [4];  [5];  [6];  [3];  [7]
  1. Washington State Univ. Tri-Cities, Richland, WA (United States); University of Agriculture (Pakistan); OSTI
  2. Washington State Univ. Tri-Cities, Richland, WA (United States); National Univ. of Singapore (Singapore); Energy and Environmental Sustainability for Megacities (E2S2) (Singapore)
  3. Univ. of Idaho, Moscow, ID (United States)
  4. Korea Univ., Seoul, (Korea, Republic of)
  5. Energy and Environmental Sustainability for Megacities (E2S2) (Singapore); National Univ. of Singapore (Singapore)
  6. Moscow State Univ., Moscow (Russian Federation)
  7. Washington State Univ. Tri-Cities, Richland, WA (United States)
Anaerobic digestion produces biogas, a mixture of CH4 and CO2, where CH4 is a low cost, environmentally friendly, and renewable energy source. The application of biogas production is increasing rapidly as a means of reducing the pollution impact of organic biomasses. However, biogas contains unwanted elements such as hydrogen sulfide, carbon monoxide, siloxanes, and carbon dioxide. To remove these elements, several biogas upgrading technologies like water scrubbing, amine scrubbing, pressure swing adsorption, and membrane separation have been developed and are being used at various commercial scales. Problems with these methods are high energy consumption, the use of expensive chemicals, and high operating cost. Therefore, a major effort is currently underway to improve the design of existing methods as well as developing innovative new upgrading technologies such as cryogenic separation and biological upgrading. Here, this review intends to provide a comprehensive overview of the limitations with the existing upgrading technologies along with recent advances in physical, chemical, and biological biogas upgrading technologies (e.g., pressure swing adsorption, membrane separation, biochar adsorption and CO2 conversion by biological organisms) and further into possible future solutions, such as hybrid systems. Comparative studies of process complexities and associated economic concerns are also provided, and future perspectives that may facilitate research into sustainable biogas upgrading technologies are discussed, focusing in particular on cryogenic separation, novel biological techniques, biochar based upgrading and hybrid technologies incorporating two or more different methods seamlessly integrated.
Research Organization:
Sunvapor, Inc., Livermore, CA (United States); Washington State University, Pullman, WA (United States)
Sponsoring Organization:
USDOE; USDOE Office of Energy Efficiency and Renewable Energy (EERE); USDOE Office of Energy Efficiency and Renewable Energy (EERE), Office of Sustainable Transportation. Bioenergy Technologies Office (BETO)
Grant/Contract Number:
EE0008933; EE0008993
OSTI ID:
1977613
Alternate ID(s):
OSTI ID: 2386926
OSTI ID: 1798255
Journal Information:
Renewable and Sustainable Energy Reviews, Journal Name: Renewable and Sustainable Energy Reviews Journal Issue: C Vol. 149; ISSN 1364-0321
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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  • Linville, Jessica L.; Shen, Yanwen; Ignacio-de Leon, Patricia A.
  • Waste Management & Research: The Journal for a Sustainable Circular Economy, Vol. 35, Issue 6 https://doi.org/10.1177/0734242X17704716
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