Environmental Science and Pollution Research

, Volume 25, Issue 31, pp 30847–30862 | Cite as

A review on removal of siloxanes from biogas: with a special focus on volatile methylsiloxanes

  • Maocai Shen
  • Yaxin ZhangEmail author
  • Duofei Hu
  • Jinshi Fan
  • Guangming Zeng
Review Article


The occurrence of siloxanes is a major barrier to use of biogas as renewable energy source, and removal of siloxanes from biogas before combustion is needed. The siloxane can be transformed into silicon dioxide (SiO2) through the combustion process in engine, which will be deposited on the spark plug, cylinder, and impeller to form the silica layer, causing the wear and damage of the engine parts, and shorten the life of the engine and affect the utilization efficiency of the biogas. This paper reviewed some methods and technologies for siloxanes removal from biogas. There are three commercial available technologies to remove siloxanes: adsorption, absorption, and cryocondensation. Other newer technologies with better prospects for development also have made a research progress, including membrane, catalysts, biotrickling filters. This work introduces the source and characterization of siloxanes in biogas, reviews the scientific progress of siloxanes removal, and discusses the development direction and further research of removal siloxanes.


Volatile methylsiloxanes Biogas Landfill gas Purification Biological technology 


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.College of Environmental Science and EngineeringHunan UniversityChangshaPeople’s Republic of China
  2. 2.Key Laboratory of Environmental Biology and Pollution Control (Hunan University)Ministry of EducationChangshaPeople’s Republic of China

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