Production, Treatment, Utilization and Future Opportunities of Biogas

Dear Colleagues,

In recent decades, anaerobic digestion technology has gained popularity as a solution to environmental and energy challenges and has been identified as one tool among many that may be used to alleviate the problems of global warming. Humans generate over 100 billion tonnes of organic wastes globally each year, which should be seen as a potential resource rather than a problem. Anaerobic digestion is quite a versatile technology. It can be applied to different types of organic waste streams and energy crops, i.e., liquid (wastewaters), solid (solid waste and crops), and semi-liquid (slurries). In addition, anaerobic digestion systems are versatile in terms of flexibility and scalability to recover the resources contained in the aforementioned feedstocks. As a renewable energy source, biogas also offers a multifunctionality key role, as it can be compressed, stored, upgraded, and even liquified. This must be seen as a great opportunity for biogas development as it opens the possibility to exploit the natural gas and liquefied natural gas infrastructures for biogas.

Therefore, the general target of the present Special Issue is to contribute to the expansion of knowledge in this field, promoting research focused on biogas production, upgrading, and utilization.

Dr. Carlos Rico de la Hera
Guest Editor

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