Perspectives on using pulse electric field to enhance biogas yield in anaerobic digestion

The usage of pulsed electric field for conditioning substrates can significantly enhance biogas yield in commercial biogas plants. Although the primary effect of the electric field is cracking cell structures for better availability of nutrition, other effects like shockwave, electrophoresis or influence on the metabolic condition of cells can play a role. The aim of this review is the presentation of possible effects and a judgement in terms of economic factors like biogas yield and hydraulic retention time.

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