Biohydrogen and biomethane production sustained by untreated matrices and alternative application of compost waste

摘要: Biohydrogen and biomethane production offers many advantages for environmental protection over the fossil fuels or existing physical-chemical methods hydrogen methane synthesis. The aim of this study is focused on exploitation several samples from composting process: (1) a mixture waste vegetable materials (“Mix”); (2) an unmatured compost sample (ACV15); (3) three types green with different properties soil improver quality (ACV1, ACV2 ACV3). These were tested biohydrogen production, thus obtaining second generation biofuels resulting in novel possibility to manage renewable biomasses. The ability these substrates as original feed during dark fermentation was assayed anaerobically batch, glass bottles, order determine optimal operating conditions and/or using “Mix” ACV1, ACV3 limited amount water. Hydrogen could be produced fast kinetic range 0.02–2.45 mL H2 g−1 VS, while slower 0.5–8 CH4 VS. It observed that composition each influenced significantly gas production. also addition water amounts play crucial role development methane. This parameter can used push towards alternative one another gas. Hydrogen detected spontaneously matrices, without additional sources nutrients any pre-treatment, suggesting they inoculum into single two-stage plants. might allow use low further applications.