4. Conclusions
The study showed that vetiver plant can be used as a raw material for biogas production.
The highest biogas yield, daily biogas yield and biomass utilization of the sampled plants growing vigorously were 140434 m3/m3/t, 3266 m3/m3/t/d, 58.46 %, respectively.
During the process of the anaerobic digestion, plant nutrient such as N and P had less change and exited in the fermentation system.
The results suggested that ecological protect and energy production could exist in a circulation system, which might be most deeply studied to maximize the benefits.
4. ConclusionsThe study showed that vetiver plant can be used as a raw material for biogas production.The highest biogas yield, daily biogas yield and biomass utilization of the sampled plants growing vigorously were 140434 m3/m3/t, 3266 m3/m3/t/d, 58.46 %, respectively.During the process of the anaerobic digestion, plant nutrient such as N and P had less change and exited in the fermentation system. The results suggested that ecological protect and energy production could exist in a circulation system, which might be most deeply studied to maximize the benefits.
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