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首页> 美国卫生研究院文献>Biotechnology for Biofuels >Reduced use of phosphorus and water in sequential dark fermentation and anaerobic digestion of wheat straw and the application of ensiled steam-pretreated lucerne as a macronutrient provider in anaerobic digestion
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Reduced use of phosphorus and water in sequential dark fermentation and anaerobic digestion of wheat straw and the application of ensiled steam-pretreated lucerne as a macronutrient provider in anaerobic digestion

机译：减少小麦秸秆的连续黑暗发酵和厌氧消化中的磷和水的使用以及青贮蒸汽预处理的卢塞恩作为厌氧消化中大量营养物的应用

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BackgroundCurrent EU directives demand increased use of renewable fuels in the transportation sector but restrict governmental support for production of biofuels produced from crops. The use of intercropped lucerne and wheat may comply with the directives. In the current study, the combination of ensiled lucerne (Medicago sativa L.) and wheat straw as substrate for hydrogen and methane production was investigated. Steam-pretreated and enzymatically hydrolysed wheat straw [WSH, 76% of total chemical oxygen demand (COD)] and ensiled lucerne (LH, 24% of total COD) were used for sequential hydrogen production through dark fermentation and methane production through anaerobic digestion and directly for anaerobic digestion. Synthetic co-cultures of extreme thermophilic Caldicellulosiruptor species adapted to elevated osmolalities were used for dark fermentation.
机译：背景技术当前的欧盟指令要求在交通运输领域增加使用可再生燃料，但限制了政府对农作物生产生物燃料生产的支持。间作的卢塞恩和小麦的使用可能符合该指令。在当前的研究中，研究了青贮的苜蓿（Medicago sativa L.）和小麦秸秆作为制氢和产甲烷的基质的组合。蒸汽预处理和酶水解的小麦秸秆[WSH，占总化学需氧量（COD）的76％]和青贮的卢塞恩（LH，占总化学需氧量的24％）用于通过暗发酵连续生产氢气，通过厌氧消化和连续生产甲烷直接用于厌氧消化。适应高渗透压的极端嗜热的Caldicellulosiruptor物种的合成共培养用于黑暗发酵。

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