Consequential environmental life cycle assessment of a farm-scale biogas plant
文摘
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We conducted a consequential LCA (cLCA) of a farm-scale biogas plant.

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We discussed assumptions on processes displaced by co-product and input uses.

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Identifying the marginal electricity production technology is decisive.

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Digestate use displaces fertilizers but induces acidification and eutrophication.

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Biogas plants should not be fed with by-products previously used in animal feed.

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