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Abstract The Green Biorefinery (GBR) is a complex and full‐integrated system of environment‐ and resource‐protecting technologies for comprehensive material and energetic use of green biomasses. GBR's are multiproduct systems and perform and produce in accordance with the physiology of the corresponding plant material preserving and using the diversity of the synthesis generated by nature. In addition to the general biorefinery concept, GBR's are based strongly on sustainable principles (sustainable land use, sustainable raw materials, gentle technologies, autarkic energy supply, etc.). Existing agricultural structures of the green crop processing industry, such as green crop drying plants, offer good opportunities for the implementation of biorefinery technologies that will help overcoming energy‐intensive and partially obsolete technologies, such as the thermal drying of feedstock. Accordingly, the primary fractionation of green biomasses and the integrated production of proteins, fermentation media, animal feed, and biogas was projected and will be realized in a demonstration facility directly linked to the existing green crop drying plant, Selbelang, in Havelland (Germany, state Brandenburg, 50 km west of Berlin). The primary refinery will have an annual capacity of 20 000 tons alfalfa and grass biomass and can be diversified in modules for the production of platform chemicals and synthesis gas. We discuss the processes, products, operating costs and climate protection effects through examination of the basic engineering of the primary refinery. The production site and planned demonstration facility are also presented. Copyright © 2010 Society of Chemical Industry and John Wiley & Sons, Ltd
Kamm et al. (Sat,) studied this question.