Method for enabling methane fermentation plants for the material and energetic utilization of lignocellulose-containing biogenic starting materials and arrangement for carrying out the method

摘要

Method for enabling methane fermentation plants for the material and energetic utilization of lignocellulose-containing biogenic feedstocks by successive coupling of the process stages - holding of the starting materials, - suspending the starting materials, - hydrolyzing the biosuspension produced, - methane fermentation of the hydrolyzates produced, - secondary fermentation of the fermentation substrates from the methane fermentation, - Intermediate storage of fermentation residues from the fermentation area, - Phase separation of the fermentation residues, - Use of fermentation residues as organic NPK fertilizers, - Drying, desulfurizing and compressing the resulting biogas, - Energy utilization of the resulting biogas as biomethane or as a fuel for the operation of power heat - Couplers, characterized in that the silage storage for the storage and storage of dry lignocellulose crop residues, such as straw, oilseed straw, maize straw, cereals, corn and Oilseeds cleaning residues are used, that the lignocellulosic crop residues are comminuted to average piece sizes of 10 mm, that in the biosuspension produced the dry matter content is adjusted to 12 to 18%, that the shredded harvest residues are digested thermomechanically, that the crushed and optionally thermomechanically digested Harvest residues are suspended using biofiltrates, that the hydrolytic treatment of the biosuspension is carried out in a Methanfermentation upstream hydrolysis station that the hydrolytic treatment of the biosuspension is carried out aerobically, that at least for the first stage of methane fermentation hydraulically and only partially mixed methane fermenters are used that at least the fermenter of the first stage of the methane fermentation during the initial filling with adapted to the utilization of lignocellulosic feeds mesophilic Methanbakterien-Mis are inoculated and that at least the biogas produced in the main fermenter station are fed to a biological desulfurization column for the production of a biosäure.