10.11.2023
Source: Energie & Management Powernews
Multiple model and demonstration projects are also testing biogas production for farms with small livestock populations.
The Ministry of Agriculture (BMEL) is funding new concepts for the development of small biogas plants, the mobilization of farm manure and the operation of community plants with a total of 7.1 million euros. The funding call "Model and demonstration projects to increase the proportion of farm manure in biogas plants" will support
- the development of a container biogas plant with a maximum electrical output of 30 kW by the company Staramag Stahl- und Maschinenbau GmbH Rahde together with a scientific partner. A modular design, a high degree of prefabrication and serial production should enable low investment costs and thus the economical operation of an own biogas plant even for small livestock farms.
- a joint project of the University of Hohenheim, which is developing a liquid manure system for farms with an animal population of around 170 livestock units or more. The largely digitalized system and the cost-effective and fully recyclable fermenter with innovative heat recovery, which is built using a wooden sandwich construction, should ensure low investment and operating costs.
- the construction of communal facilities for the development of slurry and manure volumes from small livestock farms by Reineering GmbH. Special fermenter containers are to be filled on the farm and then transported to a central location for biogas production. The semi-mobile box fermenters are to be operated in an alternating model and used for both substrate transportation and fermentation. At the site of the combined heat and power plant, they will then be connected to the gas system and irrigated with inoculation sludge so that gas production can get underway quickly. The operator model is also intended to make small quantities of manure, for example from poultry farming, available for biogas production.
- the installation of an ultrasonic disintegration module on an existing plant and its testing in full and partial flow by the engineering firm Buse and the German Biomass Research Center. The aim is to increase substrate efficiency and optimize the overall energy balance of the biogas plant, as the energy requirement for agitators, pumps and, if necessary, digestate post-treatment increases, especially when high quantities of solid manure are used.
- the construction of a biomethane plant for the fermentation of horse and poultry manure as well as plant residues with biomethane liquefaction by Schockemöhle Bioenergie & Co. KG together with the Institute for Biogas, Circular Economy and Energy. The partners are planning to develop optimized substrate logistics and a processing system specially tailored to the substrate with optimal separation of impurities so that large quantities of horse manure from different locations can be used in the plant as fresh and free of impurities as possible.
- the realization of a biomethane plant for the fermentation of manure from several agricultural livestock farms by Bioenergy Concept GmbH together with the Hamburg University of Applied Sciences. The biomethane produced is to be made available primarily for the transport sector. The process heat required for this is to be supplied by a pyrolysis plant. The biochar produced is to be used in animal feed and to stabilize the process biology in the fermenter, thus contributing to the upgrading of fermentation residues and the build-up of humus on agricultural land.
Further information on the funding programme is available on the website of the Ministry of Agriculture.
Author: Katia Meyer-Tien
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