By Prof. Dr.?Ing. Dieter Deublein, Dipl.?Ing. Angelika Steinhauser(auth.)
The major booklet out there simply bought larger: With its new angle overlaying all facets of developing and operating a biogas plant, this re-creation has been improved to incorporate fresh advances in biomass processing.
the writer is a key participant within the box, who has designed quite a few small- and industrial-scale biogas crops, and who's additionally a long-time lecturer on biogas construction, hence combining didactical ability with real-life services. As such, he covers either the organic and technical features of biogas iteration. the whole variety of biogas substrates and processing modes is defined, from agricultural and commercial waste to marine algae and sediment. On-site use of biogas for conversion into electrical energy, gas and warmth can also be mentioned, as are security and regulatory concerns. Many real-life examples of eu biogas crops already in operation illustrate the contents, as do a variety of schemes, diagrams and precis tables.
For this new version, biogas analytics and qc required for feeding biogas into typical fuel networks are integrated, as is a very new bankruptcy at the microbiology of biogas-producing bacterial groups.
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Extra resources for Biogas from Waste and Renewable Resources: An Introduction, Second Edition
3 End-Point Energy Sources The end-point energy is the energy provided in the form of, for example, district heating, wood pellets, and electricity for the ﬁnal users. In Germany, for example, the consumption of end-point energy is about 2600 TWh a−1. It is important to emphasize that only electricity and not gas is deﬁned as end-point energy since gas is the energy source from which electricity is derived. Usually the amount of end-point energy consumed is used for calculation purposes and is taken as a base to reﬂect energy balances.
With sustained economic use of energy, calculations suggest that almost 30% of the total global primary energy consumption in 2050 will be covered by regenerative energy sources. In 2075, the percentage will be up to 50%, and it is expected to increase continuously up to 2100. According to the IPCC report, biomass is going to play the most important role, projected to deliver 50 000 TWh in 2050, 75 000 TWh in 2075, and 89 000 TWh in 2100, in line with the caloriﬁc value derived from the combustion of more than 16 bn Mg of wood .
3 Third Attempts at Applying Biogas In 2000, the Law of Renewable Energies became effective, which stated the rules for the subsidization of the power supplied by biogas facilities in Germany. This resulted in rising numbers of biogas facilities over the following years, especially after implementing even higher subsidies. About 1500 biogas facilities were eventually in use in Germany, most of them in Bavaria. 2. The facilities also became larger and larger. Up to 2008, the average amount of electric power per new plant increased from about 300 to 500 kW .