In this paper, an overview of the development of bioenergy with a special focus on liquid and gaseous bioenergy carriers in Germany for the timeline between 19 is given. Beside the use for heating purposes, in the beginning of the 20th century biomass was also used to produce electricity and liquid biofuels.ĭevelopment of global energy consumption per capita in EJ (energy data from 2 and 5 population data from 6 and 7). Therefore, the provision and application of bioenergy from gaseous and liquid biofuels has dramatically changed since the first volume of Chemie Ingenieur Technik has been published in 1928. Hence, on the one hand a continuous use of wood in small heating and cooking devices can be stated, but on the other hand, new bioenergy carriers had been developed for a wider application within the fossil supply system. ![]() ![]() Nevertheless, in times of energy crises or in phases of agricultural overproduction, technology development of bioenergy has received a push. Especially with the beginning of the industrialization and the economic and social upswing, plants as energy source became less important, as fossil energy resources with a much higher energy density were increasingly used. The classical sequence of energy transition in the major economized states had followed gradual shifts from total reliance on fuelwood and charcoal to increasing uses of coal, in both domestic and industrial settings 2 (Fig. ![]() This development was accompanied by social expectations of bioenergy's capabilities. However, from the discovery of fire, sometime between 500 000 and 1 500 000 years ago 1 there was a long way to technology development of bioenergy.
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