Produktion von Milchsäure durch die kaskadische Nutzung von Bioabfall | Cascade Utilization of Organic Waste to Produce Lactic Acid
2013
Schneider, Irene | Bockreis, Anke
Cascading usage of organic waste can efficiently produce secondary raw materials and energy sources. Following the separation of solids and liquids, the solids are fermented and the liquid phase is used for the production of lactic acid. Subsequent treatment of the liquid produced from the organic waste can be used to make PLA (polylactic acid) and other organic products (e.g. bio-additives for fuel). The “BioKasEn” project currently being carried out at the Environmental Technology Department, part of the University of Innsbruck’s Institute for Infrastructure, is investigating the energy influences of cascading organic waste (particularly municipally collected organic waste) on the fermentation and production of renewable energy (biogas). In addition, the use of the fluid phase of organic waste to produce lactic acid is being researched, along with further processing and quality improvements. The microbiological research on the production of lactic acid from organic waste and on its further processing to pure lactic acid as the basis for PLA and other organic products is a joint effort together with the Institute of Microbiology at the University of Innsbruck.
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