Bioplastic from farm biogas
VTT has developed a solution for converting even small sources of methane-rich biogas into raw materials for animal feed or bioplastic on farms, landfills and wastewater treatment plants. This emission-reducing solution is based on the ability of methanotrophic bacteria to grow on methane in gas fermentors.
The bacteria and (depending on the growth conditions) cell mass may also contain polyhydroxybutyrate plastic (PHB) – a natural substance in the cells that enables them to store/conserve energy. For example, PHB can be used as a raw material for biodegradable packaging material, instead of oil-based and non-biodegradable plastics such as polypropylene (News Item VTT, 17 November 2016).
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