A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Biorefinery-Derived Bioplastics as Promising Low-Embodied Energy Building Materials
Abstract Petrochemical-based plastics that are used in building construction produce hazardous non-biodegradable wastes after demolition of the buildings or temporal constructions that create logistics and disposal problems. Recent investigations on bio-based plastics reveal opportunities for a new and sustainable construction material made from the renewable organic sources that due to biodegradability can be left in soil or composted after demolition because of biodegradability. Bioplastics also have the potential to lead to the rise of new building materials with low-embodied energy, thus contributing to energy building efficiency. However, the current cost of pure bioplastics is higher than the cost of petrochemical plastics. To improve the cost efficiency of bioplastics, inexpensive raw materials are needed. Potential feedstocks for bioplastics production include negative-, zero- or low-cost by-products of acidogenic fermentation, pyrolysis oil from lignocellulosic biomass and waste, organic fractions of municipal solid waste, reject waters, primary and secondary sludges from wastewater treatment plants, to mention a few. Cost reduction can be achieved through cost-efficient fermentation technologies based on continuous and septic cultivation of mixed bacterial cultures and production of crude composite bioplastics as construction material with low-embodied energy.
Biorefinery-Derived Bioplastics as Promising Low-Embodied Energy Building Materials
Abstract Petrochemical-based plastics that are used in building construction produce hazardous non-biodegradable wastes after demolition of the buildings or temporal constructions that create logistics and disposal problems. Recent investigations on bio-based plastics reveal opportunities for a new and sustainable construction material made from the renewable organic sources that due to biodegradability can be left in soil or composted after demolition because of biodegradability. Bioplastics also have the potential to lead to the rise of new building materials with low-embodied energy, thus contributing to energy building efficiency. However, the current cost of pure bioplastics is higher than the cost of petrochemical plastics. To improve the cost efficiency of bioplastics, inexpensive raw materials are needed. Potential feedstocks for bioplastics production include negative-, zero- or low-cost by-products of acidogenic fermentation, pyrolysis oil from lignocellulosic biomass and waste, organic fractions of municipal solid waste, reject waters, primary and secondary sludges from wastewater treatment plants, to mention a few. Cost reduction can be achieved through cost-efficient fermentation technologies based on continuous and septic cultivation of mixed bacterial cultures and production of crude composite bioplastics as construction material with low-embodied energy.
Biorefinery-Derived Bioplastics as Promising Low-Embodied Energy Building Materials
Ivanov, V. (author) / Christopher, L. (author)
2016-01-01
15 pages
Article/Chapter (Book)
Electronic Resource
English
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