Lipase is one of the most used industrial enzymes, which can be produced by Aspergillus niger. Large scale production of Aspergillus niger lipase is more profitable by using solid state fermentation method and utilizing agro-industrial waste as the substrate. Optimization of Aspergillus niger...

The discussion on the management of urban solid waste gained global contours in the 70's, but its interest in some developing countries is relatively recent. Namely in Brazil, the legislation was only approved in 2010 (Law 12,305). Almost 10 years after the approval of this policy instrument, a...

Biogas systems from solid waste landfill and their pipeline network have been constructed with a total biogas capacity of 1000 m3/day in two villages in Bantan subdistrict in northern Thailand. Two hundred households in two villages receive the benefits from biogas technology in many ways. It...

Thermo-electric generators (TEGs) have been identified as promising solid-state devices to recover exhaust waste in internal combustion engines (ICEs). As the TEGs are able to convert heat directly into electricity, they can be used to down size the alternator of the ICEs. However, the addition...

The study of Toyohashi city fs economic growth and resultant growth in municipal solid waste management were empirically examined by the relation between city economic growth, city expenditure for solid waste management and municipal solid waste. The growth in the economy and the population has...