A greenhouse with Fresnel lenses in the south facing roof and a receiver for concentrated Photovoltaics with water cooling (CPVT system) will result in electrical and thermal energy output from the solar energy excess entering a greenhouse. The PV system converts about half of the direct radiation into …

In this research paper we want to explore a new way to handle recovered paper. The purpose of this paper is to understand the situation with China. Since years, this country is the most important market for recovered wastepaper collected in western countries from households. The efforts to get it there, …