Abstract: A system for collecting solar energy in the form of heat in liquid at low temperature, raising the temperature by vapor compressor means and by heat transfer means storing the heat energy at a temperature which is higher than the temperature originally obtained from the solar heat collector.
Abstract: A vapor compression distillation system utilizing a two stage vapor compressor comprising a rotary positive displacement first stage compressor backed by a second stage liquid ring compressor.
Abstract: A novel sewage treatment system and components thereof are presented providing in site separation of solids from liquid, incineration or other disposal means of solids, and treatment and purification of the liquid effluent.