solids pump
71Drying — For the food conservation method, see drying (food). Drying is a mass transfer process consisting of the removal of water or another solvent [1] by evaporation from a solid, semi solid or liquid. This process is often used as a final production… …
72Sequencing batch reactor — Sequencing batch reactors (SBR) or sequential batch reactors are industrial processing tanks for the treatment of wastewater. SBR reactors treat waste water such as sewage or output from anaerobic digesters or mechanical biological treatment… …
73Crystallization (engineering aspects) — In chemical engineering crystallization occurs in a crystallizer. Crystallization is a unit operation through which a chemical compound, dissolved in a given solvent, precipitates under certain conditions to allow successive separation between… …
74Hydraulophone — Infobox Instrument name=Hydraulophone names=Woodwater instrument classification= *Water *Woodwater *Reedless *Single reed *Double reed range=Basic range of a diatonic hydraulophone with 12 water jets: More detailed ranges and compasses appear… …
75Trickling filter — A trickling filter consists of a fixed bed of rocks, gravel, slag, polyurethane foam, sphagnum peat moss, or plastic media over which sewage or other wastewater flows downward and causes a layer or film of microbial slime to grow, covering the… …
76Refrigeration — Commercial refrigeration Ice is used to refriger …
77Portable water purification — devices – also known as point of use (POU) water treatment systems and field water disinfection techniques – are self contained units that can be used by recreational enthusiasts, military personnel, survivalists, and others who must… …
78Steam locomotive — A steam locomotive is a locomotive powered by steam. The term usually refers to its use on railways, but can also refer to a road locomotive such as a traction engine or steamroller.Steam locomotives dominated rail traction from the mid 19th… …
79Activated carbon — Activated carbon, also called activated charcoal, activated coal or carbo activatus, is a form of carbon that has been processed to make it extremely porous and thus to have a very large surface area available for adsorption or chemical reactions …
80Peak oil — A logistic distribution shaped production curve, as originally suggested by M. King Hubbert in 1956 …
