effluent standard
21Regulation of ship pollution in the United States — International laws and regulationsMARPOL 73/78 is one of the most important treaties regulating pollution from ships. Six Annexes of the Convention cover the various sources of pollution from ships and provide an overarching framework for… …
22PILES ET ACCUMULATEURS — Les piles électriques, les accumulateurs et les piles à combustible appartiennent à la famille des générateurs électrochimiques. Ils possèdent tous la propriété de fournir l’électricité à partir de deux réactions électrochimiques réalisées sur… …
23Mercury regulation in the United States — is a set of laws and regulations limiting the maximum concentrations of mercury (Hg) that is permitted in air, water, soil, food and drugs. These laws and regulations are promulgated by U.S. Federal Agencies such as the Environmental Protection… …
24Solar energy — is the light and radiant heat from the Sun that powers Earth s climate and weather and sustains life. Since ancient times it has been harnessed for human use through a range of technologies. Solar radiation along with secondary solar resources… …
25Aeroponics — is the process of growing plants in an air or mist environment without the use of soil or an aggregate medium. Aeroponic culture differs from both hydroponics and in vitro (Plant tissue culture) growing. Unlike hydroponics, which uses water as a… …
26Activated sludge — is a process dealing with the treatment of sewage and industrial wastewaters.cite book | author=Beychok, Milton R. | title=Aqueous Wastes from Petroleum and Petrochemical Plants| edition=1st Edition | publisher=John Wiley Sons Ltd | year=1967 |… …
27Yeast — of the species Saccharomyces cerevisiae Scientific classification Domain …
28River Don, South Yorkshire — River Don The River Don as it flows past Hillsborough Stadium. Origin Pennines …
29EDTA — Chembox new Name = EDTA ImageFile1 = ethylenediaminetetraacetic.png ImageSize1 = 200px ImageFile2 = EDTA xtal 3D balls.png ImageSize2 = 200px ImageName2 = Ball and stick model of the EDTA molecule, in the zwitterionic form found in the solid… …
30Greywater — An effective greywater treatment system used at Occupy Wall Street to water Zuccotti Park s plants, October 2011[1] Greywater is wastewater generated from domestic activities such as laundry, dishwashing, an …
