water conditioning and purification
1Water purification — This article is about large scale, municipal water purification. For portable/emergency water purification, see portable water purification. For industrial water purification, see deionized water. For distilled water, see distilled water. Water… …
2Water softening — A water softener reduces the dissolved calcium, magnesium, and to some degree manganese and ferrous iron ion concentration in hard water.These hardness ions cause three major kinds of undesired effects. Most visibly, metal ions react with soaps… …
3Global Water Foundation — Infobox Organization name = Global Water Foundation image border = size = width:95 height:72 motto = Maji ni Uhai Water is Life formation = 2005 founder = Johan Kriek status = 501(c)(3) headquarters = Sarasota, FL location = United States, South… …
4Forward osmosis — is an osmotic process that, like reverse osmosis, uses a semi permeable membrane to effect separation of water from dissolved solutes. The driving force for this separation is an osmotic pressure gradient, such that a draw solution of high… …
5Chemistry of biofilm prevention — Biofilm formation occurs when free floating microorganisms attach themselves to a surface. They secrete extracellular polymers that provide a structural matrix and facilitate adhesion. Because biofilms protect the bacteria, they are often more… …
6Cooling tower — Natural draft wet cooling hyperboloid towers at Didcot Power Station, UK …
7environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
8Refrigeration — Commercial refrigeration Ice is used to refriger …
9Legionellosis — Infobox Disease Name = PAGENAME Caption = DiseasesDB = 7366 ICD10 = ICD9 = ICD9|482.84 ICDO = OMIM = MedlinePlus = 000616 eMedicineSubj = med eMedicineTopic = 1273 MeshID = D007876 Legionellosis is an infectious disease caused by bacteria… …
10Green roof — Traditional sod roofs can be seen in many places in the Faroe Islands …
