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Water Filtration Technical Services - Media Filters Monitoring & Maintenance Water Filtration Technical Services of Pacific Water Technology include a routine maintenance program where media filters including iron removal filters & activated carbon filters are monitored, their performance evaluated and parameters fine-tuned to optimise the performance of media filtration. Example - 63" Carbon filter Monitoring & Commissioning Monitoring of the 63" Carbon Filter - Iodine Test An example is the maintenance of commercial activated carbon bed filters used for chlorine removal for a large...

Fluoride adsorption by calcium hydroxyapatite

Calcium Hydroxyapatite  for heavy metals and fluoride removal from potable and waste water. Hydroxyapatite is a naturally occurring form of the mineral calcium apatite—calcium, phosphorous, and oxygen—that grows in hexagonal crystals. Hydroxyapatite is the main mineral of which tooth enamel and dentine are composed off, as well as bones .Calcium Hydroxyapatite has  the formula Ca5(PO4)3(OH), but it is usually written Ca10(PO4)6(OH)2 to denote that the crystal unit cell comprises two entities. The OH− ion can be replaced by fluoride, chloride or carbonate, producing fluorapatite or chlorapatite. The natural Calcium Hydroxypatite ...

citric acid anhydrous

Citric acid is a weak organic acid that is produced as a white crystalline powder. It is a natural food preservative that is also used to add an acidic, or sour taste to foods and soft drinks. In biochemistry, it is important as an intermediate in the Krebs (citric acid) cycle and therefore occurs in the metabolism of virtually all living things. Citric acid can also be used as an environmentally benign cleaning agent. It is also commonly used...

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