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fluoride removal principle

Hydroxyapatite Fluoride removal filters for the whole house are the most effective filters using a natural occurring mineral  to give you piece of mind that the best available technology  works for your water purification needs.

 

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Commercial Fluoride Removal Filter

 

As of 2016 artificially fluoridated water is supplied for over 70% of the population in all states and territories across Australia. Used as an oral health aid fluoridation has been used within our water supplies since 1953, two years after it’s acceptance across the USA. As Australia has warmer climate than North America our recommended levels vary significantly in comparison, with the current recommended amounts within the guidelines set by Australian Drinking Water at a maximum of 1.5mg/L.

Whilst fluoride is universally regarded as great for oral health, helping prevent teeth cavities, there still remains controversy about whether directly ingesting the substance is harmful to our overall health.

In Queensland, the decisions to fluoridate or not has been left to local councils – and some have ditched this practice. Just one third of Queensland’s 77 councils fluoridate at least one of their water supplies and most of those are in the state’s southeast corner.

The vast majority of the vast state has unfluoridated water.

It includes some major regional centres, such as Cairns, Mount Isa, Bundaberg, Gladstone and now Mackay.

 

NEWDEF ®Hydroxyapatite – Fluoride removal

Hydroxylapatite, also called hydroxyapatite (HA), is a naturally occurring mineral form of calcium apatite with the formula Ca5(PO4)3(OH), but is usually written Ca10(PO4)6(OH)2 to denote that the crystal unit cell comprises two entities. Hydroxylapatite is the hydroxylendmember of the complex apatite group. The OH ion can be replaced by fluoridechloride or carbonate, producing fluorapatite or chlorapatite. It crystallizes in the hexagonalcrystal system. Pure hydroxylapatite powder is white. Naturally occurring apatites can, however, also have brown, yellow, or green colourations, comparable to the discolou®rations of dental fluorosis.  

Source: Wikipedia.

It is one of the most effective adsorbents of fluoride  with much faster reaction times than Activated Alumina.

 

hydroxyl apatite is the most effective media for fluoride removal from water

1.   Defluoridation Capacity

The defluoridation capacity of NEWDEF®1 is about 1~4 mg/g which is higher than normal media in the same conditions. The capacity is changed by different raw water quality including fluoride concentration、 temperature、co-existing ions etc..

 

 

   Hydroxyapatite  Features and Benefits

  • High capacity and shorter contact time
  • Very safe to use; no dissolution of toxic and hazardous substances
  • High efficiency, NEWDEF®1 can remove  up to 99% fluoride  in raw water.
  • Limited inhibition by other competing ions
  • Lower regeneration cost and simple regeneration process
  • Not only restricted to Fluoride ,but can remove iron and manganese as well

Performance Comparison- Fluoride Removal media 

Figure 1 and Figure 2 demonstrate that the NEWDEF® media have higher performance than other common defluoridation materials under the same conditions. The treated water volume of NEWDEF® is About 5.09—11.7 times of activated alumina and 12.9—23 times of activated clinoptilolite

Comparison of various defluoridation media

Details Fluoride Removal Backwash valves 

 

Our composite tanks come with  Clack and Fleck Automated Backwash Valves .

Clack’s WS1 Automatic valve is a state-of-the-art control head designed for residential and commercial applications requiring flow rates up to 27 GPM(6.1 m3/hr). It has a backwash abilitiy capable of servicing up to 22″ diameter tanks.

The valve acts as a primary center that directs and regulates all cycles of water softening or filtration. It can be set to perform downflow regeneration or simply backwash and rinse. The valve comes in different program versions and is controlled by a solid state microprocessor with front panel setting and screen display. The WS1 has 9 injector sizes to choose from for different draw rates.

Also see Clack is the world’s best control valve :https://www.youtube.com/watch?v=8GBUGivcQ0I

Fibreglass reinforced plastic pressure vessel as per BS 4994 with 5 year structural guarantee. 

Maximum operating pressure of 1034 kPa and maximum operating Temperature of 50°C for polyester, and 66°C for vinyl ester.


 

Vessel Size 8x44" 10x54” 13x54" 16x65"
Valve Type Fleck 5600 Fleck 5600  

 WS1TC

 WS1TC
Service flow rate- m3/hr( at 15m3/hr per m2)  0.6 0.8  1.2 1.8
Volume of Hydroxyapatite –liters  17 35  52  98
Backwash(m3/hr)  0.6 0.8  1.2  2.2
Inlet/Outlet  3/4" 1”  1"  1"
Approximate Shipping Weight (kg)  50  75  95  185
Overall height(cm)  115 140  140  170

 

 


5 Year structural warranty on the pressure vessel.

We warrant that this product is free of defects of both material and workmanship for a period of one year.

Any product found to be defective will be replaced at no cost, except for any associated freight charges.

Prior to any returns, please contact our Customer Care Service in order for us to assess your warrantee claim.


WORKSHOP WS1_WS1.25_WS1.5_WS2 EI FILT VALVE PROGRAMMING Rev 3For more information on installation please download below document.

5600Fleck 5600 Owners Manual 42447REVA


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