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EMERGENCY WATER FILTRATION SYSTEM

 



The provision of adequate quantities of safe water is a basic necessity and a key concern in any civil emergency situation. However, there are significant challenges in providing minimum standards of water supply in times of emergency.

The potential for the Safe H2O system to assist in times of civil emergency and humanitarian needs is impressive.  Capable of processing up to 20,000 litres per hour, the system could solve emergency water challenges for over 20,000 people in a 24 hour period.

We are keen to work with organisations and governments that are seeking a practical solution that will really work, on the ground, when needed. 

 



Mobile Nano Filtration Unit

Pic 1By utilising the service of Forsi Innovations based in Matamata, the Directors have ensured the latest technology and research has been utilised in the final design. Forsi Innovations is an innovative and progressive company specializing in the manufacture of water filtration equipment for the removal of Iron Manganese, Turbidity, Nitrates etc, for farm, domestic and Industrial waste water applications.

Key Features of the Unit

  • 9 kva inverted generator to provide an uninterrupted power supply to run the P.L.C. system
  • pre-treatment washable bag filter 25 microns, then cartridge filters before the Nano filtration process.
  • dosing system for eliminating pathogens, and oxidant where there is colour in the water (1 ppm foodgrade hydrogen peroxide)control panel showing alarms so the filter system will not over load, ensuring the operator knows when the bag and cartridge filters need cleaning or changing.
  • ability to see the litres filtered
  • high pressure Nano pump delivers the water to the NFS-4-8040 Nano filter, this filter rejects hardness, colour, some salts, and calcium and softens the water. • parameter monitoring system to measure pressure, flow and PH dosing
  • housed on a double axle trailer
  • total weight 2.8 tonne
  • 4220 long by 2220 wide, excluding draw bar
  • can handle high turbidity levels
  • self-sufficient - runs on diesel generator
  • fully mobile - can be towed, transported via container or airlifted
  • able to be stored until required
  • significant flow rates - Capable of providing up to 20,000 litres per hour, i.e emergency supply of 15 litres to 32,000 people in a 24 hour period
  • capable of producing safe water, fast from any fresh water source such as a river or lake
  • trailer is Wi-Fi, connecting to Vodafone or spark
  • pathogens and contaminants removed, including e-coli, norovirus, giardia, protozoa cysts

 

How does nano filtration work opposed to reverse osmosis

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Reverse Osmosis (RO) and Nanofiltration (Nano) are very similar, although Nanofiltration is the slightly newer technology. In appearance, they are virtually identical and both use essentially the same technology to remove impurities from water or other liquids. In both systems, Membrane Elements (or membranes, or elements) are used to separate a liquid from contaminates. Membranes are basically filters with very small “openings” that prevent contaminates from passing through when the liquid that is being purified is “pushed” through the membrane.

Nano was developed primarily for drinking water applications because RO was found to remove some of the minerals in water that are considered beneficial for human consumption. Nano allows these minerals to pass through the membrane with the water, but the Nano membrane will “block” pesticides and other contaminates that can be harmful to people.

Reverse Osmosis has been the traditional method for emergency water filtration due to the ability to desalinate water. A downside to reverse osmosis as a method of purifying drinking water is the removal of healthy, naturally occurring minerals in water. The membrane of a reverse osmosis system is impermeable to natural trace minerals. These minerals not only provide a good taste to water, but they also serve a vital function in the body’s system. Water, when stripped of these trace minerals, can actually be unhealthy for the body. Reverse osmosis also wastes a large portion of the water that runs through its system. It generally wastes two to three gallons of water for every gallon of purified water it produces. Reverse osmosis is also an incredibly slow process when compared to other water treatment alternatives and requires significant maintenance. These problems are not encountered with a nanofiltration system.

The following chart demonstrates the relative effectiveness of Reverse Osmosis (RO) relative to Nanofiltration (Nano) and other common filtration technologies.


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