Water Purification

a technology of water purification and purification method, applied in the nature of treatment water, water/sewage treatment by oxidation, water/sewage treatment by electrochemical methods, etc., can solve the problems of 90% of freshwater trapped and humans cannot extract it for us

Inactive Publication Date: 2014-12-18
WET TRUST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention provides a method and apparatus for purifying water by introducing oxygen into the water through electrolysis and treating the water with ionized transition metals. The technical effects include improved water quality, reduced water hardness, and improved taste and odor. The apparatus includes electrodes made from carbon or inert metals, such as silver, copper, zinc, and gold, which are connected to a power supply. The method includes controlling the current to each electrode pair separately. The apparatus may be housed in a vessel with a water inlet and outlet.

Problems solved by technology

Unfortunately, 90% of this freshwater is trapped in glaciers and ice caps, and in general humans cannot extract it for use.
This water is generally in a state which is not suitable for the above purposes.

Method used

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Examples

Experimental program
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Effect test

example

[0037]Dam water from a site in Grabouw in South Africa was treated in a TNMI unit of the invention using a combination of ionization with copper, silver, zinc with electrolysis of oxygen.

[0038]Table 1 shows the results of an analysis of a sample of the water treated by the apparatus 10 described above with the vessel 12 having a length of 1.2 m and an internal diameter of 110 mm, by an independent laboratory.

[0039]The apparatus 10 was operated under the following conditions:[0040]Pressure: 4 bar[0041]Water flow rate: 19500 litres per hour[0042]Power supply to electrodes: Single 12 VDC with a current supply between 300 mA to 3 A with polarity switching to each electrode pair.

[0043]The analysis showed a significant reduction in bacterial, fungal and viral pathogens within 2 seconds of starting the treatment.

TABLE 1Lab.TotalColiforms / E Coli / SourceNo.Bacteria / 1 ml100 ml100 mlDam540719200>2420442 s after5408200N / DN / DTreat54092004N / DResvMax.500010 0allowedSourceLab. No.Ag mg / lDam540702 s ...

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Abstract

This invention relates to a method and apparatus (10) for purifying water, wherein oxygen is introduced into the water by electrolysis of the water; and the water is treated with at least one ionized transition metal. In a preferred embodiment of the invention, the electrolysis of the water takes place by passing an electric current through paired electrodes (22) made from stainless steel; and the water is treated with ionized silver, copper and zinc produced at silver (16), copper (18) and zinc (20) electrodes that are supplied with electric current. The invention prevents and combats growth of bacteria fungal and viral pathogens in water, and provides a non-toxic and environmentally friendly method of ensuring the public health in both public and private applications.

Description

BACKGROUND OF THE INVENTION[0001]This invention relates to a method of purifying water and apparatus for use in such method.[0002]Of all the water on the Earth, about 97% exists in the ocean as saltwater. The remaining 3% represents the amount of freshwater on the planet. Unfortunately, 90% of this freshwater is trapped in glaciers and ice caps, and in general humans cannot extract it for use. Ultimately, only 0.014% of the earth's total volume of water is easily available for agricultural, industrial, and domestic purposes. This water exists in a variety of forms, including soil moisture, groundwater, water vapour, lakes, dams and streams. This water is generally in a state which is not suitable for the above purposes.[0003]It is an object of this invention to provide a method for enhancing the quality of water for agricultural, industrial, and domestic purposes.SUMMARY OF THE INVENTION[0004]In a first aspect of the invention there is provided a method for purifying water, wherein:...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): C02F1/46C02F1/461
CPCC02F1/4606C02F2201/46105C02F1/46104C02F1/4672C02F1/727C02F2001/46133C02F2103/023C02F2103/42C02F2201/4613C02F2201/46165C02F2209/03C02F2303/04C02F2305/023Y02W10/37A61L2/035A61L2/20C02F1/467C02F1/50
Inventor FAURE, FREDERIK JACOBUS
Owner WET TRUST
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