Liquid purification or separation – Processes – Ion exchange or selective sorption
Patent
1996-04-26
1998-07-07
Nessler, Cynthia L.
Liquid purification or separation
Processes
Ion exchange or selective sorption
210687, 210688, 210748, 210749, 210243, 210259, 210266, 210283, 210284, 204155, 204164, C02F 142, C02F 148
Patent
active
057763461
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to method and apparatus for making water having purified and activated functions which is adapted for many applications such as for washing, in drinks, raising and breeding of animals and plants and the like.
2. Description of the Prior Art
Water chiefly employed in our daily life is city water or well water. We make use of city or well water along with food, for drinking, bathing, and for raising of agricultural products, fruits or plants. Moreover, such water is employed for raising or cultivation of fish and shellfish. Aside from city or well water, river water is also used in everyday life, particularly for crops.
City water originates from rivers, lakes or dammed rivers. At present, not only is water from these sources suffering contamination, but also metals such as Fe.sup.2+ increase in amount owing to the corrosion of water pipes. Thus, the contamination of city water is progressing year by year. To cope with this situation, sterilizing chlorine is incorporated in the city water in larger amounts, with the tendency that the city water is becoming less suited for incorporation in foods and drinks, particularly in large cities. There is the view that when city water is continued in use as drinking water over a long time, there are some adverse influences on health. Further, because city water is employed for cultivation of agricultural products, fruits and plants, and raising of fish and shellfish, the agricultural and marine products thus cultivated may not be of good quality. In addition, with city or well water which is hard water containing metals such as Ca.sup.2+, Mg.sup.2+, Fe.sup.2+ and the like, detergents for washing are required in amounts larger than with ordinary water. The use of such a large amount of a detergent may adversely affect the environment.
It is known to pass contaminated city water through magnets, active carbon or tourmaline to eliminate impurities therefrom, thereby providing drinking water which is good for health. It is also known that such water can be subjected to an electric current to provide acidic water or alkaline water. However, hitherto known procedures are, respectively, intended for only one purpose and are not able to provide water which has a variety of effects and is useful for many purposes.
SUMMARY OF THE INVENTION
In view of the above-described circumstances, the present invention contemplates to treat water employed in daily life, such as city or well water, thereby providing water which has a number of advantages such as good cleansing function, bactericidal action, antifungal action, surface activity, cooling action, in vivo activating function and the like and has for its object the provision of method and apparatus for making purified and activated water by a simple arrangement without use of any electricity.
In order to achieve the above object, there is provided a method for treating water according to the invention which comprises passing water through an ion exchange resin, a mixture of tourmaline and a metal which does not adversely influence the human body on dissolution in water, and rock pieces serving as electron donors, in this order.
The invention also provides a method which comprises passing water through an ion exchange resin, rock pieces which are electron donors, and a mixture of tourmaline and a metal which does not adversely influence the human body on dissolution in water, in this order.
Alternatively, the invention comprises passing water initially through either of a mixture of tourmaline and a metal which does not adversely influence the human body on dissolution in water or rock pieces which are electron donors, and then through the other.
In order to achieve the above object, the present invention provides an apparatus which comprises a soft water generator containing an ion exchange resin therein, an ion generator containing a mixture of tourmaline and a metal which does not adversely influence the human body on dissolution in water, and a rock
REFERENCES:
patent: 4000056 (1976-12-01), Squires
patent: 4127485 (1978-11-01), Baker et al.
patent: 4177142 (1979-12-01), Halbfoster
patent: 4187120 (1980-02-01), Kunin et al.
patent: 4430228 (1984-02-01), Paterson
patent: 4454044 (1984-06-01), Klein
patent: 4704210 (1987-11-01), Boze et al.
patent: 5169528 (1992-12-01), Karbachsch et al.
patent: 5599455 (1997-02-01), Hukai
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