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Thursday, August 06, 2009

PURE WATER CONCEPTS

AquaPacificL Now we are living in the age in which everywhere we can find huge demand for water.

“Water Water everywhere, but no water to Drink”

Thinking about water took me to the word, PURE WATER? Which water is 100% pure? Many marketing campaigns about bottled waters try to convince us that water must be "pure" to be good.

Natural water has mineral content and after removing minerals, water becomes acidic and will try to replace some of the  minerals. So consuming natural water after demineralization will be more dangerous as it may dissolve the mineral content in our body.

Good water can be produced by distillation but some gases, and organic compounds will still remain in distilled water.

Rain water is considered as safe and pure, but rainwater collects particles and chemicals when it falls through the atmosphere.

Reverse osmosis is another method to purify water. Unfortunately, some bacteria, and gases still remain in that water.

HOW WATER CAN BE IMPURE?

Generally water is considered as impure if it contains any or all of the following.

A. Microbes

Coliform bacteria are bacteria known to be harmless, but its presence is not recommended in drinking water.

Fecal Coliform and E coli are bacteria that can cause  diarrhoea, cramps, nausea etc.

Cryptosporidium is a parasite that  causes cryptosporidiosis, a mild gastrointestinal disease.

Giardia lamblia is another parasite that gastrointestinal diseases like diarrhea, vomiting, cramps etc

B. Radionuclide

1. Radon Gas – Radon Gas in water is very dangerous and may produce cancer on prolonged use

2. Alpha and Beta/photon emitters - People who consume water containing these radioactive compounds have an increased risk of getting cancer.

3. Combined Radium 226/228 - People who consume water containing these radioactive compounds have an increased risk of getting cancer.

C. Inorganic Contaminants

The presence of inorganic compounds in drinking water also will lead to multiple diseases. Drinking water should be free from Asbestos, Antimony, Barium, Bismuth, Beryllium, Copper, Chromium, Cyanide, Lead, Mercury, Selenium, Thallium etc

Huge quantities of Copper found in Tap water is one of the cause of development of Alzheimer's disease. So elimination of Copper from all waters seem to have one advantage.

D. Poisons and Disinfectants

The presence of poisons and disinfectants such as Chlorine, DDT, BHC, Chloramines, Halo acetic acids, Bromated, Chlorite, MTBE ( fuel additive)  will lead to serious health issues.

E. Volatile Organic Compounds (VOCs)

The presence of VOC such as Benzene, Dichloromethane, Toluene, Vinyl Chloride etc or products that contain these substances are  hazardous to health.

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