The eternal battle for water safety:
“Infectious diseases caused by pathogenic bacteria, viruses and parasites (such as protozoal and helminths) represent the most common and widespread health risk associated with drinking water”so a water filtration plant is required
World Health Organization (WHO). “Guidelines for ensuring the quality of drinking water”
Water is truly a source of life for all living things. However, most consumers perceive this statement from a subjective point of view, without thinking that the same water is an excellent habitat for living, but not always safe, microbes. Today, there are a number of harmful (pathogenic) microorganisms, the presence of which in water, according to the WHO, is not allowed. Of the most famous, the following can be distinguished:
- bacteria (cholera vibrio, salmonella, Pseudomonas aeruginosa)
- viruses (hepatitis A, B, E; adenovirus)
- protozoa (cryptosporidia)
Fortunately, modern technologies for the disinfection of drinking water can reliably protect consumers from all this “micro-artillery”, the main thing is to know how to use them correctly.
- The fact that water must be disinfected, our ancestors knew many centuries ago. In the ancient civilizations of Egypt, Greece, Persia, drinking water was boiled and stored in silver vessels before drinking. An amazing fact, because microscopes appeared many centuries later, and various types of microorganisms and their effect on human health have been studied relatively recently. No less surprising and even inexplicable fact remains that the mass epidemics of antiquity do not stop even in the conditions of modern scientific and technological progress. Such echoes of the distant past as plague and cholera are already being treated, but at the same time, the population of underdeveloped countries continues to suffer from mass epidemics of infectious diseases caused by poor quality of drinking water and non-compliance with the rules of basic hygiene.
- The problem of water safety has recently caused considerable stir and has attracted the attention of various health and environmental organizations around the world. Many scientists and entire research centers today are focused on the search and development of alternative methods of water disinfection, which, in the current situation, would be both affordable and effective.
At the same time, let’s narrow the global scope of the problem and consider how things are going with water disinfection in our country.
Today, the water supply to the population ofPakistan can be represented as follows:
- 70% centralized water supply (water supply)
- 30% local water supply (wells, wells)
And if in the first case water purification by water filtration plant and control of its compliance with current standards is carried out through state bodies (water utilities, SES), then in the second all responsibility lies with the consumer.
Let us now consider, in order, which disinfection methods are used in both cases.
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