Different microbial cysts in drinking water have been found with the climate and environmental changes nowadays. Since the last outbreak, which is dated back to the mid-'50s, certain parasites and bacteria were found and still contaminate the drinking water supplies. It can be one of the causes of diseases to known both humans and animals.
Research has found certain parasites, bacteria, debris, and other microorganisms in water. Namely, Cryptosporidium, Giardia, and the newer protozoan were discovered later, known as Cyclospora. This contamination is caused by improperly operating water systems, poorly chlorinated, and unfiltered water supplies.
Three Common Water-Borne Microbial Cysts
Cryptosporidium is a parasite that enters lakes and rivers through sewage and animal waste. It causes cryptosporidiosis, a mild gastrointestinal disease. However, the infection may cause death for people with a poor immune system.Giardia lamblia is a parasite that also penetrates lakes and rivers through sewage and animal waste. It causes gastrointestinal illness (e.g., diarrhea, vomiting, cramps). Giardia outbreaks can occur in communities where water supplies become contaminated with raw sewage. It can be contracted by drinking water from lakes or streams where water-dwelling animals such as beavers and muskrats or domestic animals such as sheep have caused contamination.Cyclosporiasis is an intestinal illness caused by the microscopic parasite Cyclospora Cayetanensis. Cyclospora is spread by people ingesting something - such as food or water - contaminated with feces (stool). Cyclospora needs time (days to weeks) to become infectious for another person after being passed in a bowel movement. Therefore, it is unlikely that Cyclospora is passed directly from one person to another. People living or traveling in countries where cyclosporiasis is endemic may be at increased risk of infection.
How to Remove Cysts from Water
There are excellent methods for getting rid of cysts and pharmaceutical drugs from drinking water. They are to chlorinate, distill the water, use UV light or filter it.
Distillation
Energy input needed for distillation involves a higher operating expense than other methods, and the maintenance factor is extremely high. Impurities remain in the boiling chamber and are automatically or manually flushed out depending on the system.
Air-cooled distillers produce one gallon of distilled water for every gallon of tap water. Water-cooled units produce one gallon of water from eight to 15 gallons of tap water. Distillation also produces "flat" tasting water.
Chlorination
Chlorine is probably the most effective method to eliminate all categories of microbes: protozoa, cysts, bacteria, and viruses, regardless of micron size. The trick is to have sufficient chlorine in the water and a long enough dwell time to kill the microbes.
Many water treatment facilities now use Chlorine and Chloramines (chloramine is formed by combining chlorine and ammonia) because chloramine lasts longer in the water. Chlorine and chloramines can then be removed from the water using the appropriate media. But it has some side effects such as Airway irritation / Wheezing / Difficulty breathing / Sore throat / Cough / Chest tightness / Eye irritation / Skin irritation.
UV Light
Ultraviolet (UV) light kills cells by damaging their DNA. One of the most common germicidal UV lights is low-pressure mercury lamps used in many applications, including sewage treatment, drinking water purification, food processing, irradiation, water reclamation, HVAC air sterilization, and odor control. Our water purifier is configured with UVC ultraviolet amplification (mainly 260 to 280nm)to destroy the molecular structure of DNA (deoxyribonucleic acid) and RNA (ribonucleic acid)of microbial cells,resulting in the death of growth cells and/or regenerative cells, so as to achieve the effect of sterilization and disinfeciton
Filtration
Some "1 micron" and most "nominal 1-micron" filters will not work against Cryptosporidium. The absolute 1-micron filter will more consistently remove Cryptosporidium than a nominal filter. Some nominal 1-micron filters will allow 20% to 30% of 1-micron particles (like Cryptosporidium) to pass through the carbon pores.
The pore size of filter media is identified by the diameter of the particle that it can be expected to retain with a defined, high degree of efficiency. Pore sizes are usually stated in micrometer or microns for short (m), which equals one-millionth of a meter. Pore size ratings refer to the size of a specific particle or organism retained by the filter media to a specific degree of efficiency. Ratings can be stated as either nominal or absolute pore size.
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Shenzhen Hechuang Hitech CO., LTD. is a National High-tech Enterprise, which has won a number of invention patent technology awards. We focuses on the Research, Development, Production and Application of UVC-LED Technology. It adopts innovative technologies of revolutionary optics and fluid science, which can kill bacteria and viruses in 0.2 seconds, with a killing rate of 99.9999%. Hechuang Hitech provides safer, more efficient and more humanized sterilization module design for Water Air and Surface Disinfection products.
