What is the final stage of water purification?
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Disinfection. The final stage in the community water treatment process involves adding a disinfectant such as chlorine or chloramine to the water supply. Chlorine has been used since the late 1800s. The type of chlorine used in water treatment is monochloramine.
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Coagulation and Flocculation: This is often the first step in the purification process. This is where chemicals with a positive charge are added to the water in order to neutralize the negative charge of dirt and other dissolved particles in the water. As this happens, the particles bind the chemicals and form even larger particles, called floc.
The treated wastewater is slowly filtered through a bed of sand, which acts as a filter and catches any remaining particles. This is the final stage of the water treatment process. 6.
During this final stage water is passed through a filter in a regulated manner. Any particles stick to the filter, leaving clean water to be piped into the municipal supply. Pumping stations pump water to domestic customers using pipelines. Final Thoughts on The Process of Water Purification in Water Plants
Water purification for human consumption purposes consists in the removal of different contaminants as chemicals (i.e., pollutants, toxic metals), biological contaminants (algae, bacteria, fungi, parasites, viruses), suspended solids, and gases. There are several methods used in the water purification process, which include: (1) physical ...
Drinking Water Purification: Water is purified for drinking through a system of filters and by chemical disinfectant. Pumping and Containment: Water is pumped from the source into holding tanks. Screening: Water is passed through a screen filter to remove large debris. Storage: Water is stored in reservoirs, tanks, and water towers in ...
Water purification is the process of removing undesirable chemicals, biological contaminants, suspended solids, and gases from water. The goal is to produce water fit for specific purposes. Most water is purified and disinfected for human consumption ( drinking water ), but water purification may also be carried out for a variety of other ...
Water purification 1. Water Purification Non-Equilibrium Analysis By: Karan Sharma April 23, 2015 2. What is Water Purification? • Water purification is the removal of contaminants from raw water to produce drinking
Water purification is a comprehensive term for processes and techniques performed to remove unwanted chemicals, suspended solids, contaminants, and gases from water. Water purification is mainly performed for specific purposes such as producing potent water for human consumption, as well as for pharmacological, chemical, and medical ...
Any of several processes in which undesirable impurities in water are removed or neutralized; for example, chlorination, filtration, primary treatment, ion exchange, and distillation.