What are water treatments?
Disinfection. After the water has been filtered, water treatment plants may add one or more chemical disinfectants (such as chlorine, chloramine, or chlorine dioxide) to kill any remaining parasites, bacteria, or viruses.
What is the purpose of water treatment?
Water treatment is a process involving different types of operations (physical, chemical, physicochemical and biological), the aim of which is to eliminate and/or reduce contamination or non-desirable characteristics of water.
What are the 5 stages of water treatment?
The 5 major unit processes include chemical coagulation, flocculation, sedimentation, filtration, and disinfection (described below). There are chemicals added to the water as it enters the various treatment processes.
What is the basic water treatment process?
They typically consist of several steps in the treatment process. These include: (1) Collection ; (2) Screening and Straining ; (3) Chemical Addition ; (4) Coagulation and Flocculation ; (5) Sedimentation and Clarification ; (6) Filtration ; (7) Disinfection ; (8) Storage ; (9) and finally Distribution.
What are the 4 main steps to water treatment?
4 Steps of Community Water TreatmentCoagulation and Flocculation. ... Sedimentation. ... Filtration. ... Disinfection.
What are the 3 steps of water treatment?
There are three main stages of the wastewater treatment process, aptly known as primary, secondary and tertiary water treatment. In some applications, more advanced treatment is required, known as quaternary water treatment.Dec 6, 2018
How many types of water treatments are there?
There are four common types of household water treatment systems, and they are: Filtration System: This is a water filter device that will remove impurities by means of a physical barrier, chemical, or a biological process.Jul 6, 2017
What is screening and straining?
Screening and straining devices trap trash and coarse debris using smaller apertures such as grates or screens.Jan 18, 2022