What Is Water Treatment Process?

Water Treatment Process Steps

1. Collection

2. Screening

3. Chemical Addition

4. Coagulation

• Here, the coagulant is mixed with water, and after some time coagulant will start the coagulation process.
• The coagulation process is also known as flocculation.

5. Filtration

6. Disinfection

7. Storage

8. Distribution

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Drinking Water Treatment

1. Screening

• Screening is the process where it removes the major large floating and suspended particles.
• Generally, the water contains leaves, debris, paper, twigs, etc and those substances damage the equipment; that’s why the screening process is important.
• Two types of screen processes are available, those are coarse screen and fine screen.
• In coarse screen corrosion, resistive steel bars are placed at a distance of 5 to 15 cm. Here, screens are placed at 60 degrees.
• Fine screens are placed at just a lower level of the coarser screen. Here, steel bars are placed at a distance of 5 to 20 mm.

2. Aeration

• This step is done after the completion of the screening process; here, the aerated operation is done by absorbing oxygen from the air.
• The aeration process helps to remove some soluble gases like carbon dioxide, hydrogen sulfide, etc.
• Sometimes, iron and manganese are present in soluble form in the water. Aeration helps to remove those materials from that.
• Sometimes, a higher amount of algae is present in the water, and it blocks the sand filter. To overcome this situation chlorination process is done to remove. The main steps of water treatment come after this step.

3. Coagulation and Flocculation

• To remove the small particles and suspended particles, the process is done.
• In the coagulation tank, a high-speed impeller is rotated to mix the coagulant properly.
• Flocculation takes place after coagulation is completed.
• In this step, water is gently stirred, and flocs are getting connected with another floc and create larger flocs.
• In flocculation, water flows through the basin at a very low speed. Here, different chamber is present to create flocs.

3. Sedimentation

• After large flocs are obtained, then it settles at the bottom of the basin.
• Generally, for this operation, water is kept at the chamber for a long period.
• The materials which are stored at the bottom portion is called sludge, and there is a certain way to remove that material.

4. Filtration

• This is the fifth step of water treatment process, where solids are separated from the water.
• In this step, the filter have a filtration rate of 4 to 5 cubic meter per square meter, and a rapid gravity technique also takes place.

5. Chlorination

• This process is done to remove bacteria, microorganisms, etc.
• It is the most effective process because it is simple & cheap.

6. Supplementary Treatment

Drinking Water Quality Standards

What Are the Steps in Water Treatment Process?

What Are the 7 Methods of Water Treatment?

• Coagulation / Flocculation: Coagulation is adding liquid aluminum sulfate or alum and/or polymer to raw or untreated water. The resulting mixture causes the dirt particles in the water to coagulate or stick together.
• Sedimentation: When water and flocs undergo the treatment process, they go into sedimentation basins. Here, water moves slowly, making the heavy floc particles settle to the bottom.
• Filtration: In filtration, water passes through a filter, which is made to take away particles from the water. Such filters are composed of gravel and sand or sometimes crushed anthracite.
• Disinfection: Before water goes into the distribution system, it is disinfected to get rid of disease-causing bacteria, parasites and viruses. Chlorine is also applied since it is very effective.
• Sludge Drying: Solids that have been gathered and removed from water via sedimentation and filtration are transferred to drying lagoons.
• Fluoridation: Fluoridation treats water supplies of communities to adjust the concentration of free fluoride ions to an optimal level so that dental cavities can be reduced.
• pH Correction: To adjust pH levels, lime is combined with filtered water. This, also, stabilizes naturally soft water so corrosion can be minimized in the water distribution system and plumbing of customers.

What Are 3 Different Methods of Water Treatment?

• Boiling: Boiling water is the cheapest and safest method of water purification. Water sources and or channels of distribution may render your water unsafe.
• Filtration: Filtration is one of the effective ways of purifying water and when using the right multimedia filters it’s effective in ridding water of the compounds.
• Distillation: Distillation is a water purification method that utilizes heat to collect pure water in the form of vapor. This method is effective by the scientific fact that water has a lower boiling point than other contaminants and disease-causing elements found in water.

What Is Water Treatment and Why Is It Important?

Is Treated Water Safe to Drink?

What Is the Most Important Step in Drinking Water Treatment?

What Are the Benefits of a Drinking Water Treatment Plant?

Is Reverse Osmosis Water Good for You?

What Are the Problems with Water Treatment?

Can You Drink Rain Water?

How Do You Treat Lake Water for Drinking?

What's the Healthiest Way to Drink Water?

• It can help cleanse the body by flushing out toxins.
• It can help break down food faster and keep the digestive system on track.
• It improves blood circulation, while cold water slows it down.

How Do You Purify Water in the Wild with Nothing?

How Do You Remove Chemicals from Water?

Is It Ok to Drink Reverse Osmosis Water?

How Can You Make Drinking Water Safe?

Can You Filter Lake Water to Drink?

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