Drinking Water Treatment Steps

Water treatment steps step 1 water source protection.

Drinking water treatment steps.

General steps in purification of drinking water includes 1. Sedimentation during sedimentation floc settles to the bottom of the water supply due to its weight. Water purification plays a key role in ensuring access to safe drinking water. Aerated water is then placed in settling tank and stored for 10 14 days.

Step 3 filtration. This html page contains the same information as that found within the pdf. Systems are in place to ensure ongoing water quality including water quality testing. The water is then filtered through layers of fine granulated materials either sand or sand and coal depending on the treatment plant.

Filtration once the floc has. Raw water is first collected in large aeration tank and the water is aerated by bubbling compressed air. Chlorination boiling of water treatment with excess limetreatment with excess lime additional 14additional 14 43 ppm43 ppm increase ph treatment with ozonetreatment with ozone treatment with iodine and bromine treatment with potassium permanganate treatment with ultra violet rays treatment with silver called electra katadyn. Sedimentation is a physical treatment process used to reduce the turbidity of the water.

Community water treatment coagulation and flocculation coagulation and flocculation are often the first steps in water treatment. A pdf version of this document with information conveyed visually in table format is available please note that the pdf is not accessible for screen readers. Safe drinking water positively impacts the health of the entire community. A guide to drinking water treatment technologies for household use pdf icon pdf 1 26 mb.

There are many pollution problems which may threaten drinking water quality at the. This document is designed as a guide for.