Hard and Soft Water – Page 11 – Hard and soft water provides information on water filter, softener and water purification or treatment systems

Lime soda process

January 22, 2014January 22, 2014 Tasrik 5 Comments

Lime soda process is one of the water softener systems. In this system calcium hydroxide and soda ash are used as reagents. By this process soluble magnesium and calcium salts are removed as calcium carbonate and magnesium hydroxide precipitated. After …

Hard water vs soft water

January 15, 2014January 10, 2014 Tasrik 1 Comment

Hard water and soft water are defining depending on water contaminants with some metals ions such as calcium, magnesium. Hard water is not good for all position; same way soft water also not suitable for all applications.

Generally hard water …

Soft Water

January 8, 2014January 8, 2014 Tasrik Leave a comment

What is soft water
Soft water means when the water is free from the ions of chloride, sulfate and bicarbonate of calcium and magnesium salt or presence little amount of these ions; in particular total water hardness less than 150 …

Coliform Bacteria in water

January 1, 2014January 1, 2014 Tasrik 2 Comments

What is coliform bacteria
Coliform bacteria are single-celled organisms that are present in the environment such as rivers, lakes and streams and as well as all warm-blooded animals like human. The structure of them is rod-shaped, gram-negative and non-spore forming …

Bacteria in water

December 25, 2013December 25, 2013 Tasrik 1 Comment

Physiologically and morphologically heterogeneous bacteria can create nuisances in water systems. The bacteria are included in this group are slime bacteria, iron bacteria, sulfur bacteria and sulfate bacteria. Bacteria in water systems create taste, order, and produce color in water. …

Determination of hardness of water by EDTA method

December 18, 2013May 3, 2018 Tasrik 8 Comments

Determination of hardness of water by EDTA method is one of the three main methods for determination of hardness of water. EDTA means Ethylenediaminetetraacetic acid. This EDTA reagent can be forming edta-metal complexes by the reaction with metal ions except …

Determination of Water Hardness

December 10, 2013December 17, 2013 Tasrik 2 Comments

Theoretically water hardness means the concentrations of all the metallic cations except the cations of the alkali metals. All nonmetallic ions like Hydrogen ion are excluded from the definition. Normally in the largest part waters, all off the water hardness …

Industrial effects of Hard Water

November 30, 2013August 9, 2015 Tasrik Leave a comment

Hard water effects significantly in industries. It can be said that in every industrial purpose it should be use conditioning water rather than hard water. Such as Beverages, textile industries, boiler, cooling tower and plumbing purposes.

Effect of Hard Water …

Whole house hold effects of hard water

November 27, 2013November 27, 2013 Tasrik Leave a comment

There are several negative effects of hard water in whole house hold work such as limescale form in coffee makers, tea kettles, hot water heaters, steam irons, washing machine, faucets, shower heads, inside of pipes, taps etc. More soap and …

Hard Water Effects on Health

November 26, 2013November 27, 2013 Tasrik 1 Comment

Hard water has no recognized undesirable effects on health; On the other hand, a small amount of calcium and magnesium mineral is daily need for our health. Some people are advice by their physician to use hard water for drinking …