January 2014 – Hard and Soft Water

Zeolite process for water softening

January 29, 2014August 9, 2015 Tasrik 22 Comments

What is zeolite
Zeolite is micro-porous mineral which is used as catalyst in many industrial purposes such as water purification and air purification. The zeolites are hydrated aluminosilicates and general composition Al_xSi_yO_2(x+y) (without water molecules). …

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 …