Hard and Soft Water – Page 6 – Hard and soft water provides information on water filter, softener and water purification or treatment systems

Demineralization of water – DM water

November 30, 2017June 1, 2018 Tasrik 4 Comments

Demineralization of water is a process that removes minerals from water and produced demineralized water. Shortly it is called dm water or demi water. It is water softening process. The most common dm water processes are distillation, deionization, membrane …

Swimming pool filter system

August 14, 2017August 15, 2017 Tasrik 1 Comment

Swimming pool filter system is used to removes dust, dirt, debris and other particulates from the water. These contaminants come into the pool water through the environment, chemicals or carried by the swimmers. The wind blows the dust, leaves, chemical …

Disinfection and sterilization of water

May 5, 2017May 5, 2017 Tasrik 1 Comment

Sterilization of water is the process that kills, eliminates or deactivates the all form of microorganisms in the water. It is the critical stage for safe potable water. This method must achieve all most 100% deactivation so that prevents the …

Coagulation water treatment process

March 4, 2017March 4, 2017 Tasrik 1 Comment

The purpose of coagulation water treatment process is to removes the colloidal particles from water. The water may contain suspended matter, small or large solid particles. Sedimentation and filtration processes can removes most of the solid particles but the small …

Determination of chemical oxygen demand of water

January 13, 2017January 13, 2017 Tasrik 2 Comments

Chemical Oxygen Demand indicates the amount of oxygen required to oxidize all soluble and particulate organic substances in water under specific conditions. All organic compounds may convert into carbon dioxide, water and ammonia. It is a significant parameter to determinate …

Biochemical Oxygen Demand – BOD determination

November 30, 2016November 29, 2016 Tasrik Leave a comment

There is a close relationship between dissolved oxygen and biochemical oxygen demand. BOD is the amount of dissolved oxygen required to break down the organic material of the sample water by aerobic biological organisms at certain temperature over a …

Aquarium water treatment

October 19, 2016October 19, 2016 Tasrik Leave a comment

There are different sources of aquarium water. All are not suitable for it. So treatment is necessary. Moreover, you have to feed the fish. This can also create problems. The main aquarium water problems are algae, ammonia, nitrite, nitrate, phosphate, …