kotelní kámen

Boiler scale

August 29, 2016
Boiler scale is a mixture of several minerals which settle on the walls of pipes or containers where hard water is being heated. Complications occurs mostly in boilers with...

Uranium in water and its removal

August 29, 2016
Uranium is a silvery glossy radioactive chemical element belonging to a group called actinoids. It was discovered by Martin Henrich Klaproth in 1789. In pure form it was only...
bacilus cereus

Bacillus cereus bacteria

August 29, 2016
Most of the members of Bacillus cereus species are saprophytic microorganisms which can be found mostly in soil, air and on plants.

Cyanides in the water and their removal

July 29, 2016
Cyanides are salts of a hydrocyanic acid. They are white and in a crystallic form. The most common cyanides are a potassium cyanide and sodium cyanide. 

Sulfates in the water

July 21, 2016
Sulfates(SO42+) are salts of a sulfuric acid in which sulfate anion (SO42−) and a cation – mostly of metal, ocassionaly amonium cation NH4+ – are found.

Removal of chlorine and chlorides from water

July 20, 2016
Remmoval of chlorine and chlorides right before its consumption is very appropriate. Chlorine has been added to water for ages to disinfect. Chlorine makes it very difficult...
Water treatment for industry and households