Know-how

The worldwide consumption of single-use plastic is still rising. In 2004, 300 billion plastic bottles were sold. In 2016, this number rose to 480 billion. This means an increase of 62,5%. In 2021, the number of bottles sold yearly will rise to 583.3 billion. Another increase of 82,3%. According to research by Euromonitor, the enormous…

The method of treatment depends on the type of water. We give an overview of the five most important sources of water. In European countries in our business we generally treat in the first place city water and in second place ground water, through private wells. There is tendency of treating more and more sea…

Water hardness or hardness in water is a measure of the amount of calcium and magnesium in the water. The more calcium and magnesium the water contains, the harder the water. Water hardness is usually expressed in milligrams per litre (mg/L) or in ppm (parts per million). But other units of measurement are very often…

For a correct calculation of a water treatment appliance it will be very important to know the water consumption. The water consumption will vary from one person to another and from one country to another. Water consumption per inhabitant has a tendency to go down when the price of the water goes up. In the…