As much as 60% of industrial chemicals produced rely on the manufacture of chlorine in some way. In the UK over 1.6 million tonnes of chlorine are produced annually, with some 44 million tonnes being produced worldwide.
European countries producing chlorine include:
Other chlorine producers include the United States, Canada, Brazil, Japan, China and India.
Manufacture of Chlorine Compounds
When dissolved, chlorine reacts with water. It is the hydrogen chlorate
produced that is responsible for the bleaching effect of chlorine.