Chemical production engineering
- production of boric acid, borate and calcium hexaborate, metal borates, borax;
- production of chromium compounds;
- production of chrome tannins for the leather industry;
- production of sodium sulphide for leather and mining industries, including by low-waste conversion method from
- wastes containing sodium sulfate;
- production of sodium perborate;
- production of sodium pyrosulfite;
- production of anhydrous sodium sulfate;