H Hydrex™ Cooling System Chemicals For the treatment of cooling systems, Hydrex™ offers the 2000 series. Sludge treatment Hydrotech Beltfilter The Hydrotech Beltfilter is made for efficient filtration and draining of sludge and wastewater. Sludge treatment I Ionpro™ LX Ionpro™ LX systems produce high purity water with low bacteria levels. Ion exchange & Deionisation R RAPIDE STRATA™ High-purity industrial deionisers. Offer savings compared to conventional ion exchange. Ion exchange & Deionisation RO + CEDI SYSTEMS RO + CEDI Systems combines reverse osmosis (RO) and continuous electrodeionization (CEDI) to produce high purity water suitable for high pressure boilers and other industrial applications. Flow rates for standard systems range from 2.5 to 25 m3/hr. Ion exchange & Deionisation