Pretreatment, process waterliquid treatment, waste water treatment, water recycle and product recovery using various physico-chemical processes for settling, clarification, filtration, and disinfecton, membrane and ion exchange technology.Ion exchange resins, membranes, polymers and polyelectrolytes for water and speciality non-water applicationsBoiler and cooling water treatment chemicalsFireside chemicals and fuel additivesProcess chemicals for sugar and paper manufactureSpecialised systems for removal of excessive fluoride, arsenic, iron and nitrates from water. These along with disinfection systems have been adapted to rural needs.Domestic and institutional drinking water purifiers and water conditioners; central drinking water treatment systems.Sewage treatment and recycle systemsComprehensive services rehabilitation and automation of plant, BOOT, O&M, consultancy, operator training, design engineering and project management.