B BioCon™ BioCon™ : Veolia Water Technologies’ sludge dryer Sludge treatment E Evaled™ Evaporation technologies for wastewater treatment, water reuse and zero liquid discharge (ZLD), waste volume and disposal cost reduction, and by-products recovery. Evaporation - Distillation - Crystallization H Hydrex™ Comprehensive range of water treatment chemicals to suit all water treatment needs. Sludge treatment