B Biosep™ / Neosep™ Biosep™ is an aerobic biological treatment process treating municipal and industrial effluents. Aerobic Wastewater Treatment H Hydrotech Beltfilter The Hydrotech Beltfilter is made for efficient filtration and draining of sludge and wastewater. Sludge treatment Hydrotech Drumfilter Patented mechanical self-cleaning drumfilter for municipal and industrial recovery water applications. Filtration W Whittier™ L’EAU CLAIRE Veolia’s L’Eau Claire™ is an up-flow deep-bed media filtration technology designed for the effective removal of fine solids, colloidal silica and color. Filtration