B Biobed® Advanced EGSB The Biobed® EGSB technology (Expanded Granular Sludge Bed) is an extremely compact, high performance anaerobic treatment process for industrial effluents using granular sludge. Anaerobic Wastewater 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