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 M MemGas™ The MemGas™ membrane technology is a proven state-of-the-art technology for biomethane production. It is based on the permeability and selectivity of the membrane in respect to different gases. Biogas and Odour Treatment