Discusses selenium in mine water and use of MBR. No aeration approach is presented as method for reducing energy. Recipricating motion used to prevent build-up on membranes. Includes pilot test results with membrane performance and water quality....

This paper describes the design of a submerged UF/MF system, called LENA (Less Energy No aeration and utilizes a mechanical system to prevent membrane fouling.. This process can be applied to any submerged membrane systems combined with chemical precipitation or biological treatment systems. LENA UF/MF system is suitable for filtration where it is...

The LENA MBR system utilises mechanical membrane reciprocation in place of membrane air scouring to reduce energy consumption. Membrane reciprocation creates an inertial force which acts on the membrane fibres, propelling foulants from the membrane surface. Furthermore, due to the loose packing of the fibres, these fibres are able to move relative ...