The capacity of sedimentation tank is limited by its surface loading and the inclined tube settler is designed to overcome this critical limitation.  The inclined tube settler can be used in either new plant or existent sedimentation tank.
By submerged the Bio-Film contactor under the wastewater with aeration, the micro-organisms will be adhered and grown on surface of contactor then decompose the organic substance in the wastewater. Durable material, easy adhesion by micro-organism, ample strength and back wash system were the key parameters of the treatment efficiency of this process.