The next step: Upgrade of the MembraNe Bioreactor at North Head Recycled Water Plant

摘要

After nine years of operation, SWC considered options to cater for the increased demand for recycled water at North Head WWTP. An audit performed by the supplier of the original membrane equipment informed SWC’s choice of upgrade option. The selected option included the replacement and upgrade of MEMCOR ® membrane modules with a new generation product by the original supplier. The upgrade that was done ‘on line’ while the plant was producing recycled water, resulted in a plant that now produces more recycled water without compromising filtrate quality at lower dollar per ML energy costs compared with the original design. Examining pre and post upgrade plant operating data allowed findings to be made on the performance of nine-year-old membranes compared with new membranes. The upgrade was also an opportunity to upgrade controls incorporating operating experience from previous years.