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To sustain itslong-term water needs, the City of Rio Rancho, New Mexico has undertaken a feasibility study to develop a waterreuse strategy that will significantly expand the use of reclaimed water, reducegroundwater withdrawals, and provide advanced treatment for aquifer recharge.Membrane treatment processes are proving to be promising technologies forwastewater purification and reclamation. This phase of the study involved pilot testingof an Integrated Membrane System (IMS) process. The process consisted of membranebioreactors (MBR) to provide tertiary treated water followed by reverse osmosis (RO)to provide purified water that can be injected into the groundwater. supplies. The pilot study was started in May, 2004 and completed inDecember, 2004.The reclaimed water pilot testing will achieve the following research needs:demonstrate that MBR effluent meets reclaimed water quality goals forcommercial, landscape irrigation and industrial uses as well as surface waterdischarge requirements;demonstrate the proposed IMS system (MBR?RO) meets water quality goals forSafe Drinking Water Act and New Mexico Water Quality Control Commissionstandards for groundwater recharge;provide training to City of Rio Rancho wastewater treatment operators onmodern technologies (MBR and RO);evaluate pretreatment and post treatment (including disinfection) requirements andconcentrate disposal options for the IMS; and,develop cost estimates (capital and O

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Edition: Vol. - No. Published: 03/01/2005 Number of Pages: 7File Size: 1 file , 480 KB