Page 121 - Membranes for Industrial Wastewater Recovery and Re-Use
P. 121

Table 3.6  Examples of the use of reclaimed water for cooling or boiler applications
            Facility (Reference)              Application                    Method                        Water (Power) offset
            Palo Verde nuclear power plant, Arizona   Cooling water for 3800 MW nuclear   Recirculating cooling towers with   >250000m3 d-l
            (Blackson andMoreland, 1998)      power plant using nitrified reclaimed   18-23 cycles of concentration: zero
                                              water with supplemental chemical   liquid discharge: evaporation ponds
                                              treatment: softening, phosphorus   for blowdown water
                                              removal, pH adjustment, and
                                              chlorination
            Chevron Oil Refinery, Oakland, California   Refinery cooling water using   Recirculating cooling tower   17 000 m3 d-’
            (Puckorius, 1997)                 reclaimed water with supplemental
                                              lime treatment, filtration, and
                                              disinfection
            Lockheed-Martin Electronics operation,   Cooling water for production of   Counter current cooling towers   6800  m3 d-’
            Ocala. Florida                   electronics assemblies and secondary
                                             cooling of HVAC using
                                              manufacturing process wastewater
                                              treated with hydrogen peroxide and
                                              ozone
            Bergen generating facility, Bergen County,   Cooling water for 625 MW   Recirculation cooling: blowdown   5400 m3 d-’
            New Jersey (Puckorius, 1997)     thermoelectric power plant using   discharged to sanitary sewer
                                              reclaimed water treated with biocide,
                                              acid, and polymer
            City of Tampa waste-to-energy facility,   22 MW facility. Processes 1000 tons   Two cell recirculating evaporative   2200 m3 d-’
            Tampa, Florida                   per day                         cooling tower. Blowdown water is
                                                                             discharged to wastewater treatment
                                                                             plant
            Oil refinery, Singapore          Oil refinery using reclaimed water   Once-through cooling of 32 water-   1600 m3 d-’
                                             treated with acid, scale inhibitor,   cooled pumps and two recirculating
                                             dispersant, and corrosion inhibitors   cooling towers
            Flag Fen, UK                     Dual membrane MF: 28 modules,   Boiler feedwater using polished   1200m3 d-l
                                             0.1 pm pore size: RO: 4:2 array:   municipal
                                             80% recovery
   116   117   118   119   120   121   122   123   124   125   126