A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Combining operational and equipment improvements to an electrodialysis membrane system produces substantial cost savings and reliable water supply
There are many issues involved in construction and operation of a large state correctional institution, regardless of where such a facility is located. When these facilities are located in remote desert areas, water supply is critical and creates unique operating challenges, which require unique technology solutions. This paper focuses on the integration of operational and equipment improvements and enhancements that were implemented in late 2009. The performance and productivity of a poorly operating water treatment facility were greatly improved, and the operating and maintenance costs were substantially reduced. The paper will also discuss how the cooperative relationship between operators and manufacturer technical experts has resulted in current pilot work being conducted at this plant to give a glimpse into the future improvements expected in EDR technology. The Arizona State Prison Complex (ASPC) near Buckeye, Arizona houses more than 5,000 inmates. The water supply is from two brackish groundwater wells being treated by a GE Ionics electrodialysis membrane system. The water demand averages around 1.5 million gallons a day during the summer months. GHD operating staff worked closely with engineers and technicians from GE Power and Water, the EDR equipment manufacturer, to address the issues and sustain control. The main equipment changes were the relining of the groundwater wells, and the adoption of the next generation of EDR stacks. The net result of these changes is a >25% reduction in stack power consumption, a 38% reduction in labor hours to maintain the stacks, a decrease in membrane replacement frequency, and a 9-fold increase in the interval between CIP treatments. The reduction in membrane replacement alone resulted in annual cost savings of more than 300,000. Due to the consistent requirement for treatment of difficult raw water at this facility, particularly during desert summers, and the good relationship between prison facilities staff, the operators, and the equipment supplier, this site has become a preferred site for plant-scale trials of new EDR technology. In March of 2011, a field trial was initiated looking at alternate electrode materials and operating procedures for the EDR stacks. The new electrode materials hold the promise of eliminating electrode feed acid injection and gas generation, both of which will reduce the operating costs and extend the life expectancy of the plant.
Combining operational and equipment improvements to an electrodialysis membrane system produces substantial cost savings and reliable water supply
There are many issues involved in construction and operation of a large state correctional institution, regardless of where such a facility is located. When these facilities are located in remote desert areas, water supply is critical and creates unique operating challenges, which require unique technology solutions. This paper focuses on the integration of operational and equipment improvements and enhancements that were implemented in late 2009. The performance and productivity of a poorly operating water treatment facility were greatly improved, and the operating and maintenance costs were substantially reduced. The paper will also discuss how the cooperative relationship between operators and manufacturer technical experts has resulted in current pilot work being conducted at this plant to give a glimpse into the future improvements expected in EDR technology. The Arizona State Prison Complex (ASPC) near Buckeye, Arizona houses more than 5,000 inmates. The water supply is from two brackish groundwater wells being treated by a GE Ionics electrodialysis membrane system. The water demand averages around 1.5 million gallons a day during the summer months. GHD operating staff worked closely with engineers and technicians from GE Power and Water, the EDR equipment manufacturer, to address the issues and sustain control. The main equipment changes were the relining of the groundwater wells, and the adoption of the next generation of EDR stacks. The net result of these changes is a >25% reduction in stack power consumption, a 38% reduction in labor hours to maintain the stacks, a decrease in membrane replacement frequency, and a 9-fold increase in the interval between CIP treatments. The reduction in membrane replacement alone resulted in annual cost savings of more than 300,000. Due to the consistent requirement for treatment of difficult raw water at this facility, particularly during desert summers, and the good relationship between prison facilities staff, the operators, and the equipment supplier, this site has become a preferred site for plant-scale trials of new EDR technology. In March of 2011, a field trial was initiated looking at alternate electrode materials and operating procedures for the EDR stacks. The new electrode materials hold the promise of eliminating electrode feed acid injection and gas generation, both of which will reduce the operating costs and extend the life expectancy of the plant.
Combining operational and equipment improvements to an electrodialysis membrane system produces substantial cost savings and reliable water supply
Brough, Kerry J. (author) / Girvin, Patrick (author) / Valley, Bruce E. (author) / Barber, John (author) / Aldridge, Joseph (author)
2012
11 Seiten, 3 Bilder, 3 Tabellen
Conference paper
English
New Plant Improvements Result in Substantial O&M Cost Savings
| British Library Conference Proceedings | 2010
Optimizing Filter Operations to Produce Substantial Cost Savings
| British Library Conference Proceedings | 2012
Operational guidance for reliable water supply
| British Library Conference Proceedings | 1996
New measuring technique produces huge savings
British Library Online Contents | 2001
Energy management: Air con revamp brings substantial savings
British Library Online Contents | 2008