PRIEN / PIAA Meeting April 30, 2009 Pfizer Caguas Measuring Operational Efficiency Hilario J. Negrón hilario.negron@abbott.com (787) 846-3500 ext 3223 (787) 642-2331
Major Energy Users Boiler System Chillers Electricity Company Confidential © 2005 Abbott Measuring Operational Efficiency, April, 2009
Boiler System Efficiency – Lbs / gal Fuel Oils Mass (Btu / lbm) Volume (Btu/gal) Ethanol 12,800 76,152 Propane 21,646 81,855 Diesel 19,110 138,110 Company Confidential © 2005 Abbott Measuring Operational Efficiency, April, 2009
Theoretical Efficiency Boiler System Boiler efficiency 80% Saturated Steam 120 psig Enthalpy – 970.4 Btu / lbm Theoretical Efficiency (Lbs / gal) Ethanol 62.78 Propane 67.48 Diesel 113.86 Company Confidential © 2005 Abbott Measuring Operational Efficiency, April, 2009
Boiler System Impact Fuel Oil Heating Value Economizer (10 °F dT) Boiler Passes (3 – 4 passes) Chemical Treatment / Blowdown Fire Side Cleaning Water Feed Quality (RO Installation) Insulation Flue Gases Company Confidential © 2005 Abbott Measuring Operational Efficiency, April, 2009
Centrifugal Chillers Efficiency Measured in KW / Tons Tons = dT ( Flow) / 2000 Company Confidential © 2005 Abbott Measuring Operational Efficiency, April, 2009
Chiller Efficiency Impact Variable Speed Design Load Percentage (75% target) Setpoint temperature (1°F – 1%-2%) Chemical Treatment (10% - 35%) Condenser Water Temp Water Flow Approach Temperature Company Confidential © 2005 Abbott Measuring Operational Efficiency, April, 2009
Company Confidential © 2005 Abbott Measuring Operational Efficiency, April, 2009
Company Confidential © 2005 Abbott Measuring Operational Efficiency, April, 2009
Efficiency Summary Actual Steam North 113 Lbs/gal Steam South HVAC North 0.77 kw/ton HVAC South 0.71 kw/ton Electricity / Power Kw / unit area Kw / production Water Recycling Percentage Company Confidential © 2005 Abbott Measuring Operational Efficiency, April, 2009