GENESEE GENERATING STATION UNITS 4 AND 5 WATER CONSUMPTION AND EFFLUENT DISCHARGE CHARACTERIZATION REPORT

Transcription

1 GENESEE GENERATING STATION UNITS 4 AND 5 WATER CONSUMPTION AND EFFLUENT DISCHARGE CHARACTERIZATION REPORT B&V PROJECT NO B&V FILE NO REV. 0 ISSUED FOR PERMIT APPLICATION Black & Veatch Holding Company All rights reserved. PREPARED FOR Capital Power 19 SEPTEMBER 2013

2 CAPITAL POWER WATER CONSUMPTION AND EFFLUENT DISCHARGE CHARACTERIZATION REPORT Table of Contents 1.0 Objective Water Supply Water Effluent Summary Methodology and Analysis Appendix A Water Effluent Characterization Spreadsheet Appendix B Water Mass Balance Attachment 1 Existing Genesee Cooling Pond Water Quality BLACK & VEATCH Table of Contents i

3 1.0 Objective This data and information is being provided to support the Project Water Impact Assessment being conducted by Others for permitting purposes. Based on the Project Block Diagram depicted on Drawing DN 0001 (Rev 0) and the water mass balance diagram WMB 1 (Rev 0), the major sources of project related environmental water emissions are expected to include the following. Heat Recovery Steam Generator (HRSG) Blowdown Gas Turbine (GT) Air Inlet Evaporative Cooling Blowdown Project Drains through the Oil/Water Separator Water Treatment Wastewater o Filter backwash o Reverse osmosis reject o Mixed bed regenerant waste Water Supply Water supply for the Project is from the existing Genesee site cooling pond. The water mass balance and effluent discharge characterization were created using the cooling pond water quality data. (Attachment 1) Water Effluent Water effluent for the Project will be discharged to the Genesee site existing settling pond. The water flows and constituents indicated within this report are limited to the impact to the Genesee site from Genesee Generating Station Units 4 and 5. BLACK & VEATCH Objective 1 1

4 2.0 Summary The effluent discharge characterization is shown on the spreadsheet in Appendix A. The Project water flow rates for the supply, use, evaporation, and effluent are depicted on the water mass balance diagram WMB 1 (Rev 0) in Appendix B. BLACK & VEATCH Summary 2 1

5 3.0 Methodology and Analysis The Project water flow rates for the supply, use, evaporation, and effluent are based upon the following: 1. HRSG Steam Cycle Makeup as 2% of Steam Turbine Flow with one third being lost as steam and two thirds being discharged as boiler blowdown. 2. GT Air Inlet Evaporative Cooling is based on Mitsubishi Power Systems data. Blowdown rate is based on 10 cycles of concentration in the evaporative cooler. 3. Project Drains through the Oil/Water Separator based on typical 2x1 Combined Cycle Power Plant B&V in house data. 4. Filter backwash is based on backwashing the filters once per day. 5. Reverse osmosis reject is based on 75 percent recovery, traditional with fresh water sources. 6. The mixed bed regenerant waste is based on regenerating the resin once per week. 7. The boiler quench water flow is based on cooling the boiler blowdown to 140 F. BLACK & VEATCH Methodology and Analysis 3 1

6 Appendix A. Water Effluent Characterization Spreadsheet BLACK & VEATCH

7 CAPITAL POWER GENESEE GENERATING STATION UNITS 4 AND 5 PRELIMINARY WATER CONSUMPTION AND EFFLUENT DISCHARGE CHARACTERIZATION Raw Filter Service RO RO RO MB Mixed Bed HRSG Quenched Evap Oil/water Effluent Water Backwash Water Inlet Effluent Reject Effluent Waste Blowdown Blowdown Cooler BD Separator (Note 1) Flow (gpm) Flow (gpm) Ca (2.50 as CaCO3) Ca (2.50 as CaCO3) Mg (4.11 as CaCO3) Mg (4.11 as CaCO3) Na (2.17 as CaCO3) Na (2.17 as CaCO3) K (1.28 as CaCO3) K (1.28 as CaCO3) Cations (as CaCO3) Cations (as CaCO3) M-Alk (as Ca CO 3 ) M-Alk (as Ca CO 3 ) HCO3 (0.82 as CaCO3) HCO3 (0.82 as CaCO3) CO3 (1.67 as CaCO3) CO3 (1.67 as CaCO3) OH (2.94 as CaCO3) OH (2.94 as CaCO3) P (as CaCO3) P (as CaCO3) SO4 (1.04 as CaCO3) SO4 (1.04 as CaCO3) Cl (1.41 as CaCO3) Cl (1.41 as CaCO3) NO3 (0.81 as CaCO3) NO3 (0.81 as CaCO3) CO2 (1.14 as CaCO3) CO2 (1.14 as CaCO3) SiO2 (0.83 as CaCO3) SiO2 (0.83 as CaCO3) Anions (as CaCO3) Anions (as CaCO3) ph NA NA NA NA NA NA NA NA NA 8 ph Cond., umhos/cm (calc Cond., umhos/cm (calc) TDS (calculated), mg/l TDS (calculated), mg/l TSS, mg/l TSS, mg/l Turbidity, NTU Turbidity, NTU Total hardness, mg/l Total hardness, mg/l Carbonate hardness, m Carbonate hardness, mg/l Noncarbonate hardnes Noncarbonate hardness, mg/l Color, mg/l Color, mg/l Fe, mg/l Fe, mg/l Mn, mg/l Mn, mg/l Lead, mg/l Lead, mg/l Zn, mg/l Zn, mg/l Hg, mg/l Hg, mg/l Chromium, mg/l Chromium, mg/l Cd, mg/l Cd, mg/l Arsenic, mg/l Arsenic, mg/l Cu, mg/l Cu, mg/l Flouride (mg/l) Flouride (mg/l) Ammonia Nitrogen (mg Ammonia Nitrogen (mg/l) Temperature, Deg C Temperature, Deg C Note 1: Effluent does not include sanitary treatment effluent. B&V Project # B&V File # REV Sep-13

8 Appendix B. Water Mass Balance BLACK & VEATCH

9 Intake Canal Extension Evaporation Non- Recoverable Losses (82.0) (17.3) (5.9) 72 HRSG (16.4) Quench Water Blowdown Gas Turbine Inlet Air Evaporative Cooling 84 (19.2) Demineralized Water Tank 80 (18.2) Steam Cycle (65.7) (1.9) (37.4) (12.3) HRSG Blowdown Filtration System Reverse 169 Mixed Bed #REF! 72 Quench Water Osmosis (62.5) (51.1) System #REF! (38.4) Demineralizer (16.4) (3.2) (11.4) (12.7) (1.1) (28.6) Service Water 209 Users 72 (47.6) 50 (11.4) Plant Drains 50 Oil/Water (11.4) Separators (11.4) (58.9) Existing Settling Pond 259 (58.9) Existing Cooling Pond NOTES WATER BALANCE DESIGN INFORMATION DRAWING INFORMATION 1. ALL NON-PARENTHESIS FLOWS ARE IN GALLONS PER MINUTE - GPM. FUEL NATURAL GAS CONDENSER COOLING WET - ONCE THRU ENG: SAB B&V PROJECT CAPITAL POWER 2. ALL PARENTHESIS FLOWS ARE IN CUBIC METERS PER HOUR - CMH. NET PLANT OUTPUT (MW) TBD COOLING POND CYCLES N/A DWG: SAB DRAWING NO. WMB GENESEE GENERATING STATION 3. ALL FLOW RATES ARE PROJECT BASIS. DRY BULB TEMP (C) 35.3 LOAD FACTOR 100% CHK: JRD WMB CASE 1 UNITS 4 AND 5 4. THIS DRAWING IS PRELIMINARY AND SUBJECT TO FINAL MHI DESIGN DATA. RELATIVE HUMIDITY 55% REVISION 0 PRELIMINARY WATER BALANCE DAY HEAT BALANCE CASE MAX SUMMER TBD DATE FILE 19-Sep MHI 501J PRELIMINARY