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Fluor Corporation - Chemical Addition System Sizing Calculations
	ML18303A295
Person / Time
Site:	Crystal River
Issue date:	04/27/2016
From:	; FLUOR Corp
To:	; Duke Energy Florida
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ML18303A339	List: 3F1018-01, Fluor Corporation - Chemical Addition System Sizing Calculations; ML18303A293; ML18303A294;
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	3F1018-01, FL0000159
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Duke Energy Florida Project Calculation CCCOO-CA-M-YA.00.00-01 Citrus County Combined Cycle Project 27Apr2016 Contract A5VI Page 1 of 15 Revision B FLUOR CHEMICAL ADDITION SYSTEM SIZING CALCULATIONS This document has been revised as indicated below and described in the revision record on the following page Please destroy all previous revisions.

Revision Date Originator's Name & Initials Reviewed / Checked By Name Pages Revised Number & Initials A 31-Jul-15 David Rhodes Dennins McBride N/A B 27-Aor-16 All APPROVALS SIGNATURES Lead Engineer:

Engineering Manager:

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Duke Energy Florida Project Calculation CCCOO-CA-M-YA.00.00-01 Citrus County Combined Cycle Project 27Apr2016 Contract A5VI Page 2 of 15 Revision B FLUOR CHEMICAL ADDITION SYSTEM SIZING CALCULATIONS Record of Revisions Rev No Date Description A 31-Jul-15 Issued for Review (IFR}

B 27-Apr-16 Issued for Review (IFR}

CCCOO-CA-M-YA.00.00-0 l _RB.xlsx Mechanical Engineering

Duke Energy Florida Project Calculation CCCOO-CA-M-YA.00.00-01 Citrus County Combined Cycle Project 27Apr2016 Contract ASVI Page 3 oflS RevisionB CHEMICAL ADDITION SYSTEM SIZING CALCULATIONS 1.0 PURPOSE AND SCOPE The purpose of this calculation is to determine the sizing and design parameters of the Chemical Addition (YA)

System for the cooling tower, condensate and HRSG.

2.0 DESIGN CRITERIA 2.1 Per the Scope of Facilities Section 3.8.3 (Reference 4.3)

The cooling tower Chemical Addition System shall provide treatment of the circulating water to control deposition, corrosion, and biofouling in the condenser, heat exchangers, cooling tower, and associated piping 2.2 Per the Nalco cooling tower treatment recommendations for Citrus County (Reference 4.1)

The following are the recommended treatment plans for the cooling tower and makeup Chemical Service Treatment Volume Treatment Duration Daily Usage Sodium Hypochlorite Cooling Tower 150 gallons 30 minutes 150 gallons Sodium Bromide Cooling Tower 15 gallons 30 minutes 15 gallons Biopenetrant Cooling Tower 5 gallons 30 minutes 5 gallons Dispersant Cooling Tower 30 gallons continuous 30 gallons Sodium Hypochlortie Makeup Water 150 gallons 30 minutes 75 gallons Bromine Makeup Water 15 gallons 30 minutes 7.5 gallons Sodium Bisulfite Slowdown Stream 10 allons 90 minutes 10 allons 2.3 Per the Nalco cooling tower treatment recommendations for Citrus County (Reference 4.1)

Dechlorination product should be fed at a rate of 3.6 ppm per 1 ppm chlorine residual.

2.4 Per Reference 4.2, the Case 14 blowdown and dilution flowrates are as follows Makeup (Per Cooling Tower) 14006 gallons per minute Slowdown 21547 gallons per minute Dilution 43093 gallons per minute Discharge Total 64640 gallons per minute 2.5 Cooling Tower Chemical Tanks to be sized for at least 30 days storage and to accommodate half-tank refills Refill sizes are as follows:

Sodium Hypochlorite 5000 Gallons split between 2 of 3 tanks Sodium Bromide 2000 Gallons split between 2 of 3 tanks Sodium Bisulfite 2000 Gallons for 1 tank Dispersant 2500 Gallons split between 2 tanks Biopenetrant 1000 Gallons split between 2 tanks 2.6 Ammonia tank requires less storage capacity due to more frequent ammonia delievery schedule for the Selective Catalytic Reduction Ammonia Tanks.

Storage required for cycle ammonia will be 2 weeks.

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Duke Energy Florida Project Calculation CCCOO-CA-M-YA.00.00-01 Citrus County Combined Cycle Project 27Apr2016 Contract A5VI Page 4 of 15 Revision B 3.0 ASSUMPTIONS 3.1 Chlorine residual from all sources is 1 ppm 3.2 Chlorine solution concentration is 10%

3.3 Cooling tower volume is 1,200,000 3.4 Stochiometric Sodium Bromide to Sodium Hypochlorite is 0.3:1.0 3.5 Target Chlorine Residual is 5 ppm in all services 3.6 Phosphate Concentration is 5%

4.0 REFERENCES

4.1 Nalco Water Treatment Proposal Citrus County Combined Cycle Station. Seen in Attachment 1 4.2 Citrus County Water Ba!ance CCCOO-ME-M-WB-01 Rev. B 4.3 Citrus County Exhibit A-2 Scope of Facilities CCCOO-SP-G-00-02, Rev. 1 4.4 "Nalco Product Weights" 7/05/2015: Email from Ellie Palomo to Jeff Richardson. Seen in Attachment 2 4.5 Citrus County Heat Balance CCCOO-ME-M-FD-01 Revision C 4.6 Cycle Chemistry Guidelines for Combined Cycle/ Heat Recovery Steam Generators (HRSGs), EPRI, March 2006 Figure 3-2: Seen in Attachment 3 4.7 Ammonia Addition Table: Seen in Attachment 4 5.0 CALCULATION Cooling Tower Chemical Addition Calculations 5.1 Per Reference 4.4, the density of the chemicals and maximum tanker truck delivery weight are as follows.

Maximum Tanker Truck Weight 49500 pounds Sodium Hypochlorite 9.86 pounds/gallon Bromine 12.2 pounds/gallon Sodium Bisulfite 11.4 pounds/gallon Dispersant 9.4 pounds/gallon Biopenetrant 8.4 pounds/gallon*

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Duke Energy Florida Project Calculation CCCOO-CA-M-YA.00.00-01 Citrus County Combined Cycle Project 27Apr2016 Contract A5VI Page 5 of15 Revision B 5.2 Cooling Tower Sodium Hypochlorite Sodium Hypochlorite will be added to the cooling tower basin to be used as an oxidizing biocide.

This will be injected in intermittently over a period of 10 minutes.

Cooling water volume 1,200,000 gallons

-Chlorine feed 8 parts per million Bleach concentration 10%

Bleach Specific Gravity 1.175 Bleach weight per dose 800.64 pounds Bleach volume per dose 81. 70 gallons Sodium _Hypochlorite usage per cooling tower per day 81. 70 gallons Total sodium hypochlorite usage per day for two cooling towers 163.40 gallons Duration of sodium hypochlorite injection 30 minutes Flow rate required for chemical feed 2*.12 gallons per minute Specify max pump flow rate 6 gallons per minute Maximum tanker size 5020 gallons Storage required for 30 days usage per cooling tower 2451 gallons per 30 days Refill Size per Design Criteria 2.5 2500 gallons Size of storage tank considering tanker size (per tower) 5000 gallons Days usage with full tank 61.2 days 5.3 Cooling Tower Bromine Bromine will be added to the cooling tower basin to enhance the biocidal capabilities of the sodium hypcichlorite.

This will be injected in intermittently over a period of 30 minutes.

Stochiometic ratio of NaBr to NaOCI 0.3 Sodium Hypochlorite use per injection 81.70 gallons Bromine usage per cooling tower per day 24.51 gallons Total bromine usage per day for two cooling towers 49.02 gallons Duration of sodium hypochlorite injection 30 minutes Flow rate required for chemical feed 0.82 gallons per minute Specify pump flow rate 1.6 gallons per minute Maximum tanker size 4057 gallons Storage required for 30 days usage per cooling tower 735 gallons per 30 days Refill Size per Design Criteria 2.5 1000 gallons Size of storage tank considering for tanker size (per tower) 2000 gallons Days usage with full tank 81.6 days Copyright © 2015, Fluor Coiporation. AH Rights Reserved.

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Duke Energy Florida Project Calculation CCCOO-CA-M-YA.00.00-01 Citrus County Combined Cycle Project 27Apr2016 Contract ASVI Page 6 of 15 Revision B 5.4 Cooling Tower Dispersant Dispersant will be added to the cooling tower basin to dissipate any biological formation.

Per Reference 4.1, the recommended dispersant usage rate per cooling tower is 30 gallons per day.

This will be injected continuously during the day.

Dispersant usage per cooling tower per day 30 gallons Total dispersant usage per day for two cooling towers 60 gallons Duration of dispersant injection 24 hours Flow rate required for chemical feed 1.25 gallons per hour Specify pump flow rate 1.5 gallons per hour Maximum tanker size 5266 gallons Storage required for 30 days usage per cooling tower 900 gallons per 30 days Refill Size per Design Criteria 2.5 1250 gallons Size of storage tank considering tanker size (per tower) 3000 gallons Days usage with full tank 100.0 days 5.5 Cooling Tower Biopenetrant Biopenetrant will be added to the cooling tower basin to increase biocidal effictiveness.

Per Reference 4.1, the recommended biopenetrant usage rate per cooling tower is 5 gallons per day.

This will be injected in intermittently over a period of 30 minutes.

Biopenetrant usage per cooling tower per day 5 gallons Total biopenetrant usage per day for two cooling towers 10 gallons Duration of biopenetrant injection 0.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> Flow rate required for chemical feed 10 gallons per hour Specify pump flow rate 12 gallons per hour Maximum tanker size 5893 gallons Storage required for 30 days usage per cooling tower 150 gallons per 30 days Refill Size per Design Criteria 2.5 500 gallons Size of storage tank considering tanker size (per tower) 1000 gallons Days usage with full tank 200.0 days Copyright© 2015, Fluor Corporation. All Rights Reseived.

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Duke Energy Florida Project Calculation CCCOO-CA-M-YA.00.00-01 Citrus County Combined Cycle Project 27Apr2016 Contract A5VI Page 7 of15 Revision B Makeup Chemical Addition Calculations

. 5.6 Makeup Sodium Hypochlorite Sodium Hypochlorite will be added to the cooling tower makeup water to be used as an oxidizing biocide.

This will be injected in intermittently over a period of 30 minutes every other day.

Cooling water volumetric flow rate 28,012 gallons per minute Chlorine feed 5 parts per million Bleach concentration 10%.

Bleach Specific Gravity 1.175 Bleach weight per dose 11.68 pounds per minute Bleach volume per dose 1.19 gallons per minute Sodium Hypochlorite usage per injection 35.76 gaUons Duration of sodium hypochlorite injection 30 minutes Flow rate required for chemical feed 1.19 gallons per minute Specify pump flow rate .1.5 gallons per minute Maximum tanker size 5020 gallons Storage required for 30 days usage 536 gallons per 30 days Refill Size per Design Criteria 2.5 2500 gallons Size of storage tank considering tanker size and deliveries 5000 gallons Days usage with full tank 279.6 days 5.7 Makeup Bromine Bromine will be added to the cooling tower makeup water to increase biocide effectiveness.

This will be injected in intermittently over a period of 30 minutes every other day during hypochlorite injection.

Stochiometfc ratio of NaBr to NaOCI 0.3 Sodium Hypochlorite use per injection 35. 76 gallons Bromine usage per cooling tower per injection 10. 73 gallons Duration of bromine injection 30 minutes i

Flow rate required for chemical feed 0.36 gallons per minute Specify pump flow rate 0.5 gallons per minute Maximum tanker size 4057 gallons Storage required for 30 days usage 161 gallons per 30 days Refill Size pe.r Design Criteria 2.5 1000 gallons Size of storage tank considering tanker size and deliveries 2000 gallons Days usage with full tank 372.9 days.*

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Duke Energy Florida Project Calculation CCCOO-CA-M-YA.00.00-01 Citrus County Combined Cycle Project 27Apr2016 Contract A5VI Page 8 of 15 Revision B 5.8 Discharge Dechlorination Sodium Bisulfite will be added to the discharge canal to remove any chlorine residuals from water treatment Per Assumption 3.3, the chlorine residual is 1 ppm.

A factor of safety of 5 will be added to this residual to ensure that dechlorination meets all code requirements Per Design Criteria, 2.3 the minimum required declorination per chlorine residual is 3.6 ppm per 1 ppm chlorine' The sodium bisulfite will be added during chlorination Per Reference 4.2, the Case 14 blowdown and dilution flowrates are as follows Slowdown 21547 gallons per minute Dilution 43093 gallons per minute Discharge Total 64640 gallons per minute Maximum Required Dechlorination Flow Rate 64,640 gallons per minute Chlorine Residual 1 part per million Factor of Safety for chlorine residual 5 Bleach Specific Gravity 1.175 Bleach Residual Mass Flow Rate 2.70 pounds per minute Bleach Residual Volumetric Flow Rate 0.28 gallons per minute Sodium Bisulfite per Chlorine Residual 3.6 pounds NaHS0 3 per pound Cl 2 Sodium Bisulfite Required 9.70 pounds per minute Sodium Bisulfite Specific Gravity 1.37 Sodium Bisulfite Feed Rate 0.85 gallons per minute Time of Dechlorination Dose 30 minutes Number of Dechlorinations per day 2 Dechlorinations per Day Maximum Bisulfite Feed Daily 51.0 Gallons Maximum flow rate required for chemical feed 0.85 gallons per minute Specify pump flow rate 1 gallons per minute Minimum flow rate required for chemical feed 0.28 gallons per minute Minimum flowrate@ 10:1 turndown 0.1 gallons per minute Maximum tanker size 4342 gallons Storage required for 30 days usage 1529 gallons per 30 days Refill Size per Design Criteria 2.5 2000 gallons Size of storage tank considering tanker size and deliveries 4000 gallons Days usage with full tank 78.5 days Copyright© 2015, Fluor Corporation. All Rights Reserved.

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Duke Energy Florida Project Calculation CCCOO-CA-M-YA.00.00-01 Citrus County Combined Cycle Project 27Apr20I6 Contract ASVI Page 9 of 15 Revision B Condensate and HRSG Chemcial Addition Calculations 5.9 Condensate Ammonia Addition Condensate Flow Rate per Ref 4.5 Case 14 1,848,500 lb/hr PPM Ammonia Required for Desired pH (Attachment 4) 2.2 # ammonia per million# h20 10"-6 factor 0.000001 Ammonia Concentration 0.19 Specific Gravity 0.9 Density 7.506 lb/gal Flow Rate Required 2.85 gph Select pump flow rate 3 gallons per hour Gallons per Day Required per Unit 68.44 gpd Gallons per Day Required Plant 136.87 gpd Gallons per Month Condensate Addition Whole Plant 4106 gallons per month Size of tank considering tanker size and design criteria 2.6 2000 gallons Days usage with full tank 14.6 days 5.10 HRSG Phosphate Chemical Addition HP Phosphate HP Blowdown Flow Rate per Ref 4.5 Case 71 8,462 lb/hr HP Drum Pressure 2407.9 psia Select Max Phosphate Required (Attachment 3) 2 # phosphate per million# h20 10"-6 factor 0.000001 Phosphate Concentration (Assumption 3.6) 0.05 Phosphate will be multiplied by 4 since the phosphate:sodium ratio in trisodium phosphate is 1:3 Trisodium Phosphate Factor 4 Density 9 lb/gal Flow Rate Required per HRSG 0.150 gph Flow Rate Required per Block 0.301 gph Select HP metering pump flow rate 0.35 gallons per hour Copyright© 2015, Fluor Corporation. All Rights Reserved.

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Duke Energy Florida Project Calculation CCCOO-CA-M-YA.00.00-01 Citrus County Combined Cycle Project 27Apr2016 Contract ASVI Page 10 of 15 Revision B IP Phosphate IP Blowdown Flow Rate per Ref 4.5 Case 71 1,120 lb/hr IP Drum Pressure 598.6 psia Select Max Phosphate Required (Attachment 3) 4 # phosphate per million# h20 10"-6 factor 0.000001 Phosphate Concentration (Assumption 3.6) 0.05 Phosphate will be multiplied by 4 since the phosphate:sodium ratio in trisodium phosphate is 1:3 Trisodium Phosphate Factor 4 Density 9 lb/gal Flow Rate Required per HRSG 0.0398 gph Flow Rate Required per Block 0.0796 gph Select IP metering pump flow rate 0.1 gallons per hour Gallons per Day Required per HRSG 4.57 gpd Gallons per Day Required per Block 9.13 gpd Size of Storage Tank (per block) 800 gallons Days Usage with full tank 87.6 days

6.0 CONCLUSION

6.1. The following table gives pump flow rates as well as tank sizes for the chemical addition system.

Summary Chemical Service Pump Flow Rate Tank Size Days Storage with Tank Sodium Hypochlorite Cooling Tower 6 gpm 5000 gallons 61.2 Days Sodium Bromide Cooling Tower 1.6 gpm 2000 gallons 81.6 Days Biopenetrant Cooling Tower 12 gph 1000 gallons 200.0 Days Dispersant Cooling Tower 1.5 gph 3000 gallons 100.0 Days Sodium Hypochlorite Makeup 1.5 gpm 5000 gallons 279.6 Days Sodium Bromide Makeup 0.5 gpm 2000 gallons 372.9 Days Dechlorination Discharge 1 gpm 4000 gallons 78.5 Days Ammonia Condensate 3 gph 2000 Gallons 14.6 Days HP Phosphate HP Drum 0.35 gph 800 Gallons 87.6 Days IP Phosphate IP Drum 0.1 gph Shared with HP 87.6 Days Copyright© 2015, Fluor Corporation. All Rights Reserved.

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Duke Energy Florida Project Calculation CCCOO-CA-M-YA.00.00-01 Citrus County Combined Cycle Project 27Apr2016 Contract A5VI Attachment 1 - Page 11 of 15 Revision B CHEMICAL ADDITION SYSTEM SIZING CALCULATIONS - Attachment 1 NALCO ef_~DUKE An Ecolab Company Water Treatment Proposal ~ ENERGY"'

Citrus County Combined Cycle Station Plant of: Duke Energy Citrus County Combined Cycle Station Date: 07/02/15 Address: Power Line Street Plant : Citms Comity City: Crystal River State: Florida Zip: _3_4_4_28_ _ _ _ _ Count1y: USA Attention: _J;...e_n_-_Ri_*c_h_a_rd_s_o_n_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __

Copy lo: _F_lt_1o_r_C_'c_m_1.._p_m~w'------------------------------

Nalco Copy to: Brandt Anton, Chris Bain

~------------------------------

The following water treatment proposal is provided for the cooling water systems at Duke Energy's Citms County combined cycle station. Attaclunent Cooling Towers:

We recommend the following treatment chemicals for each cooling tower system. The calculated usage rates are for one cooling tower system. The recommended bulk tank sizing is based upon one tank fann that can supply chemicals to both cooling tower systems.

l. Chlorine Dioxide Biocide Treatment Nalco reconm1ends installing one chlorine dioxide generator for each cooling tower. If the cooling towers are located within a close proximity of each other, one chlorine dioxide generator can be utilized for both cooling towers. Sulfuric acid and Purate chemicals will be utilized by the generator to create the chlorine dioxide biocide treatment. One, 6,000 gallon sulfuric acid tank will be required. The approximate usage rate for the 93% sulfmic acid is 8 gallons per day. Nalco will supply the one 6,000 gallon tank for the Purate chemical. The approximate usage rate of Purate chemical is 12 gallons per day.

2. Bleach/Bromine Biocide Treatment (In place of Chlorine Dioxide)

If the bleach and bromine system is utilized in place of the chlorine dioxide system, the estimated bleach usage rate is 150 gallons per day and the estimated bromine usage rate is 15 gallons per day. Tank size recommendation: 7,000 gallon bleach tank, 3,000 gal bromine tank.

3. Dechlorination Nalco product 7408. This product will neutralize any chlorine residual that will be discharged from each cooling tmver. This should be feed at 3.6ppm per lppm of free chlorine residual. At a 4ppm dosage rate for 90 minutes per day, the estimated usage rate is IO gallons per day. Tank size recommendation: 2,500 gallons.

4. Dispersant Nalco product 3DT12I. Nalco's recommendation is to feed this product on a continuous basis at 2ppm. This product can be fed directly from the measurement on the 3D Trasar unit. The north plant is hialing this product at 3ppm during the biocide addition, per the change in their NPDES pennit. At a dosage rate of 2ppm, continuous feed, the estimated usage rate is 30 gallons per day. Tank size recommendation: 7,000 gallons.

5. Biopenetrant Nalco 73551. This product will he fed dtiring the biocide injection to help loosen any biofilms that may have accumulated on the fill or other surfaces. The estimated usage rate is 5 gallons per day. Tank size recommendation: 275 gallµn tote.

Si ned: Ellie Palomo 813 767-0334 Tille: Senior Account Mana er District: WH-104 Nalco Com an 1601 Diehl Road Na ervllle Illinois 60563-1198

Dear Customer* If you ate not 100% satisfied with Nalco. please call our Complaint Hotline:

CCCOO-CA-M-YA.00.00-0 l_RB.xlsx Mechanical Engineering

Duke Energy Florida Project Calculation CCCOO-CA-M-YA.00.00-01 Citrus County Combined Cycle Project 27Apr2016 Contract ASVI Attachment 1 - Page 12 of 15 Revision B CHEMICAL ADDITION SYSTEM SIZING CALCULATIONS - Attachment 1 NALCO (-,DUKE An Ecolab Company Water Treatment Proposal ~ ENERGY" Citrus County Combined Cycle Station Plant of: _D_u_k_e_E_1_1e_r.,..g.:...y_C_i_a_*u_s_C_ot_m_t.,,.y_C_o_m_b_ir_1e_d_C.,,.y_c_le_S_ta_t1_*o_n____ Date: _07_/_0_2_/_l5_ _ __

Address: _P_ov._*e_r_L_i_ne_S_t1_*e_e_t_________________ Plant : _C_it_ru_s_C_,o_u_n~ty,___

City: Crystal River State: Florida Zip: _3_4_4_2_8_ _ _ _ _ Country: USA Attention: Jeff Richardson Copy to: -------------------------------------

_F_lt_1o_r_C_o_1_n~p_a_n~y_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __

Nalco Copy to: _B_r_a_nd_t_A_n_to_n~,_C_h_r_is_B_a_in__________________________

Make Up Water Linc to the Cooling Towers:

Nalco recommends bleach and bromine biocide treatment for the 14,500ft long intake make up water line to the cooling towers. One bulk tank of bleach and one bulk tank of bromine, along with a chemical skid, will be required for this application. At a feed rate of 30 minutes per day, every other day. the estimated usage rate of bleach is 150 gallons per application. The estimated usage rate of bromine is 15 gallons per application. Tank size recommendation: 7,000 gallon bleach tank, 3,000 gallon bromine tank. The annual chemical cost is approximately$ 65,618.

3D Trasar We recommend the installation of one 3D Trasar controller on each cooling tower system. The units require 115VAC 20 amp power, a %" pressurized inlet, and a %" and W' outlet (to iower pressure to allow flow through unit). The 3D Trasar device directly measures the Nalco 30 Trasar product residuals, pH, conductivity, ORP, turbidity, and 2 different inline corrosion measurements. The 30 Trasar can directly control the chemical feed pumps for the 30T products or the signals can be sent via 8 different 4-20 mA outputs lo the control room so that the DCS can control the pumps.

Auxiliarv Cooling Water Svstems:

Nitrite chemical is recommended for the scale and corrosion control for these systems. One 300 gallon tank should be installed for each auxiliary cooling water system. One chemical feeder (pol feeder) should also be installed for the periodic addition of biocide chemicals. One PVC con-osion coupon rack should be installed for the measurement of corrosion and surface microbiological activity.

Signed: Ellie Palomo 813 767-0334

Title:

Senior Account Mana er District: WH-104 Nalco Com an 1601 Diehl Road Na erville Illinois 60563-1198 Dea'.. Customer - If you are not "l00% satisfied with Nalco. please call our Complaint Hotline: (Phone) 1-800*732-5572; (Fax) 1-800-732*5573; (e-mail)

CCCOO-CA-M-YA.00.00-0 l _ RB.xlsx Mechanical Engineering

Duke Energy Florida Project Calculation CCCOO-CA-M-YA.00.00-01 Citrus County Combined Cycle Project 27Apr2016 Contract A5VI Attachment 2 - Page 13 of 15 RevisionB CHEMICAL ADDITION SYSTEM SIZING CALCULATIONS - Attachment 2 From: Palomo, Ellie [1]

Sent: Monday, July 06, 2015 7:50 AM To: Richardson, Jeff Cc: Anton, Brandt

Subject:

FW: Nalco Product Weights 0

Exercise caution. This is an EXTERNAL email. DO NOT open attachments or click links from unknown senders or unexpected email.***

Jeff, FYI, the current bulk deliveries at the Crystal River station range from 45,000 to 49,500 pounds; the average is around 48,000 pounds per truck load. For the bromine and sodium bisulfite, we have those delivered on the same truck so that we are able to fill up the truck and manage those smaller bulk tanks, 2,500 gallons and 3,000 gallons, respectively. Those bulk tanks are a little too small because It gives us a small delivery window especially when the daily usage rates can change. Give me a call if you have any questions.

Thanks.

Sincerely, Ellie Palomo Senior Account Manager Nalco Company Cell: 813-767-0334 From: Palomo, Ellie Sent: Sunday, July OS, 2015 8:01 PM To: Richardson, Jeff (Jeff.Richardson2@duke-energy.com)

Cc: Anton, Brandt

Subject:

Nalco Product Weights Jeff, In response to your voicemail from Thursday afternoon, here are the pounds/gallon weights for the proposed products at Citrus County:

Product Pounds/Gallon Bleach 12.5% 9.86 Bromine 12.2 Sodium Bisulfite 11.4 3DT121 9.4 73551 8.4 Purate 11.S Sulfuric Acid 93% 15.3 Please contact me if you need anything else.

Thanks.

CCCOO-CA-M-YA.00.00-0l_RB.xlsx Mechanical Engineering

Duke Energy Florida Project Calculation CCCOO-CA-M-YA.00.00-01 Citrus County Combined Cycle Project 27Apr2016 Contract A5VI Attachment 3 - Page 14 of 15 Revision B CHEMICAL ADDITION SYSTEM SIZING CALCULATIONS - Attachment 3 Cycles witlz Dmm HRSGs on Piwsp!w.Ie Cootinuum (PC(l,) and PC(H))

Drum Pressur-e {MPa) 4.8 6.2 7.6 9.0 10.3 11.7 13.1 14.5 15.8 17.2 18.6 19.6 10 9

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Duke Energy Florida Project Calculation CCCOO-CA-M-YA.00.00-01 Citrus County Combined Cycle Project 27Apr2016 Contract A5VI Attachment 4 - Page 15 of 15 Revision B CHEMICAL ADDITION SYSTEM SIZING CALCULATIONS - Attachment 4 This table summarizes ammonia required to attain a certain pH Target pH for this application is 9.6, or 2.2 mg/I of NH 3 r** - --*---- -* - - -- - -- --- -- ---- .... ----- - --**---- *- ------ --- --- - **-- - ---- - - .. - - - -------------* ...

i NH3 Undissociated I

I equivalent, Undissociated NH3 equivalent, NH3 Total_,

ipH pOH [OH]=fNH4l mall NH31 mq/1 lmg/1 ;

i 8.0 6.0 1.000E-06 0.017 5.637E-08 9.583E-04 0.018

8.1 5.9 1.259E-06 0.021 8.934E-08 1.519E-03 0.023

8.2 5.8 1.585E-06 0.027 1.416E-07 2.407E-03 0.029 8.3 5.7 1.995E-06 0.034 2.244E-07 3.815E-03 0.038 l 8.4 5.6 2.512E-06 0.043 3.557E-07 6.046E-03 0.049 8.5 5.5 3.162E-06 0.054 5.637E-07 9.583E-03 0.063*

i 8.6 5.4 3.981E-06 0.068 8.934E-07 1.519E-02 0.083' 8.7 5.3 5.012E-06 0.085 1.416E-06 2.407E-02 0.109:

i 8.8 5.2 6.310E-06 0.107 2.244E-06 3.815E-02 0.145' i 8.9 5.1 7.943E-06 0.135 3.557E-06 6.046E-02 0.195:

i 9.0 5.0 1.000E-05 0.170 5.637E-06 9.583E-02 0.266.

9.1 4.9 1.259E-05 0.214 8.934E-06 1.519E-01 0.366; 9.2 4.8 1.585E-05 0.269 1.416E-05 2.407E-01 0.510' 9.3 4.7 1.995E-05 0.339 2.244E-05 3.815E-01 0.721*

9.4 4.6 2.512E-05 0.427 3.557E-05 6.046E-01 1.032;

! 9.5 4.5 3.162E-05 0.538 5.637E-05 9.583E-01 1.496, 9.6 4.4 3.981E-05 0.677 8.934E-05 1.519E+OO 2.196:

' 9.7 4.3 5.012E-05 0.852 1.416E-04 2.407E+OO 3.259'

' 9.8 4.2 6.310E-05 1.073 2.244E-04 3.815E+OO 4.888 9.9 4.1 7.943E-05 1.350 3.557E-04 6.046E+OO 7.397 I 10.0 4.0 1.000E-04 1.700 5.637E-04 9.583E+OO 11.283

10.1 3.9 1.259E-04 2.140 8.934E-04 1.519E+01 17.328,

10.2 3.8 1.585E-04 2.694 1.416E-03 2.407E+01 26.765!

10.3 3.7 1.995E-04 3.392 2.244E-03 3.815E+01 41.542; i 10.4 3.6 2.512E-04 4.270 3.557E-03 6.046E+01 64_734:

l 10.5 3.5 3.162E-04 5.376 5.637E-03 9.583E+01 101.205

! 10.6 3.4 3.981E-04 6.768 8.934E-03 1.519E+02 158.646

10.7 3.3 5.012E-04 8.520 1.416E-02 2.407E+02 249.231'.

10.8 3.2 6.310E-04 10.726 2.244E-02 3.815E+02 392.227:

i 10.9 3.1 7.943E-04 13.504 3.557E-02 6.046E+02 618.141:

I 11.0 3.0 1.000E-03 17.000 5.637E-02 9.583E+02 975.286:

11.1. --*-- ----*---- 1.259E-03 -- -----~---

2.9 *-- --------- 8.934E-02 ---*----*-------*----

21.402 *s-**** *- ------*----- 1.519E+03 - - 1540.183:

CCCOO-CA-M-YA.00.00-0 l _RB.xlsx Mechanical Engineering

3F1018-01, Fluor Corporation - Chemical Addition System Sizing Calculations

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3F1018-01, Fluor Corporation - Chemical Addition System Sizing Calculations

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4.0 REFERENCES

6.0 CONCLUSION

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