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01 rencOr Design <br /> Equations and Parameters Frequently Used In This Design Criteria <br /> For recommendations regarding minimum hydraulic retention times, primary tankage,and configurations,see Table A,page 22. <br /> Determining mass load in AdvanTex®systems <br /> (For complete information on how to use these equations,see page 23.) <br /> Mass Load(lbs/day) Mass Load(kg/day) <br /> Concentration (mg/L) x (8.34 x 10-6) x Flow(gpd) Concentration (mg/L) x (0.001) x Flow(m3/day) <br /> Determining standard AdvanTex®stage sizing <br /> (For complete information on how to use these equations,see pages 15-16.) <br /> Design Avg(US Units) Design Max.(US Units) Design Avg(SI Units) Design Max.(SI Units) <br /> Based on Organic Loading Rate(OLR) 0.04 lbs BOD5/ft2•d 0.08 lbs BODS/ft2•d 0.2 kg BOD5/m2•d 0.4 kg BODS/m29d <br /> Based on Hydraulic Loading Rate(HLR) 25 gpd/ft2 50 gpd/ft2 1 m3/m2•d 2 m3/m29d <br /> Based on Total Nitrogen Loading Rate(TNLR) 0.014 lbs TN/ft2•d 0.028 lbs TN/ft2•d 0.07 kg TN/m2•d 0.14 kg TN/m2•d <br /> Based on Ammonia Loading Rate(ALR) 0.01 lbs NH3-N/ft2•d 0.02 lbs NH3-N/ft2•d 0.05 kg NH3-N/m2•d 0.1 kg NH3-N/m2•d <br /> Determining second stage AdvanTex sizing in two-stage systems <br /> (For complete information on how to use these equations,see pages 16-17.) <br /> Design Avg(US Units) Design Max.(US Units) Design Avg(SI Units) Design Max.(SI Units) <br /> Based on Organic Loading Rate(OLR) 0.02 lbs BOD5/ft2•d 0.04 lbs BOD5/ft2•d 0.1 kg BOD5/m2•d 0.2 kg BOD5/m2•d <br /> Based on Hydraulic Loading Rate(HLR) 75 gpd/ft2 125 gpd/ft2 3 m3/m2•d 5 m3/m29d <br /> Based on Total Nitrogen Loading Rate(TNLR) 0.007 lbs TN/ft2•d 0.014 lbs TN/ft2•d 0.035 kg TN/m29d 0.07 kg TN/m2•d <br /> Based on Ammonia Loading Rate(ALR) 0.005 lbs NH3-N/ft2•d 0.01 lbs NH3-N/ft2•d 0.025 kg NH3-N/m2•d 0.05 kg NH3-N/m2•d <br /> Determining anticipated treatment performance from standard AdvanTex systems <br /> (For complete information on how to use these equations,see pages 25-25.) <br /> Based on BODS B01)5e=B01)5i x (1 —CRR) <br /> where: B01)5e= BODS effluent from standard AdvanTex stage <br /> B01)5i=BODS primary treated effluent value <br /> CRR=0.90 coefficient <br /> Based on TKN or NH3-N TKNe=TKNi x (1 —CNR) <br /> where: TKNe=TKN effluent from standard AdvanTex stage <br /> TKNi=TKN primary treated effluent value <br /> CNR=0.95 coefficient <br /> Based on NO3 NO3e= (TKNi -TKNe) x (1 —CDNR) <br /> where: NO3e=NO3 effluent from standard AdvanTex stage <br /> TKNi=TKN primary treated effluent value <br /> TKNe=TKN effluent <br /> CDNR=0.70 coefficient <br /> Based on TN TNe=TKNe+ NO3e <br /> where: TNe=TN effluent from standard AdvanTex stage <br /> TKNe=TKN effluent from standard AdvanTex stage <br /> NO3e=NO3 effluent from standard AdvanTex stage <br /> Determining anticipated treatment performance for total nitrogen from post-anoxic AdvanTex treatment stages <br /> (For complete information on how to use these equations,see page 26.) <br /> TNPAe=TKNe+NO3e x (1 —CDNR) <br /> where: TNPAe=TN effluent from post-anoxic stage <br /> TKNe=TKN effluent from standard Advantex stage <br /> NO3e=NO3 effluent from standard AdvanTex stage <br /> CDNR=0.70 coefficient <br /> NDA-ATX-1 Orenco Systems®•800-348-9843•+1 541-459-4449•www.orenco.com <br /> Rev.8,©10/20 <br /> Page 2 of 38 <br />