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Solleco Thermcat 500 <br /> DESIGN CALCULATIONS FOR THE 500 SCFM <br /> THERMAL / CATALYTIC OXIDIZER <br /> Total Mass Flow Rate <br /> (500 SCFM Well Gas + 125 SCFM Combustion Air) = 625 SCFM or <br /> 2563 lb./hr. <br /> Total. Heat Requirement <br /> Enthalpy of gas at 1400° = 470 BTU/lb. <br /> Enthalpy of gas at 700 = 128 BTU/lb <br /> BTU per lb Total = 342 BTU/lb. <br /> Total BTU = 979,000 BTU <br /> BTU Losses = 40,000 BTU <br /> Total Heat Required = 1,019,000 BTU <br /> Total Natural Gas or Propane <br /> Total gas required = 1,019,000 BTU <br /> BTU/ft3 = 900 BTU/ft3 <br /> Gas required = 1,132,000 BTUor 1,132 SCFH <br /> Total Gas Velocity <br /> (1,132 SCFH)(i 1 45)(1860) = 24,108,000 <br /> (3600)(520) = 1,872,000 or 13ft3/second <br /> Total Air Velocity 771 <br /> (37,500 SCFH 1860 = 69,750,000 <br /> (3600)(520) = 1,872,000 or 37ft I second <br /> E--Total Volume Rate 500 SCFM Oxidiser <br /> i <br />