Soda ash Material Balance
Soda ash Material Balance
Soda ash Material Balance
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<strong>Material</strong> <strong>Balance</strong>Production of 750 Tons/day (31250 kg/hr) of <strong>Soda</strong> <strong>ash</strong><strong>Material</strong> balance around Lime KilnCaCO 3 CaO+CO 280% conversionC+O 2 CO 290% conversionExcess air is not usedInputs:Calcium carbonate = 36851.4125 kg/hrCarbon = 2812.5 kg/hrOxygen = 7500 kg/hrNitrogen =24687.5 kg/hrTotal input=71851.4125 kg/hrOut puts:Carbon di oxideCalcium oxideNitrogen gasCarbon (unreacted)Calcium carbonate (unreacted)= 22252.9472 kg/hr= 16509.4328 kg/hr= 24687.5 kg/hr= 1031.25 kg/hr=7370.282 kg/hrTotal output=71851.412 kg/hr
<strong>Material</strong> balance around SlakerCaO + H 2 O Ca(OH) 2200% Excess water usedInputs:Calcium oxideWater= 16509.4328 kg/hr= 10613.2068 kg/hrTotal input= 27122.6396 kg/hrOut puts:Calcium hydroxideWater= 21816.0362 kg/hr= 5306.6034 kg/hrTotal out put= 27122.6396 kg/hr<strong>Material</strong> balance around ammonia absorberAssuming 99% absorption of input ammoniaInputs:Sodium chlorideWaterAmmoniaInerts= 45990.5625 kg/hr= 136693.1508 kg/hr= 18376.95 kg/hr= 18345.59 kg/hrTotal input= 219406.25 kg/hrOutputs:
Sodium chlorideWater= 45990.5625 kg/hr= 117429.7832 kg/hrInerts= 18345.59 kg/hrAmmonia(with inerts) = 183.7695 kg/hrAmmonium hydroxide = 37456.548 kg/hrTotal output= 219406.22 kg/hr<strong>Material</strong> balance around Carbonating TowerNaCl + NH4OH +CO2NH4Cl + NaHCO3Conversion 75%Inputs:Sodium chlorideCarbon di oxideAmmonium hydroxideWater= 45990.5628 kg/hr= 34591.1896 kg/hr= 37456.548 kg/h= 117429.7832 kg/hrTotal input= 235468.0836 kg/hrOutputs:Ammonium chlorideSodium bi carbonateSodium chloride (unreacted)Ammonia hydroxide (unreacted)= 31544.8091 kg/hr= 49528.3019 kg/hr= 11497.6397 kg/hr= 16819.754 kg/hr
Carbon di oxide (unreacted)WaterTotal output= 8647.7974 kg/hr= 117429.7832 kg/hr= 235468.0853 kg/hr<strong>Material</strong> balance around Ammonia distiller2NH4Cl + Ca (OH) 2NH4OH2NH3 + CaCl2 + 2H2ONH3 + H 2 OInputs:Calcium hydroxideAmmonium chlorideAmmonia hydroxideWaterSodium chloride (unreacted)= 21816.0362 kg/hr= 31544.8091 kg/hr= 16819.754 kg/hr= 122736.3866 kg/hr= 11497.6397 kg/hrTotal input= 204414.6251 kg/hrOutputs:AmmoniaCalcium chlorideWaterSodium chloride (unreacted)= 18193.179 kg/hr= 32724.0543 kg/hr= 141999.7521 kg/hr= 11497.6397 kg/hrTotal output= 204414.6251 kg/hr
<strong>Material</strong> balance around calciner2NaHCO3Na 2 CO 3 + CO2 + H 2 OComplete decompositionInputs:Sodium bi carbonate= 49528.3019 kg/hrOutputs:Sodium carbonateCarbon di oxideWater= 31250 kg/hr= 12971.6972 kg/hr= 5306.6034 kg/hrTotal output= 49528.3019 kg/hr
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