Emissions and thermal efficiency investigation of a pressurized submerged combustion evaporator

Xiaolong Gong, Zhongliang Liu and Han Jiang

International Journal of Low-Carbon Technologies, 2012, vol. 7, issue 4, 257-263

Abstract: This investigation analyzes the thermal efficiency and pollutant emissions of a pressurized submerged combustion evaporator (PSCE). Experimental results show that our novel PSCE design can reduce NO x emissions to 12 mg/kg with increased submergence depth and CO emissions to 5.56 mg/kg when using an excess air coefficient of <1. As the excess air coefficient increases from 0.872 to 1.582, NO x emissions increase from 9.18 to 20.16 mg/kg, while CO emissions drop to zero. Therefore, it is the excess air coefficient, rather than the submergence depth, that plays a key role in controlling pollutant emissions. Water evaporation using this apparatus has a gross thermal efficiency of 95.2%. Copyright , Oxford University Press.

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:oup:ijlctc:v:7:y:2012:i:4:p:257-263

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