E3S Web Conf.
Volume 300, 20212021 2nd International Conference on Energy, Power and Environmental System Engineering (ICEPESE2021)
|Number of page(s)||5|
|Section||Environmental System Engineering|
|Published online||06 August 2021|
Study on SO3 emission test of typical ultra-low emission coal-fired units in western region of Inner Mongolia
Inner Mongolia Electric Power Science & Research Institute, 010020 Hohhot, China
* Corresponding author: email@example.com
To study the effect of types of boilers, pollutant treatment facilities and coal quality on SO3, emission concentration of SO3 was tested by controlled condensation method for seven typical ultra-low emissions coal-fired units in western region of Inner Mongolia. The test results showed that the SO3 emission concentration of all units ranged from 0.36 mg/m3 to 2.04 mg/m3, much lower than 5 mg/m3, so there was no need to add SO3 removal facilities. For the units burning the coal of same sulfur content, which adopt LLTESP and WESP has the lower SO3 emission concentration. The SO3 emission concentration can also be controlled at a lower value when SNCR and double-tower double-cycle WFGD technology are adopted in the unit burning medium-high sulfur coal.
Key words: Ultra-low emission / SO3 / Emission concentration / Controlled condensation method
© The Authors, published by EDP Sciences, 2021
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