JOURNAL ARTICLE
Experimental study on combustion desulfurization of sludge coal water slurry(污泥水煤浆的燃烧固硫试验研究)
HUQin-hai(胡勤海)ZHUJian-hang(朱建航)WANGDan(王丹)MENGYuan-yuan(孟媛媛)WULi-li(武丽丽)LUOYan-zhang(罗彦章)
Year: 2010 Journal: DOAJ (DOAJ: Directory of Open Access Journals)
Abstract
在管式固定床上进行了污泥水煤浆的燃烧试验,着重研究了燃烧温度、Ca/S摩尔比和固硫剂种类等因素对污泥水煤浆燃烧固硫的影响.结果表明：随着燃烧温度的上升,污泥水煤浆的固硫率先升高后降低,在850 ℃时污泥水煤浆的固硫率明显高于其他燃烧温度条件下的固硫率.随着Ca/S摩尔比的增加,污泥水煤浆的固硫率呈明显的上升趋势,但是Ca/S摩尔比从1.5增加到2.0时,其固硫率上升趋于平缓.综合考虑经济性因素,污泥水煤浆燃烧固硫的优化钙硫摩尔比应为1.5.污泥水煤浆燃烧时SO2析出规律与Ca(OH)2的分解规律相对比较一致,因此, Ca(OH)2的固硫效果优于CaCO3.试验为污泥水煤浆的工业化应用提供了理论基础.
Keywords:
Flue-gas desulfurization Coal Combustion Sewage sludge Sewage sludge treatment
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Topics
Industrial Gas Emission Control
Physical Sciences → Engineering → Mechanical Engineering
Coal Combustion and Slurry Processing
Physical Sciences → Engineering → Mechanical Engineering
Chemical Looping and Thermochemical Processes
Physical Sciences → Engineering → Biomedical Engineering