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有色金属(冶炼部分):2013,(12):1-3
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低品位氧化锌烟气脱硫结垢试验研究
杨超,杨领
(四川清源环境工程有限公司,四川清源环境工程有限公司)
Experimental Study of Scale Formation in Flue Gas Desulfurization with Low Grade Zinc Oxide
Yang Chao and Yang Ling
(Sichuan Qingyuan Environmental Engineering CO.,LTD,)
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投稿时间:2013-05-16     修订日期:2013-05-16     录用日期:2013-05-20     网络发布日期:2013-11-20
中文摘要: 采用低品位氧化锌灰作为脱硫剂吸收模拟烟气中SO2。考察脱硫循环浆液的pH和氧化铅含量、矿浆浓度、不同吸收反应器对脱硫效果的影响,同时观察脱硫系统结垢情况。结果表明,在进口SO2浓度为3 000 mg/m3、pH 6、矿浆浓度15%、浆液中氧化铅含量5%、液气比L/G=3 L/m3、烟气量12 m3/h、脱硫吸收反应器采用空塔喷淋的条件下,脱硫效率能够达到90%以上,且运行过程中不会出现结垢现象。
中文关键词: 低品位氧化锌  烟气脱硫  结垢
Abstract:The simulated flue gas was desulfurized by absorption with low grade zinc oxide as desulfurizer. The effects of pH value and lead oxide concentration of desulfurization slurry, slurry concentration, and type of absorption reactor on desulfurization were investigated. The scale formation of desulfurization system was observed. The results show that the desulfurization efficiency is above 90% with no scale formation under the following optimum conditions including inlet SO2 concentration of 3000 mg/m3, pH value of 6, slurry concentration of 15%, lead content in slurry of 5%, ratio of liquid to gas of L/G=3 L/m3, flue gas volume of 12 m3/h, and with application of empty tower spraying to desulfurization reactor.
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基金项目:科技部科技型中小企业技术创新基金项目(12C26215105941)
引用文本:
杨超,杨领.低品位氧化锌烟气脱硫结垢试验研究[J].有色金属(冶炼部分),2013(12):1-3.
Yang Chao,Yang Ling.Experimental Study of Scale Formation in Flue Gas Desulfurization with Low Grade Zinc Oxide[J].Nonferrous Metals (Extractive Metallurgy),2013(12):1-3.

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