燃煤电厂脱硫废水零排放处理技术研究进展
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摘要
燃煤电厂脱硫废水具有含盐量高、成分复杂等特点,处理难度极大,直接排放会对环境造成严重污染。对国内几种具有应用前景的脱硫废水零排放技术进行介绍,分析了不同技术的原理及优缺点。展望了燃煤电厂脱硫废水处理技术的发展趋势,指出利用旁路烟道及旁路喷雾干燥零排放处理技术的优势,在此基础上探索高效清洁、低成本的零排放处理技术将成为脱硫废水排放领域的研究重点。
The desulphurization wastewater from coal-fired power plants is characterized by high salinity,complex components,difficult to be treated,and its direct discharge can cause serious environmental pollution. Several kinds of zero-discharge technologies for desulphurization wastewater having application prospects are introduced, and the principles,advantages and disadvantages of different treatment technologies analyzed. The development trend of desulfurization wastewater treatment technology in coal-fired power plants is predicted and the advantages of using bypass flue and bypass spray drying zero-discharge treatment technologies are pointed out. On this basis,the exploration of efficient,clean,and low-cost zero-discharge treatment technologies will be the research emphasis in the desulfurization wastewater discharge field.
The desulphurization wastewater from coal-fired power plants is characterized by high salinity,complex components,difficult to be treated,and its direct discharge can cause serious environmental pollution. Several kinds of zero-discharge technologies for desulphurization wastewater having application prospects are introduced, and the principles,advantages and disadvantages of different treatment technologies analyzed. The development trend of desulfurization wastewater treatment technology in coal-fired power plants is predicted and the advantages of using bypass flue and bypass spray drying zero-discharge treatment technologies are pointed out. On this basis,the exploration of efficient,clean,and low-cost zero-discharge treatment technologies will be the research emphasis in the desulfurization wastewater discharge field.
引文
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[6]张利权,汪岚,胡治平.火电厂1GW机组废水零排放方案研究[J].水处理技术,2015,41(3):122-124.
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[15]马双忱,于伟静,贾绍广,等.燃煤电厂脱硫废水处理技术研究与应用进展[J].化工进展,2016,35(1):255-262.
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[19]张净瑞,梁海山,郑煜铭,等.基于旁路烟道蒸发的脱硫废水零排放技术在火电厂的应用[J].环境工程,2017,35(10):5-9.
[20]王可辉,蒋芬,徐志清,等.火电厂脱硫废水高温雾化蒸发实验研究[J].环境工程,2015,33(增刊):60-62.
[21]贾绍广,于伟静,张润盘,等.蒸发塔技术用于脱硫废水的处理[J].环境工程学报,2017,11(4):2241-2246.
[22]袁伟中,刘春红,童小忠,等.燃煤锅炉采用烟气旁路干燥技术实现脱硫废水零排放[J].电力科技与环保,2017,33(3):18-21.
[2]高原,陈智胜.新型脱硫废水零排放处理方案[J].华电技术,2008,30(4):73-75.
[3]Shaw W A.Fundamentals of zero liquid discharge system design[J].Power,2011,155(10):56.
[4]李泊娇,王旭东,张占梅,等.石灰石-石膏湿法脱硫废水的处理及利用研究[J].电力科技与环保,2014,30(2):29-31.
[5]王冬梅,夏春雷,崔伟强,等.脱硫废水处理系统设计问题和运行难点对策分析[J].水处理技术,2015,41(12):126-128.
[6]张利权,汪岚,胡治平.火电厂1GW机组废水零排放方案研究[J].水处理技术,2015,41(3):122-124.
[7]郎绍菊.正渗透技术在水处理中的应用[J].石油石化绿色低碳,2016,1(5):49-54.
[8]Achilli A,Cath T Y,Childress A E.Selection of inorganic-based draw solutions for forward osmosis applications[J].Journal of Membrane Science,2010,364(1/2):233-241.
[9]Shanmuganathan S,Johir M A H,Listowski A,et al.Sustainable processes for treatment of waste water reverse osmosis concentrate to achieve zero waste discharge:a detailed study in water reclamation plant[J].Procedia Environmental Sciences,2016,35:930-937.
[10]Becheleni E M A,Borba R P,Seckler M M,et al.Water recovery from saline streams produced by electrodialysis[J].Environmental Technology,2015,36(3):386-394.
[11]吴庸烈.膜蒸馏技术及其应用进展[J].膜科学与技术,2003,23(4):67-79.
[12]苏颖,马芳,肖子博.电厂废水处理及回用技术的研究进展[J].资源节约与环保,2016(5):26.
[13]张广文,孙墨杰,张蒲璇,等.燃煤火力电厂脱硫废水零排放可行性研究[J].东北电力大学学报,2014,34(5):87-91.
[14]张净瑞,刘其彬,李飞,等.燃煤电厂脱硫废水烟气余热蒸发零排放工程的设计与应用[J].电力科技与环保,2016,32(3):16-20.
[15]马双忱,于伟静,贾绍广,等.燃煤电厂脱硫废水处理技术研究与应用进展[J].化工进展,2016,35(1):255-262.
[16]康梅强.脱硫废水烟道蒸发处理工艺系统设计与试验研究[D].重庆:重庆大学,2013.
[17]张志荣.火电厂湿法烟气脱硫废水喷雾蒸发处理方法关键问题研究[D].重庆:重庆大学,2011.
[18]董玉泉,王玉富,刘元根.一种燃煤锅炉旁路烟道废水蒸发装置及工艺:中国,105668672A[P].2016-06-15.
[19]张净瑞,梁海山,郑煜铭,等.基于旁路烟道蒸发的脱硫废水零排放技术在火电厂的应用[J].环境工程,2017,35(10):5-9.
[20]王可辉,蒋芬,徐志清,等.火电厂脱硫废水高温雾化蒸发实验研究[J].环境工程,2015,33(增刊):60-62.
[21]贾绍广,于伟静,张润盘,等.蒸发塔技术用于脱硫废水的处理[J].环境工程学报,2017,11(4):2241-2246.
[22]袁伟中,刘春红,童小忠,等.燃煤锅炉采用烟气旁路干燥技术实现脱硫废水零排放[J].电力科技与环保,2017,33(3):18-21.
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