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Industrial solid waste is used to study the flue gas desulfurizer

Author: XuYingDong
Tutor: MaZhiYuan
School: Chang'an University
Course: Environmental Engineering
Keywords: Solid Waste Slag Fly Desulfurizer
CLC: X701.3
Type: Master's thesis
Year: 2005
Downloads: 179
Quote: 2
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Abstract


Solid wastes have been more and more research attention at home and abroad , and is currently a large number of generated slag fly ash has air, water , land and other causes pollution , paper for the two components of industrial solid waste characteristics , in research and study on the basis of simulation , demonstration of a new blast furnace slag desulfurization agent as the feasibility and adding fly ash of such additives can effectively improve the desulfurization rate . Experiment using a commercial software for engineering problems for numerical applications - computer simulation technology , we use simulation software to simulate the high FLUENT6.1 for the desulfurization slag process , outlined its desulfurization reaction mechanism and temperature and time on the desulfurization process affected. Simulation results show that the slag used directly injected into the combustion furnace sorbent for flue gas desulfurization test, the average desulfurization rate was 32.0% , up only up to 48.8% : at high slag blended with a small amount of powder fly ash , the fly ash after mixing wrapped overlying slag surface of the particles , made ??of calcium mixed slag desulfurization agent, the average rate than pure slag desulfurization has greatly improved , up 94.6% . Tests showed high desulfurization rate and the mixing ratio of fly ash slag relevant , that there is a better match the amount of fly ash , slag, fly ash with this high ratio 10:1,5:1 desulphurization better. So when the desulfurization rate requirements are not too high , consider using blast furnace slag - fly ash mixed desulfurizer to replace some or all of limestone desulfurization, desulfurization agent can greatly reduce the cost . In this study, a high utilization of fly ash slag provides another way , while achieving by Waste for blast furnace slag as desulfurizer provides preliminary technical solution to the protection of our solid waste recycling and environment sustainable development is of great significance . Data show: not yet seen at home and abroad to adopt FLUENT6.1 simulation software simulation of blast furnace slag for the desulfurization pilot study reported that this preliminary study is high resource utilization of fly ash slag provides the basis for technical indicators.

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CLC: > Environmental science, safety science > Processing and comprehensive utilization of waste > General issues > Exhaust gas processing and utilization > Desulfurization and desulfurization
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