【摘 要】
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Based on an analysis of the chlorine elements in each component of the sintering mixture,industrial tests of the use of dioxin reduction techniques in the sintering process were found to reduce the chlorine sources and inhibit the formation of dioxins.The
【机 构】
：
Research Institute,Baoshan Iron&Steel Co.,Ltd.,Shanghai 201999,China
论文部分内容阅读
Based on an analysis of the chlorine elements in each component of the sintering mixture,industrial tests of the use of dioxin reduction techniques in the sintering process were found to reduce the chlorine sources and inhibit the formation of dioxins.The dioxin reduction effect obtained in the industrial experiment was better than that in the sintering pot experiment,but their patterns were consistent.When urea is used as an inhibitor,the dioxins can be significantly reduced.When a 0.02％ratio of urea was added,a maximum dioxin emission reduction of 79％was obtained.Reducing the chlorine sources also had an obvious dioxin reduction effect,enabling a 69.49％reduction.In addition,when these two technologies were applied simultaneously,a significant emission reduction rate of 92.23％ was achieved.The concentration of dioxins in flue gas dropped to 0.2421 ng TEQ/m3 before desulfurization,which meets the emission standard for dioxins in the final exhaust gas.
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