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Modeling and optimization of rotary kiln treating EAF dustPierre Vix摘 要:<正>Electric arc furnace (EAF) dust from steel industries is listed... of EAF dust per year in the U.S. and Canada is an expensive and unresolved problem for the majority of steel companies. The Waelz process has been considered as the best process for treating the EAF dust......
Indium recovery from zinc oxide flue dust by oxidative pressure leaching LI Xuan-hai(黎铉海)1, ZHANG Yan-juan(张燕娟)1, QIN Quan-lun(覃全伦)1, YANG Jian(阳 健)1, WEI Yan-song(韦岩松)2 1. School... 2009 ____________________________________________________________________________________________ Abstract: Indium was recovered from zinc oxide flue dust (ZOFD) with sulfuric acid by oxidative......
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Reduction of chromium oxides in stainless steel dustYan-ling Zhang,Wen-ming Guo,Xin-lei JiaState Key Laboratory of Advanced Metallurgy,University of Science and Technology Beijing摘 要:The recovery of metal oxides from stainless steel dust using C(graphite), SiFe, and Al as reductants was investigated under various conditions. The apparent distribution......
Mineralization and Cementation of Fugitive Dust based on the Utilization of Carbon Dioxide and Its Characterization詹其伟1,2,钱春香1,21. School of Materials Science and Engineering,Southeast University2. Research Institute of Green Construction Materials,Southeast University摘 要:Fugitive dust was cemented, forming larger particles bond in the calcite......
;通过沟状组织,气孔等结构滞尘的叶片,滞尘能力受外界环境影响较小,且波动较小,而通过叶表面和纤毛滞尘的叶片,滞尘能力受外界环境影响较大,且波动较大;叶表沟状组织可以增加叶表粗糙度而增强滞尘能力,沟壑通过粉尘颗粒粒径筛选并滞着粉尘,沟壑较窄的叶片适合滞着粒径较小的粉尘颗粒.关键词:绿化植物;微观测定;滞尘能力;叶表结构;粉尘粒径Measurement on ability of dust...)Abstract:The ability of dust removal of seven green plants was determined and the number of dust particles with different sizes on the leaf table was calculated using microscopic image analysis system......
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Basic properties of steel plant dust and technological properties of direct reductionXue-feng She1), Jing-song Wang1), Qing-guo Xue1), Yin-gui Ding1), Sheng-sheng Zhang2), Jie-ji Dong2), and Hui...="ChDivSummary" name="ChDivSummary">Basic physicochemical properties of the dust from Laiwu Iron and Steel Co. Ltd. were studied. It is found that C, Zn, K, Na, etc. exist in the fabric filter dust......