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《Environmental Protection of Chemical Industry》 2006-02
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Treatment of Basic Fuchsin Wastewater by Steel Slag Adsorption-Microwave Radiation Process

Xie Fuqing~(1,2),He Xingcun~1(1.Department of Resources and Environmental Science,Guangxi Normal University,Guangxi Guilin 541004,China;2.Department of Biology and Chemistry,Guangxi Wuzhou Teacher's College,Guangxi Hezhou 542800,China)  
The adsorption performance of steel slag to basic fuchsin dye and the affecting factors were studied,and the microwave degradation of dye adsorbed on steel slag-coke was investigated.The experimental results indicate that under neutral condition,steel slag has a good adsorption performance to basic fuchsin with 42.4mg/g of absorbing capacity.When the mass concentration of basic fuchsin is 100mg/L,the mass ratio of solid to liquid is 1 ∶50 and shaking and absorption time is 1h,the decolorization rate of dye solution is 97%.It is found that high heat can be generated on coke with the absorption of microwave.The dye adsorbed on steel slag-coke mixture(mass ratio 1 ∶1)can be degraded at 665℃ generated by microwave radiation.The decolorization efficiency can be kept over 95% after the adsorbent is regenerated for 4 times.
【Fund】: 广西自然科学基金资助项目(0339031)
【CateGory Index】: X788
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