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《Non-Metallic Mines》 2009-03
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Refi nement and Application of Glass Tail-sand

Chen Nanchun1,2 Wang Wei2 Li Zhao2 Wu Wenhui2(1 Key Laboratory of Nonferrous and New Processing Technology of Education Ministry,Guilin,Guangxi 541004;2 Department of Materials and Chemistry Engineering Guilin Institute of Technology,Guilin,Guangxi 541004)  
The clay and organic matter as well as dip-dye iron imputity existing in glass tail-sand,which average particla size is 87.3μm,can be removed effectively by ultrasonic washing process,magmetic separation and acidifi cation method.The results show that when the sample weights 300.0g,65.8%(at the quality ratio) of the imputity can be removed by ultrasonic washing process,13.9% of the imputity can be removed by magmetic separation method,and 3.1% of the imputity mainly contains hematite,limonite,ilmenite and goethite can be removed by acidifi cation method.In this way,the output is 88.3%,and the brightness is among 81.1~85.5.After refi ning the tail-sand,the main components is as follows: SiO2,99.87% ~99.89%;Al2O3,0.03% ~0.25%;Fe2O3,0.015% ~0.03%.The prepared sample can be widly used in the industrial fi eld such as silica brick,silica iron,silica aluminium,electro-porcelain,daily ceramic,glassware and molding sand,etc.,which is helpful to improve the recycling value of the glass tail-sand,meanwhile,it plays a certain role in environmental protection.
【Fund】: 国家自然科学基金(50763001);; 广西自然科学基金(桂科自0542012);; 广西应用基础研究专项(桂科基05112001-2A5);; “广西研究生教育创新人才基地项目”资助
【CateGory Index】: TD926.4
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【Co-citations】
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