| 低品位菱镁矿缎烧的新工艺 |
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| 引用本文： | 单琪堰,张悦,杨合,薛向欣.低品位菱镁矿缎烧的新工艺[J].非金属矿,2011,34(3):15-18. |
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| 作者姓名： | 单琪堰 张悦 杨合 薛向欣 |
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| 作者单位： | 东北大学材料与冶金学院; |
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| 基金项目： | 教育部重大科技资助项目(307009) |
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| 摘 要： | 研究低品位菱镁矿煅烧的新工艺方法.分别采用低品位菱镁矿直接煅烧、与氯化铵混合焙烧、与添加剂混合煅烧的方法,使其中的钙和镁分离.考察了工艺条件对低品位菱镁矿失重率、CaCO3分解率和MgCO3分解率及煅烧产物物相组成的影响.结果表明,低品位菱镁矿煅烧的适宜工艺条件为:低品位菱镁矿与质量分教为1%的M解12.6H2O的混合...
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| 关 键 词： | 低品位菱镁矿 添加剂 氧化镁 碳酸钙 |
Novel Calcining Process of Low-grade Magnesite |
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| Shan Qiyan,Zhang Yue,Yang He,Xue Xiangxin.Novel Calcining Process of Low-grade Magnesite[J].Non-metallic Mines,2011,34(3):15-18. |
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| Authors: | Shan Qiyan Zhang Yue Yang He Xue Xiangxin |
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| Affiliation: | Shan Qiyan Zhang Yue Yang He Xue Xiangxin(School of Materials and Metallurgy,Northeastern University,Shenyang,Liaoning 110004) |
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| Abstract: | Novel calcining process methods of low-grade magnesite were studied.Low-grade magnesite was calcined directly,calcined with ammonium chloride,calcined with additive respectively,which aimed to make calcium and magnesium be separated.The effects of experimental conditions on the weight loss of low-grade magnesite,decomposition rate of CaCO3 and MgCO3 as well as phase composition of calcined products were studied.The results showed that the optimum calcining conditions of low-grade magnesite were that,low-gra... |
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| Keywords: | low-grade magnesite additive magnesium oxide calcium carbonate |
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