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| 钙硅渣湿法处理工艺 | |
| 引用本文： | 张亚莉,于先进,张邦胜,张丽鹏,李德刚,李小斌.钙硅渣湿法处理工艺[J].有色金属(冶炼部分),2011(6):6-9. |
| 作者姓名： | 张亚莉 于先进 张邦胜 张丽鹏 李德刚 李小斌 |
| 作者单位： | 1. 山东理工大学化学工程学院,山东淄博,255081 2. 北京矿冶研究总院,北京,100070 3. 中南大学冶金科学与工程学院,长沙,410083 |
| 基金项目： | 山东省自然科学基金资助项目(ZR2010EL006)；淄博市科技项目(2006kjm39) |
| 摘 要： | 研究钙硅渣湿法处理最佳工艺条件,确定CO2浓度、CO2气体的添加方式、分解次数、时间、温度、液固比、碱液和铝酸钠浓度等因素对钙硅渣湿法分解的影响。有利于硅渣湿法分解的条件是延长反应时间,增加分解次数,采用合适的添加方式,确定适宜的温度范围。CO2浓度、液固比对钙硅渣湿法分解的影响不明显。在钙硅渣湿法分解过程中,含硅化合物转化成在碱液中相对稳定的水合硅酸钙,而含铝化合物转化成在碱液中反应活性较好的氢氧化铝等。适宜的转型工艺条件是CO2浓度8%~100%,分解时间2h左右,L/S 5~10,温度50℃左右,分解次数为三次。 |
| 关 键 词： | 冶金技术 水化石榴石 湿法处理 铝硅分离 |
Hydro-treatment Technology of Hydrategarnet |
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| ZHANG Ya-li,YU Xian-jin,ZHANG Bang-sheng,ZHANG Li-peng,LI De-gang and LI Xiao-bin.Hydro-treatment Technology of Hydrategarnet[J].Nonferrous Metals(Extractive Metallurgy),2011(6):6-9. | |
| Authors: | ZHANG Ya-li YU Xian-jin ZHANG Bang-sheng ZHANG Li-peng LI De-gang and LI Xiao-bin |
| Affiliation: | College of Chemical Engineering, Shandong University, Zibo 255081, Shandong, China;College of Chemical Engineering, Shandong University, Zibo 255081, Shandong, China;Beijing General Research Institute of Mining & Metallurgy, Beijing 100070, China;College of Chemical Engineering, Shandong University, Zibo 255081, Shandong, China;College of Chemical Engineering, Shandong University, Zibo 255081, Shandong, China;College of Metallurgical Science and Engineering, Central South University, Changsha 410083, China |
| Abstract: | The optimal condition of hydrategarnet hydro-treatment is investigated and the influencing factors are described,such as CO2 concentration,measures of CO2 addition,times of decomposition,retention time,temperature,ratio of liquid/solid and alkali liquor to aluminate etc.Prolonging of reaction time,increasing hydro-treatment times,adequate measures of CO2 addition and the optimal temperature range are favorable to the transformation of the hydrategarnet.Variation of CO2 concentration and L/S ratio are of lit... |
| Keywords: | metallurgical technology hydrategarnet hydro-treatment separation of alumina from silica |
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