| 聚硅酸锌絮凝剂性能研究 |
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| 引用本文： | 董建博,候孟蝶,李曦光,赵建茹,王雪枫.聚硅酸锌絮凝剂性能研究[J].广州化工,2014(10):1-3. |
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| 作者姓名： | 董建博 候孟蝶 李曦光 赵建茹 王雪枫 |
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| 作者单位： | 新疆大学化学化工学院,新疆乌鲁木齐830046 |
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| 基金项目： | 国家自然科学基金资助项目（No：21067013）;新疆大学2013年度大学生创新训练计划（No：XJU-SRT-13039）. |
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| 摘 要： | 聚硅酸锌絮凝剂由于其优良的絮凝性能和低金属残留,成为无机高分子絮凝剂中研究的热点。本文以硅酸钠、硫酸锌等为原料制备了聚硅酸硫酸锌絮凝剂,研究了适宜制备条件和对其絮凝性能的影响因素。结果表明:SiO2百分含量为3.0%、锌硅比为1.5、活化时间0.5 h时去浊率为最高;在絮凝使用过程中最佳投加量为1.0 mL/L、pH使用范围为6.4~10.0、絮凝沉降时间10 min。其絮凝效果在pH使用范围、沉降时间、絮凝体体成长速度优于聚硅酸铝絮凝剂。
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| 关 键 词： | 絮凝剂 聚硅酸锌 合成条件 絮凝效果 |
Study on the Performance of Poly-zinc Silicate |
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| Affiliation: | DONG Jian - bo, HOU Meng - die, LI Xi - guang, ZHAO Jian - ru, WANG Xue -feng (College of Chemistry and Chemical Engineering, Xinjiang University, Xinjiang Urumqi 830046, China) |
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| Abstract: | Poly -zinc silicate became the research hotspot that it had excellent flocculant property and lower metal remaining. Poly - zinc silicate was made by sodium silicate, zinc sulfate, etc. , and its optimal preparation condition and influencing factor to flocculant property were researched. The results indicated that the removal residual turbidity efficiency was culmination when w（Si02% ） =3.0%, n（Zn/Si） = 1.5, activation time was 0. 5 h, the optimal dose was 1.0 mL/L, pH range of application was 6.4 - 10. 0 and flocculation sedimentation time was 10 min. It had wider pH range of application, sedimentation time and the rate of flocculating constituent grew up than that of poly - aluminum silicate floceulant. |
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| Keywords: | flocculant poly - zinc silicate synthesis condition flocculating efficiency |
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