| 利用含锌硫酸废水制备聚硅酸铁锌及处理含肼废水 |
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| 引用本文： | 佟勇,严刚.利用含锌硫酸废水制备聚硅酸铁锌及处理含肼废水[J].工业水处理,2014(10):52-55. |
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| 作者姓名： | 佟勇 严刚 |
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| 作者单位： | 1. 青海大学土木工程学院,青海西宁,810016
2. 青海大学化工学院,青海西宁,810016 |
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| 摘 要： | 以含锌硫酸废水、铁屑、硅酸钠为原料制备聚硅酸铁锌絮凝剂。对制备条件的优化结果表明,当SiO2质量分数为0.020~0.025,n(Fe+Zn)/n(Si)为1.5~2.0,硅酸活化的pH为1.56~2.12,活化时间为12~16 h时,制备的聚硅酸铁锌絮凝剂的絮凝性能优良。用制备的聚硅酸铁锌絮凝剂二段处理含肼废水,结果表明,经该絮凝剂处理后,废水COD从7 065 mg/L降低到1 235 mg/L,COD去除率达到了82.5%,pH从13~14降低到9~10,降低了含肼废水后续生物处理的负荷和冲击。
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| 关 键 词： | 含锌硫酸废水 聚硅酸铁锌絮凝剂 含肼废水 |
Using sulfuric acid wastewater containing zinc for the preparation of poly-silicate-ferric-zinc and the treatment of hydrazine-containing wastewater |
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| Tong Yong,Yan Gang.Using sulfuric acid wastewater containing zinc for the preparation of poly-silicate-ferric-zinc and the treatment of hydrazine-containing wastewater[J].Industrial Water Treatment,2014(10):52-55. |
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| Authors: | Tong Yong Yan Gang |
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| Affiliation: | Tong Yong;Yan Gang;School of Civil Engineering,Qinghai University;School of Chemical Engineering,Qinghai University; |
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| Abstract: | |
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| Keywords: | sulfuric acid wastewater containing Zn2+ poly-silicate-ferric-zinc flocculant hydrazine-containing wastewater |
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