| 中和—混凝法处理三氯氢硅尾气洗涤废水 |
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| 引用本文： | 曾凤春.中和—混凝法处理三氯氢硅尾气洗涤废水[J].工业水处理,2011,31(9):67-69. |
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| 作者姓名： | 曾凤春 |
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| 作者单位： | 四川理工学院化学与制药工程学院,四川自贡,643000 |
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| 摘 要： | 采用中和—混凝法处理三氯氢硅生产过程中的尾气洗涤废水.经实验确定最佳工艺条件:中和后的悬浮液pH为7～9,混凝剂聚合氯化铝的投加质量浓度为30 mg/L,快速搅拌30 min,慢速搅拌40 min,静置60 min.实验结果表明:在最佳工艺条件下对废水进行处理,出水无色透明,浊度和SS的去除率均在97％以上,SiO2去...
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| 关 键 词： | 中和 混凝 三氯氢硅 废水处理 |
Treatment of tail gas washing wastewater from SiHCl_3 production by neutralization-coagulation process |
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| Zeng Fengchun.Treatment of tail gas washing wastewater from SiHCl_3 production by neutralization-coagulation process[J].Industrial Water Treatment,2011,31(9):67-69. |
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| Authors: | Zeng Fengchun |
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| Affiliation: | Zeng Fengchun(College of Chemical and Pharmaceutical Engineering,Sichuan Institute of Science and Technology,Zigong 643000,China) |
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| Abstract: | Neutralization-coagulation process has been applied to the treatment of tail gas washing wastewater from SiHCl3 production.The optimum conditions are as follows:the pH of the suspending liquid after neutralization is 7-9,the mass concentration of coagulant polyaluminum chloride added dosage is 30 mg/L,fast stirring time is 30 min,slow stirring time is 40 min and standing time 60 min.The results show that the effluent water is colorless and transparent,its removal rates of SS,turbidity and SiO2 are 97%,97% a... |
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| Keywords: | neutralization coagulation trichlorosilane wastewater treatment |
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