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乙酸對聚硅酸絮凝劑形態分布及轉化規律的影響

張瓊,  許兆義,  夏爽,  尹承龍

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文章導航 > 工程科學學報  > 2005 >  27(4): 413-417
張瓊, 許兆義, 夏爽, 尹承龍. 乙酸對聚硅酸絮凝劑形態分布及轉化規律的影響[J]. 工程科學學報, 2005, 27(4): 413-417. doi: 10.13374/j.issn1001-053x.2005.04.007
引用本文: 張瓊, 許兆義, 夏爽, 尹承龍. 乙酸對聚硅酸絮凝劑形態分布及轉化規律的影響[J]. 工程科學學報, 2005, 27(4): 413-417. doi: 10.13374/j.issn1001-053x.2005.04.007
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ZHANG Qiong, XU Zhaoyi, XIA Shuang, YIN Chenglong. Acetic acid effect on the polymerization and species distribution of polysilicic acid in silicic acid[J]. Chinese Journal of Engineering, 2005, 27(4): 413-417. doi: 10.13374/j.issn1001-053x.2005.04.007
Citation: ZHANG Qiong, XU Zhaoyi, XIA Shuang, YIN Chenglong. Acetic acid effect on the polymerization and species distribution of polysilicic acid in silicic acid[J]. Chinese Journal of Engineering, 2005, 27(4): 413-417. doi: 10.13374/j.issn1001-053x.2005.04.007
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乙酸對聚硅酸絮凝劑形態分布及轉化規律的影響

doi: 10.13374/j.issn1001-053x.2005.04.007

  • 北京交通大學土建學院, 北京 100044

基金項目: 

北京市自然科學基金資助項目(No.2042018)

詳細信息
    作者簡介:

    張瓊(1971-),女,講師,碩士

  • 中圖分類號: X703.1

Acetic acid effect on the polymerization and species distribution of polysilicic acid in silicic acid

  • School of Civil Engineering and Architecture, Beijing Jiaotong University, Beijing 100044, China

    摘要
  • 摘要: 針對聚硅酸金屬鹽絮凝劑因硅酸聚合膠凝而失活的問題,依照Si-Mo比色法的原理,對乙酸存在時的聚硅酸形態及其轉化規律進行研究.實驗表明:在酸性氛圍下,當有乙酸化合物存在時,聚硅酸溶液中的硅酸組分與鉬酸反應的速率總是要比不含乙酸時的大得多;溶液中存在的Sia和Sib形態均表現出不同程度的增加.乙酸化合物的存在,能夠有效減緩硅酸溶液中聚硅酸顆粒物的生長速度,但聚硅酸的總體形態分布與轉化規律的模式并沒有因為乙酸的存在而發生根本的改變.

     

    Abstract: The species distribution and transformation characteristics ofpolysilicic acid in the presence of acetic acid were investigated by chemical Si-Mo assay analysis. The experimental results showed that in the acid condition the polymerization rate decreased in acetic acid media, and the contents of species Sia and Sib were increased. This further indicated that when the acetic acid compound existed it could slow the growth rate of the particles of polysilicic acid, but total species distribution and its transformation model ofpolysilicic acid did not change.

     

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出版歷程
  • 收稿日期:  2004-09-01
  • 修回日期:  2004-12-28
  • 網絡出版日期:  2021-08-17

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