| 聚天冬氨酸的改性对阻垢分散性能的影响 |
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| 引用本文： | 高玉华,刘振法,田彩莉,李晓辉.聚天冬氨酸的改性对阻垢分散性能的影响[J].工业水处理,2010,30(2). |
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| 作者姓名： | 高玉华 刘振法 田彩莉 李晓辉 |
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| 作者单位： | 1. 河北工业大学化工学院,天津,300130;河北省能源研究所,河北石家庄,050081;河北省工业节水工程技术研究中心,河北石家庄,050081
2. 河北省能源研究所,河北石家庄,050081;河北省工业节水工程技术研究中心,河北石家庄,050081 |
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| 基金项目： | 河北省自然科学基金项目(B2007000956) |
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| 摘 要： | 将聚琥珀酰亚胺(PSI)与天冬氨酸(ASP)、2-氨基乙磺酸(SEA)分别进行反应,对聚天冬氨酸进行改性,并对改性聚天冬氨酸的阻CaCO3垢、分散Fe2O3和缓蚀性能进行了评定。实验结果表明:在PASP分子结构中引入羧基可以提高其阻垢率,而磺酸基的引入则会降低其阻垢率,当引入羧基的改性聚天冬氨酸质量浓度为6mg/L时,阻垢率达到了100%;磺酸基的引入可以大大提高聚天冬氨酸的分散性能,加药质量浓度为10mg/L,分散Fe2O3时上清液最小透光率为40.3%;羧基的引入有助于缓蚀性能的提高,加药质量浓度为100mg/L时,比PASP的缓蚀率提高35%以上。
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| 关 键 词： | 聚天冬氨酸 改性聚天冬氨酸 阻垢分散 缓蚀 |
Influence of modified polyaspartic acid on scale inhibition and dispersion capacities |
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| Gao Yuhua,,Liu Zhenfa,Tian Caili,Li Xiaohui.Influence of modified polyaspartic acid on scale inhibition and dispersion capacities[J].Industrial Water Treatment,2010,30(2). |
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| Authors: | Gao Yuhua Liu Zhenfa Tian Caili Li Xiaohui |
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| Affiliation: | 1. School of Chemical Engineering and Technology;Hebei University of Technology;Tianjin 300130;China;2. Hebei Provincial Institute of Energy Resources;Shijiazhuang 050081;3. Hebei Engineering Research Center for Water Saving in Industry;China |
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| Abstract: | Modified polyaspartic acid has been prepared from taurine(SEA), aspartic acid(ASP) and polysuccinimide (PSI). The effects of modified polyaspartic acid on the capacities of CaCO3 scale inhibition, Fe2O3 dispersion and corrosion inhibition have been studied. The results show that introducing carboxylic acid group into molecular structure of PASP could greatly improve its scale inhibition rate, but the introducing sulfonic group into molecular structure of PASP could reduce its scale inhibition rate. When the... |
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| Keywords: | polyaspartic acid modified polyaspartic acid scale inhibition and dispersion corrosion inhibition |
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