| 戊二醛交联改性绿藻制备新型吸附剂吸附Cr^6＋的研究 |
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| 引用本文： | 万俊杰,康奕菁,郭伟艳,黄远超.戊二醛交联改性绿藻制备新型吸附剂吸附Cr^6＋的研究[J].安徽农业科学,2011(19):11744-11747,11751. |
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| 作者姓名： | 万俊杰 康奕菁 郭伟艳 黄远超 |
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| 作者单位： | 广东轻工职业技术学院食品与生物工程系; |
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| 摘 要： | 目的]研究戊二醛对绿藻进行交联改性制备新型吸附剂吸附Cr6＋。方法]分析了戊二醛质量分数、绿藻投加量、PH和温度对交联改性的影响及铬初始浓度、初始PH和改性绿藻投加量对改性藻吸附Cr6＋的吸附容量的影响。结果]当铬溶液浓度为40mg/L时,戊二醛质量分数5%、藻类投加量为0.4g、PH为-0.5、温度为40℃时改性后的藻类对铬的吸附容量最大,其吸附动力学符合Boltz-mann方程。结论]各因素对改性藻吸附Cr6＋的影响由大到小的顺序为：铬溶液浓度〉pH〉改性藻投加量;最佳吸附条件为铬溶液浓度为80mg/L,pH为5,改性藻量为：0.4g;吸附容量可达19.19mg/g。
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| 关 键 词： | 戊二醛 改性 六价铬 吸附 |
Study on Adsorbing Cr~(6+) by the New Modified Absorbent of Cross-linking Green Alga with Glutaraldehyde |
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| WAN Jun-jie et al.Study on Adsorbing Cr~(6+) by the New Modified Absorbent of Cross-linking Green Alga with Glutaraldehyde[J].Journal of Anhui Agricultural Sciences,2011(19):11744-11747,11751. |
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| Authors: | WAN Jun-jie |
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| Institution: | WAN Jun-jie et al(Department of Food Bioengineering,Guangdong Industry Technical College,Guangzhou,Guangdong 51000) |
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| Abstract: | Objective]The aim was to study the new midified absorbent of cross-linking green alga with glutaraldehyde for adsorbing Cr6+.Method]The effects of glutaraldehyde mass fraction,green alga dosage,initial pH and temperature on cross-linking modifying and the effects of initial Cr6+ concentration,initial PH and modified green alga dosage on adsorbing Cr6+ were analysed.Result]The results showed that when the glutaraldehyde mass fraction was 5%,green alga dosage was 0.4 g,initial pH was-0.5 and temperature wa... |
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| Keywords: | Glutaraldehyde Modify Cr6 Adsorb |
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