| 基于白碳黑的水化硅酸钙制备及其磷回收特性简 |
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| 引用本文： | 吉芳英,关伟,周卫威,姜宁,刘亭役,陈宇,程拥,方德新.基于白碳黑的水化硅酸钙制备及其磷回收特性简[J].环境工程学报,2014,8(2):493-498. |
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| 作者姓名： | 吉芳英 关伟 周卫威 姜宁 刘亭役 陈宇 程拥 方德新 |
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| 作者单位： | 重庆大学三峡库区生态环境教育部重点实验室, 重庆 400045;重庆大学三峡库区生态环境教育部重点实验室, 重庆 400045;重庆大学三峡库区生态环境教育部重点实验室, 重庆 400045;重庆大学三峡库区生态环境教育部重点实验室, 重庆 400045;重庆大学三峡库区生态环境教育部重点实验室, 重庆 400045;重庆大学三峡库区生态环境教育部重点实验室, 重庆 400045;重庆大学三峡库区生态环境教育部重点实验室, 重庆 400045;重庆大学三峡库区生态环境教育部重点实验室, 重庆 400045 |
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| 基金项目： | 国家“水体污染控制与治理”重大科技专项（2009ZX07315）；重庆市重大科技专项（CSTC，2008AB7133） |
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| 摘 要： | 以白碳黑、硅灰、硅藻土和硅胶筛选硅质原料，并与钙质原料电石渣制备了水化硅酸钙。借助XRF、BET、FTIR等表征手段，通过多次重复除磷实验，研究了硅质原料特性对水化硅酸钙回收磷性能的影响。结果表明，白碳黑具有极高的反应活性，因此可作为制备具有磷回收特性的水化硅酸钙的硅质原料。结合XRD等表征发现，白碳黑的有效利用率是影响水化硅酸钙回收磷性能的关键，该利用率取决于白碳黑与电石渣的摩尔配比以及水热反应温度。当电石渣与白碳黑的摩尔比为1.6：1，反应温度为170℃时，白碳黑具有最佳的利用效率。该条件制备的水化硅酸钙可作为晶种，在其表面结晶形成羟基磷灰石，从而达到磷回收的目的，磷回收后固体物质中的磷含量为19.05%。
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| 关 键 词： | 磷回收 水化硅酸钙 白碳黑 硅质原料 反应活性 |
Preparation and phosphorus recovery characteristic of calcium silicate hydrate based on white carbon black |
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| Ji Fangying,Guan Wei,Zhou Weiwei,Jiang Ning,Liu Tingyi,Chen Yu,Cheng Yong and Fang Dexin.Preparation and phosphorus recovery characteristic of calcium silicate hydrate based on white carbon black[J].Techniques and Equipment for Environmental Pollution Control,2014,8(2):493-498. |
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| Authors: | Ji Fangying Guan Wei Zhou Weiwei Jiang Ning Liu Tingyi Chen Yu Cheng Yong and Fang Dexin |
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| Institution: | Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China;Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China;Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China;Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China;Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China;Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China;Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China;Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China |
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| Abstract: | |
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| Keywords: | phosphorus recovery calcium silicate hydrate white carbon black siliceous materials reactivity |
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