| SBA-15介孔分子筛处理废水中氨氮的研究 |
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| 引用本文： | 汪碧容,袁东,袁基刚.SBA-15介孔分子筛处理废水中氨氮的研究[J].工业安全与环保,2012,38(4):10-12,18. |
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| 作者姓名： | 汪碧容 袁东 袁基刚 |
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| 作者单位： | 四川理工学院材料与化学工程学院 四川自贡6430001 |
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| 摘 要： | 以具有较高比表面积及较大孔径的介孔分子筛SBA-15、Rod-SBA-15为载体,利用物理吸附的方法吸附废水中的氨氮,Rod-SBA-15由于具有较大的比表面积及孔径而具有较高的脱除效率,还通过测定不同分子筛用量、不同pH值及不同静置时间条件下的吸附效率来确定优选吸附条件,结果表明,分子筛用量优选3 mg/mL,pH值优选6～7,吸附时间优选20 min。
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| 关 键 词： | SBA-15 介孔分子筛 氨氮 |
Study on Ammonia Nitrogen Treatment in Wastewater by SBA- 15 Mesoporous Molecular Sieve |
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| WANG Birong
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YUAN Dong
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YUAN Jigang.Study on Ammonia Nitrogen Treatment in Wastewater by SBA- 15 Mesoporous Molecular Sieve[J].Industrial Safety and Dust Control,2012,38(4):10-12,18. |
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| Authors: | WANG Birong YUAN Dong YUAN Jigang |
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| Institution: | (School of Material and Chemical Engineering,Sichuan University of Science & Engineering Zigong,Sichuan 643000) |
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| Abstract: | Mesoporous molecular sieve SBA-15 and Rod-SBA-15 with large pores and high surface area are used as the carrier to absorb ammonia nitrogen in wastewater by using physical adsorption as a method and the results show that Rod-SBA-15 has the higher absorbing efficiency because of larger BET surface area and larger average pore diameter.In this paper,the absorbing efficiency with different mesoporous molecular sieve mass,different pH value and different time have been measured to determine optimum absorption conditions.The results show that: the optimum mesoporous molecular sieve mass is 3 mg/mL,the optimum pH value is 6-7 and the optimum time is 20 min. |
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| Keywords: | SBA-15 mesoporous molecular sieve ammonia nitrogen |
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