活性炭固定床吸附硝基苯废水性能研究
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摘要
利用活性炭固定床吸附硝基苯废水溶液,分析了活性炭填充量、硝基苯废水浓度和流量等因素对吸附效果的影响。结果表明,流量越低、活性炭用量越多、硝基苯废水浓度越低,越有利于吸附溶液中的硝基苯。利用Bed Depth Service Time(BDST)、Tomas、Admas-Bohart和Yoon-Nelson模型对硝基苯废水进行了吸附模拟,效果均较好。
The adsorption behavior of nitrobenzene wastewater solutions with fixed activated carbon bed was studied. The effect of various parameters like bed depths, concentration and flow rates of nitrobenzene wastewater were investigated. The results showed that the lower flow rate, more activated carbon amount and lower nitrobenzene concentration would benefit the adsorption effect. The adsorption data also fitted Bed Depth Service Time(BDST)、Tomas, Admas-Bohart and Yoon-Nelson models well.
The adsorption behavior of nitrobenzene wastewater solutions with fixed activated carbon bed was studied. The effect of various parameters like bed depths, concentration and flow rates of nitrobenzene wastewater were investigated. The results showed that the lower flow rate, more activated carbon amount and lower nitrobenzene concentration would benefit the adsorption effect. The adsorption data also fitted Bed Depth Service Time(BDST)、Tomas, Admas-Bohart and Yoon-Nelson models well.
引文
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[2]赵军. O3氧化处理苯胺、硝基苯废水的试验研究[J].环境保护科学,1997,23(3):12-14.
[3]刘转年,周安宁,金奇庭.新型煤基吸附剂吸附硝基苯的机理研究[J].煤炭转化,2006,29(1):73-76.
[4]王丽敏,刘振鸿,工建刚,等.硝基苯在两种不同吸附树脂上的吸附动力学研究[J].吉林化工学院学报,2006,23(1):22-25.
[5]宗红鹰,谢强.硝基苯生产废水处理技术进展[J].化工环保,2003,23(5):265-269.
[6] CHENG H F,SABATINI D A. Separation of organic compounds from surfactant solutions:A review[J].Sep Purif Technol,2007,42(3):453-475.
[7] ZHAO X K,YANG G P,GAO X C. Studies on the sorption behaviors of nitrobenzene on marine sediments[J].Chemosphere,2003,52(5):917-925.
[8] QIN Q D,MA D,LIU K. Adsorption of nitrobenzene from aqueous solution by MCM41[J].Journal of colloid and interface science,2007,315(1):80-86.
[9] LIU R P,LIU H J,WANG D J,et al. Characterization of the Songhua River sediments and evaluation of their adsorptionbehavior for nitrobenzene[J]. Journal of enviromental sciences,2008,20(7):796-802.
[10]侯方,佟明友,陈明.活性炭改性技术进展[J].广东化工,2010,37(9):66-69.
[11]侯春燕,王公应,冯良荣.活性炭载体改性进展[J].工业催化,2009,17(S):19-22.
[12] BOHART G S,ADAMS E Q. Some aspects of the behavior of charcoal with respect to chlorine[J].J Am Chem Soc,1920,42(3):523-544.
[13] CUNHA G D C,ROM魨O L P C,SANTOS M C,et al.Adsorption of trihalomenthanes by humin:Batch and fixed bed column studies[J].Bioresour Technol,2010,101(10):3345-3354.
[14] KUNDU S,GUPTA A K. Analysis and modeling of mixed bed column operations on as removal by adsorption onto iron zxide coated cement(IOCC)[J].Journal of colloid and interface science,2005,290(1):52-60.
[15] BOHART G S,ADAMS E Q. Some aspects of the behavior of charcoal with respect to chlorine[J].J Am Chem Soc,1920,42(3):523-544.
[16]章结兵,张小里,李红亚,等.固定床动力模型在离子交换过程中的应用[J].化学工程,2012,40(5):54-56,59.
[17] YOON Y H,NELSON J H. Application of gas adsorption kinetics. I. A theoretical model for respirator cartridge service life[J].Amercian industrial hygiene association journal,1984,45(8):509-516.