改性桂圆壳活性炭对苯酚的吸附研究
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摘要
研究了改性桂圆壳活性炭对废水中苯酚的吸附特性,考察了影响苯酚吸附效果的因素。确认了处理水中苯酚的最佳条件为:pH值为6.0,苯酚初始浓度为100 mg/L时,投加量为6.0 g/L,平衡时间为3 h,苯酚去除率达到93.0%。升温有利于吸附,在给定吸附剂浓度条件下,Freundlich吸附等温式能较好拟合平衡吸附数据,动力学试验数据则符合准一级动力学方程的模型。
引文
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[13]丁春生,倪芳明,缪佳,等.氨水改性活性炭的制备及其对苯酚吸附性能的研究[J].武汉理工大学学报(交通科学与工程版),2011,35(6):1237-1240.
[14]孙康.果壳活性炭孔结构定向调控及应用研究[D].北京:中国林业科学研究院,2012,63-73.
[15]杨全,张俊香,杨俊.Mn改性活性炭吸附VOCs性能[J].环境工程学报,2015,9(6):2963-2966.
[16]尤翔宇,杨杰,王云燕.苯酚在活性炭上的吸附模型[J].中国有色金属学报,2012,22(10):2924-2925.
[17]张俊秀,张青,龚盛昭.环境监侧[M].北京中国轻工业出版社,2003.144-146.
[2]尤翔宇,杨杰,王云燕,等.苯酚在活性炭上的吸附模型[J].2012,22(10):2924-2929.
[3]ROOSTAEI N,TEZEL F H.Removal of phenol from aqueous solutions by adsorption[J].Journal of Environmental Management,2004,70(2):157-164.
[4]李增新,孟韵,梁强,王彤.壳聚糖改性沸石吸附废水中的苯酚[J].生态环境,2008,17(6):2168-2172.
[5]MA J F,ZHU L Z.Removal of phenols from water accompanied with synthesis of organobentonite in one-step process[J].Chemosphere,2007,68(10):1883-888.
[6]Kasozi G N,Zimmerman A R,Nkedi-Kizza P,et al.Catechol and humic acid sorption onto a range of laboratoryproduced black carbons(biochars)[J].Environmental Science&Technology,2010,44(16):6189-6195.
[7]Cao X D,Ma L N,Gao B,et al.Dairy-manure derived biochar effectively sorbs lead and atrazine[J].Environmental Science&Technology,2009,43(9):3285-3291.
[8]Uchimiya M,Lima I M,Klasson K T,et al.Immobilization of heavy metal ions(Cu-Ⅱ,Cd-Ⅱ,Ni-Ⅱ,and Pb-Ⅱ)by broiler litter-derived biochars in water and soil[J].Journal of Agriculture and Food Chemistry,2010,58(9):5538-5544.
[9]Chun Y,Sheng G Y,Chiou C T,et al.Compositions and sportive properties of crop residue-derived chars[J].Environmental Science&Technology,2004,38(17):4649-4655.
[10]Babel S,Kurniawan T A.Low-cost adsorbents for heavy metal uptake from contaminated water[J].Chemosphere,2004,54(7):951-967.
[11]Hale S E,Ailing V,Martinesen M,et al.The sorption and desorption of phosphate-P,ammonium-N and nitrate-N in cacao shell and corn cob biochars[J].Chemosphere,2013,91(11):1612-1619.
[12]Yao Y,Gao B,Zhang M,et al.Effect of biochar amendment on sorption and leaching of nitrate,ammonium,and phosphate in a sandy soil[J].Chemosphere,2012,89(11):1467-1471.
[13]丁春生,倪芳明,缪佳,等.氨水改性活性炭的制备及其对苯酚吸附性能的研究[J].武汉理工大学学报(交通科学与工程版),2011,35(6):1237-1240.
[14]孙康.果壳活性炭孔结构定向调控及应用研究[D].北京:中国林业科学研究院,2012,63-73.
[15]杨全,张俊香,杨俊.Mn改性活性炭吸附VOCs性能[J].环境工程学报,2015,9(6):2963-2966.
[16]尤翔宇,杨杰,王云燕.苯酚在活性炭上的吸附模型[J].中国有色金属学报,2012,22(10):2924-2925.
[17]张俊秀,张青,龚盛昭.环境监侧[M].北京中国轻工业出版社,2003.144-146.