全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

柠檬酸盐络合铜在污泥上的吸附

Keywords: 络合铜,污泥,吸附,动力学,热力学

Full-Text   Cite this paper   Add to My Lib

Abstract:

利用二沉池污泥进行吸附柠檬酸盐络合铜实验。研究了吸附动力学、热力学、液固比以及pH值对吸附的影响,同时对比污泥吸附前后FTIR光谱推测吸附主要基团。结果表明,吸附速率受多种机制共同影响;准二级动力学模型能较好地描述污泥吸附柠檬酸盐络合铜动力学数据;增加液固比,总铜去除率下降;偏酸性环境下污泥对络合铜吸附效果较优;吸附过程符合Langmuir等温模型;红外光谱特征分析表明,污泥含有的—OH、酰胺基、—COO-、硅酸盐物质可能是污泥吸附络合铜的主要活性基团。

References

[1]  Fu Fenglian,Wang Qi.Removal of heavy metal ions from wastewaters:A review.Journal of Environmental Management,2011,92 (3):407-418
[2]  曲荣君,等.金属离子吸附材料制备结构性能.北京:化学工业出版社,2009
[3]  Banat F. A.,Al-Bashir B.,Al-Asheh S.,et al.Adsorption of phenol by bentonite.Environmental Pollution,2000,7(3):391-398
[4]  刘宝河,孟冠华,陶冬民,等.污泥吸附剂对3种染料吸附动力学的研究.环境工程学报,2011,5(1):95-99 Liou B.H.,Meng G.H.,Tao D.M., et al.Kinetics of adsorption of three dyes by sludge-based adsorbent.Chinese Journal of Environmental Engineering,2011,5(1):95-99 (in Chinese)
[5]  郑蕾.pH值对活性污泥胞外聚合物分子结构和表面特征影响研究.环境科学,2007,28(7):1507-1511 Zheng L.Effects of pH on the surface characteristics and molecular structure of extracellular polymeric substances from activated sludge.Environmental Science,2007,28(7):1507-1511 (in Chinese)
[6]  Fiol N.,Villaescusa I.,Martlnez M.,et al.Sorption of Pb(II),Ni(II),Cu(II) and Cd(II) from aqueous solution by olive stone waster.Separation and Purification Technology,2006,50(1):132-140
[7]  Sophie C.,Gilles G.,Michel B.Biosorption propenies of extracellular polymeric substances (EPS) resulting from activated sludge according to their type:Soluble or bound.Process Biochemistry,2006,41(4):815-823
[8]  Aquino S. F.,Stuckey D. C.Soluble microbial products form ation in anaerobic chemostats in the presence of toxic compounds.Water Research,2004,38(2):255-266
[9]  Goyal N.,Jain S. C.,Banerjee U. C.Comparative studies on the microbial adsorption of heavy metals.Advances in Environmental Research,2003,10(7):311-319
[10]  Hui Xu,Yu Liu,Joo-Hwa Tay.Effect of pH on nickel biosorption by aerobic granular sludge.Bioresource Technology,2006,97(3):359-363
[11]  Bueno B.Y.M.,Torem M. Biosorption of lead(II), Chromium(III) and copper(II) by R.Opacus:Equilibrium and kinetic studies.Minerals Engineering,2007,21(1):65-75
[12]  Wang Xinhua,Song Ruihong,Teng Shaoxiang,et al.Characteristics and mechanisms of Cu(II) biosorption by disintegrated aerobic granules.Journal of Hazardous Materials,2010,179 (1-3):431-437
[13]  Ong S. A.,Toorisaka E.,Makoto H.A., et al.Adsorption and toxicity of heavy metals on activated sludge.Science Asia,2010,36(3):204-209
[14]  徐宏英,李亚新,岳秀萍,等.厌氧颗粒污泥吸附去除废水中H g2+ 的 研究.环境工程学报,2009,3(4):601-606 Xu H.Y.,Li Y.X.,Yue X.P.,et al.Adsorptive removal of Hg2+ in waste water by anaerobic granular sludge.Chinese Journal of Environmental Engineering,2009,3(4):601-606 (in Chinese)
[15]  沈祥信,李小明,曾光明,等.活性污泥吸附重金属离子的研究进展.工业用水与废水,2006,37(4):7-11 Shen X. X.,Li X.M.,Zeng G.M.,et al.Development of research on adsorption of heavy metal ions by activated sludge.Industrial Water & Wastewater,2006,37(4):7-11(in Chinese)
[16]  HJ 485-2009,水质铜的测定-二乙基二硫代氨基甲酸钠分光光度法
[17]  Hawari A. H.,Mulligan C. N.Biosorption of lead(II),cadmium(II),copper(II) and nickel(II) by anaerobic granular biomass.Bioresource Technology,2006,97(4):692-700
[18]  饶清华,林秀珠,邱宇,等.活性污泥对Pb2+的生物吸附特征研究.工业用水与废水,2009,40 (6):53-56 Rao Q.H.,Lin X.Z.,Qiou Y.,et al.Character of Pb2+ biosorption by activated sludge.Industrial Water & Wastewater,2009,40 (6):53-56 (in Chinese)
[19]  吴海锁,张鸿,张爱茜,等.活性污泥对重金属离子混合物的生物吸附.环境化学,2002,21 (6):528-532 Wu H.S.,Zhang H.,Zhang A.Q., et al.Biosorption of heavy metal mixture by activated sludge.Environmental Chemistry,2002,21 (6):528-532(in Chinese)
[20]  孙长顺,金奇庭,秦莉红,等.EDTA络合铜在无机柱撑膨润土上的吸附研究.环境工程学报,2007,1(9):131-135 Sun C.S.,Jin Q.T.,Qin L.H.,et al.Study on adsorption of Cu (Ⅱ) onto pillared bentonites in the presence of EDTA.Chinese Journal of Environmental Engineering,2007,1(9):131-135(in Chinese)

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133