电场强化煤基炭膜处理含镍离子废水的研究
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- 英文论文题名：Separation performance of coal-based carbon membranes enhanced by the electric field for the treatment of nickel(Ⅱ)wastewater
- 论文作者：孙梦涵 ; 张美涵 ; 宋成文 ; 杨在丽 ; 温施泓 ; 王世玉 ; 刘慧 ; 李尚哲 ; 李晨 ; 王同华
- 英文论文作者：SUN Menghan ; ZHANG Meihan ; SONG Chengwen ; YANG Zaili ; WEN Shihong ; WANG Shiyu ; LIU Hui ; LI Shangzhe ; LI Chen ; WANG Tonghua ; College of Environmental Science and Engineering ; Dalian Maritime University ; State key Laboratory of Fine chemicals ; Carbon Research Laboratory ; School of Chemical Engineering ; Dalian University of Technology
- 年：2016
- 作者机构：大连海事大学环境科学与工程学院;大连理工大学精细化工国家重点实验室炭素材料研究实验室;
- 论文关键词：炭膜 ; 重金属 ; 电场 ; 渗透通量 ; 去除效率
- 英文论文关键词：carbon membrane ; heavy metal ; electric field ; permeate flux ; removal efficiency
- 会议召开时间：2016-11-25
- 会议录名称：第五届全国膜分离技术在冶金工业中应用研讨会论文集
- 语种：中文
- 分类号：X703
- 学会代码：LXJT
- 会议名称：第五届全国膜分离技术在冶金工业中应用研讨会
- 会议地点：中国湖南长沙
- 主办单位：中国膜工业协会、中南大学
- 学会名称：中国蓝星(集团)总公司膜科学与技术编辑部
- 页数：5
- 文件大小：341k
- 原文格式：O
- 会议级别：全国
摘要
由于重金属离子具有高毒性和难降解的特性,对人体和生物体的健康造成严重影响.因此,如何有效的去除废水中重金属离子具有重要的研究意义和实际应用价值.将煤基导电炭膜与电场相结合构建重金属处理系统分离去除废水的重金属镍离子,分别考察了溶液初始浓度、蠕动泵转速、电场强度、溶液pH值等因素对系统处理效果的影响及其原因,确定了煤基炭膜处理重金属镍离子的临界电场强度.结果显示,溶液的初始浓度会对系统的处理效果有明显影响影响,处理系统对低浓度镍离子废水的处理效果要优于高浓度的含镍废水;蠕动泵的转速影响炭膜的渗透通量,转速越大,膜渗透通量越大;在电场的作用下,导电炭膜的渗透通量和重金属离子的去除效率有了明显提高,处理系统对含镍废水处理所需的临界场强是0.4 V/cm;含镍废水的pH控制在5左右处理效果较好.
Heavy metalionscan do harm to the health of both human and organismsdue to itshigh toxicity anddifficulty at degradatioa Therefore,it is of great importance for us to removal it from environment In this paper,a wastewater treatment system was designed which combinesthe conductive carbon membranes with electric field used for the removal of heavy metals nickel ions.The effects of initial concentration of solution,rotational speed of peristaltic pump,electric field intensity and pH value of solution on the performance of membrane separation were discussed and the critical electric field intensity of the treatment system was determined finally.The results showed that the concentration of solution can have influence on its performance and it has a better treatment performance at low concentration than at high concentratioa The speed of peristaltic pump has influence on the permeate flux,and the permeate flux increased with the increase of the speed of peristaltic pump.The results also showed that electric field can improve the separation performance of carbon membrane,both permeate flux and removal efficiency increase with electric field and the critical field strength is 0.4 V/cm.InitialpH of 5.0 is more suitable for the removal of nickel ions from the wastewater.
Heavy metalionscan do harm to the health of both human and organismsdue to itshigh toxicity anddifficulty at degradatioa Therefore,it is of great importance for us to removal it from environment In this paper,a wastewater treatment system was designed which combinesthe conductive carbon membranes with electric field used for the removal of heavy metals nickel ions.The effects of initial concentration of solution,rotational speed of peristaltic pump,electric field intensity and pH value of solution on the performance of membrane separation were discussed and the critical electric field intensity of the treatment system was determined finally.The results showed that the concentration of solution can have influence on its performance and it has a better treatment performance at low concentration than at high concentratioa The speed of peristaltic pump has influence on the permeate flux,and the permeate flux increased with the increase of the speed of peristaltic pump.The results also showed that electric field can improve the separation performance of carbon membrane,both permeate flux and removal efficiency increase with electric field and the critical field strength is 0.4 V/cm.InitialpH of 5.0 is more suitable for the removal of nickel ions from the wastewater.
引文
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[2]Kang C H,So J S.Heavy metal and antibiotic resistance of ureolytic bacteria and their immobilization of heavy metals[J].Ecolog Eng,2016,97:304-312.
[3]Chiu J M,Degger N,Leung J Y,et al.A novel approach for estimating the removal efficiencies of endocrine disrupting chemicals and heavy metals in wastewater treatment processes[J].Marine Pollution Bulletin,2016,112(1-2):53-57.
[4]Ji W B,Yap S H K,Panwar N,et al.Detection of low-concentration heavy metal ions using optical microfiber sensor[J].Sensors&Actuators B Chemical,2016,237:142-149.
[5]Mahmoud M E,Fekry N A,El-Latif M M A.Nanocomposites of nanosilica-immobilized-nanopolyaniline and crosslinked nanopolyaniline for removal of heavy metals[J].Chem Eng J,2016,304:679-691.
[6]Hayati B,Maleki A,Najafi F,et al.Synthesis and characterization of PAMAM/CNT nanocomposite as a supercapacity adsorbent for heavy metal(Ni~(2+),Zn~(2+),As~(3+),Co~(2+))removal from wastewater[J].J Molecular Liquids,2016,224:1032-1040.
[7]Wanna Y,Chindaduang A,TumcharernG,et al.Efficiency of SPIONs functionalized with polyethylene glycol bis(amine)for heavy metal removal[J].J Magnetism and Magnetic Mater,2016,414:32-37.
[8]SKalaivani S,Muthukrishnaraj A,Sivanesan S,et al.Novel hyperbranched polyurethane resins for the removal of heavy metal ions from aqueous solution[J],Process Safety and Environ Protection,2016,104:11-23.
[9]Zhao J,Liu J,Li N,et al.Highly efficient removal of bivalent heavy metals from aqueous systems by magnetic porous Fe_3O_4-MnO_2:Adsorption behavior and process study[J].Chem Eng J,2016,304:737-746.
[10]Ravanchi M T,Kaghazchi T,Kargari A.Application of membrane separation processes in petrochemical industry:a review[J].Desalination,2009,235:199-244.
[11]Ismail A F,David L I B.A review on the latest development of carbon membranes for gas separation[J].J Membr Sci,2001,193:1-18.
[12]Wang R,Guan S,Sato A,et al.Nanofibrous microfiltration membranes capable of removing bacteria,viruses and heavy metal ions[J].J Membr Sci,2013,446:376-382.
[13]Zhang Y,Zhang S,Gao J,et al.Layer-by-layer construction of graphene oxide(GO)frameworkcomposite membranes for highly efficient heavy metal removal[J].J Membr Sci,2016,515:230-237.
[14]Song C,Wang T,Pan Y,et al.Preparation of coalbased microfiltration carbon membrane and application in oily wastewater treatment[J].Sep Purif Technol,2006,51:80-84.