在高温和空气隔绝的条件下利用竹节炭化制备高比表面积活性炭,以竹炭基活性炭作电极的吸附材料,考察了活性炭电极在通电的情况下对溶液中金属离子的电吸附去除性能,详细研究了电压、两电极片间距和溶液的pH值对电容去离子效果的影响.结果表明,当电压为1.55V、电极片间距为2.0cm、pH值为5.16时,电极的去离子性能达到最佳状态,对不同类型金属离子的去除效果次序分别为:Cu2+>Cr3+;Cu2+>Pb2+>Cr3+>Cd2+>Ca2+>Mg2+;Na+>K+.
参考文献
[1] | Dermentzis K .[J].Electrochimica Acta,2008,53(06):2953-2962. |
[2] | Welgemoed T J;Schutte C F .[J].Desalination,2005,183(1-3):327-340. |
[3] | Xiaofeng Wang,Dazhi Wang,JI Liang.Performance of Electric Double Layer Capacitors using Active Carbons Prepared from Petroleum Coke by KOH and Vapor Re-Etching[J].材料科学技术学报(英文版),2003(03):265-269. |
[4] | Niu J J;Conway B E .[J].Journal of Electroanalytical Chemistry,2003,546:59-72. |
[5] | 尹广军,陈福明.电容去离子研究进展[J].水处理技术,2003(02):63-66. |
[6] | 张玲,唐冬汉,熊奇.超级电容器极化电极材料的研究进展[J].重庆大学学报(自然科学版),2002(05):152-156. |
[7] | Seron A.;Beguin F.;Frackowiak E.;Bretelle JL.;Thiry MC. Bandosz TJ.;Jagiello J.;Schwarz JA.;Benaddi H. .SORPTION AND DESORPTION OF LITHIUM IONS FROM ACTIVATED CARBONS[J].Carbon: An International Journal Sponsored by the American Carbon Society,1996(4):481-487. |
[8] | Farmer JC.;Mack GV.;Pekala RW.;Poco JF.;Fix DV. .CAPACITIVE DEIONIZATION OF NACL AND NANO3 SOLUTIONS WITH CARBON AEROGEL ELECTRODES[J].Journal of the Electrochemical Society,1996(1):159-169. |
[9] | Pekala RW.;Alviso CT.;Tran TD.;Mayer ST.;Miller JM.;Dunn B.;Farmer JC. .Carbon aerogels for electrochemical applications[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,1998(1):74-80. |
[10] | Jung H H;Hwang S W;Hyun S H et al.[J].Desalination,2007,216(1-3):377-385. |
[11] | Chun-Mo Yang;Woon-Hyuk Choi;Byung-Ki Na;Byung Won Cho;Won Il Cho .Capacitive deionization of NaCl solution with carbon aerogel-silica gel composite electrodes[J].Desalination: The International Journal on the Science and Technology of Desalting and Water Purification,2005(2):125-133. |
[12] | Yang K L;Yiacoumi S;Tsouris C .[J].Journal of Electroanalytical Chemistry,2003,540:159-167. |
[13] | 马仁志,魏秉庆,徐才录,梁吉,吴德海.应用于超级电容器的碳纳米管电极的几个特点[J].清华大学学报(自然科学版),2000(08):7-10. |
[14] | Kai Dai;Liyi Shi;Jianhui Fang .NaCl adsorption in multi-walled carbon nanotubes[J].Materials Letters,2005(16):1989-1992. |
[15] | 张治安,杨邦朝,邓梅根,胡永达.电化学电容器的设计[J].电源技术,2004(05):318-323. |
[16] | 张玲,常俊玲,刘洪波,张红波.基于竹节的双电层电容器用高比表面积活性炭的研究[J].炭素,2002(01):11-15. |
[17] | Bochm H P .[J].High Temperature and High Pressure,1990,22:275-288. |
[18] | 何月德,刘洪波,张红波,赵宁娟.双电层电容器用无烟煤基高比表面积活性炭制备工艺的正交试验研究[J].炭素技术,2002(06):1-5. |
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