改性活性碳毡电吸附污水中的Zn<sup>2+</sup>

Abstract
Figure/Table
References (43)
Related Citation (15)

Download: PDF (931 KB) HTML (1 KB)
Export: BibTeX | EndNote (RIS)

Abstract

In this paper, the activated carbon felt was modified by 20% HNO₃ and its structure was characterized by SEM and FTIR. The modified active carbon felt was used as the adsorption electrode to study desalination effect and influencing factors further. The results showed that the carbonyl and carboxyl groups on active carbon felt increased, the specific surface area, the average pore size and the micropore volume enhanced by 32.2%, 2.5%, and 23.1%, respectively. The adsorption effect of Zn²⁺ was optimal in water when the voltage was 1.2V, pH was 6~8, and the electrode spacing was 5mm. The kinetic analysis showed that Zn²⁺ was adsorbed by modified activated carbon felt more closed to the quasi-two-stage kinetic equation, and the adsorption isotherms followed the Langmuir model. Moreover, the results of recycling experiment indicated that regeneration rate of modified activated carbon felt was more than 74% by using 20% HNO₃ as the regeneration solution. This explained that modified activated carbon felt had a good reproducibility in the adsorption process of Zn²⁺.

Key words： modification activated carbon felt zinc ion electric adsorption regeneration

Received: 14 September 2017

X703.1

	Service

	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	LIANG Hong-xu
	ZHAO Xin-kun
	SONG Bin
	SUN Qian-qian
	JIAO Gao-jie
	ZHENG Ji-yong
	SHE Diao

Cite this article:

LIANG Hong-xu,ZHAO Xin-kun,SONG Bin等. Electrochemical adsorption of Zn²⁺ in wastewater by modified activated carbon felt[J]. CHINA ENVIRONMENTAL SCIENCECE, 2018, 38(4): 1336-1345.

URL:

http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2018/V38/I4/1336

[1]	孙长峰,郭娜.微量元素铁对人体健康的影响[J]. 微量元素与健康研究, 2011,28(2):64-66.
[2]	胡焰,韩光宇,王健.微量元素锌与人体健康初探[J]. 当代医学, 2011,17(31):152.
[3]	Liu R, Guo J, Tang H. Adsorption of Fluoride, Phosphate, and Arsenate Ions on a New Type of Ion Exchange Fiber[J]. J Colloid Interface Sci, 2002,248(2):268-274.
[4]	Xing Y, Chen X, Wang D. Electrically regenerated ion exchange for removal and recovery of Cr(VI) from wastewater.[J]. Environmental Science & Technology, 2007,41(4):1439-43.
[5]	Tang B, Yuan L J, Shi T H, et al. Preparation of nano-sized magnetic particles from spent pickling liquors by ultrasonic-assisted chemical co-precipitation.[J]. Journal of Hazardous Materials, 2009,163(2):1173-1178.
[6]	Ning R Y. Arsenic removal by reverse osmosis[J]. Desalination, 2002,143(3):237-241.
[7]	王畅,杜虹,杨运云,等.重金属形态连续萃取法对沉积物矿物相态的影响[J]. 分析化学, 2011,39(12):1887-1892.
[8]	Untea I, Tudorache E, Neagu V. Cr(VI)-containing wastewater treatment by means of ion exchange on weak-and strong-base anion exchangers[J]. Journal of Applied Polymer Science, 2002, 86(8):2093-2098.
[9]	王社宁,席启斐,常青,等.响应面法优化沸石协同CSAX混凝消除含锌废水中的Zn2+[J]. 中国环境科学, 2016,36(11):3335-3340.
[10]	Wang Y, Wu C, Lin K, et al. Facile Fabrication of Nanorod-Assembled Fluorine-Substituted Hydroxyapatite (FHA) Microspheres[J]. Chemistry-An Asian Journal, 2013,8(5):990-996.
[11]	Vigneswaran S, Shon H K, Kandasamy J, et al. Performance of granular activated carbon (GAC) adsorption and biofiltration in the treatment of biologically treated sewage effluent[J]. Separation Science and Technology, 2007,42(14):3101-3116.
[12]	张帆,李菁,谭建华,等.吸附法处理重金属废水的研究进展[J]. 化工进展, 2013,11:2749-2756.
[13]	Rio S, Le Coq L, Faur C, et al. Production of porous carbonaceous adsorbent from physical activation of sewage sludge:application to wastewater treatment[J]. Water science and technology, 2006,53(3):237-244.
[14]	Lesage N, Sperandio M, Cabassud C. Study of a hybrid process:Adsorption on activated carbon/membrane bioreactor for the treatment of an industrial wastewater[J]. Chemical Engineering & Processing, 2008,47(3):303-307.
[15]	Ayoub G M, Hamzeh A, Semerjian L. Post treatment of tannery wastewater using lime/bittern coagulation and activated carbon adsorption[J]. Desalination, 2011,273(2):359-365.
[16]	Kim T, Dykstra J E, Porada S, et al. Enhanced charge efficiency and reduced energy use in capacitive deionization by increasing the discharge voltage[J]. Journal of Colloid & Interface Science, 2014,446:317-326.
[17]	Johnson A M, Newman J. Chemical industry and engineering progress[J]. Journal of the Electrochemical Society, 1978,125:867-880.
[18]	Wang H, Gong Y, Wang Y. Cellulose-based Hydrophobic Carbon Aerogels as Versatile and Superior Adsorbents for Sewage Treatment[J]. Rsc Advances, 2014,4(86):45753-45759.
[19]	易晶,熊鹰,程克梅,等.含能材料电子激发态降解时间分辨光谱技术与理论研究[C]. 中国化学会全国量子化学会议, 2014.
[20]	孙奇娜,盛义平.载钛活性炭对Cr(Ⅵ)的电吸附行为[J]. 中国环境科学, 2006,(4):441-444.
[21]	施周,杨文浩,杨灵芳,等.等离子改性CNT/TiO2电极吸附去除水中苯酚的研究[J]. 中国环境科学, 2015,35(9):2664-2669.
[22]	Alfarra A, Frackowiak E, Béguin F. Mechanism of lithium electrosorption by activated carbons[J]. Electrochimica Acta, 2002,47(10):1545-1553.
[23]	Afkhami A. Adsorption and electrosorption of nitrate and nitrite on high-area carbon cloth:an approach to purification of water and waste-water samples[J]. Carbon, 2003,41(6):1320-1322.
[24]	Jannakoudakis A D, Jannakoudakis P D, Pagalos N. Preparation and catalytic efficiency of mixed noble metal catalysts on electrochemically activated carbon fibre supports[J]. Journal of Applied Electrochemistry, 1993,23(11):1162-1168.
[25]	Kim C. Electrochemical characterization of electrospun activated carbon nanofibres as an electrode in supercapacitors[J]. Journal of Power Sources, 2005,142(1/2):382-388.
[26]	Ahn H J, Lee J H, Jeong Y, et al. Nanostructured carbon cloth electrode for desalination from aqueous solutions[J]. Materials Science and Engineering:A, 2007,449:841-845.
[27]	Lee J B, Park K K, Yoon S W, et al. Desalination performance of a carbon-based composite electrode[J]. Desalination, 2009, 237(1):155-161.
[28]	Chang L M, Duan X Y, Liu W. Preparation and electrosorption desalination performance of activated carbon electrode with titania[J]. Desalination, 2011,270(1):285-290.
[29]	梅建庭.活性炭纤维吸附性能和表面结构的研究[J]. 炭素, 2001,(2):9-12.
[30]	吴利瑞,张蓝心,于飞,等.氨基化碳纳米管/石墨烯气凝胶对甲醛吸附研究[J]. 中国环境科学, 2015,35(11):3251-3256.
[31]	郭林中,韦瑞杰,王海潮,等.改性活性炭的制备及其对金吸附性能的研究[J]. 岩矿测试, 2014,(4):528-534.
[32]	赵海洋,卢晗锋,姜波,等.挥发性有机物在活性炭纤维上的吸附和电致热脱附[J]. 中国环境科学, 2016,36(7):1981-1987.
[33]	王春芳.活性炭理化特性对饮用水中有机物吸附特性的影响研究[D]. 北京:清华大学, 2015.
[34]	陈理想.有机粘土矿物的制备与表征及其对重金属吸附性能的研究[D]. 广州:华南理工大学, 2015.
[35]	Gök Ö, Özcan A, Erdem B, et al. Prediction of the kinetics, equilibrium and thermodynamic parameters of adsorption of copper (Ⅱ) ions onto 8-hydroxy quinoline immobilized bentonite[J]. Colloids and Surfaces A:Physicochemical and Engineering Aspects, 2008,317(1-3):174-185.
[36]	Zimmermann M, Leifeld J, Fuhrer J. Quantifying soil organic carbon fractions by infrared-spectroscopy[J]. Soil Biology & Biochemistry, 2007,39(1):224-231.
[37]	Daifullah A A M, Yakout S M, Elreefy S A. Adsorption of fluoride in aqueous solutions using KMnO4-modified activated carbon derived from steam pyrolysis of rice straw[J]. Journal of Hazardous Materials, 2007,147(1/2):633-643.
[38]	孙亮. sp~3杂化的C-H键的活化[D]. 赣南师范学院, 2009.
[39]	王盼盼.不同尺度的多羧基金属-有机骨架材料的合成、表征及吸附性能研究[D]. 新乡:河南师范大学, 2013.
[40]	刘艳丽,李航.腐殖质胶体表面电场力作用下Zn2+的吸附动力学研究[J]. 西南大学学报自然科学版, 2010,32(3):77-81.
[41]	施周,靳兆祺,邓林,等. CNT/PANI电极吸附去除水中Cu~(2+)的研究[J]. 中国环境科学, 2016,36(12):3650-3656.
[42]	胡欣琪,宋永会,张旭,等.电增强载铝活性炭纤维吸附氟离子性能[J]. 环境工程学报, 2014,8(10):4147-4152.
[43]	曾辉平,吕赛赛,杨航,等.铁锰泥除砷颗粒吸附剂对As(Ⅴ)的吸附去除[J]. 环境科学, 2018,39(1):170-178.