[1]周峰,林金清,姚晓亮,等.活性炭对印染废水中碱性紫的吸附作用[J].华侨大学学报(自然科学版),2006,27(3):304-306.[doi:10.3969/j.issn.1000-5013.2006.03.022]
　Zhou Feng,Lin Jinqing,Yao Xiaoliang,et al.Adsorption of Alkaline Purple Dye from Simulated Wastewater Using Activated Carbon and Its Modification[J].Journal of Huaqiao University(Natural Science),2006,27(3):304-306.[doi:10.3969/j.issn.1000-5013.2006.03.022]
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活性炭对印染废水中碱性紫的吸附作用()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第27卷
期数:
2006年第3期
页码:
304-306
栏目:
出版日期:
2006-07-20

文章信息/Info

Title:
Adsorption of Alkaline Purple Dye from Simulated Wastewater Using Activated Carbon and Its Modification
文章编号:
1000-5013(2006)03-0304-03
作者:
周峰; 林金清; 姚晓亮; 李德炳
华侨大学材料科学与工程学院; 华侨大学材料科学与工程学院 福建泉州362021; 福建泉州362021
Author(s):
Zhou Feng;  Lin Jinqing;  Yao Xiaoliang;  Li Debing
College of Material Science and Engineering, Huaqiao University, 362021, Quanzhou, China
关键词:
活性炭;  吸附量;  碱性紫染料;  改性;  吸附等温线;  印染废水
Keywords:
activated carbon;  adsorption; alkaline purple dye; modification; isotherm
分类号:
X791
DOI:
10.3969/j.issn.1000-5013.2006.03.022
文献标志码:
A
摘要:
用活性炭吸附模拟废水中的碱性紫染料,研究pH值对吸附性能的影响,得出当pH值为8~10时,对碱性紫的去除率最大.酸性、中性和碱性条件下的饱和吸附量(mg.g-1)分别为233.57、260.38和507.17.同时用KOH进行改性,借助红外光谱表征改性前后活性炭表面官能团的变化,并测定改性后活性炭的吸附等温线.结果表明,KOH的改性使活性炭表面带有更多的碱性基团,增加了吸附活性位,提高对碱性紫的吸附量,中性条件下饱和吸附量达350.77 mg.g-1,比改性前提高35%,吸附等温线符合B.E.T方程.
Abstract:
Activated carbon was used to adsorb alkaline purple dye from simulated wastewater.The influence of pH on the performance of adsorption capacity was studied.The best removal result was got in the pH range 810.The adsorption isotherms were accorded with B.E.T equation.The saturated adsorption capacity under acidic、neutral and alkaline conditions were 233.57 mg·g-1,260.38 mg·g-1 and 507.17 mg·g-1,respectively.Meanwhile,KOH was used to modify the activated carbon,and FTIR was used to analyze the changes of effective surface groups.The adsorption isotherms of activated carbon before and after the modification were compared.The results showed that the modification of KOH made the surface of the activated carbon have more alkaline groups,and increased the active places of the adsorption and the adsorption quantity of alkaline purple dye.The saturated adsorption capacity reached 350.77 mg·g-1 under neutral condition,increasing 35% than before.

参考文献/References:

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[2] Nakagawaa K, Narnba A. Adsorption of phenol and reactive dye from aqueous solution on activated carbons derived from solid wastes [J]. Water Research, 2004(7):1971-1798.
[3] Walker G M, Weatherley L R. Adsorption of acid dyes on to granular activated carbon in fixed beds [J]. Water Research, 1997(8):2093-2101.
[4] Namasivayam C, Kavitha D. Removal of congo red from water by adsorption ontoactivated carbon prepared from coir pith, an agricultural solid waste [J]. Dyes and Pigments, 2002(1):47-58.
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备注/Memo

备注/Memo:
福建省自然科学基金资助项目(E0210022)
更新日期/Last Update: 2014-03-23