|本期目录/Table of Contents|

[1]陈盛余,赵丹丹,史兵方,等.荔枝壳对六价铬的吸附特性[J].江苏农业科学,2017,45(11):249-251.
 Chen Shengyu,et al.Adsorption properties of Cr(Ⅵ) by lychee shell[J].Jiangsu Agricultural Sciences,2017,45(11):249-251.
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荔枝壳对六价铬的吸附特性(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第45卷
期数:
2017年11期
页码:
249-251
栏目:
资源与环境
出版日期:
2017-06-05

文章信息/Info

Title:
Adsorption properties of Cr(Ⅵ) by lychee shell
作者:
陈盛余 赵丹丹 史兵方 欧阳辉祥
百色学院/广西高校桂西生态环境分析和污染控制重点实验室,广西百色 533000
Author(s):
Chen Shengyuet al
关键词:
荔枝壳吸附热力学特征Cr(Ⅵ)
Keywords:
-
分类号:
X712
DOI:
-
文献标志码:
A
摘要:
研究用荔枝壳粉末吸附剂去除水溶液中六价铬Cr(Ⅵ)的效果,考察溶液初始pH值、吸附剂投加量、吸附时间、吸附温度的影响,并讨论吸附过程的热力学特征。结果表明,在50 mL 50.0 mg/L Cr(Ⅵ)溶液中加入0.70 g荔枝壳粉末,于50 ℃、pH值1.0条件下振荡吸附150 min,Cr(Ⅵ)的去除率达到98.14%。用Langmuir、Freundlich模型对等温吸附过程进行拟合,发现Langmuir模型能够更好地反映吸附过程特征。对吸附热力学参数ΔG、ΔH、ΔS的计算表明,吸附过程是吸热的自发过程。综合试验结果可知,荔枝壳粉末对Cr(Ⅵ)同时存在吸附、还原能力,是具有潜在利用价值的生物质吸附剂。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-03-17
基金项目:国家自然科学基金(编号:41163007);广西自然科学基金(编号:2012GXNSFAA053036)。
作者简介:陈盛余(1984—),男,广西桂平人,硕士,讲师,主要从事环境污染物的检测及修复研究。E-mail:cccsssyyy@126.com。
通信作者:史兵方,博士,副教授,研究方向为环境分析与污染控制。E-mail:shibingfang@126.com。
更新日期/Last Update: 2017-06-05