|本期目录/Table of Contents|

[1]柳忠玉,毛碧莹,潘明,等.皂化虎杖药渣对铜离子(Cu2+)的吸附性能[J].江苏农业科学,2017,45(23):299-302.
 Liu Zhongyu,et al.Adsorption of Cu2+ by saponified Polygonum cuspidatum residue[J].Jiangsu Agricultural Sciences,2017,45(23):299-302.
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皂化虎杖药渣对铜离子(Cu2+)的吸附性能(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23期
页码:
299-302
栏目:
资源与环境
出版日期:
2017-12-05

文章信息/Info

Title:
Adsorption of Cu2+ by saponified Polygonum cuspidatum residue
作者:
柳忠玉12毛碧莹2潘明2董伟2马立安2余知和2程小会3
1.长江大学/湿地生态与农业利用教育部工程研究中心,湖北荆州 434025;
2.长江大学生命科学学院,湖北荆州 434025; 3.广州市农业科学研究院,广东广州 510308
Author(s):
Liu Zhongyuet al
关键词:
皂化虎杖药渣Cu2+生物吸附重金属污染生物吸附修复
Keywords:
-
分类号:
X131
DOI:
-
文献标志码:
A
摘要:
以废弃的虎杖药渣为原料,经乙醇、氢氧化钠处理,得到皂化虎杖药渣生物吸附剂,将其用于对重金属铜离子(Cu2+)的吸附研究。采用扫描电镜对皂化虎杖药渣进行表征,并考察吸附剂投加量、溶液pH值、初始Cu2+浓度、吸附温度与时间对吸附性能的影响。此外,研究吸附动力学、等温吸附模型以及吸附剂的循环再生性能。结果表明,虎杖药渣经过皂化处理后表面变得疏松多孔,在吸附剂投加量5.0 g/L、溶液pH值5.5、初始Cu2+浓度50 mg/L、吸附温度30 ℃、吸附时间120 min的条件下,皂化虎杖药渣对Cu2+的吸附率达87.2%。吸附剂对Cu2+的吸附符合准二级动力学模型,等温吸附符合Langmuir模型,根据Langmuir模型计算可知,30 ℃时饱和吸附量为34.482 mg/g。解吸再生试验表明,吸附剂可以再生重复使用4次。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2016-07-22
基金项目:长江大学湿地生态与农业利用教育部工程研究中心开放基金(编号:KF201511)。
作者简介:柳忠玉(1978—),女,湖北潜江人,博士,讲师,主要从事环境污染与生态修复的研究。E-mail:zyliu2004@126.com。
通信作者:程小会,硕士,农艺师,主要从事农业资源开发利用的研究。E-mail:chengxiaohui2016@126.com。
更新日期/Last Update: 2017-12-05