|本期目录/Table of Contents|

[1]李国亭,李康丽,张帅阳,等.木质纤维素生物炭对亚甲基蓝和四环素的吸附对比研究[J].江苏农业科学,2021,49(18):234-240.
 Li Guoting,et al.Comparative study on adsorption of methylene blue and tetracycline by lignocellulosic biochar[J].Jiangsu Agricultural Sciences,2021,49(18):234-240.
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木质纤维素生物炭对亚甲基蓝和四环素的吸附对比研究(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第49卷
期数:
2021年第18期
页码:
234-240
栏目:
资源与环境
出版日期:
2021-09-20

文章信息/Info

Title:
Comparative study on adsorption of methylene blue and tetracycline by lignocellulosic biochar
作者:
李国亭1 李康丽1 张帅阳1 刘迎旭2 王宁2 谭云飞2
1.华北水利水电大学环境与市政工程学院,河南郑州 450046; 2.郑州市污水净化有限公司,河南郑州 450000
Author(s):
Li Guotinget al
关键词:
木质纤维素生物炭亚甲基蓝四环素吸附动力学吸附热力学
Keywords:
-
分类号:
X52
DOI:
-
文献标志码:
A
摘要:
以木质纤维素为原料,采用限氧热解法制备木质纤维素生物炭,以亚甲基蓝和四环素为目标污染物,通过批试验方法考察了生物炭热解温度和溶液初始pH值条件等对吸附的影响,以及吸附的动力学和热力学。研究结果发现,热解温度为300 ℃时木质纤维素生物炭对2种污染物的吸附能力最强。酸化和未酸化处理木质纤维素生物炭对2种污染物的吸附能力有明显的差异,溶液初始pH值条件对吸附过程有较大影响。吸附动力学研究表明,2种污染物在木质纤维素生物炭上的吸附可能以化学吸附为主。由Langmuir吸附等温方程知,298 K时木质纤维素生物炭对亚甲基蓝和四环素的最大吸附量分别达到437.6 mg/g和1 090.1 mg/g。热力学分析证明生物炭对2种污染物的吸附过程均为自发和吸热过程。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2021-02-06
基金项目:国家自然科学基金(编号:51378205);中英“一带一路”合作项目。
作者简介:李国亭(1977—),男,河南叶县人,博士,教授,主要从事水处理物化处理技术及应用研究。E-mail:liguoting@ncwu.edu.cn。
更新日期/Last Update: 2021-09-20