|本期目录/Table of Contents|

[1]郑梅琴,彭军,林瑞余,等.超富集植物紫苏活性炭的磷酸法制备与性能表征[J].江苏农业科学,2018,46(23):379-382.
 Zheng Meiqin,et al.Preparation and characterization of activated carbon from Perilla frutescens by phosphoric acid activation[J].Jiangsu Agricultural Sciences,2018,46(23):379-382.
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超富集植物紫苏活性炭的磷酸法制备与性能表征(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第46卷
期数:
2018年第23期
页码:
379-382
栏目:
资源与环境
出版日期:
2018-12-05

文章信息/Info

Title:
Preparation and characterization of activated carbon from Perilla frutescens by phosphoric acid activation
作者:
郑梅琴1 彭军2 林瑞余2 郑新宇23
1.福建农林大学金山学院,福建福州 350002; 2.福建农林大学生命科学学院,福建福州 350002;
3.福建农林大学国家甘蔗工程技术研究中心,福建福州 350002
Author(s):
Zheng Meiqinet al
关键词:
紫苏活性炭吸附磷酸法制备工艺性能表征
Keywords:
-
分类号:
TQ424.1
DOI:
-
文献标志码:
A
摘要:
以磷酸为活化剂,拟制备大比表面积和中孔结构发达的紫苏基活性炭。探讨磷酸溶液浓度、浸渍比、活化温度及活化时间4个因素对紫苏活性炭碘和亚甲基蓝吸附性能的影响,利用氮气吸附脱附仪、扫描电子显微镜、傅里叶红外光谱仪等对活性炭表面物化性质进行表征。通过单因素和正交试验确定活性炭的最佳制备工艺条件:磷酸浓度60%、浸渍比200%、活化温度400 ℃和活化时间80 min,该条件下紫苏活性炭的碘吸附值为910 mg/g,亚甲基蓝吸附值为202.5 mg/g,达到了净水用活性炭的国家一级品标准。最优条件下活性炭的BET(BET为Brunauer、Emmett和Teller三位科学家名字首字母组合)比表面积、总孔容积、平均孔径分别为1 101.26 m2/g、0.89 cm3/g、3.23 nm,孔隙结构发达,孔为蜂窝状结构,表面存在醇羟基、羰基、酯等含氧官能团,说明超富集植物紫苏有望成为一种新型、吸附效果良好的活性炭制备原料。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2018-06-01
基金项目:国家科技基础性工作专项(编号:2015FY111300);福建农林大学国家甘蔗工程技术研究中心开放课题基金(编号:PTJH1500114);福建省教育厅中青年教师教育科研项目(编号:JAT170890);金山学院青年教师科研基金(编号:z170403)。
作者简介:郑梅琴(1982—),女,福建莆田人,博士研究生,讲师,主要从事土壤重金属污染修复研究。E-mail:zmq82@126.com。
更新日期/Last Update: 2018-12-05