[1]董良飞,蒋庭宇,周美成,等.蜂窝型凹凸棒石黏土吸附气相甲醛研究[J].常州大学学报(自然科学版),2021,33(02):1-7.[doi:10.3969/j.issn.2095-0411.2021.02.001]
　DONG Liangfei,JIANG Tingyu,ZHOU Meicheng,et al.Study on Formaldehyde Adsorbing from Air Using Honeycomb Attapulgite Clay[J].Journal of Changzhou University(Natural Science Edition),2021,33(02):1-7.[doi:10.3969/j.issn.2095-0411.2021.02.001]
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蜂窝型凹凸棒石黏土吸附气相甲醛研究()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
第33卷
期数:
2021年02期
页码:
1-7
栏目:
材料科学与工程
出版日期:
2021-03-28

文章信息/Info

Title:
Study on Formaldehyde Adsorbing from Air Using Honeycomb Attapulgite Clay
文章编号:
2095-0411(2021)02-0001-07
作者:
董良飞1;  蒋庭宇1;  周美成2;  韦荣建2
(1.常州大学 环境与安全工程学院, 江苏 常州213164; 2.江苏冰洲石环保科技有限公司, 江苏 南京 210019)
Author(s):
DONG Liangfei1;  JIANG Tingyu1;  ZHOU Meicheng2;  WEI Rongjian2
(1. School of Environmental & Safety Engineering, Changzhou University,Changzhou 213164, China; 2. Jiangsu Ice Island Environmental Protection Technology Co., Ltd., Nanjing 210019, China)
关键词:
蜂窝型凹凸棒石黏土;  甲醛;  吸附;  孔径
Keywords:
honeycomb attapulgite clay;  formaldehyde;  adsorbent;  pore size
分类号:
TB 39; X 705
DOI:
10.3969/j.issn.2095-0411.2021.02.001
文献标志码:
A
摘要:
以凹凸棒石黏土为主要原料, 掺杂二氧化钛、硅酸钠等辅料, 制备蜂窝型凹凸棒石黏土。通过静态吸附实验和动态穿透实验, 对4种不同配方的蜂窝型凹凸棒石黏土进行了气相甲醛吸附研究。结果表明, 蜂窝型凹凸棒石黏土对甲醛的吸附符合Freundlich吸附等温方程; 静态吸附实验中, 当甲醛平衡质量浓度为45 mg/m3时, 配方1, 2, 3, 4的平衡吸附容量分别为14.28, 13.73, 11.02, 9.25 mg/g; 动态穿透实验中, 配方1具有更强的气相甲醛吸附能力, 其实际吸附容量利用率可达78.26%; 孔径为3 mm的蜂窝型凹凸棒石黏土吸附气相甲醛效果更优。
Abstract:
The honeycomb type attapulgite clay was prepared by using attapulgite clay as the main raw material, doped with titanium dioxide, sodium silicate and other auxiliary materials. Through static adsorption experiments and dynamic penetration experiments, the gas phase formaldehyde adsorption of honeycomb attapulgite clay with four different formulations was studied. The results show that the adsorption of formaldehyde on honeycomb attapulgite clay conforms to Freundlich adsorption isotherm equation; in static adsorption experiments, when the equilibrium concentration of formaldehyde is 45 mg/m3, the equilibrium adsorption capacities of formula 1, 2, 3 and 4 are 14.28, 13.73, 11.02 and 9.25 mg/g respectively; in dynamic penetration experiments, formula 1 has a stronger adsorption capacity of formaldehyde in gas phase, and the utilization rate of actual adsorption capacity can reach 78.26%; the honeycomb attapulgite clay with 3 mm pore diameter has a better adsorption effect on gaseous formaldehyde.

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备注/Memo

备注/Memo:
收稿日期:2020-11-30
基金项目:2018年度南京市建邺区“高层次创业人才引进计划”资助项目(建人才发[2018]2号)
作者简介:董良飞(1972—), 男, 江苏沛县人, 博士, 教授。E-mail: dlf@cczu.edu.cn
引用本文:董良飞, 蒋庭宇, 周美成, 等. 蜂窝型凹凸棒石黏土吸附气相甲醛研究[J]. 常州大学学报(自然科学版), 2021, 33(2): 1-7.
更新日期/Last Update: 1900-01-01