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[1]王子惠,陶海军,田相龙,等.凹土复合干燥剂的制备及吸湿性能[J].南京工业大学学报(自然科学版),2019,41(01):30-35.[doi:10.3969/j.issn.1671-7627.2019.01.005]
 WANG Zihui,TAO Haijun,TIAN Xianglong,et al.Preparation and hygroscopic properties of attapulgite supported desiccant[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2019,41(01):30-35.[doi:10.3969/j.issn.1671-7627.2019.01.005]
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凹土复合干燥剂的制备及吸湿性能()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
41
期数:
2019年01期
页码:
30-35
栏目:
出版日期:
2019-01-28

文章信息/Info

Title:
Preparation and hygroscopic properties of attapulgite supported desiccant
文章编号:
1671-7627(2019)01-0030-06
作者:
王子惠陶海军田相龙徐丽霞马正飞
南京工业大学 材料化学工程国家重点实验室,江苏 南京 210009
Author(s):
WANG ZihuiTAO HaijunTIAN XianglongXU LixiaMA Zhengfei
State Key Laboratory of Materials-Oriented Chemical Engineering,Nanjing Tech University,Nanjing 210009,China
关键词:
凹土 复合干燥剂 吸湿率
Keywords:
attapulgite composite desiccant moisture absorption rate
分类号:
TG174.42+8
DOI:
10.3969/j.issn.1671-7627.2019.01.005
文献标志码:
A
摘要:
以凹凸棒石黏土(简称凹土)为原料,采用溶解-混合法制备复合干燥剂。采用X线衍射仪(XRD)、傅里叶变换红外光谱仪(FT-IR)、扫描电子显微镜(SEM)和N2吸附-脱附仪对复合干燥剂进行表征。通过静态称重法测试复合干燥剂在不同相对湿度(RH)下的吸湿性能和再生性能,并与其他常见干燥剂进行对比。结果表明:制备复合干燥剂只是一个简单的物理混合过程,没有产生新的物质。静态吸湿时,复合干燥剂在低湿(RH=11%)下吸湿率为16.10%,高湿(RH=75%)下吸湿率为46.77%; 动态吸湿时平衡吸附量达到0.31 g/g。凹土不同温度下的脱附能力均优于其他干燥剂,可以实现低温再生,并且再次吸湿时吸湿率依旧良好。
Abstract:
The composite desiccant with attapulgite clay as the key ingredient was prepared by the dissolution-mixing.The prepared samples were characterized by X-ray diffraction(XRD),Fourier transform infrared spectroscopy(FT-IR),scanning electron microscope(SEM)and N2 adsorption-desorption technologies.Their water adsorption capacity and regeneration performance which were determined with static weighing method compared with other common desiccants at different relative humidity(RH).Results showed that the process of the preparation of composite desiccant was just a simple physical mixing process,and it didn’t produced new substances.The moisture adsorption rate at low relative humidity(RH=11%)was 16.10%,and the moisture adsorption rate at high relative humidity(RH=75%)was 46.77%,the equilibrium moisture adsorption quantity was 0.31 g/g from dynamic adsorption.The desorption efficiency of the composite desiccant was better than other common desiccants at different desorption temperatures.The prepared composite desiccant could be generated at the lower desorption temperature,and its repeated moisture adsorption was still favorable.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2017-04-15
作者简介:王子惠(1992—),女,E-mail:wangzihui9203@163.com; 马正飞(联系人),教授,E-mail:mazf@njtech.edu.cn.
引用本文:王子惠,陶海军,田相龙,等.凹土复合干燥剂的制备及吸湿性能[J].南京工业大学学报(自然科学版),2019,41(1):30-35..
更新日期/Last Update: 2019-02-26