不锈钢网负载Al-beta分子筛涂层的制备及其在油水分离中的应用

尚茜子; 张宝泉; 李雲

doi:10.11949/0438-1157.20190355

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不锈钢网负载Al-beta分子筛涂层的制备及其在油水分离中的应用

分离工程 | 更新时间：2026-07-24

- 不锈钢网负载Al-beta分子筛涂层的制备及其在油水分离中的应用
- Fabrication of stainless steel mesh supported zeolite Al-beta coatings for oil/water separation
- 化工学报 2019年70卷第10期页码：3994-4001
- 作者机构：
  
  化学工程联合国家重点实验室，天津大学化工学院，天津 300350
- 作者简介：
  
  尚茜子（1991—），女，硕士研究生，ssxz1210@163.com
  李雲（1992—），女，博士研究生，nlliyun@163.com
- 基金信息：
  
  国家自然科学基金项目(21136008)
- DOI：10.11949/0438-1157.20190355
  中图分类号： TQ 028.8
- 收稿：2019-04-08，
  
  修回：2019-06-19，
  
  网络首发：2026-07-24，
  
  纸质出版：2019-10-05
- 稿件说明：
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尚茜子, 张宝泉, 李雲. 不锈钢网负载Al-beta分子筛涂层的制备及其在油水分离中的应用[J]. 化工学报, 2019, 70(10): 3994-4001

SHANG Xizi, ZHANG Baoquan, LI Yun. Fabrication of stainless steel mesh supported zeolite Al-beta coatings for oil/water separation[J]. CIESC Journal, 2019, 70(10): 3994-4001
尚茜子, 张宝泉, 李雲. 不锈钢网负载Al-beta分子筛涂层的制备及其在油水分离中的应用[J]. 化工学报, 2019, 70(10): 3994-4001 DOI： 10.11949/0438-1157.20190355.

SHANG Xizi, ZHANG Baoquan, LI Yun. Fabrication of stainless steel mesh supported zeolite Al-beta coatings for oil/water separation[J]. CIESC Journal, 2019, 70(10): 3994-4001 DOI： 10.11949/0438-1157.20190355.

摘要

使用二次生长法在不锈钢网表面制备了Al-beta分子筛涂层，并通过扫描电镜、X射线衍射和接触角检测对其进行了表征。Al-beta分子筛晶粒以球形呈现在不锈钢网表面，并相互交联而构成微纳双级粗糙结构，Al-beta涂层表现出超亲水和水中超疏油性质。将不锈钢网负载Al-beta分子筛涂层用于分离一系列油水混合物，并考察了其耐久性和稳定性。实验结果表明，不锈钢网负载Al-beta分子筛涂层在重复使用100次后其正己烷/水分离效率仍保持在97.1%以上，酸、碱和超声等处理对其形貌和油水分离效率几乎没有影响，具备优异的耐久性、自清洁性和稳定性，在实际油水分离过程中有很大应用潜力。

Abstract

The zeolite Al-beta coating was fabricated on the stainless steel mesh by secondary growth method. Scanning electron microscopy (SEM)

X-ray diffraction (XRD) and contact angle (CA) measurements were used to characterize the zeolite Al-beta coatings. The cross-linked zeolite Al-beta crystals with spherical morphology on the stainless steel mesh constituted a micro/nanoscale hierarchical structure. The as-synthesized stainless steel mesh supported zeolite Al-beta coatings exhibited superhydrophilic and underwater superoleophobic characteristics. The stainless steel mesh supported zeolite Al-beta coating was applied to the separation of various oil/water mixtures. It could maintain the high separation efficiency above 97.1% after 100 separation cycles. The stability of zeolite Al-beta coatings was checked by using corrosive and ultrasonic treatments. The treated stainless steel mesh supported zeolite Al-beta coatings exhibited almost the same surface morphologies and separation efficiencies as the untreated sample. In addition

the zeolite Al-beta coating displayed a strong attachment to the stainless steel mesh surface. Self-cleaning stainless steel mesh supported zeolite Al-beta coatings with superior durability and stability would show great application potentials in actual oil/water separation processes.

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references

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