聚合氯化铝原位改性聚氨酯泡沫用于油水分离

doi:10.11896/cldb.21040138

材料导报

2022, Vol. 36

Issue (9): 21040138-7 https://doi.org/10.11896/cldb.21040138

高分子与聚合物基复合材料

聚合氯化铝原位改性聚氨酯泡沫用于油水分离

范雷倚^1,2,*, 王锐², 何睿杰², 张瑞阳², 张骞², 周莹^1,2,*

1 西南石油大学油气藏地质及开发工程国家重点实验室,成都 610500
2 西南石油大学新能源与材料学院,新能源材料及技术研究中心,成都 610500

Polyaluminum Chloride In-situ Modified Polyurethane Foam for Oil-Water Separation

FAN Leiyi^1,2,*, WANG Rui², HE Ruijie², ZHANG Ruiyang², ZHANG Qian², ZHOU Ying^1,2,*

1 State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, China
2 The Center of New Energy Materials and Technology, School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, China

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摘要含油废水的排放造成了严重的环境污染,其净化处理受到了广泛关注。本工作通过原位发泡制备了聚合氯化铝(PAC)改性的聚氨酯泡沫(PAC@PU),研究了其组成结构、表面性质及油水分离性能。所制备的PAC@PU显示出良好的疏水性(水接触角为(140±3)°)和优异的物理、化学稳定性。PAC@PU对泵油的吸收容量高达79.42 g·g^-1,经200次吸收-挤压循环后吸收容量仍保持不变;对层状油水混合物的静态分离通量和动态分离通量分别为1.55×10⁶ L·m^-3·h^-1和3.3×10⁵ L·m^-3·h^-1。PAC@PU对水包油(O/W)乳液的分离效率高达86.7%,分离通量达到了3×10⁵ L·m^-3·h^-1。机理分析表明,PAC改善了PU的微观结构和表面能,使PU的疏水性增大,并增大了其对油滴吸附位点的捕获能力。因此,PAC@PU具有优异的乳液分离性能。

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	范雷倚
	王锐
	何睿杰
	张瑞阳
	张骞
	周莹

关键词: 聚氨酯泡沫聚合氯化铝油水分离乳液

Abstract: The discharge of oily wastewater has caused serious environmental pollution, and its purification treatment has attracted widespread attention. In this work, the polyurethane foam (PU) modified by polyaluminum chloride (PAC) (PAC@PU) was prepared via in-situ foaming process. The composition structure, surface properties and oil-water separation properties of the samples were studied. The obtained PAC@PU showed outstanding hydrophobicity (hydrophobic angle of (140±3)°) and excellent physical and chemical stability. The absorption capacity of PAC@PU for pump oil reached 79.42 g·g^-1, which remained unchanged after 200 absorption-extrusion cycles. Moreover, the static separation flux and dynamic separation flux of the layered oil-water mixture were respectively 1.55×10⁶ L·m^-3·h^-1 and 3.3×10⁵ L·m^-3·h^-1 over PAC@PU. The separation efficiency of PAC@PU for oil-in-water (O/W) emulsions was as high as 86.7% and the separation flux reached 3×10⁵ L·m^-3·h^-1. Mechanism analysis showed that PAC improved the hydrophobicity and surface energy of PU, and enriched the adsorption sites of PU, thereby optimizing the ability of PU to capture the oil droplet in O/W emulsions. Overall, PAC@PU exhibits excellent emulsion separation performance.

Key words: polyurethane foam polyaluminum chloride oil-water separation emulsion

出版日期: 2022-05-10 发布日期: 2022-05-09

ZTFLH:

O648

基金资助: 国家自然科学基金石油化工联合基金(U1862111);四川省青年科技创新研究团队专项计划(2016TD0011);四川省学术和技术带头人培养基金

通讯作者: yzhou@swpu.edu.cn

作者简介: 范雷倚,2018年6月毕业于西南石油大学,获得工程学士学位。于2018年9月在西南石油大学新能源与材料学院就读硕士研究生,主要从事聚合物在水处理中的应用研究。
周莹,教授,博士研究生导师。国家百千万人才工程人选、“长江学者奖励计划”青年学者、德国洪堡学者、日本JSPS邀请学者、日本京都大学讲座教授等。2010年博士毕业于瑞士苏黎世大学(UZH)后,在苏黎世大学优秀青年基金资助下进行博士后研究,随后又在德国卡尔斯鲁厄理工学院(KIT)从事研究工作。研究团队主要从事的研究包括:氢能与硫化氢资源化利用、非常规天然气高值利用、油水分离材料、工业废气净化及资源化利用等。在科学通报、中国科学化学、Nat.Commun.,Angew. Chem. Int. Ed., ACS Catal.等期刊发表论文130余篇(其论文被正面引用4500多次,H index为40,其中13篇论文入选ESI高被引论文),授权中国发明专利12项、美国发明专利1项。获得霍英东教育基金会青年教师奖二等奖、中国石油和化学工业联合会青年科技突出贡献奖、侯德榜化工科学技术青年奖。担任国家能源新材料技术研发中心理事、四川省金属学会理事、四川省科技青年联合会常务理事、四川省青年联合会委员,以及《材料导报》《物理化学学报》《中国化学快报》,Recent Innovations in Chemical Engineering,Frontiers in Environmental Chemistry等期刊编委或青年编委。

引用本文:

范雷倚, 王锐, 何睿杰, 张瑞阳, 张骞, 周莹. 聚合氯化铝原位改性聚氨酯泡沫用于油水分离[J]. 材料导报, 2022, 36(9): 21040138-7.
FAN Leiyi, WANG Rui, HE Ruijie, ZHANG Ruiyang, ZHANG Qian, ZHOU Ying. Polyaluminum Chloride In-situ Modified Polyurethane Foam for Oil-Water Separation. Materials Reports, 2022, 36(9): 21040138-7.

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http://www.mater-rep.com/CN/10.11896/cldb.21040138 或 http://www.mater-rep.com/CN/Y2022/V36/I9/21040138

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