Modification of stability properties of yttrium(III) oxide particles by simultaneous adsorption of poly(acrylic acid) and poly(ethylene glycol) for possible applications in wastewater treatment

IF 4.2 4区环境科学与生态学 Q2 ENGINEERING, ENVIRONMENTAL Clean Technologies and Environmental Policy Pub Date : 2023-11-09 DOI:10.1007/s10098-023-02627-8

Małgorzata Wiśniewska, Karolina Herda, Teresa Urban, Piotr Nowicki, Agnieszka Woszuk

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Abstract

Abstract The adsorption, electrokinetic and stability properties of yttrium(III) oxide—Y 2 O 3 in mixed solutions of macromolecular compounds were investigated. The interfacial behavior of poly(acrylic acid)-PAA and poly(ethylene glycol)—PEG in single and binary systems was examined in the pH range 3–10. The polymers used were characterized by different ionic nature—the PAA is an anionic polymer, whereas PEG belongs to the group of non-ionic polymers. Based on the results obtained, the most probable mechanisms for the binding of PAA and PEG macromolecules on the yttrium(III) oxide surface were proposed. In addition, the analysis of adsorption and electrokinetic data enabled explanation of the obtained changes in the stability of Y 2 O 3 suspensions without and in the presence of PAA or/and PEG, as well as determination of the specific stabilization-destabilization mechanisms of the studied systems. It was shown that yttrium(III) oxide modification by mixed adsorption layers of both polymers with different ionic character changes considerably the surface and stability properties of the examined solid suspensions. Graphical Abstract

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同时吸附聚丙烯酸和聚乙二醇对氧化钇颗粒稳定性的影响及其在废水处理中的应用

摘要研究了氧化钇- y2o3在大分子化合物混合溶液中的吸附、电动力学和稳定性。在3 ~ 10的pH范围内，研究了聚丙烯酸-PAA和聚乙二醇-PEG在单、二元体系中的界面行为。所使用的聚合物具有不同的离子性质，PAA是阴离子聚合物，而PEG属于非离子聚合物。在此基础上，提出了PAA和PEG大分子在氧化钇表面结合的最可能机制。此外，吸附和电动力学数据的分析可以解释在没有或存在PAA或/和PEG的情况下得到的y2o3悬浮液稳定性的变化，以及确定所研究体系的特定稳定-不稳定机制。结果表明，不同离子性质的两种聚合物的混合吸附层对氧化钇的改性显著地改变了固体悬浮液的表面和稳定性。图形抽象

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来源期刊

Clean Technologies and Environmental Policy 环境科学-工程：环境

CiteScore

8.10

自引率

7.00%

发文量

179

审稿时长

8 months

期刊介绍： This journal publishes papers that aid in the development, demonstration, and commercialization of cleaner products and processes as well as effective environmental policy strategies. As its title suggests, the journal has two major thrusts: Clean Technologies and Environmental Policy. The Clean Technology thrust addresses the science and engineering of clean technologies. Moreover, it examines mathematical and computer-based methods and models for designing, analyzing, and measuring the cleanliness of products and processes. The Environmental Policy thrust covers research advances in scientific, social, behavioral, and economics disciplines that are relevant to complex environmental policy issues. In addition to research papers, the journal offers policy-oriented commentaries from world renowned leaders in environmental technology and policy research. It also features special issues focusing on topics of international concern.