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