Adhesion of Colloids and Bacteria to Porous Media: A Critical Review

IF 3.5 Q2 Materials Science Reviews of Adhesion and Adhesives Pub Date : 2019-12-01 DOI:10.7569/raa.2019.097314

Runwei Li, Changfu Wei, Hefa Cheng, Gang Chen

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引用次数: 1

Abstract

Adhesion of colloids and bacteria to various surfaces is important for a variety of environmental phenomena including microbial biofouling and contamination prevention. Under saturated conditions, both colloids and bacteria have the opportunity to attach to porous medium surfaces. Under water unsaturated conditions or in the presence of the air-water interface, besides the porous medium surfaces, colloids and bacteria can also attach to the air-water interface, including the air-water-solid threephase interface. The magnitudes of adhesion of colloids and bacteria are correlated to the interactions of the colloids and bacteria with the surfaces, which are a function of their surface physicochemical properties. In this review, adhesion theories are revisited and adhesion of colloids and bacteria to porous media and the air-water interface is discussed. The interaction forces are quantified using various theoretical models including the DLVO models and used to interpret related adhesion. The impact of surfactants on colloid and bacterial adhesion is also discussed. The review also includes the implementation of the adhesion theory in interpreting colloid and bacterial fate and transport in the subsurface soil.

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胶体和细菌对多孔介质的粘附:综述

胶体和细菌对各种表面的粘附对于各种环境现象，包括微生物生物污垢和污染预防都是重要的。在饱和条件下，胶体和细菌都有机会附着在多孔介质表面。在水不饱和条件下或存在气-水界面时，除多孔介质表面外，胶体和细菌也可以附着在气-水-固三相界面上。胶体和细菌粘附的大小与胶体和细菌与表面的相互作用有关，这是它们表面物理化学性质的函数。本文回顾了粘附理论，讨论了胶体和细菌对多孔介质和空气-水界面的粘附。使用包括DLVO模型在内的各种理论模型对相互作用力进行了量化，并用于解释相关的粘附力。讨论了表面活性剂对胶体和细菌粘附的影响。综述了粘附理论在解释胶体和细菌在地下土壤中的命运和运输中的应用。

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Reviews of Adhesion and Adhesives MATERIALS SCIENCE, MULTIDISCIPLINARY-

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期刊介绍： With the explosion of research activity and reports, the need for concise and critical reviews of topics of contemporary research interest is manifest. Reviews of Adhesion and Adhesives (RAA) provides in-depth, incisive, illuminating and thought-provoking reviews written by subject matter experts covering all aspects of adhesion science and adhesive technology. Each review will be imbued with the author’s experience so that the reader will be able to assimilate the research in the area discussed easily and will be able to apply it in practice.The journal has relevance to a myriad of industries including textiles, printing, coatings, aerospace, medical, nanotechnology, biotechnology, building and construction, and microelectronics. The topics to be covered include, but not limited to, basic and theoretical aspects of adhesion; modeling of adhesion phenomena; mecha¬nisms of adhesion; surface and interfacial analysis and characterization; unraveling of events at interfaces; characterization of interphases; adhesion of thin films and coatings; adhesion aspects in reinforced composites; formation, characterization and durability of adhesive joints; surface preparation methods; polymer surface modification; biological adhesion; particle adhesion; adhesion of metallized plastics; adhesion of diamond-like films; adhesion pro¬moters; contact angle, wettability· and adhesion; superhydrophobicity and superhydrophilicity. With regard to adhesives, RAA will include, but not limited to, green adhesives; novel and high-performance adhesives; and medical adhesive applications.