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The Special Issue, "Nanomaterials for Environmental Purification and Energy Conversion", describes the significant and increasing role of nanomaterials in catalysis. It is believed that the most important factor for future human development could be to use nanomaterials (nanotechnology) to solve such critical issues facing humanity such as environment, water and energy. It should be also pointed out that properties of nanomaterials differ substantially from that of bulk materials of the same composition, resulting in high reactivity. Therefore, it creates new perspectives for the catalytic processes in the broad sense. This issue was mainly dedicated as a platform for the contributions from The Symposium on Nanomaterials for Environmental Purification and Energy Conversion (SNEPEC), which was held in Sapporo, Japan in winter 2018. Accordingly, this book compiles the current state-of-the-art of research in the area of novel photocatalysts and highlights current research directions in the fields of advanced oxidation technologies, material science and nanotechnology. Written by leading experts in the field of photochemistry and chemical engineering, a collection of 17 papers, including 16 research papers and one review, covers a broad range of topics focusing on the exceptional role of catalytic nanomaterials in solving environmental and energy problems of modern societies. The majority of papers present the importance of photocatalytic nanomaterials, especially for degradation of organic pollutants and inactivation of microorganisms, but there is also a strong representation of conventional catalysis, based on nanomaterials for important processes such as catalytic hydrogen production and organic synthesis.

Environmental engineering.

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This Special Issue on Antimicrobial Resistance in Environmental Waters features 11 articles on the monitoring and surveillance of antimicrobial resistance (AMR) in natural aquatic systems (i.e., reservoirs, rivers), and effluent discharge from water treatment plants to assess the effectiveness of AMR removal and resulting loads in treated waters. Some of the key elements of AMR studies presented in this Special Issue highlight the underlying drivers of AMR contamination in the environment and the evaluation of the hazard imposed on aquatic organisms in receiving environments through ecological risk assessments. As described in this Issue, screening antimicrobial peptide (AMP) libraries for biofilm disruption and antimicrobial candidates are promising avenues for the development of new treatment options to eradicate resistance.

Environmental engineering.

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This reprint focuses on the hot issue of bearing lubrication and thermal analysis, and brings together many cutting-edge studies, such as bearing multi-body dynamics, bearing tribology, new lubrication and heat dissipation structures, bearing self-lubricating materials, thermal analysis of bearing assembly process, bearing service state prediction, etc. The purpose of this reprint is to explore recent developments in bearing thermal mechanisms and lubrication technology, as well as the impact of bearing operating parameters on their lubrication performance and thermal behavior.

Environmental engineering --- Mechanical engineering.

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This book presents the most recent advances related to the thermal energy storage system design and integration in buildings. Additionally, modelling, application, synthetization, and characterization of energy efficient building materials is also considered.

Buildings --- Energy conservation. --- Environmental engineering.

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Cet ouvrage est le fruit de l’une des premières « expertises collégiales » coordonnées par l’Institut de recherche pour le développement (IRD). Il fait le bilan des connaissances sur la présence, préoccupante, du mercure en Amazonie, sur ses effets sur l’environnement et la santé. Il se conclut par un certain nombre de recommandations opérationnelles. Il existe deux modes spécifiques de contamination humaine par le mercure : l’exposition des travailleurs de l’or (orpailleurs ou raffineurs) aux vapeurs de mercure dégagées lors des opérations d’enrichissement du minerai aurifère et de purification des lingots ; l’exposition de la population à un dérivé du mercure, le méthylmercure, principalement par la consommation de poissons eux-mêmes contaminés. Le premier mode, direct, de contamination peut entraîner des troubles de la santé du fait d’expositions prolongées et répétées. Ceux-ci concernent les voies respiratoires, le système gastro-intestinal et le système nerveux central, ce dernier pouvant être l’objet d’altérations irréversibles. Le caractère souvent clandestin et précaire des activités d’orpaillage ne favorise pas l’usage de techniques qui éviteraient ou du moins réduiraient cette contamination. La seconde forme d’exposition est beaucoup plus difficile encore à maîtriser. La méthylation du mercure, issu de l’orpaillage mais aussi contenu dans les sols à l’état « naturel », relève d’activités bactériennes dans des milieux aquatiques privés d’oxygène et riches en matière organique. L’exportation du mercure est facilitée par la déforestation – les sols dénudés favorisent sa libération – et par l’aptitude de ce métal à se complexer aux fines suspensions argilo-organiques véhiculées par les eaux. La contamination des poissons est l’étape suivante de la chaîne de transfert vers l’homme : comme, pour beaucoup de populations amazoniennes, leur consommation représente la source essentielle de protéines, elle constitue un agent d’exposition quasi quotidienne au…

Civil & Environmental Engineering --- Engineering & Applied Sciences --- Environmental Engineering --- Ecology --- Amazonia --- Mercury pollution