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Author: search.filters.author.Claudia Sandoval-YáñezSubject: search.filters.subject.sustainability

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    Item type:Publication,
    A Systematic Literature Review on the Use of Clays for Arsenic Removal
    (MDPI AG, 2025-05-07)
    Lorenzo Reyes-Bozo
    ;
    Eduardo Vyhmeister
    ;
    Gabriel G. Castane
    ;
    Juan Chirinos
    ;
    Jeannette Zárraga
    Arsenic contamination in water remains a critical global challenge, particularly in rural and resource-limited regions. Clays have been widely studied as cost-effective and efficient adsorbents for arsenic removal. This systematic review provides a comprehensive analysis of the application of clays in arsenic adsorption, focusing on clay types, operational units, and study methodologies. The review classifies the adsorption mechanisms, highlights key factors influencing adsorption performance—such as pH, ionic strength, and surface modifications—and examines the effectiveness of various modifications. Furthermore, the study categorizes adsorption research into kinetic, iso-thermal, thermodynamic, and efficiency studies, providing insights into the state of the art and the experimental conditions that govern arsenic removal. It also discusses the scalability and practical application of clay-based adsorption technologies, emphasizing gaps in field validation, regeneration studies, and large-scale implementation. The findings highlight the potential of natural and modified clays in arsenic remediation, while underscoring the need for further research to optimize adsorption conditions and enhance sustainability in water treatment systems.
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    Item type:Publication,
    Electromobility in Forest Transport. Is It Feasible? Perceptions Regarding Implementation in the Chilean Industry
    (2022)
    Sebastián Larenas-Barra
    ;
    Luis Méndez-Dedes
    ;
    VALDÉS GONZÁLEZ, HÉCTOR MOISÉS  
    ;
    Lorenzo Reyes-Bozo
    ;
    Claudia Sandoval-Yáñez
    This paper examines the different impressions and perspectives related to the implementation of electromobility in log transportation via trucks with a load capacity of up to 45 tons in the forestry sector of the eighth and sixteenth regions of Chile. The objective of this work is to establish the critical variables identified and perceived by key stakeholders of the forestry industry the correct implementation of high tonnage electric trucks. To this effect, a qualitative methodological study with a non-experimental design is proposed, which is based on semi-structured interviews conducted with stakeholders of the forestry sector of the study area. A convenience sample is employed, which was applied to four businessmen in the sector, three executives from the main forestry companies, and two truck distributor representatives. The data show that there is currently little knowledge due to the lack of specific projects and platforms for disseminating information that consider this technology in the field, but, on the contrary, they show a willingness to implement pilot plans aiming for the perceived economic sustainability of electromobility. A concentration of critical aspects is evidenced, which must be addressed in order to implement electromobility in forest transport, and which, given handling by public-private work, would enable the sector and the country to obtain the economic and environmental benefits of this technology.
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