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[ES] Tuawa es una empresa cuya actividad principal es la comercialización de filtros de agua. El objeto de este TFG es caracterizar los clientes de Tuawa y el proceso de compra. La base de datos de dicha empresa se ha construido con personas que han mostrado interés por el producto a través de algún canal de marketing, y por ello, han sido registrados en la misma. Sin embargo, unos han terminado comprando el producto y otros no. Cada uno de estos registros que corresponden a un potencial cliente se denomina Lead. Utilizando el lenguaje de programación R, se modeliza la predicción de los leads que finalizan la compra. En consecuencia, se obtiene el perfil de las personas que compran el producto y de los que no. Gracias a análisis descriptivos y al desarrollo de modelos de inteligencia de negocios se busca comprender el comportamiento de ambos grupos y realizar previsiones sobre las características que harán de un Lead un cliente en el futuro. De esta manera, se diseña un proceso de ayuda para la toma de decisiones de la empresa, intentando así dirigir la venta de los productos al perfil adecuado de cliente., [EN] Tuawa´s main activity is the commercialization of drinkable water filters and it´s the company in which this study focuses on. In fact, this final thesis aims at characterizing its customers and the purchasing process. Tuawa´s database is built with people who has shown interest in the product through any of the marketing channels. Nevertheless, some of them end up purchasing it and some others don´t. Every record of the database corresponds to a potential customer, a Lead. Using R´s programming language, leads buying prediction is modelled. As a result, customers and non-customers profiles are developed. Based on descriptive analysis and business intelligence modelling, we seek to understand the behavior of both groups of individuals and project the characteristics that will make from a lead a customer of the future. By doing so, a decision-support process is designed, thus offering the product to the right customer profile.

The impact of the modernization of the water systems was assessed through microbiological screening of the flowing water for Legionella Neumophila at Juan Ramón Jiménez Hospital in Huelva. As a consequence of the high number of this microorganism detected in previous periodic creenings, despite quite frequent chlorine-based and thermal disinfections, the decision was taken to substitute the original hot and cold water distribution pipes of galvanized steel for others with a higher spectrum of resistance to chemicals. Thus, 316L stainless steel and cross-linked polythene became the obvious choice, also considering the fact that they are less prone to biofilm formation. Similarly, water filters were placed at the hospital’s general water intake point and at the hot water inlet facilities. New hot water storage devices were assembled. In this paper, information is provided on their layout and the building materials used. Considerations are presented on the most appropriate kind of materials to minimize the risks of bacterial proliferation. The implementation of the measures described in this paper has resulted in a drastic decrease of Legionella Neumophila population in flowing water.

The impact of the modernization of the water systems was assessed through microbiological screening of the flowing water for Legionella Neumophila at Juan Ramón Jiménez Hospital in Huelva. As a consequence of the high number of this microorganism detected in previous periodic creenings, despite quite frequent chlorine-based and thermal disinfections, the decision was taken to substitute the original hot and cold water distribution pipes of galvanized steel for others with a higher spectrum of resistance to chemicals. Thus, 316L stainless steel and cross-linked polythene became the obvious choice, also considering the fact that they are less prone to biofilm formation. Similarly, water filters were placed at the hospital’s general water intake point and at the hot water inlet facilities. New hot water storage devices were assembled. In this paper, information is provided on their layout and the building materials used. Considerations are presented on the most appropriate kind of materials to minimize the risks of bacterial proliferation. The implementation of the measures described in this paper has resulted in a drastic decrease of Legionella Neumophila population in flowing water.

This initiative of research and extension was born from a presentation of the project entitled Combined water collection, waste treatment, and anaerobic digestion energy provision system for ecotourism in rural Costa Rica. The project was awarded by the Environmental Protection Agency of the E.E.U.U. at the Sustainable Design Expo 2015 in Alexandria, Virginia, United States. The objective of the project was to integrate technologies that promotes the use of sustainable practices to solve problems of access to drinking water and poor management of solid and liquid wastes that some tourist shelters have in the Bribri indigenous territory, Costa Rica. The work was carried out under the Participatory Action Research (PAR). The main outcomes of the project were: 1) a tourist lodge with an integrated pilot system of water purification and solid and liquid waste treatment combining technologies such as filtration, anaerobic digestion and constructed wetlands, and 2) an environmental education and awareness-raising strategy in tourist lodges and educational centers, with a focus on solid waste management, food security and climate change. Esta iniciativa de investigación y extensión nació a partir de una ponencia del proyecto titulado Combined water collection, waste treatment, and anaerobic digestion energy provision system for ecotourism in rural Costa Rica. El proyecto fue premiado por la Agencia de Protección Ambiental de los E.E.U.U. en el Sustainable Design Expo del 2015 en Alexandria, Virginia, Estados Unidos. El proyecto tuvo como objetivo integrar tecnologías que promuevan el uso de prácticas sostenibles para resolver problemas de acceso de agua potable y mal manejo de residuos sólidos y líquidos que tienen algunos albergues turísticos en el territorio indígena bribri, Costa Rica. El trabajo se realizó bajo el enfoque de Investigación Acción Participativa (IAP). Los principales resultados fueron: 1) un albergue turístico con un sistema piloto integral de purificación de agua y tratamiento de aguas negras a partir la combinación de tecnologías como filtración, digestión anaeróbica y humedales artificiales, y 2) una estrategia de educación ambiental y sensibilización en albergues turísticos y centros educativos, con un enfoque en manejo de residuos sólidos, seguridad alimentaria y cambio climático.