Search results for "sanitari"
showing 10 items of 639 documents
Carbon and nutrient biological removal in a University of Cape Town membrane bioreactor: Analysis of a pilot plant operated under two different C/N r…
2016
Abstract The effect of the carbon-to-nitrogen (C/N) ratio variation in a University of Cape Town Membrane bioreactor (UCT-MBR) was investigated. The experimental campaign was divided into two phases, each characterized by a different C/N ratio (namely, 10 and 5, Phase I and Phase II, respectively). The UCT-MBR pilot plant was analysed in terms of carbon and nutrients removal, biomass respiratory activity, activated sludge features and membrane fouling. The results highlighted that the nutrients removal was significantly affected by the decrease of the C/N ratio during the Phase II. The biological carbon removal was also affected by the low C/N value during the Phase II. Indeed, the average …
An innovative respirometric method to assess the autotrophic active fraction: Application to an alternate oxic-anoxic MBR pilot plant
2016
An innovative respirometric method was applied to evaluate the autotrophic active fraction in an alternate anoxic/oxic membrane bioreactor (MBR) pilot plant. The alternate cycle (AC) produces a complex microbiological environment that allows the development of both autotrophic and heterotrophic species in one reactor. The present study aimed to evaluate autotrophic and heterotrophic active fractions and highlight the effect of different aeration/non aeration ratios in a AC-MBR pilot plant using respirometry. The results outlined that the autotrophic active fraction values were consistent with the nitrification efficiency and FISH analyses, which suggests its usefulness for estimating the ni…
Preliminary insights about the treatment of contaminated marine sediments by means of bioslurry reactor: Process evaluation and microbiological chara…
2022
Abstract Contaminated marine sediments represent a critical threat towards human health and ecosystems, since they constitute a potential reservoir of toxic compounds release. In the present study, a bioslurry reactor was studied for the treatment of real marine sediments contaminated by petroleum hydrocarbons. The experimental campaign was divided in two periods: in the first period, microcosm trials were carried out to achieve useful indicators for biological hydrocarbon removal from sediments. The microcosm trials highlighted that the inoculum of halotolerant allochthonous bacteria provided the highest performance followed by autochthonous biomass. Based on the achieved results, in the s…
Hydrocarbons removal from real marine sediments: Analysis of degradation pathways and microbial community development during bioslurry treatment
2022
In this study, real marine sediments polluted by petroleum compounds were treated by means of a bioslurry pilot scale reactor. The treatment performance was evaluated by measuring the removal of total petroleum hydrocarbon (TPH), coupled to further analyses required to understand the mechanisms involved in the biodegradation process. The maximum TPH-removal efficiency reached 86 % at the end of experiments. Moreover, high throughput 16S RNA gene sequencing was used to describe the microbiome composition in sediment prior to, and after, bioslurry treatment, in order to identify the taxa mostly entailed in the TPH removal process. The raw sediment was mostly colonized by members of Sulfurimon…
Uncertainty in environmental and hydrological mathematical modelling
2012
Engineers are increasingly called to deal with practical problems related to water resources management, risk analysis, environmental engineering and water pollution. Providing a way forward to solve the above questions requires setting up mathematical models that are affected by uncertainty, that in many cases is relevant. In fact, the theories that are employed for providing solutions to engineer’s problems are not exact sciences: even if it is methodologically rigorous, it is incapable of producing precise results, for the presence of inherent randomness that translates in indeterminacy and therefore uncertainty. To cope with uncertainty is a challenge for scientists and practitioners, t…
La hospitalización domiciliaria: antecedentes, situación actual y perspectivas
2001
Objetivo. Determinar las distintas variantes que ha tenido el concepto de la hospitalización domiciliaria a lo largo del tiempo, para así contribuir al debate sobre las circunstancias que inciden en la gestión sanitaria frente a futuros retos. Métodos. Se revisa la literatura sobre la atención domiciliaria como modalidad asistencial de salud mediante una exploración de las publicaciones indizadas en MEDLINE, LILACS y el Índice Médico Español durante el período de 1995-2000. Resultados. La hospitalización domiciliaria ha tenido un desarrollo desigual a lo largo del tiempo en diferentes países y son varios los modelos de este tipo de atención, cada uno con sus respectivas ventajas y desventaj…
Analysis of the efficacy of an internet-based self-administered intervention ("Living Better") to promote healthy habits in a population with obesity…
2019
Este artículo se encuentra disponible en la página web de la revista en la siguiente URL: https://www.sciencedirect.com/science/article/abs/pii/S1386505618304647?via%3Dihub This is the pre-peer reviewed version of the following article: Mensorio, Marinna S., Cebolla-Martí, Ausiàs, Rodilla, Enrique, Palomar, Gonzalo, Lisón, Juan Francisco, Botella, Cristina, et al. (2019). Analysis of the efficacy of an internet-based self-administered intervention (“Living Better”) to promote healthy habits in a population with obesity and hypertension: an exploratory randomized controlled trial. International Journal of Medical Informatics, vol. 124, pp. 13-23, which has been published in final form at htt…
Profiles of Frailty among Older People Users of a Home-Based Primary Care Service in an Urban Area of Barcelona (Spain): An Observational Study and C…
2021
Background: The multidimensional assessment of frailty allows stratifying it into degrees
Desarrollo de la gestión medioambiental certificada en unidades hospitalarias y ambulatorias de hemodiálisis
2015
ResumenAntecedentesEl impacto ambiental de la hemodiálisis es destacado. Está destacando la actividad en este sentido incluso a nivel bibliográfico. Los sistemas de gestión medioambiental (SGMA) voluntarios, Environmental Management and Auditing System (EMAS) e International Organization for Standardization (ISO 14001), son instrumentos destacados para la protección medioambiental junto a legislación, impuestos y beneficios fiscales.ObjetivosConocer el grado de implantación de los SGMA en las unidades de hemodiálisis hospitalarias y ambulatorias del Sistema Nacional de Salud español, para disponer de un grupo de centros de referencia en gestión medioambiental en esta actividad sanitaria.Mét…
Servicios educativos y sanitarios elementales en el medio rural: percepción social e influencia sobre la calidad de vida
2012
One of the main characteristics of rural areas is a higher quality of life. However, the basic aspects of the social structure, e.g. the basic education and health-care services, are barely responsible for the wellbeing of the society, although the necessity of improving their offer is continually emphasised. Consequently, it is interesting to discover how the rural population actually values the capacity of these services to intervene in their quality of life. Logically, because of the diversity of spaces that constitute the rural areas, the results vary; at least that is what the analysis of the interviews of various key actors shows: while the services are crucial for the municipalities …