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Mostrando ítems 81-90 de 237
Artículo
Eliminación de los sólidos incrustados en las conducciones de agua potable de Cantillana (Sevilla)
(Elsevier, 1998)
La presencia de hierro y manganeso en las aguas subterráneas por lixiviación de las rocas puede dar problemas en el agua de distribución.La oxidación de estos metales da lugar a precipitados que modifican la calidad del ...
Artículo
Analysis of the Utilization of Air-Cooled Blast Furnace Slag as Industrial Waste Aggregates in Self-Compacting Concrete
(MDPI, 2019-03)
In this work, the effects of replacing the aggregates of self-compacting concrete by air-cooled blast furnace slag have been analysed. Different mixes have been manufactured by substituting the fine and coarse natural ...
Artículo
Experimental study on partial oxy-combustion technology in a benchscale CO2 capture unit
(Elsevier, 2019-04)
The reduction of CO2 emissions from anthropogenic sources in this century will require a higher reliance on carbon capture and storage (CCS) technologies. Post-combustion based on a regenerative chemical absorption is ...
Artículo
A five-stage treatment train for water recovery from urine and shower water for long-term human Space missions
(Elsevier B.V., 2020)
Long-term human Space missions will rely on regenerative life support as resupply of water, oxygen and food comes with constraints. The International Space Station (ISS) relies on an evaporation/condensation system to ...
Artículo
La Microscopía Electrónica de Barrido para el estudio del Patrimonio Histórico. Nueva sección del Departamento de Análisis
(Junta de Andalucía: Instituto Andaluz del Patrimonio Histórico, 2002)
El Instituto Andaluz del Patrimonio Histórico ha creado la Sección de Microscopía Electrónica de Barrido (siglas en inglés SEM) dentro del Departamento de Análisis, lo cual permite ampliar y agilizar la realización de ...
Artículo
Analysis of Required Investigations of Work-Related Musculoskeletal Disorders in Spain
(MDPI AG, 2019-05)
Musculoskeletal disorders (MSD) are the most common source of occupational health problems in Western countries. In Spain, musculoskeletal disorders (MSDs) can be reported either as accidents or occupational diseases. When ...
Artículo
Tratamiento físico-químico de las aguas ácidas vertidas tras la rotura de la balsa minera de Aznalcollar (Sevilla)
(Reed Business Information, 1999)
En este trabajo se presentan los resultados experimentales de Ios ensayos de tratamiento fisicoquímico llevados a cabo en el Grupo de Tratamiento de Aguas Residuales de la Universidad de Sevilla, con el agua vertida tras ...
Artículo
Converting CO2 from Biogas and MgCl2 Residues into Valuable Magnesium Carbonate: a Novel Strategy for Renewable Energy Production
(Elsevier, 2019-08)
In this work a novel strategy for bio-methane production and magnesium chloride waste valorization is addressed. The proposed process is a potential alternative path to the already existing biogas upgrading technologies ...
Artículo
Support material selection for anaerobic fluidized bed reactors by phospholipid analysis
(Elsevier, 2005)
Many different types of support materials are used in anaerobic fluidized bed in order to obtain high levels of biomass in the reactors. A material is usually considered the most suitable in terms of physical-chemical ...
Artículo
Determination of Polyethylene Glycols in Water by Reversed-Phase High-Performance Liquid Chromatography
(Elsevier, 1996)
This paper describes an RP-HPLC method to characterize the ozonation products of polyethylene glycols (PEGs) (general formula HO(CH 2CH 2O) n -H) with original mass 5000. Samples with different pH and ozonation times were ...