Ana M Blanco-Marigorta

Ana M Blanco-Marigorta
Universidad de Las Palmas de Gran Canaria | ULPGC · Department of Process Engineering

PhD. Chemistry; MEng Energy Engineering

About

46
Publications
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Introduction
Ana M Blanco-Marigorta currently works at the Department of Process Engineering, Universidad de Las Palmas de Gran Canaria. Ana M does research in the application of Exergy methods (conventional and advanced exergoeconomic and exergoenvironmental analysis) to energy systems.

Publications

Publications (46)
Article
Gas turbine output has a very good capability for heat recovery and increases production capacity by heat recovery steam generator and heat recovery vapor generator. Also, gas turbines have good potential for coupling with a solid oxide fuel cell to increase power generation. The present research proposes and evaluates a novel combination of a soli...
Article
The integrated production of biofuels from agro-industrial wastes is increasing around the world. The thermodynamic performance and economic analysis of these processes have become topics of interest given the need to reduce the cost of biofuels and their impact on the environment. This study develops a simulation of the production process of synga...
Article
Full-text available
This paper deals with the exergy analysis of two experimental prototypes consisting of indirect evaporative cooling systems with different constructive characteristics. Both prototypes have been designed and manufactured in the Thermal Engineering Laboratory of the University of Valladolid. They are made of polycarbonate hollow panels of different...
Article
This paper deals with the key aspects of the exergy analysis of H2O/LiBr absorption refrigeration cycles where, instead of agreement, disparity of opinion exists among researchers. As a result, comparisons with the literature are often difficult or meaningless. Based on an in-depth literature review, the key issues highlighted were: a) the identifi...
Article
Full-text available
This research study focuses on the evaluation of the total phenolic compounds (TPC) and antioxidant activity (AOA) of strawberries according to different experimental extraction conditions by applying the Artificial Neural Networks (ANNs) technique. The experimental data were applied to train ANNs using feed- and cascade-forward backpropagation mod...
Article
Solar collectors are active solar devices which help reducing the energy consumption in buildings. In this paper, a real installation of solar collectors is analysed under different collector array configurations. Also, both energetic and exergetic analyses have been developed, for both general balance and specific variables. To apply these analyse...
Article
In this paper, the simultaneous production of power and freshwater by the integration of a gas turbine (GT), a supercritical carbon dioxide (S-CO2) cycle, an organic Rankine cycle (ORC) and a reverse osmosis (RO) desalination unit is proposed. The S-CO2 and the ORC are bottoming cycles that recover the waste heat from the exhaust gases of the GT. A...
Chapter
The advanced exergoeconomic analysis performed on different industrial processes is used to determine the avoidable exergy destruction and inversion cost rates in order to increase the rentability and sustainability of a factory. This study focuses on the performance of an advanced exergoeconomic analysis of a double effect evaporation process (DEE...
Article
Full-text available
Instant coffee is produced worldwide by spray drying coffee extract on an industrial scale. This production process is energy intensive, 70% of the operational costs are due to energy requirements. This study aims to identify the potential for energy and cost improvements by performing a conventional and advanced exergy and exergoeconomic analysis...
Article
Full-text available
In this paper, an experimental and theoretical investigation is performed on a novel water desalination system based on a humidification–dehumidification technique using a heat pump. An ultrasonic water atomizer is used in the humidification process in order to improve the humidification system. In addition to that, a new configuration is employed...
Conference Paper
The Canary Islands have adapted to the energy transition with an isolated electricity system for each island and a high dependence on fossil fuels. We believe that the island of Gran Canaria has a high probability of developing several hydroelectric energy storage plants. At the moment, the hydroelectric power station (HPS) Chira-Soria is in a publ...
Article
In this study, an optimal design and analysis of an integrated internal reforming Solid Oxide fuel cell (IRSOFC) - Gas Turbine (GT) – Organic Rankine Cycle (ORC) system are investigated. R407C and R404A as ORC working fluids are used to produce the additional power based on the recovery of the flue gases in the ORC. A thermodynamic simulation of th...
Article
Full-text available
Technological innovations are not enough by themselves to achieve social and environmental sustainability in companies. Sustainable development aims to determine the environmental impact of a product and the hidden price of products and services through the concept of radical transparency. This means that companies should show and disclose the impa...
Article
This paper deals with the design and configuration of a thermal solar installation adapted to a hotel complex in the south of the island of Gran Canaria (Canary Islands, Spain). The solar collectors are concentration cylinder parabolic of small dimension. The design and calculations are principally performed in order to study the viability of the t...
Article
Full-text available
Purpose Most LCAs estimate environmental impacts for a specific situation (industry, sector or location) in a generic way, without considering the specific characteristics of the product or service being evaluated. This paper outlines the relevance of the use of parameters and scenarios in environmental assessment for a daily newspaper considering...
Article
Full-text available
A solar cooling system with an optimized air-cooled double-effect water/LiBr ab-sorption machine is proposed as a sustainable alternative to meet cooling de-mands in dry hot climates. This system allows eliminating the cooling towers in those regions of the planet where water is scarce. This work analyses the envi-ronmental benefits of this air-coo...
Article
Exergetic efficiency characterizes the performance of a system or a system component from the second-law of Thermodynamics viewpoint. Although this parameter can be used in the comparison of the operation of similar components working under similar conditions, there are not many articles in the literature dealing with this purpose. In this paper, a...
Article
Different approaches for formulating exergetic efficiency in desalination plants are suggested in literature. In this work these formulations, applied to the reverse osmosis technology, are compared and critically reviewed. As a case study, a reverse osmosis desalination plant in operation has been considered. A key factor is the proper definition...
Article
Solar chimneys are passive solar devices, which improve natural building ventilation. A detailed exergetic analysis has been developed in this work, both for general balance and specific variables. To apply this analysis, a three-dimensional CFD model has been built and validated with bibliographic experimental data. The values of the variables hav...
Article
Faced with the challenge of meeting high water and energy demands with no conventional energy resources and a lack of potable water, the Canary Islands have been using desalination plants for nearly 50 years. The first desalination plant in Europe was installed in 1964 in Lanzarote. Today, desalination capacity in the islands stands at over 600,000...
Article
In this paper an exergo-environmental analysis of a reverse osmosis desalination plant in Gran Canaria (Canary Islands, Spain) has been performed using real plant operation data. The plant has a nominal capacity of 82,000 m3/day. Different configurations are possible depending on the energy recovery, the reverse osmosis stages, the filtration techn...
Article
Full-text available
In this article, a new procedure was introduced for the optimal design of utility system in process industries. This method was based on the development of the R-curve concept and a new cogeneration targeting through estimating costs, environmental impacts, exergoeconomic, and exergoenvironmental analyses. In the exergoenvironmental analysis, the e...
Article
As fossil fuels are depleting day by day, it is necessary to find an alternative fuel to fulfill the energy demand of the world. Biodiesel is considered as an environmentally friendly renewable diesel fuel alternative. The interest in using Jatropha curcas as a feedstock for the production of biodiesel is rapidly growing. On the one hand, J. curcas...
Article
Central site utility of process industries can produce steam at different levels and the excess steam can be used to produce the desalinated water simultaneously. This paper presents the potential of total site process integration and exergoeconomic optimization to find optimal coupling between central site utility system and multi stage flash (MSF...
Conference Paper
In this paper, a new procedure has been introduced for optimal design of utility system in process industries. This method is based on the development of the R-curve concept by using estimation of costs, environmental impacts and exergoeconomic analysis. This new method can be applied for synthesis of site utility system in grassroot problems. In a...
Article
Steam methane reforming (SMR) is one of the most promising processes for the production of hydrogen. Therefore, the overall thermodynamic efficiency of this process is of particular importance. The thermodynamic inefficiencies in a thermal system are related to exergy destruction and exergy loss. However, a conventional exergetic analysis cannot ev...
Article
This paper investigates the environmental aspects of a steam methane reformer technology and highlights the potential for improving the reformer through a conventional and an advanced exergoenvironmental analysis. An exergoenvironmental analysis is a complex analysis based on a combination of an exergetic analysis and a Life Cycle Assessment (LCA)....
Conference Paper
Full-text available
In this paper a collaborative experience towards the development of a new joint master degree is presented. The design of the curriculum has as main pillars: a) to provide an interdisciplinary view and approach to advanced water treatment solutions, and b) the development of the curriculum is done according to the new challenges for Higher Educatio...
Article
Exergetic analysis is without any doubt a powerful tool for developing, evaluating and improving an energy conversion system. In the present paper, two different cooling technologies for the power cycle of a 50MWe solar thermal power plant are compared from the exergetic viewpoint. The Rankine cycle design is a conventional, single reheat design wi...
Article
Steam methane reforming (SMR) is one of the most promising processes for hydrogen production. Several studies have demonstrated its advantages from the economic viewpoint. Nowadays process development is based on technical and economical aspects; however, in the near future, the environmental impact will play a significant role in the design of suc...
Article
Exergy analysis is, without any doubt, a powerful tool to develop, to evaluate and to improve a thermal, chemical and metallurgical process. In this work an exergetic study of a titanium manufacturing process from Rutile is carried out. The process consists of two fundamental stages: in the first stage the chloration of the mineral produce TiCl4; i...
Conference Paper
In this paper, a steam methane reforming (SMR) process for the production of hydrogen is studied. The process is based on two chemical reactions (reforming and water-gas-shift reaction). For each component but especially focusing on the chemical reactors, the avoidable part of the exergy destruction is estimated. The assumptions required for these...
Article
This paper presents the exergoeconomic analysis of a novel process generating electric energy and hydrogen. Coal and high-temperature heat are used as input energy to the process. The process is a true “zero-emission process” because (a) no NOX is formed during coal combustion with sulfuric acid, and (b) the combustion products CO2 and SO2 are remo...
Article
A novel process generating hydrogen and electric power with very high efficiency and integrated CO2 capture has been developed. Thermal energy from a high-temperature (about 900°C) nuclear reactor (HTNR) and a solid carbonaceous fuel (coal) are used as input energy to the process. The process is a true "zero emission process" because (a) no NOX is...
Article
Vapor−liquid equilibrium data for binary systems containing methanol and ethyl esters, from methanoate to butanoate, are measured in a small recirculating still at 141.3 kPa and reported. Employing the same equilibrium still, the experimental vapor pressures are obtained for the ethyl esters considered here and correlated with a suitable equation....
Article
Isobaric vapor-liquid equilibrium data at 141.3 kPa for the mixtures of methanol with n-pentane and n-hexane are reported. The miscibility of methanol + n-hexane is also measured in order to get the UCSP (upper critical solubility point), then the experimental curves of vE are obtained at temperatures with total miscibility. The equilibrium data ar...
Article
Full-text available
Isobaric vapor−liquid equilibrium data at 141.3 kPa for the binary systems methanol + methyl ethanoate, +methyl propanoate, and +methyl butanoate are presented. All mixtures show positive deviations from ideality but only the mixtures methanol + methyl ethanoate and methanol + methyl propanoate show a minimum temperature azeotrope. The results are...
Article
The paper reportsh E values at 298.15 K andv E and δη values at various temperatures for binary mixtures of propyl or butyl benzoate andn-heptane. The excess Gibbs energy of viscous flow,Δg *E, and the thermodynamic activation properties were calculated from these values. The results are compared with those for similar mixtures and interpreted on t...
Article
Densities and viscosities have been determined for the two binary mixtures of methyl and ethyl benzoate in n-heptane at different concentrations and temperatures. The corresponding excess properties and the activation magnitudes were also calculated from the experimental data. All excess properties, including the excess Gibbs free energy of activat...
Article
Full-text available
This work describes and analyses the Rankine cycle of the 50 MW parabolic trough power plant Andasol 1 in the Spanish region of Andalusia, a prime example of the use of solar energy for electricity generation. By means of an exergoeconomic analysis, all components of the thermal plant are considered individually. Thermodynamic inefficiencies within...

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