Sustainable energy for plastic industry plant

Galvao, J.; Moreira, Licínio M.; Leitão, Sérgio; Silva, Elson; Neto, Mário Mollo

doi:10.1109/iyce.2013.6604193

Cited by 5 publications

(7 citation statements)

References 7 publications

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“…The closed-loop configuration represents the best air distribution system layout, saving up to 12% of power requirements [42,48,57]. Moreover, the installation of a common header enables compressors to work together, taking advantage of load sharing.…”

Section: Installation Of New Equipmentmentioning

confidence: 99%

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Identification and Categorization of Factors Affecting the Adoption of Energy Efficiency Measures within Compressed Air Systems

2020

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Understanding the factors driving the implementation of energy efficiency measures in compressed air systems is crucial to improve industrial energy efficiency, given their low implementation rate. Starting from a thorough review of the literature, it is thus clear the need to support companies in the decision-making process by offering an innovative framework encompassing the most relevant factors to be considered when adopting energy efficiency measures in compressed air systems, inclusive of the impacts on the production resources and the operations of a company. The framework, designed following the perspective of the industrial decision-makers, has been validated, both theoretically and empirically, and preliminarily applied to a heterogeneous cluster of manufacturing industries. Results show that, beside operational, energetic, and economic factors, in particular contextual factors such as complexity, compatibility, and observability may highlight critical features of energy efficiency measures whose absence may change the outcome of a decision-making process. Further, greater awareness and knowledge over the important factors given by the implementation of the framework could play an important role in fostering the implementation of energy efficiency measures in compressed air systems. The paper concludes with further research avenues to further promote energy efficiency and sustainability oriented practices in the industrial sector.

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Section: Installation Of New Equipmentmentioning

confidence: 99%

“…• Heat exchangers are easier to install with respect to a change in the compressor air intake, but they require more space [37,38]. [37,38,57]…”

Section: Installation Of New Equipmentmentioning

confidence: 99%

Identification and Categorization of Factors Affecting the Adoption of Energy Efficiency Measures within Compressed Air Systems

2020

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“…Source: Author's own elaboration Another objective of this new energy model was to fulfil the total energy demand of the library with incident solar radiation and feed any remaining electricity production into the grid (Galvão, Moreira, Leitão, Silva and Neto, 2013;Galvão, Moreira, Gaspar, Vindeirinho and Leitão, 2013). This power supply to the grid must be integrated into the smart grid concept for a sustainable process, taking into consideration environmental, economic, and energy aspects, maintaining high power quality levels and reducing power disturbances in any context (Moreira et al, 2014).…”

Section: Energy Models Studiedmentioning

confidence: 99%

Energy system retrofit in a public services building

Galvao

Moreira

Gaspar

et al. 2017

MEQ

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Purpose Taking into account the current relevance of the concept of smart city connected with the Internet of Things, this work aims to study the implementation of this concept by applying a new energy model in an existing public building. The purpose of this paper is to enhance the sustainability and energy autonomy of the building. Design/methodology/approach The building referred to in the case study is a library, and simulations related to the ongoing study are based on an energy audit, comprising a survey on electrical and thermal energy consumption. The innovative proposed model consists of a mix of energy production processes based on photovoltaic panels and biomass boilers. Economic analysis of the energy model has already yielded some results regarding the payback on investment, as well as avoided emissions in the context of development of a low-carbon economy with avoided emissions and socioeconomic advantages. Findings It is possible to enhance the sustainability of the library studied by the retrofit of the current energy system. With the integration of photovoltaic panels and the conversion or replacement of boilers from natural gas to biomass, the GHG emissions could drop around 121 t CO2 per year. Another benefit would be the inclusion of endogenous resources over imported energy resources. The payback period for the measures proposed ranges from 2.5 to 8 years, proving that the increase in environmental sustainability is viable. Originality/value The intention here is to implement the concept of smart city, in more sustainable buildings, bringing them to the lowest possible energy consumption levels, hence increasing performance and comfort. Also, taking into account that the energy-consuming buildings are already constructed, it is urgent to reconvert them to lower the use of energy and emissions using technologies based on renewable energy, boosting the use of local resources.

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“…These case studies included, among others, plastic and mould industries, public library, sports hall, museum, comprising a vast diversity of data (numerical data; thermal images) to be processed. Here, the cloud technology can play an important role in data processing and in the dissemination of results [6], [7], [8] and [9].…”

Section: Motivation Of the Workmentioning

confidence: 99%

Use of Web Based Meters to Improve Energy Efficiency and Power Quality in Buildings

Moreira

Leitão

Vale

et al. 2015

IFIP Advances in Information and Communication Technology

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During the work conducted, several buildings were analysed, in terms of energy efficiency and power quality. Two case studies are here presented: an educational building and a museum. Most of the studies were conducted recurring to traditional measurement equipment, forcing the person to travel to the site to install equipment and every time he wanted to collect data. But one of the case studies, the museum, comprised the development of an analyser (hardware and software) able to measure electric energy, temperature and humidity. This analyser has the capability to register values on a database available in the internet and issue warnings to the building manager. This allows real-time information, supporting some energy efficiency actions. The objective is to improve this model and expand its use for several buildings, providing savings in terms of time and other resources, taking advantage of cloud-based systems.

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Sustainable energy for plastic industry plant

Cited by 5 publications

References 7 publications

Identification and Categorization of Factors Affecting the Adoption of Energy Efficiency Measures within Compressed Air Systems

Identification and Categorization of Factors Affecting the Adoption of Energy Efficiency Measures within Compressed Air Systems

Energy system retrofit in a public services building

Use of Web Based Meters to Improve Energy Efficiency and Power Quality in Buildings

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