Armando Caldeira-Pires

Exergy loss and optimization in Brazilian urban wastewater treatment: A study of the urban water-exergy-environment nexus

Giulia Cruz Lamas, Darío Gerardo Fantini, Mario Siqueira, Sérgio Botelho de Oliveira et autres

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Multiparameter optimization of torrefaction for achieving carbon-negative biocoal: integrating quality parameters, thermodynamics, and environmental performance

Giulia Cruz Lamas, Thiago da Silva Gonzales, Simone Monteiro, Pedro Paulo de Oliveira Rodrigues et autres

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The use of gamification to improve the sustainability of energy consumption

João Poças Martins, Tiago Luz, Pedro F. Pereira, Vitor Fernão Pires et autres

The unsustainable use of resources (water, gas, and electricity) contributes to the intensification of global warming. On the other hand, the indiscriminate use of electrical resources poses serious problems to the sustainability and operability of the power grid. One of the solutions …

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Optimal sizing of renewables-to-hydrogen systems in a suitable-site-selection geospatial framework: The case study of Italy and Portugal

Leonardo Vidas, Rui M. G. Castro, Alessandro Bosisio, Armando Caldeira-Pires

Growing renewable energy deployment worldwide has sparked a shift in the energy landscape with far-reaching geopolitical ramifications. Hydrogen’s role as an energy carrier is central to this change, facilitating global trade and the decarbonisation of hard-to-abate sectors. This analysis offers a new …

Interactions between a circular city and other sustainable urban typologies: a review

Maria Cristina Pegorin, Armando Caldeira-Pires, Emília de Oliveira Faria

Abstract Urban systems play a central role in the transition to the circular economy, and cities' role in consumption makes them essential for sustainable development. The transition to a circular city can help urban centers become consumers of waste and generators of …

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Environmental and sustainability aspects in public procurements: perceptions of the Brazilian public sector

Jefferson Alves Lopes, Armando Caldeira-Pires

In general, government procurement accounts for between 10% and 16% of a country's gross domestic product (GDP), making it an important part of the economy.Therefore, government procurement policies should be discussed in terms of sustainable consumption and production patterns.However, imprecision and lack …

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Estudo comparativo da produção científica sobre consumo associado à sustentabilidade em quatro países: Reino Unido, Estados Unidos, China e Brasil

Fernanda Santana De Oliveira, Armando Caldeira-Pires, Elimar Pinheiro do Nascimento

Este estudo compara a produção científica sobre consumo no contexto do desenvolvimento sustentável associada a pesquisadores brasileiros e de três países de diferentes regiões econômicas que se encontram, em simultâneo, entre os dez maiores emissores de Gases de Efeito Estufa (GEE) e …

Brazilian Circular Economy Pilot Project: Integrating Local Stakeholders’ Perception and Social Context in Industrial Symbiosis Analyses

Emília de Oliveira Faria, Cristiane Gomes Barreto, Armando Caldeira-Pires, Jorge Alfredo Cerqueira Streit et autres

This paper aims to analyze organisations’ behaviour in the Industrial Symbiosis implementation process in the Circular Economy Pilot Project, in Brazil from the actors’ perception. We conducted an exploratory and descriptive study with a qualitative approach to attain the research objective. The …

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Relação conceitual entre Economia Circular, Ecologia Industrial e Cradle to Cradle: um ensaio teórico

Milton Jarbas Rodrigues Chagas, Armando Caldeira-Pires

Dentre os conceitos que têm por objeto a compreensão de fluxos de materiais e energia em um processo industrial, objetivando a adoção de práticas sustentáveis, destacam-se a Ecologia Industrial, o Cradle to Cradle e a Economia Circular. Neste sentido, este artigo objetiva …

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Urban lignocellulosic waste as biofuel: thermal improvement and torrefaction kinetics

Edgar A. Silveira, Maurício Simões Santanna, Normando Perazzo Barbosa Souto, Giulia Cruz Lamas et autres

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Economia Circular e Energias Renováveis: uma análise bibliométrica da literatura internacional

Josivan Leite Alves, Milton Jarbas Rodrigues Chagas, Emília de Oliveira Faria, Armando Caldeira-Pires

O modelo linear de produção e consumo prejudica o meio ambiente e acelera a escassez de recursos naturais. Em contrapartida, a Economia Circular (EC) surge como modelo que visa manter produtos, componentes e materiais em seu mais alto nível de utilidade e …

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Life cycle and risk assessment of vinasse storage dams: A Brazilian sugar-energy refinery analysis

Leopoldo Deutsch, Giulia Cruz Lamas, Thayná Sousa Pereira, Edgar A. Silveira et autres

This study applied Life Cycle and Risk Assessment (LCRA) to characterize a sugar-energy refinery's operation, considering greenhouse gas emissions. The introduction of disturbances in mass or energy flows within LCRA enabled the simulation of accidental hypotheses, with the estimation of their environmental …

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