Publications by Daniel Alexander Florez Orrego

Evaluation of Energy Transition Pathways for Industries with Low-Temperature Heat Demand: The Case of Laundry and Syrup Sectors

Industries with low-temperature heat demand, such as laundry and syrup sectors, heavily rely on natural gas-fired boilers, posing challenges to achieving net-zero emissions by 2050. Like hard-to-abate sectors, they must explore energy transition strategies ...

PSE Press2025

Decarbonizing the aluminium industry: A comprehensive review of pathways and process integration perspectives

François Maréchal, Daniel Alexander Florez Orrego

Aluminium is recognized as an essential material for the global energy transition. However, its production is extremely energy-intensive and largely dependent on fossil fuels. The aluminium industry emits more than 1.11 Gt CO2-eq annually. Multiple obstacl ...

Elsevier BV2025

A systemic study for decarbonizing secondary aluminium production via waste heat recovery, carbon management and renewable energy integration

Manuele Domenico Margni, François Maréchal, Daniel Alexander Florez Orrego

Secondary aluminium production relies on natural gas to transform both primary and recycled aluminium into semi-fabricated products, leading to significant atmospheric emissions, energy losses, and resource consumption. Despite the potential for waste heat ...

Elsevier2025

Data-driven systematic methodology for predicting optimal heat pump integration based on temperature levels and refrigerants

François Maréchal, Daniel Alexander Florez Orrego

In the context of the industrial shift towards carbon neutrality and electrification, high temperature heat pumps have emerged as feasible solutions for decarbonizing the heat supply at temperatures previously associated only to fired or resistive heating ...

Elsevier2025

Life cycle assessment and techno-economic comparison of methane production routes from sewage sludge: Incineration vs. Hydrothermal Gasification and Anaerobic Digestion

Manuele Domenico Margni, François Maréchal, Daniel Alexander Florez Orrego, Meire Ellen Gorete Ribeiro Domingos

The disposal of sewage sludge poses significant challenges due to storage difficulties and the presence of pollutants and pathogens. Conventional treatment methods, such as incineration and anaerobic digestion (AD), are compared to advanced technologies li ...

Elsevier2025

Role of process integration and green technologies utilization for the decarbonization of the watchmaking sector

Daniel Alexander Florez Orrego

Decarbonizing the watch industry and improving its sustainability requires enhancing the energy efficiency, intensifying the waste heat recovery and integrating renewable energy resources to significantly reduce the energy consumption and reduce the overal ...

PSE Press2025

Olefins production through sustainable pathways: techno-economic and environmental assessment

François Maréchal, Daniel Alexander Florez Orrego, Meire Ellen Gorete Ribeiro Domingos

This study presents a comparative analysis of various configurations for sustainable olefins production via chemical recycling of plastic/biomass wastes, integrating CO2 capture, storage and management technologies. The co-gasification, methanol synthesis ...

PSE Press2025

On the Economic Uncertainty and Crisis Resiliency of Decarbonization Solutions for the Aluminium Industry

Daniel Alexander Florez Orrego

The aluminium industry emits approximately 1.1 billion tonnes of CO2-eq annually, contributing about 2% of global industrial emissions. Decarbonization pathways aim to achieve net-zero emissions by 2050, but this requires making decisions today for technol ...

PSE Press2025

Decarbonising the glass industry: A comprehensive techno-economic assessment of low-emission pathways

François Maréchal, Daniel Alexander Florez Orrego

The glass industry faces critical decarbonisation challenges due to high energy demand and reliance on fossil fuels. This study presents a comprehensive techno-economic analysis of diverse decarbonisation pathways for flat glass production, including elect ...

Elsevier BV2025

Process integration and waste valorization for sustainable biodiesel production toward a transportation sector energy transition

Daniel Alexander Florez Orrego

Fossil fuel reliance in the transportation sector remains a leading contributor to global greenhouse gas emissions, underscoring the urgent need for renewable alternatives like biodiesel. Derived from renewable feedstocks, biodiesel can reduce emissions, e ...

PSE Press2025

ROSMOSE: A web-based decision support tool for the design and optimization of industrial and urban energy systems

François Maréchal, Cédric Terrier, Daniel Alexander Florez Orrego, Michel Lopez, Meire Ellen Gorete Ribeiro Domingos

Energy efficiency is crucial for the sustainable operation of industrial and urban sectors. However, practicing engineers seldom have access to open-source tools that can readily evaluate and compare scenarios. In this work, a novel web-based tool called R ...

2024

Modelling The Effect of Future Uncertainty in Energy Prices on Decarbonization Pathways for Secondary Aluminium Production

Manuele Domenico Margni, François Maréchal, Daniel Alexander Florez Orrego, Lorenzo Aimone

Aluminium is one of the most widely used metals in the world, but its production is highly energy intensive and largely dependent on the use of fossil fuels. A typical secondary aluminium production facility consumes 700-1,000 kWh of natural gas and 200-40 ...

2024

Integration of renewable energy and reversible solid oxide cells towards decarbonizing the secondary aluminium production and urban systems

François Maréchal, Daniel Alexander Florez Orrego, Meire Ellen Gorete Ribeiro Domingos

Aluminium sector relies on natural gas for recycling scrap into feedstock, contributing ~2% to the global industrial CO2 emissions. Hydric resources are used as cooling media for aluminium direct chill casting, and waste heat is typically rejected to near ...

2024

Renewable energy integration and waste heat valorization in aluminum remelting for co-producing kerosene and methanol

François Maréchal, Daniel Alexander Florez Orrego, Meire Ellen Gorete Ribeiro Domingos, Réginald Germanier

The aluminium sector relies on natural gas for the conversion of recycled scrap into new feedstock, which results in substantial atmospheric emissions. Hydric resources are also impacted, as they serve as heat sinks for the waste heat generated during the ...

Associazione Italiana Di Ingegneria Chimica2024

Editorial "Thermodynamic Optimization of Industrial Energy Systems"

Daniel Alexander Florez Orrego, Meire Ellen Gorete Ribeiro Domingos

Thermodynamic optimization of industrial energy systems is crucial for finding solutions to reduce energy consumption and mitigate losses, leading to environmental and economic benefits [...]. ...

MDPI2024

CO2 Capture and Management Strategies for Decarbonizing Secondary Aluminium Production

François Maréchal, Daniel Alexander Florez Orrego, Meire Ellen Gorete Ribeiro Domingos, Réginald Germanier

The production of aluminium largely depends on the use of fossil fuels, resulting in the emission of significant amounts of greenhouse gases. As the aluminium industry is working towards decreasing its environmental burdens, the elimination of direct emiss ...

2024

Decarbonizing the fertilizers sector: an alternative pathway for urea and nitric acid production

François Maréchal, Daniel Alexander Florez Orrego, Meire Ellen Gorete Ribeiro Domingos

In order to alleviate the environmental impact that nitrogen fertilizers production is responsible for, several efforts have been addressed to incentivize the partial or total decarbonization of the supply chains of ammonia and its derivatives. The decarbo ...

2024

Process modeling and integration of hydrogen and synthetic natural gas production in a kraft pulp mill via black liquor gasification

François Maréchal, Daniel Alexander Florez Orrego, Meire Ellen Gorete Ribeiro Domingos

The black liquor gasification integrated to chemical plants has shown potential for reducing the process irreversibility and promoting the decarbonization of this industrial sector. In the integrated chemical plants proposed in this work, the purpose is co ...

Pergamon-Elsevier Science Ltd2023

Alternative energy supply approach for industrial complexes and district heating networks based on biomass integrated gasification

François Maréchal, Daniel Alexander Florez Orrego, Meire Ellen Gorete Ribeiro Domingos

In this work, a systematic approach combining different energy solutions and the time-varying energy demands is used to identify the operating conditions and arrangements for industrial complexes. A kraft pulp mill integrated to an urban district heating n ...

Universidad de Las Palmas de Gran Canaria2023

Comparative Exergy and Economic Assessment of Fossil and Biomass-Based Routes for Ammonia Production

François Maréchal, Daniel Alexander Florez Orrego

Due to the increasing concerns about the marked dependence on fossil resources and their intrinsic economic uncertainty, as well as motivated by more stringent environmental regulations, the pursuit of alternative energy resources for the synthetic fertili ...

Silesian University of Technology2023