Publications de 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

François Maréchal, Daniel Alexander Florez Orrego, Manuele Domenico Margni

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

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

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