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From the Cloud to Agbogbloshie: The Case of the Agbogbloshie Makerspace Platform and Akwasi Bediako Afrane’s TRONS

Publications associées (25)

Tandem catalysis enables chlorine-containing waste as chlorination reagents

Paul Joseph Dyson, Mingyang Liu, Xinbang Wu

Chlorinated compounds are ubiquitous. However, accumulation of chlorine-containing waste has a negative impact on human health and the environment due to the inapplicability of common disposal methods, such as landfill and incineration. Here we report a su ...

Nature Portfolio2024

Eco-Conscious Approach to Wireless Gas Monitoring With a Hybrid Printed Passive Sensor Tag

Sandro Carrara, Johanna Zikulnig, Jürgen Kosel

Addressing the environmental impact of electronic waste in biomedical sensing, an eco-conscious approach to the realization of a Chitosan-based Acetone sensor tag for wireless gas monitoring is presented. The fabrication involves inkjet printing of silver ...

Ieee-Inst Electrical Electronics Engineers Inc2024

Decision support methodology for waste-to-value process integration

Rafael Amorim Leandro De Castro Amoedo

Waste treatment is a complex procedure that comprises multidimensional aspects. The challenges posed by the energy transition and international protocols emphasize the role of waste in its material and energy dimension. With an increasing population and li ...

EPFL2023

On the role of system integration in plastic waste management

François Maréchal, Ivan Daniel Kantor, Julia Granacher

The management of plastic waste is a growing concern that can harm wildlife and ecosystems, and its end-of-life policies are key to mitigating plastic environmental impact. This work presents a decision-making methodology for the thermal and material valor ...

Elsevier2023

Organic electrochemical transistors printed from degradable materials as disposable biochemical sensors

Danick Briand, Nicolas Francis Fumeaux, Claudio Pinto Almeida, Silvia Demuru

Transient electronics hold promise in reducing electronic waste, especially in applications that require only a limited lifetime. While various degradable electronic and physical sensing devices have been proposed, there is growing interest in the developm ...

Nature Research2023

Zinc hybrid sintering for printed transient sensors and wireless electronics

Danick Briand, Nicolas Francis Fumeaux

Transient electronics offer a promising solution for reducing electronic waste and for use in implantable bioelectronics, yet their fabrication remains challenging. We report on a scalable method that synergistically combines chemical and photonic mechanis ...

2023

Surfactant-based enrichment of rare earth elements from NdFeB magnet e-waste: Optimisation of cloud formation and rare earths extraction

Christian Ludwig, Rudolf Paul Wilhelm Jozef Struis, Mohamed Tarik, Ajay Bhagwan Patil

Appropriate waste and resource management are essential for a sustainable circular economy with reduced environmental impact. With critical resources, e-waste may serve as indirect raw material. For example, with NdFeB permanent magnets, Neodymium (Nd) and ...

2023

Lignin, from biomass waste to sustainable materials for food packaging, antiviral coatings and agriculture

Alice Boarino

Our planet has been challenged for years by our reckless use of fossil fuels, which has led to the ongoing climate change and energy crisis. The transition to the use of renewable alternative sources has now became urgent and inevitable. The valorization o ...

EPFL2023

Additively Manufactured Degradable Piezoelectric Microsystems for Sensing and Actuating

Luis Guillermo Villanueva Torrijo, Danick Briand, Morgan Mc Kay Monroe, Nicolas Francis Fumeaux

The global overabundance of electronic waste and ever-increasing concerns regarding the energy-and material-intensive manufacturing processes associated with traditional electronics are driving the development of solution-processed, degradable electronics. ...

Wiley2023

Low-temperature processing of screen-printed piezoelectric KNbO3 with integration onto biodegradable paper substrates

Luis Guillermo Villanueva Torrijo, Danick Briand, Morgan Mc Kay Monroe

The development of fully solution-processed, biodegradable piezoelectrics is a critical step in the development of green electronics towards the worldwide reduction of harmful electronic waste. However, recent printing processes for piezoelectrics are hind ...

2023

Opportunities in Critical Rare Earth Metal Recycling Value Chains for Economic Growth with Sustainable Technological Innovations

Christian Ludwig, Rudolf Paul Wilhelm Jozef Struis, Ajay Bhagwan Patil

Rare earth elements (REEs) are often referred to as the industrial vitamins and the key drivers of the industry 4.0 revolution. The current global supply chain of REEs for green and high-tech applications with more than 220 metric kilotons per year involve ...

2022

Insights about inductively coupled plasma optical emission spectroscopy interferences of major rare earth elements in complex e-waste feeds

Christian Ludwig, Rudolf Paul Wilhelm Jozef Struis, Mohamed Tarik, Ajay Bhagwan Patil

The advent of rare earth elements (REEs) with optoelectronic properties has shifted the technology paradigm from digital to a smart and hybrid world. Their substantial uses also resulted in a large piling up of e-waste. Therefore, e-waste is now a lucrativ ...

2022

Trends in mitigation of industrial waste: Global health hazards, environmental implications and waste derived economy for environmental sustainability

Edgard Gnansounou

Majority of industries, in order to meet the technological development and consumer demands generate waste. The untreated waste spreads out toxic and harmful substances in the environment which serves as a breeding ground for pathogenic microorganisms thus ...

ELSEVIER2022

Environmental policies: designing acceptable road pricing and voluntary waste sorting schemes

Linda Melina Tesauro

Growing urban population implies many challenges for the municipalities in terms of mobility, housing, waste management or infrastructures. Public policies are thus needed to ensure a sustainable development. The main objective of this thesis is to analyze ...

EPFL2022

Upcycling Space Structures (Preface to special issue)

Olivier Baverel, Corentin Jean Dominique Fivet

The construction industry’s contribution to the deterioration of Earth’s ecosystem is huge. 11% of all anthropic greenhouse gas emissions worldwide are due to the construction, demolition, and transformation of buildings and infrastructure. Construction an ...

2021

Towards a sustainable supply chain on plastic waste management : a multi-criteria optimization approach

François Maréchal, Ivan Daniel Kantor, Diya Achi, Rafael Amorim Leandro De Castro Amoedo

Municipal solid waste and waste plastics are currently perceived as an environmental threat. Thermovalorization and recycling are the primary technologies used for disposal, with re- searchers and practitioners advocating for one or the other, but far from ...

2021

Extraction of Rare Earth Metals: The New Thermodynamic Considerations Toward Process Hydrometallurgy

Andrea Testino, Christian Ludwig, Rudolf Paul Wilhelm Jozef Struis, Ajay Bhagwan Patil

Successful management of secondary waste resources is essential for the viable circular economy. E-waste could serve as the potential urban mining source for the alternative supply chain of critical metals such as rare earth elements (REEs). The hydrometal ...

Springer Nature Switzerland AG2021

Network design optimization of waste management systems: the case of plastics

François Maréchal

Failure in appropriately managing complex municipal solid waste systems in general and waste plastics in particular negatively affects public health and environment. A decision-making tool incorporating concepts of logistics and supply chain, considering d ...

Elsevier2021

Scrutinizing the Circular Economy concept applied at the urban level: A contribution based on the analysis of urban circularity indicators, the categorization of Circular Economy interventions, and the identification of factors fostering the adoption of circular innovation

Valeria Superti

Problem. Our current economic systems are deemed unsustainable. Although a global issue, the objective of living in a sustainable society is increasingly an urban challenge, as a rising 50% of the world's population currently dwell in cities. To secure a b ...

EPFL2021

Conduit, Patio, Waste: Mapping Environmental Relations in Bairro da Malagueira

Bárbara Maçães E Costa

The ongoing ecological crisis is reframing the common binary opposition between architecture and nature and provoking us to ask what kinds of buildings we collectively want to create for the ecosystems that we inhabit. The environment is not a neutral back ...

EPFL2021