Concept

Économie circulaire

Publications associées (100)

Le béton de réemploi, précieuse ressource territoriale

Corentin Jean Dominique Fivet, Maléna Bastien Masse, Célia Marine Küpfer

Si la rénovation ou la transformation d’un bâtiment existant ne sont plus possibles, et que sa démolition est décidée, le réemploi des éléments qui le composent est une approche à explorer. En particulier, le réemploi d’éléments de structures en béton extr ...

2024

BSL Circular Economy 2024 Conference - BSL Blog

Sascha Nick

Our world is highly unsustainable, and urgent action is needed. Is the Circular Economy a possible major improvement, or a dangerous distraction? Does it depend on how we think about the world? In which way? ...

Business School Lausanne (BSL)2024

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The construction industry plays a major role in the high levels of greenhouse gas emissions, resource consumption, and waste generation observed nowadays. Key to the circular economy, structural component reuse arises as a promising solution to divert cons ...

2024

Acids from fruits generate photoactive Fe-complexes, enhancing solar disinfection of water (SODIS): A systematic study of the novel " fruto-Fenton " process, effective over a wide pH range (4-9) .

César Pulgarin, Aline Laetitia Schaub, Stefanos Giannakis, Giulio Farinelli, Mona Kohantorabi

This study aimed to enhance solar disinfection (SODIS) by the photo-Fenton process, operated at natural pH, through the re-utilization of fruit wastes. For this purpose, pure organic acids present in fruits and alimentary wastes were tested and compared wi ...

Pergamon-Elsevier Science Ltd2024

A concrete answer for circular construction: three prototypes reusing saw-cut elements

Corentin Jean Dominique Fivet, Maléna Bastien Masse, Célia Marine Küpfer

Existing concrete buildings should be retained for as long as possible to reduce the environmental burden of demolition and new construction. However, when urban pressure makes demolition unavoidable, salvaging and reusing concrete elements elsewhere in ne ...

2024

2023 BSL Circular Economy Conference

Sascha Nick

How to bridge science and practice on the example of the Circular Economy (CE)? The 2023 BSL CE Conference analyzes the recently published first editions of country circularity reports, and tries to answer five key questions: 1. How do key country metrics ...

Business School Lausanne (BSL)2023

A Reuse-Ready Timber Slab-and-Column System for Modular Building Structures

Corentin Jean Dominique Fivet, Jonas Warmuth, Jan Friedrich Georg Brütting, Alex-Manuel Muresan, Edisson Xavier Estrella Arcos

The construction industry is a significant contributor to resource consumption and waste generation. To address this issue, component reuse has been proposed as a way to prevent valuable building elements from being discarded and avoid producing new ones. ...

Curran Associates, Inc.2023

Provision of housing services within planetary limits: A methodological framework for the urban circular economy

Ankita Singhvi

The provision of decent housing for all is a core sustainable development goal (SDG) and a fundamental human right. However, the construction sector is the world's largest consumer of raw materials, and 40% of global CO2 emissions are attributed to housing ...

2023

Innovations Practitioners Need for Circularity in the Swiss Architecture, Engineering, and Construction Sector

Corentin Jean Dominique Fivet, Catherine Elvire L. De Wolf

Although widely recognized as imperative for reducing global emissions and the amount of waste generated by the architecture, engineering, and construction (AEC) sector, a large-scale shift from a linear to a circular economy has not yet happened in practi ...

2023

Questioning obsolescence: When does a dwelling reach the end of its life?

Ankita Singhvi

Buildings are demolished when they are considered obsolete, in other words, when they have reached the end of their lifespan. Demolition leads to waste; in Europe, construction and demolition waste accounts for approximately 25-30% of the total waste gener ...

2023

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