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Gnansounou Group

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A regional resource flow model for promoting a circular economy at the regional level

A regional resource flow model is applicable for examining the resource efficiency at a regional level and at different scales varying from regions to urban areas and also smaller local development project areas. The Jyväskylä region has been the first in ...

A World Resources Forum Production, PSI2017

Integrating anthropogenic material stocks and flows into modern resource classification frameworks

This study investigates how anthropogenic resources could fit into the United Nations Framework Classification for Fossil Energy and Mineral Reserves and Resources 2009 (UNFC-2009). Compared to geogenic resources, anthropogenic deposits are more heterogene ...

A World Resources Forum Production, PSI2017

Life Cycle Assessment of Algal Biorefinery

Edgard Gnansounou, Jegannathan Kenthorai Raman

Only biodiesel production from algae would not be economically favorable. Other co-products such as animal feed and biochemical from algae have to be produced to utilize the full potential of algae nutrient composition and to fulfill the growing demand of ...

Elsevier2017

Creating a competing demand for waste resources: a strategy for waste minimization in Nigeria

Solid waste management in Nigeria is a social and public health concern. Waste problems are more serious in cities as the communities lead a non-indigenous lifestyle with respect to resource consumption and wastage. Nigerian municipal waste has organic bio ...

A World Resources Forum Production, PSI2017

Greenhouse Gas Emissions from Freshwater Reservoirs: What Does the Atmosphere See?

Tom Ian Battin

Freshwater reservoirs are a known source of greenhouse gas (GHG) to the atmosphere, but their quantitative significance is still only loosely constrained. Although part of this uncertainty can be attributed to the difficulties in measuring highly variable ...

Springer Verlag2017

Towards an Integrated Sustainability Assessment of Biorefineries

Edgard Gnansounou, Daniel Tuazon

The sustainability of biofuel operations encompasses several issues which are key to promoting uptake in a global environment. However, much of the analysis of biofuel production tends to be dominated by life cycle assessment (LCA) for assessing environmen ...

Elsevier2017

Genetic modification: A tool for enhancing beta-glucosidase production for biofuel application

Beta-glucosidase (BGL) is a rate-limiting enzyme for cellulose hydrolysis as it acts in the final step of lignocellulosic biomass conversion to convert cellobiose into glucose, the final end product. Most of the fungal strains used for cellulase production ...

Elsevier2017

Improving slash-and-burn agriculture in Central Menabe, Madagascar

Justine Marie Gay des Combes

Slash-and-burn agriculture is considered as an important driver of deforestation in the tropics. In Madagascar, a biodiversity hotspot, this type of agriculture particularly threatens the tropical forest cover. On the south-western coast of the island, in ...

EPFL2017

Benchmarking the Embodied Carbon of Buildings

Catherine Elvire L. De Wolf

Greenhouse gas emissions from extracting and manufacturing building materials, often termed “embodied carbon,” are produced before buildings are occupied and are more critical to meeting global climate targets than commonly assumed. In order to motivate re ...

2017

APPLICABILITY OF ENVIRONMENTAL IMPACT ASSESSMENT INDICATORS ON THE USE OF NATURAL RESOURCES IN THE BUILT ENVIRONMENT

The paper addresses the outcomes of the analysis of state-of-the-art indicator-based approaches for the environmental impact assessment to quantify the impact of natural resources consumption. Life cycle based assessment methods are applied on the case of ...

A World Resources Forum Production, PSI2017