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See detailEnvironmental hazards and the skin
PIERARD-FRANCHIMONT, Claudine ULg; QUATRESOOZ, Pascale ULg; Berardesca, E. et al

in European Dermatology Forum White Book (2005)

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See detailEnvironmental hazards and the skin.
Pierard, Claudine ULg; Quatresooz, Pascale ULg; Berardesca, E. et al

in European Journal of Dermatology (2006), 16(3), 322-4

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See detailEnvironmental impact of photovoltaic power by Life Cycle Assessment
Gerbinet, Saïcha ULg; Belboom, Sandra ULg; Léonard, Angélique ULg

in Conference Proccedings - Volume 1 : Academic Papers (2011, November 03)

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See detailEnvironmental issues in the context of sustainable development
Petrescu-Mag, Ruxandra-Malina; Petrescu, Dacinia Crina; Burny, Philippe ULg

Book published by Les Presses Agronomiques de Gembloux (2011)

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See detailEnvironmental Migration
Gemenne, François ULg

in Martiniello, Marco; Rath, Jan (Eds.) An Introduction to International Migration Studies. European Perspectives (2013)

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See detailEnvironmental modulation of self-organized periodic vegetation patterns in Sudan
Deblauwe, V; Couteron, P; Lejeune, O et al

in Ecography (2011), 34

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See detailEnvironmental monitoring at FUL
De Backer, Louis W.; Andre, Philippe ULg; Nicolas, Jacques ULg

in Journal on automatic control (1992), 33

The paper presents the research and teaching activities of Fondation Universitaire Luxembourgeoise (Arlon) and more particularly in the domain of Environmental Monitoring. Particular attention is given to ... [more ▼]

The paper presents the research and teaching activities of Fondation Universitaire Luxembourgeoise (Arlon) and more particularly in the domain of Environmental Monitoring. Particular attention is given to "intelligent measurement, bio-sensors and event forecast algorithms. The team of researchers tries to integrate the three steps of monitoring: measurement, data processing and decision making support. It develops short-term fog forecasting tools, water quality sensors, soil water status quality assessment techniques and uses models describing soil and water transfers in soils and artificial intelligence techniques applied to energy management in buildings. [less ▲]

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See detailEnvironmental observations: A case study of sampling techniques and their effect on model sensitivity
ANDERSON, C.; BURKE, E.; CALORE, C. et al

in MARANI, M.; RIGON, R. (Eds.) Hydrometeorology and Climatology (1997)

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See detailEnvironmental performance of waste management through years using Life Cycle Assessment
Belboom, Sandra ULg; Renzoni, Roberto ULg; Digneffe, Jean-Marc et al

Conference (2011, November 03)

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See detailEnvironmental policies and legislation
Burny, Philippe ULg; Petrescu-Mag, Ruxandra Malina

Book published by Les Presses Agronomiques de Gembloux (2008)

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See detailEnvironmental Product Declaration of purified and defluorinated phosphoric acid – difficulties and limitations of the methodology
Belboom, Sandra ULg; Scözs, Carl; Léonard, Angélique ULg

Poster (2013, November)

The awareness of environment and the development of environmental product declarations (EPDs) are increasing through years. EPD becomes a need for producers in both B to B and B to C relations. EPD ... [more ▼]

The awareness of environment and the development of environmental product declarations (EPDs) are increasing through years. EPD becomes a need for producers in both B to B and B to C relations. EPD elaboration process is not without difficulties. Such a declaration requires a considerable amount of time and information, a full comprehension of the applied methodology but it also causes confidentiality problems. All these difficulties can lead to the use of simpler tools, as Carbon Footprint, which only focuses on a single impact and misses a part of the message. This case study is based on the production of phosphoric acid in Belgium using PCR for inorganic chemicals. It takes into account the use of raw materials as phosphate rocks or chemicals, their transportation to site and the manufacturing of defluorinated and purified phosphoric acid. This process also requires steam, electricity, demineralised water and sulphuric acid. These inputs are produced on site and their modelling is taken into account in this study. The first step of this process is the production of weak phosphoric acid with transformation of phosphate rocks into 30% phosphoric acid using sulphuric acid attack. The particularity of this process is the production, in this company, of a recoverable coproduct, called gypsum. The amount of this product is about 1.6 t per t of weak acid. A stoichiometric relation connects both products and is used as allocation factor, as recommended by the PCR. Through next concentration steps, fluosilicic acid is produced, also linked to the production of phosphoric acid by a stoichiometric relation. For facilities production plant, repartition of impact between coproducts is not so easy. As mentioned before, the production of steam, electricity, demineralised water and sulphuric acid are performed on site. Sulphuric acid is produced by the combustion of liquid sulphur provided by oil refineries. Two different units produce both sulphuric acid and steam through the combustion of liquid sulphur but only one of them transforms a part of steam into electricity. Repartition of impact between sulphuric acid and steam can be achieved using a physical relation based on thermodynamic values which can be transformed into mass relation. For repartition between electricity, steam and sulphuric acid, the main difficulty is that electricity does not have a weight and a transformation into steam shall be achieved to use the same relationship that previously. This way of allocating is not very obvious for producers, even if it is the one recommended by the PCR. As electricity and steam are coproduced, an energetic allocation is also relevant and gives completely opposite results for repartition of impact of each product. In that case, sulphuric acid impact achieves a non-negligible part of the impact which modifies greatly results of phosphoric acid production. This is a problem when you know that environmental product declarations are used to compare products on environmental criteria, using mainly values of climate change or energy impacts. Producers are then reticent to publish such a value which can lead to a loss of customer confidence, even more when they occupy a leading position on the market and taking into account that a comparison with other producers is quite impossible. More specific guidelines should be set to indicate the best way to perform an environmental product declaration in specific fields using a specific way of allocation. [less ▲]

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See detailEnvironmental product declarations of mineral paving, a tool for sustainable product choices
Belboom, Sandra ULg; Renzoni, Roberto ULg; Tourneur, Francis ULg et al

Poster (2012, May 30)

This study performs the environmental product declarations for three Belgian mineral products, two granite and one sandstone paving. Both main goals of this work were to obtain Belgian environmental ... [more ▼]

This study performs the environmental product declarations for three Belgian mineral products, two granite and one sandstone paving. Both main goals of this work were to obtain Belgian environmental product declarations to strengthen existing databases and to get similar information for their Asian counterparts. Indeed, competition with China for bluestone products and with India for sandstone pavement is very important due to very competitive prices despite their foreign origin and possibly higher induced environmental impacts. Environmental product declarations of Belgian bluestone and sandstone products were conducted in accordance with the ISO standards and following the stand-ard NF P 01-010. CML 2001 method was used to obtain environmental impacts for ten categories as climate change, acidification, abiotic resources depletion, etc. Boundaries of the Belgian systems are the same and the life cycle assessment comprises all steps from the extraction of minerals to the implementation on site. Use and end of life steps were neglected due to the low required maintenance and the inert nature of the paving. For Asian products, the analysis is reduced to the transportation of the functional unit, mainly due to the lack of reliable data. This work highlights the negative effect of long distance transportation of heavy and non-energetic products. Indeed, the environmental impacts of the sole transport of Asian products are at least as important as those obtained for the whole life cycle of Belgian products, whatever the category taken into account (climate change, acidification, air pollution, etc.). CML 2001 methodology was successfully applied to these five studies about three Belgian products and two abroad transportation steps. Comparison of the 5 corresponding environmental product declarations permits to highlight the importance of the transport on environment and to promote, supposing equal performance, local prod-ucts in a more environmental-friendly point of view. [less ▲]

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See detailEnvironmental product declarations of mineral paving, a tool for sustainable product choices
Belboom, Sandra ULg; Renzoni, Roberto ULg; Tourneur, Francis ULg et al

Poster (2012, March 22)

This study performs the environmental product declarations for three Belgian mineral products, two granite and one sandstone paving. Both main goals of this work were to obtain Belgian environmental ... [more ▼]

This study performs the environmental product declarations for three Belgian mineral products, two granite and one sandstone paving. Both main goals of this work were to obtain Belgian environmental product declarations to strengthen existing databases and to get similar information for their Asian counterparts. Indeed, competition with China for bluestone products and with India for sandstone pavement is very important due to very competitive prices despite their foreign origin and possibly higher induced environmental impacts. [less ▲]

Detailed reference viewed: 36 (10 ULg)