Article (Scientific journals)
Impact of heavy metals on human toxicity using LCA: The case study of Walloon corn
Gerbinet, Saïcha; Van Stappen, Florence; Belboom, Sandra et al.
2019In Matériaux et Techniques, 107 (1)
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Keywords :
Chromium; Corn; Human toxicity; Life Cycle Assessment; USEtox; Zinc; Binary alloys; Bismuth alloys; Diseases; Gallium alloys; Heavy metals; Life cycle; Toxicity; Characterization factors; Life Cycle Assessment (LCA); Natural environments; On potentials; Total chromium; Chromium compounds
Abstract :
[en] This paper focuses on potential errors when assessing the human toxicity of corn farming in Wallonia, Belgium. The USEtox method is applied to the farming of 1 hectare of corn. Local data are used for farming data and GaBi datasets for background data. Field emissions due to farming are calculated by the most prevailing models. The results in human toxicity, cancer effect, underline the large contribution of chromium (Cr) emissions. But when characterizing fertilizer composition, only the total chromium is measured and therefore unspecified chromium is used as emissions. However, it is known that chromium in the natural environment is mostly the non-toxic form Cr (III), which would greatly decrease the impact as the characterization factor for unspecified chromium is, in USEtox, the average of Cr (III) and the toxic form Cr (VI). The impact for human toxicity, non-cancer effect is mostly related to zinc emissions even if zinc is relatively harmless. The impact of pesticides is negligible in both cases. These results show that caution must be taken when examining/interpreting toxicity categories. © 2019 EDP Sciences.
Disciplines :
Chemical engineering
Agriculture & agronomy
Environmental sciences & ecology
Author, co-author :
Gerbinet, Saïcha ;  Université de Liège - ULiège > Department of Chemical Engineering > PEPs (Product, Environment, Processes)
Van Stappen, Florence;  Walloon Agricultural Research Centre, Chée de Charleroi 234, Gembloux, 5030, Belgium
Belboom, Sandra ;  Université de Liège - ULiège > Département Chemical Engineering
Pezennec, Eric;  Knauf Insulation Sprl, Rue de Maestricht 95, Visé, 4600, Belgium
Léonard, Angélique  ;  Université de Liège - ULiège > Department of Chemical Engineering > PEPs (Product, Environment, Processes)
Language :
English
Title :
Impact of heavy metals on human toxicity using LCA: The case study of Walloon corn
Publication date :
2019
Journal title :
Matériaux et Techniques
ISSN :
0032-6895
eISSN :
1778-3771
Publisher :
EDP Sciences
Volume :
107
Issue :
1
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 24 May 2019

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