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Investigation of the biological activity in MSW landfills under dry climates (Tunisia and Haiti)
Hiligsmann, Serge; Lardinois, M.; Rodriguez, C. et al.
2002In Kocasoy, G.; Atabarut, T.; Nuhoglu, I. (Eds.) Appropriate environmental and solid waste management and technologies for developing countries
 

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Keywords :
landfill; waste management; biological activity; developing countries
Abstract :
[en] This paper presents the results of the investigations carried out over two years (April 2000 – February 2002) to quantify the biological activity that develops in four municipal solid waste landfills located in different regions of two dry climate countries i.e. Haiti and Tunisia. Since the climatic water balance is negative (potential evapotranspiration being 1.5 to 5 times higher than rainfall), it has often been considered that this kind of landfill has neither environmental impact nor efficient biological activity. However, after five campaigns of sampling and analysis at different seasons, the results of the investigations show a relatively stable biological activity in the four landfills with biogas often containing more than 60 percent of methane. Indeed, under the upper waste layer that was effectively dry (dry weight from 85 to 98 %), the core of refuse contained between 35 and 65 % of dry matter. In some boreholes, the produced gases periodically expelled leachates like small geysers. Therefore, the results assert that landfill management in countries with dry climate should be considered with adapted technologies, not necessary the same as under temperate or humid climates.
Research center :
Centre Wallon de Biologie Industrielle
Université d'Etat d'Haiti - Faculté des Sciences
Centre International des Technologies de l'Environnement de Tunis
Disciplines :
Life sciences: Multidisciplinary, general & others
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
Hiligsmann, Serge ;  Université de Liège - ULiège > Département des sciences de la vie > Biochimie et microbiologie industrielles
Lardinois, M.
Rodriguez, C.
Kapepula, D.
Mhiri, F.;  Centre International des Technologies de l'Environnement de Tunis
Marouani, L.;  Centre International des Technologies de l'Environnement de Tunis
Benzarti, A.;  Centre International des Technologies de l'Environnement de Tunis
Grolet, S.;  Université d'Etat d'Haiti - Faculté des Sciences
Chamblin, J. F.;  Université d'Etat d'Haiti - Faculté des Sciences
Antoine, J. N.;  Université d'Etat d'Haiti - Faculté des Sciences
Noel, J. M.;  Université d'Etat d'Haiti - Faculté des Sciences
Copin, A.;  Faculté Universitaire des Sciences Agronomiques de Gembloux - FUSAGx
Thonart, Philippe ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech > Gembloux Agro-Bio Tech - Biochimie et microbiologie industrielles
More authors (3 more) Less
Language :
English
Title :
Investigation of the biological activity in MSW landfills under dry climates (Tunisia and Haiti)
Publication date :
2002
Event name :
ISWA 2002 World Environment Congress and Exhibition
Event organizer :
International Solid Waste Association
Event place :
Istanbul, Turkey
Event date :
July
Audience :
International
Main work title :
Appropriate environmental and solid waste management and technologies for developing countries
Editor :
Kocasoy, G.
Atabarut, T.
Nuhoglu, I.
Pages :
2 : 773-778
Funders :
DGRE - Région wallonne. Direction générale des Relations extérieures [BE]
IEPF - Institut de l'Énergie et de l'Environnement de la Francophonie [CA]
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