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Assessment of CH4 and C 2 surface emissions from Polesgo’s landfill(Ouagadougou, Burkina Faso) based on static chamber method

查看全文 作　　者：Kayaba [1,2]HARO;Issoufou [1]OUARMA;Bernard [1,3]NANA;Antoine [1]BERE;Guy Christian [1]TUBREOUMYA;Sie Zacharie [1]KAM;Patricia [2]LAVILLE;Benjamin [2]LOUBET;Jean [1]KOULIDIATI 高影响力作者 机构地区：[1]Laboratoire de Physique et de Chimie de I'Environnement,Universite Joseph Kl-ZERBO,Ouagadougou,03 BP 7021 Ouagadougou 03,Burkina Faso;[2]INRA AgroParisTech,VMR ECOSYS,Thiverval-Grignon,F-78850,France;[3]Institut des Sciences,Ouagadougou,01 BP 1757 Ouagadougou 01,Burkina Faso高影响力机构 出　　处：《Advances in Climate Change Research》索引2019年第10卷第3期,共11页高影响力期刊 摘　　要：Methane (CH4) and carbon dioxide (C02) surface emissions from Polesgo's landfill (Ouagadougou, Burkina Faso) were measured using the static chamber technique in 2017 and 2018. The Polesgo's landfill was composed of four zones: Phase I, II, Phase III, and SP. The surface of Phase I was fully covered and its conditions are better for surface emission measurements. As results concerning the Phase I zone, the geospatial means flux rates of CH4 (657 mg m-2 h l in 2017 and 1210 mg m 2 h_, in 2018, respectively) are measured higher than the tolerable value reported in literature. The emitted CH4 or C 02 have permitted to locate higher surface emissions which are related to the cover state. The calculated gas collection efficiency (27.4% in 2017 and 23.0% in 2018) is low compared to those reported for landfills integrating landfill gas (LFG) extraction system. The carbon footprint calculations (24,966 tC02-eq 2017 and 40,025 tC02-eq in 2018, respectively) shown that Polesgo's landfill is a significant source of greenhouse gases (GHG) and its important potential for organic recovery can contribute to reduce the carbon footprint. 关 键 词：Municipal solid waste landfilling CH4 C 02 Collection efficiency Static chamber method Carbon footprint
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