Ekuqaleni, Kubalulekile ukuqaphela ukuba zombini i-methane ecocekileyo kunye ne-carbon monoxide ayinalo ivumba, ngelixa i-biogas ikhupha ivumba elibi ngenxa yeegesi ezongezelelweyo, Ukunika ivumba isixhobo sokuchonga esingasebenziyo.
Indlela efanelekileyo kukutshisa ezi gesi kunye nokujonga ukuziphatha kwazo kokutsha. Ukutshiswa kwemethane kuvelisa inani elikhulu leeathom zamanzi xa kuthelekiswa nekhabhon monokside.
Ngokuyilayita igesi nganye kwaye emva koko igqume ilangatye ngowomileyo, ibhekile epholileyo, ukubunjwa kwe-condensation kwi-beaker yangaphakathi kubonisa i-methane, ngelixa ukungabikho kwayo kubonisa i-carbon monoxide.