Ubucuruzi bwa Gaze mu Rwanda
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Umuriro wa Gaze isanzwe ( nanone yitwa gaze ya fosile cyangwa gaze gusa ) ni ibisanzwe bivangwa na hydro karibone ya gaze igizwe ahanini na metani hiyongereyeho umubare muto wa alikane ndende. Urwego rwo hasi rwa gaze nka gaze karuboni, azote, hydrogen sulfide, na helium nabyo birahari. [1] Methane idafite ibara kandi nta mpumuro nziza, bityo impumuro nziza nka mercaptan ( ihumura nka sulfuru cyangwa amagi yaboze ) ikunze kongerwa mu bikoresho bya gaze karemano kugirango umutekano ube byoroshye. [2]
Gaze isanzwe ni lisansi y’ibinyabuzima n’umutungo udashobora kuvugururwa ukorwa iyo ibice by’ibinyabuzima (cyane ibinyabuzima byo mu nyanja) [3] byangirika mu bihe bya anaerobike kandi bigashyirwa n’ubushyuhe bukabije n’umuvuduko mwinshi mu myaka miriyoni. [4] Ingufu ibinyabuzima byangirika byabonetse ku zuba hakoreshejwe fotosenteze za bibikwa nkingufu za chimique muri molekile ya metani nizindi hydro karbone. [5]