Ukukhethwa kwenkqubo yokucoca igesi yendalo
Igesi yendalo njengegesi yokutya kufuneka icocwe kakuhle ngaphambi kokuba inyibilike. Oko kukuthi, ukususa igesi eneasidi, amanzi kunye nokungcola kwigesi yokutya, njenge-H2S, i-CO2, i-H2O, i-Hg kunye nee-hydrocarbons ezinuka kamnandi, ukuze zingabanda kubushushu obuphantsi kwaye zithintele...
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