Mvura yegungwa 'yekutanga' inovharirwa mumafuro

Masayendisiti akawana tuhomwe tunenge tumvura twemugungwa twakavharirwa mumatombo e<em>iron pyrite makore mamiriyoni 390 apfuura kuchamhembe kweNew York, USA.

Kuwanikwa uku, kwakaitwa netsaona panguva yekuferefeta kunyura kwe arsenic ine muchetura kubva mumatombo, kunogona kufambisira mberi manzwisisiro edu ekuti makungwa anoshanduka sei uye kuenderana nekuchinja kwemamiriro ekunze.

Verenga zvimwe:

Kuburikidza nemusanganiswa wehunyanzvi, zvakagoneka kusimbisa kuti mvura yakavharirwa mumatombo yaive mvura yemunyu uye yaienderana nekemikari yegungwa rekare munzvimbo iyi, kubva kuMiddle Devonian, makore angangoita 400 miriyoni apfuura. Maererano nekuongorora, gungwa iri rakatambanudzwa kubva kune yava kunzi Michigan kusvika kuOntario, Canada.

Hazvisi zvisizvo kuti zvicherwa zvichengete zvinwiwa zvakavharirwa, zvisinei hazvibviri kuongorora pananoscale sezvaiitwa munyaya iyi. Vatsvagiri vanotarisira kuenderera mberi nekudzidza mamineral deposits, senge pyrite, kuyedza kunzwisisa kuti gungwa rakaita sei nekukwira kwekushisa.

Mufananidzo: Matombo ari pasi pegungwa Credits: MZeta/

Matombo anogona kuita sedura rehydrogen.

Uye zvakare, masayendisiti anoronga kushandisa mhando nyowani uye matekiniki kuti anzwisise zviri nani kuti hydrogen inobata sei nematombo. Kuchengetedzwa kwakachengeteka uye kudzoreredzwa kwezvizhinji zvehaidhirojeni kubva mumadziva epasi pevhu izano riri kuongororwa, sezvo paine mukana mukuru wekuti nzvimbo idzi dziite sechitubu chemumiriri uyu akasimba kune yakaderera-kabhoni imwe mafuta.

Iye zvino vatsvakurudzi vanofanira kuvandudza maitiro avo uye kutsvaga mamwe maitiro mumatombo emunharaunda anogona kupa mamwe mazano pamusoro pemakwara ekutevera, zvose maererano nekuongorora kwepakutanga uye nezvinangwa zvekuchera matongo.

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Tommy Banks
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