Muindasitiri yegoridhe cyanidation, kukwidziridza leaching ibasa rakakosha rekuwedzera mashandisirwo ezviwanikwa uye kudzoka kwehupfumi. Kuti zvigadzirise izvi, nhevedzano yeongororo dzakadzama dzekuyedza mashandisirwo emhepo-kudzvanywa oksijeni-yakapfuma leaching muchirimwa checyanidation yakaitwa, ichitarisa pane goridhe yakanangidzirwa pachirimwa.
Testing Setup
Zviyero zvitatu zvakasiyana zvekuedza-bhenji-scale, semi-industrial, uye indasitiri-yakaitwa. Kuedza kwebhenji-chiyero ndiko kwaive kutanga, nechinangwa chekutanga kuongorora kugona kweiyo oxygen-rich leaching process. Tevere, iyo semi-industrial kuyedza yakashanda sezambuko pakati perabhoritari uye yakazara maindasitiri kuita, ichipa mamwe mazano anoshanda. Pakupedzisira, kuedza kwemaindasitiri kwakasimbisa kushanda kwemaitiro pasi pemamiriro ekugadzirwa kwepasirese.
Zviongorudzo Zvitsva
Bhenji - chiyero Kuedza
Mhedzisiro yebhenji-chiyero chebvunzo yakaratidza kuti iyo oxygen-yakapfuma leaching process inogona kuwedzera goridhe leaching rate ne0.30%. Kubudirira kwekutanga uku kwakaratidza kushanda kwehunyanzvi.
Semi-industrial Kuedza
Munguva yekuyedza semi-industrial, zvakava pachena kuti mwero wegoridhe wekutengesa wakakwira zvakanyanya kana uchienzaniswa nekuita kwemhepo-leaching. Uku kukwidziridzwa mukumhanya kweleaching yaive chiratidzo chakasimba chehukuru hweiyo oxygen-rich leaching process.
Industrial Experiment
Iyo yemwedzi mitatu yekuyedza maindasitiri yakasimbisa zvakanakira okisijeni-yakapfuma leaching. Kuenzaniswa neyakajairwa mhepo-leaching process, iyo oxygen-rich leaching process haina kungowedzera iyo leaching rate ne0.18% asi zvakare yakakurumidza zvakanyanya kukurumidza leaching. Pamusoro pezvo, iyo sirivheri giredhi mune yakasara yeleaching yakadzikira ne5×10⁻⁶ - 6×10⁻⁶. Nezvehupfumi, hupfumi hwepagore hwehupfumi hwakawedzera ne4.901 miriyoni yuan, zvichiratidza kuwanda kwemari kwakabatana nehurongwa hutsva.
mhedziso
Tsvagiridzo iyi yeatmospheric-pressure oxygen-rich leaching process yawana zvakanakisa zvehupfumi uye zvehunyanzvi mhedzisiro. Zvakawanikwa zvinogona kushanda sereferensi yakakosha yemabhizinesi egoridhe anotarisa kusimudzira maitiro avo ecyanidation leaching. Zvakare, chidzidzo ichi chinobatsira mukusimudzira tekinoroji yecyanidation leaching, kuvhura mikana mitsva yeindasitiri yemigodhi yegoridhe kuvandudza mashandisirwo ezviwanikwa uye kuita pundutso.
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