
He maina koura iti te kounga o te koura kua whakapūkarahia i Senegal , ā, ko te taumata koura he 2.49 karamu/t. I whakahaerehia he rangahau taiwhanga mā te whakamahi i te tukanga whakapūkara puranga . I tirotirohia ngā pānga o ngā tawhā tukanga pēnei i te rahi o te matūriki o te konganuku, ngā momo me ngā horopeta o ngā kaihoko whakapūkara, te wā whakapūkara, me ngā momo me ngā horopeta o ngā waikura āwhina ki te tango koura. I whakatauhia ngā āhuatanga tino pai, ā, i tutuki ai te tere whakapūkara koura o te 89.57% me te taumata koura i roto i te toenga whakapūkara o te 0.26%. Mā ēnei hua ka whakaratohia he pūtake hangarau pono mō te whanaketanga me te whakamahinga whaitake o tēnei konganuku.
1. Nga Taonga Ore
Ko te karaehe koura o te ore mata he 2.49 g/t, koinei te mea matua ka taea te whakaora. Ko te tohu hiriwa he 4.26 g/t, he iti noa te ihirangi. Ko te waahanga poke nui i roto i te ore ko SiO₂, ka whai i nga waahanga iti o Al me Fe. Ko te waahanga kino nui ko te arsenic, me te tohu arsenic o 0.68%. He iti noa nga tohu o etahi atu huānga. Ko nga kohuke konganuku matua i roto i te ore he limonite, he iti rawa nga kohuke sulfide, ko te pyrite te nuinga. Ko te nuinga o nga kohuke kohuke ko te kiripaka, te feldspar, me te kohuke uku.
Ko tenei maina koura he oka waikura kua kaha te rangi me te hanga wetekina, ko te nuinga he matūriki pakaru me te oneone. Ko te tohu Petrographic e whakaatu ana ko te nuinga o te pyrite i roto i te ore kei roto i te ahua o nga kakano euhedral, kua mau ki te quartz, feldspar, me te chlorite. He pai te rahi o te matūriki, i te nuinga o te waa mai i te 0.02 ki te 0.4 mm. Ko te Limonite ka puta hei pseudomorph o te pyrite, te colloidal limonite ranei i hangaia e te whakamaaramatanga o te wairewa ferric hydroxide i konatunatua ki te iti o nga kohuke uku silicate, ka whakakiia nga kapiti o nga kohuke gangue. Ko te kiripaka te nuinga he metacolloidal chalcedony quartz, me te nuinga o nga rahi matūriki mai i te 0.02 ki te 0.15 mm. Ko te Feldspar te ahua o nga kakano korikori, nga whakahiato ranei, me te rahi o te matūriki 0.02 ki te 0.3 mm. Ko nga kohuke koura i roto i tenei kohuke he ahua pai te rahi o te matūriki, no te koura pai -0.001 mm.
2. Nga Tikanga Whakamatau
Ko te konganuku mata i kuruhia ki tētahi rahi matūriki i ringihia ki roto i tētahi oko porotaka kua whakakiia ki te toka papa. I whakaritea te ōwehenga wai-totoka ki te 1.5:1. I tāpirihia te raima hei whakatika i te uara pH kia nui ake i te 11, ā, i tāpirihia he nui o te konutai cyanide . I mahia te horoi i te pāmahana rūma mō tētahi wā. I muri i te whakamātautau, i ringihia te penupenu hei wehe i te totoka-wai. I tātarihia te nui o te koura i roto i te toenga horoi me te kukū koura i roto i te otinga kei roto te koura, ā, i tatauhia te tere horoi koura.
3. Nga Hua Whakamatau me te Tatari
I runga i ngā āhuatanga o ngā āhuatanga o te konganuku mata, i whakaritea he whakataurite i waenga i ngā kaupapa whakamātautau e rua: te tango i te cyanidation paru katoa me te tango puranga. Ko ngā tikanga whakamātautau mō te cyanidation paru katoa koia ēnei: te pai o te huri o te -0.074 mm 95%, te ōwehenga wai-totoka o te 3:1. te whakaoho ā-pūkaha, me te wā tango o te 24 hāora. Ko ngā tikanga whakamātautau mō te tango puranga koia ēnei: te rahi o te matūriki konganuku o te -10 mm, te ōwehenga wai-totoka o te 1.5:1. me te wā tango o te 72 hāora.
Ma te whakamahi i te tukanga rewharewha puranga, he 70.89%. Ma te whakamahi i te tukanga cyanidation paru-katoa, i piki paku te reeti rewharewha koura ki te 74.05%. Ma te whakaaro nui ki te utu whakangao, i uruhia te tukanga riihi puranga i roto i te whakamatautau ki te whakaora koura.
4. Whakamutunga
(1) Ko te ore koura he oka waikura i hangaia e te huarere, me te karaehe koura o te 2.49 g/t, ko te nuinga o te koura pai -0.001 mm. Ko te ore he pai mo te maimoatanga ma te tukanga rewharewha cyanidation.
(2) Mā roto i ngā whakamātautau āhua o te tango puranga, i whakatauhia ngā tawhā tukanga tango puranga tino pai penei: te rahi o te matūriki o te konganuku o te -20 mm, te horopeta o te Konutai Cyanide o te 2.0 kg/t, te horopeta o te konupūmā peroxide o te 4.0 kg/t, me te wā tango o te 10 rā. Ko ngā tohu wehenga i tutukihia ko te tere tango koura o te 89.57% me te kōeke koura i roto i te toenga tango o te 0.26%.
Ka mutu, i mohio te kaihoko ki a maatau hua whakamatautau. I muri i te whakawhitiwhiti korero me te kaihoko, ka tukuna nga tauira, ka mahia he raupapa o nga whakamatautau whaihua. Na roto i te tātari whakatairite, i te mutunga ka whakaritea he rere tukanga e tika ana mo te ahuatanga o tenei kaupapa.
I tenei wa, kei te anga whakamua te kaupapa. I roto i nga marama torutoru, ka oti te tipu rewa.
He pai te mahi a te kaupapa rewharewha o te miraka koura i Senegal ki te whakatairanga i te whanaketanga o nga maina koura ki Senegal. Ko te mahi katoa o tenei kaupapa, mai i te rangahau whakamatautau whaihua, te hoahoa iari, te taenga mai o nga taputapu, te whakaurunga me te tono, te whakangungu kaimahi, tae atu ki te whakahaerenga o te tipu riihi puranga, ko te kawenga United Chemical Ahumahi a kua eke ki nga paerewa whakaputa.
Mo etahi atu whakaaro ngaio? Whakapā mai!
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