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Gulani Zitsulo ndi Mchere

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Gold Ore Sands Concentrates


Kufufuza
Kufotokozera

The Gold Concentrates timagula:


dzina

Major Elements

Izonyansa

Miyeso

Au g/mt

Sb%

Monga%

Pb%

Si%

Ndi ppm

Ndi ppm

ku ppm

Golide amaika patsogolo

>20

-

1

-

≤20

-

-

-

Powder

Antimony kupitald amaganizira

>10

> 20

≤0.5

≤0.5

≤20

≤40

≤30

100

Powder


High Arsenic Gold Concentrate

dzina

Major Elements

High Arsenic Gold Concentrate

Au

Ag

Fe

As

S

> 50g/mt

pafupifupi 80g/mt

> 30%

5-8%

kuzungulira 30%



Golide Ore

Ores omwe golide amapezeka mu mankhwala ndi zinthu zina ndizosowa kwambiri. Zimaphatikizapo calaverite, sylvanite, nagyagite, petzite ndi krennerite.
Gold Concentrates
Mafuta a golide amapangidwa m'njira ziwiri zosiyana. Yoyamba ndi kudzera pakupanga golide (kapena njira zina zomwe zimagwiritsa ntchito kulekanitsa mphamvu yokoka). Popanga golide, cholinga chake ndi kulekanitsa tinthu tating'ono ta dothi ndi tinthu tambiri ta golide. Komabe, nthawi zambiri golide si chinthu chokhacho cholemera mu poto. Chotsatira chomaliza cha ntchito yowotchera ndi golide wokhazikika - womwe umayenera kusefedwa pamanja kuti uchotse tinthu tagolide. Mafuta a golide nthawi zambiri amakhala chitsulo, choncho amadziwikanso kuti "mchenga wakuda".
Mafuta a golide amapangidwanso pogaya miyala yamtengo wapatali, quartz, kapena miyala ina yamtengo wapatali kukhala mchenga. Njirayi ndi yachangu komanso yosavuta kuposa kuwotcha, koma tradeoff ndi chinthu chomaliza chomwe chili ndi golide wocheperako "wokhazikika" mkati. Dothi lamalipiro lokhala ndi zida zowotchera kapena zogulitsidwa ngati zikumbutso m'matauni othamangitsidwa ndi golide nthawi zambiri zimachokera ku njira iyi yopera.

Kutulutsa Golide

Kuchotsa golide kumatanthawuza njira zomwe zimafunikira kuchotsa golide ku miyala yake. Izi zingafunike kuphatikiza kwa comminution, mineral processing, hydrometallurgical, ndi pyrometallurgical process kuti zichitike pa ore.
Kukumba golide kuchokera ku miyala ya alluvium kunapezedwapo kale ndi njira zomwe zimagwirizanitsidwa ndi migodi ya placer monga kuwotcha golide wosavuta ndi sluicing, zomwe zimapangitsa kuti tipezenso tinthu tating'ono tagolide ndi ma flakes. Njira zopangira migodi kuyambira chapakati mpaka kumapeto kwa zaka za m'ma 20 zakhala zikugwiritsidwa ntchito ndi akatswiri amisiri. Migodi ya Hydraulic idagwiritsidwa ntchito kwambiri pakuthamangira golide ku California, ndikuphatikiza kuphwanya ma depositi a alluvial ndi ma jets amadzi othamanga kwambiri. Ores a miyala yolimba apanga maziko a ntchito zambiri zamalonda zobwezeretsa golide kuyambira pakati pa zaka za zana la 20 pomwe njira za migodi yotseguka ndi kapena migodi yapansi panthaka imagwiritsidwa ntchito.
Mwala ukakumbidwa ukhoza kukonzedwa ngati chitsulo chonse pogwiritsa ntchito njira zotayirapo kapena mulu wa leaching. Izi ndizofanana ndi ma depositi otsika, oksidi. Nthawi zambiri, miyalayi imaphwanyidwa ndikuphwanyidwa isanadulidwe. Ma ore apamwamba kwambiri komanso ore omwe sagonjetsedwa ndi cyanide leaching pakukula kwa tinthu tating'onoting'ono, amafunikira kukonzanso kwina kuti apezenso golide. Njira zogwirira ntchito zingaphatikizepo kugaya, kuyika, kuwotcha, ndi kupanikizika kwa okosijeni isanafike cyanidation.

zofunika

Chizindikiro: Au

Malo osungunuka: 1,064 °C
Kulemera kwa atomiki: 196.96657 u
Nambala ya atomiki: 79
Malo otentha: 2,700 °C



Chonde funsani nafe ngati mutha kupereka zinthu zotere kapena zofananira, tidzapereka zinthu zabwino kwambiri zogwirira ntchito.

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