Zotsatira za Maphunziro Osiyanasiyana a Ore pa Kugwiritsa Ntchito Sodium Cyanide mu Ntchito Zamigodi

Zotsatira za Makalasi Osiyanasiyana Ore pa Kugwiritsa Ntchito Sodium Cyanide mu Migodi Ntchito kalasi cyanide kumwa Cyanidation ndondomeko Low - ores No. 1picture

Mu ntchito yofukula migodi, makamaka mu njira zochotsera golide komwe cyanidation ndi njira yodziwika bwino, kumvetsetsa ubale pakati pa Ore grade ndi Sodium Cyanide ndikofunikira kwambiri. Sodium cyanide imagwira ntchito yofunika kwambiri pakusungunula golide kuchokera ku ore matrix, koma kuchuluka komwe kumafunika kumatha kusiyana kwambiri kutengera mtundu wa ore yomwe ikukonzedwa.

Kumvetsetsa Ore Grade

Ore grade amatanthauza kuchuluka kwa mchere wamtengo wapatali, monga golide, mkati mwa miyala. Ma ore apamwamba amakhala ndi mchere wochuluka womwe umafunidwa, pomwe ore otsika amakhala ndi ndende yotsika kwambiri. Mwachitsanzo, miyala yamtengo wapatali ya golide ikhoza kukhala ndi magalamu angapo a golidi pa tani imodzi ya ore, pamene miyala yamtengo wapatali ikhoza kukhala ndi zosakwana gramu imodzi pa tani.

Njira ya Cyanidation

Njira ya Cyanidation imagwiritsa ntchito njira za sodium cyanide kuti zigwirizane ndi golide mu miyala. Pakakhala mpweya, ma ayoni a cyanide mu njira ya Sodium cyanide amasakanikirana ndi golide kuti apange complex yosungunuka. Kuchitapo kanthu kwa mankhwala kumeneku kumalola golide kulekanitsidwa ndi matrix ya miyala, zomwe zimapangitsa kuti zikhale zosavuta kuchotsa. Njirayi imagwiritsidwa ntchito kwambiri chifukwa ndi yothandiza pochotsa golide kuchokera ku mitundu yosiyanasiyana ya miyala.

Impact of Ore Grade pa Sodium Cyanide Consumption

High - Grade Ores

Kugwiritsa Ntchito Kochepa : Pogwira ntchito ndi miyala yamtengo wapatali, kuchuluka kwa sodium cyanide komwe kumafunikira pa unit ya mchere wamtengo wapatali (monga, pa gramu ya golide) nthawi zambiri kumakhala kotsika. Izi zili choncho chifukwa chakuti pali kuchuluka kwakukulu kwa mchere womwe mukufuna mu voliyumu yaying'ono ya golide. Mwachitsanzo, ngati miyala yamtengo wapatali ya golide ili ndi magalamu 10 a golide pa tani, ndipo imafunika 2 kg ya sodium cyanide pa tani ya golide kuti ipeze kuchuluka koyenera kotulutsa, kugwiritsa ntchito Sodium cyanide pa gramu ya golide ndi 0.2 kg. Kuchuluka kochepa kwa gangue (minerals yosakhala yamtengo wapatali mu miyala yamtengo wapatali) mu miyala yamtengo wapatali kumatanthauza kuti pali zotsatira zochepa zomwe zingadye cyanide.

Kachitidwe Kofulumira : Ma mineral apamwamba kwambiri amachitapo kanthu mwachangu ndi yankho la cyanide. Kuchuluka kwa mchere womwe mukufuna kumapereka malo ambiri kuti yankho la cyanide-golide lichitike. Zotsatira zake, njira yochotsera imatha kutha munthawi yochepa, zomwe zingathandizenso kuchepetsa kugwiritsa ntchito cyanide konse. Izi zili choncho chifukwa chakuti nthawi yayitali yankho la cyanide likakhudzana ndi miyala, zimakhala zosavuta kuigwiritsa ntchito ndi zochitika zina monga hydrolysis kapena zochitika ndi zonyansa zina mu miyala.

Low - Grade Ores

Kugwiritsa Ntchito Kwambiri : Ma ore otsika nthawi zambiri amafunikira sodium cyanide yambiri pa unit ya mchere wamtengo wapatali. Taganizirani za golide wotsika womwe uli ndi magalamu 0.5 okha a golide pa tani. Kuti mupeze kuchuluka koyenera kotulutsa, ingafunike 1.5 kg ya sodium cyanide pa tani ya ore. Pankhaniyi, kugwiritsa ntchito sodium cyanide pa gramu ya golide ndi 3 kg, zomwe ndizokwera kwambiri kuposa chitsanzo cha ore wapamwamba. Chifukwa cha izi ndikuti pali kuchuluka kwakukulu kwa ma gangue minerals mu ma ore otsika. Ma gangue minerals awa amatha kuchitapo kanthu ndi cyanide, kaya mwa kupanga ma complexes kapena kugwiritsa ntchito mpweya mu yankho, zomwe zonse zimawonjezera kufunikira kwa cyanide.

Kuchuluka kwa Mayankho Ochepa : Njira yotulutsira miyala yamtengo wapatali nthawi zambiri imakhala yocheperako. Kuchuluka kochepa kwa mchere womwe mukufuna kumatanthauza kuti ma ayoni a cyanide ayenera kufufuza mu kuchuluka kwakukulu kwa miyala kuti apeze ndikuchitapo kanthu ndi golide. Nthawi yayitali yochitirapo kanthuyi ingayambitse kuchuluka kwa cyanide chifukwa cha zotsatira zoyipa. Kuphatikiza apo, nthawi zina, kuti athetse kuchepa kwa mayankho, kuchuluka kwa cyanide kungagwiritsidwe ntchito mu yankho, zomwe zimapangitsa kuti kugwiritsidwa ntchito konse kuwonjezere.

Zina Zomwe Zimakhudza Ubale

Mineralogy ya Ore : Kupezeka kwa mchere wina mu ore kungakhudze kwambiri kugwiritsidwa ntchito kwa cyanide mosasamala kanthu za mtundu wa ore. Minera monga mkuwa, zinc, arsenic, ndi antimony zimatha kuchitapo kanthu ndi cyanide, ndikupanga ma complexes okhazikika motero zimadya cyanide yomwe ikanakhalapo kuti ichotsedwe golide. Mwachitsanzo, mchere wa mkuwa ukhoza kuchitapo kanthu ndi cyanide kupanga ma complexes a mkuwa ndi cyanide, ndipo ngati miyalayo ili ndi mkuwa wambiri, kugwiritsidwa ntchito kwa cyanide kudzawonjezeka kwambiri, ngakhale pa miyala yagolide yapamwamba kwambiri.

Kukula kwa Tinthu ndi Malo Ozungulira : Kukula kwa tinthu tating'onoting'ono ta mkuwa ndi malo awo pamwamba kumachitanso gawo. Tinthu tating'onoting'ono ta mkuwa timakhala ndi malo akuluakulu pamwamba, zomwe zingathandize kuti cyanide igwirizane ndi tinthu ta golide. Komabe, ngati tinthu tating'onoting'ono ta mkuwa timeneti ...

Kutsiliza

Mwachidule, kalasi ya ore imakhudza kwambiri kuchuluka kwa sodium cyanide yofunikira mu njira ya cyanidation. Ma ore apamwamba amafunikira sodium cyanide yocheperako pagawo lililonse la mchere wamtengo wapatali ndipo amakhala ndi ma kinetics ofulumira, pomwe ore otsika amafunikira cyanide yochulukirapo ndipo nthawi zambiri amachedwa kuchitapo kanthu. Komabe, zinthu zina monga mineralogy ya ore ndi kukula kwa tinthu kuyeneranso kuganiziridwa mosamala pozindikira mlingo woyenera wa sodium cyanide mu ntchito zamigodi. Pomvetsetsa maubwenzi awa, ochita migodi amatha kutulutsa bwino komanso mtengo wake - kuchotsa mchere wamtengo wapatali ndikuchepetsa kuwonongeka kwa chilengedwe komwe kumakhudzana ndi kugwiritsa ntchito sodium cyanide.

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