Akatswiri Amakambirana Udindo wa Sodium Cyanide pochotsa Golide

Choyamba, kuchotsa golide wa cyanide sodium , komwe kumadziwikanso kuti cyanide leaching, ndi njira yodziwika bwino. Pakadali pano, pafupifupi 30% ya golide padziko lonse lapansi amachotsedwa pogwiritsa ntchito njira imeneyi, zomwe zikusonyeza kuti imagwiritsidwa ntchito kwambiri.

Ubwino: Kutsika mtengo komanso kutulutsa kothandiza.

Zoipa: Nkhani zachilengedwe.

M'malo mwake, njira yachikhalidwe ya cyanide pool leaching yalembedwa kale kuti ichotsedwe. Masiku ano, njira zambiri zimaphatikizapo cyanide heap leaching kapena in-situ leaching, koma izi zimathetsedwanso pang'onopang'ono, chifukwa pakadali pano palibe ukadaulo wabwino kwambiri woti ulowe m'malo mwake.

Sodium cyanide ndi poizoni kwambiri, kotero kuwongolera ndi kuwongolera kumafunika musanagwiritse ntchito komanso pambuyo pake.

Ndiloleni ndifotokoze mwachidule ndondomeko ya mineral processing (kapena beneficiation). Mutuwu ukhoza kuwoneka ngati ukutalikirana ndi anthu onse, chifukwa anthu ambiri sadziwa kuti miyala ikakumbidwa, iyenera kudutsa gawo lopangira mchere. M'maso mwa anthu wamba, chitsulo chimangokumbidwa kenaka n'kusungunuka kukhala chitsulo, si choncho? Komabe, lingaliro ili siliri lolondola kotheratu. Miyala yambiri imakhala yotsika kwambiri ndipo imakhala ndi zonyansa zambiri, zomwe zimapangitsa kuti zikhale zosayenera kusungunuka mwachindunji. Kuonjezera apo, kukhalapo kwa zonyansa zambiri kumapangitsa kuti ntchito yosungunula ikhale yovuta, kumawonjezera mtengo, ndipo kumapangitsa kuti zinthu zikhale zosavuta. Choncho, pali sitepe yofunikira yopangira mchere pakati pa migodi ndi smelting.

Mwachitsanzo, ngati mukukumba chitsulo chokhala ndi chitsulo (kalasi) cha 40%, kusungunula mwachindunji kungayambitse zonyansa monga phosphorous, zomwe zimapangitsa kuti chitsulocho chiwonongeke. Nanga tingatani? Ore amatha kukonzedwa kuti achulukitse chitsulo mpaka 60% kudzera munjira monga kulekanitsa mphamvu yokoka, kupatukana kwa maginito, ndikupera, zomwe zimapangitsa kuti 60% ikhale yachitsulo. Chitsulo ichi chachotsa zonyansa zambiri ndipo chikhoza kugwiritsidwa ntchito mwachindunji kusungunuka.

Mofananamo, ores monga lead, zinki, mkuwa, molybdenum, ndi faifi tambala amafunanso kuti mchere woterewu uyenera kuyika mchere wamtengo wapatali ndikuchotsa zonyansa, kupereka zipangizo zoyenera zosungunulira.

Kuchokera m'mafotokozedwe omwe ali pamwambawa, munthu ayenera kumvetsetsa kufunikira kwa mineral processing. Nanga bwanji miyala ya golide?

Zoonadi, miyala ya golide imafunikanso kukonza mchere.

Ma ore wamba a lead-zinc nthawi zambiri amakhala ndi giredi yophatikizana ya pafupifupi 5% kapena kuposerapo, pomwe ena otsika kwambiri amakhala pafupifupi 2%. Komabe, miyala yagolide ndi yosiyana. Giredi ya miyala yagolide imayesedwa mu magalamu pa tani (g/t). Ma ore ambiri agolide amakhala ndi giredi ya 1 g/t kapena 2 g/t yokha, zomwe zikutanthauza kuti kuchokera pa tani imodzi ya miyala yagolide, pakhoza kukhala gramu imodzi kapena magalamu awiri agolide. Kodi golide uyu amachotsedwa bwanji? Nthawi zambiri amagwiritsidwa ntchito pogwiritsa ntchito cyanide, yomwe imasungunula golide kuchokera mu miyala, kenako Carbon yogwiritsidwa ntchito imagwiritsidwa ntchito kunyamula ndi kutulutsa golide, zomwe zimapangitsa kuti matope agolide apangidwe kukhala mipiringidzo yagolide. Njira ya cyanide pakadali pano ndiyo njira yotsika mtengo komanso yotsika mtengo kwambiri.

Kodi pali chinthu china chilichonse chomwe chingasungunuke golide ndikulowa m'malo mwa cyanide?

Ndipotu, pali zinthu zambiri zomwe zimatha kusungunula golide, koma kupeza njira ina yeniyeni m'malo mwa Sodium cyanide n'kovuta kwambiri.

Thiourea imatha kusungunula golide, koma mlingo wofunikira ndi waukulu kwambiri, ndikupangitsa kuti ukhale wokwera mtengo kwambiri!

Polysulfides ndi laimu sulfure angagwiritsidwenso ntchito, koma amafuna ayoni ammonia amkuwa, ndipo mlingowo ndi wokwera kwambiri, zomwe zimapangitsa kuti pakhale ndalama zambiri.

Palinso njira za biological leaching, koma izi zikadali pagawo loyesera.

Njira zina zomwe zimagwiritsidwa ntchito kwambiri ndi mankhwala atsopano ochotsera poizoni monga JINCHAN ndi JINFU. Kukayika ngati mankhwala awa ali ndi cyanide n'kovuta, ndipo kugwira ntchito kwawo ndi nkhani yokambirana. Migodi ina yagwiritsa kale ntchito ndipo zotsatira zake zabwino, koma kukwezedwa kwakukulu kapena chiyembekezo chakuti akhoza kugwiritsidwa ntchito padziko lonse lapansi monga Sodium Cyanide m'migodi yambiri yagolide n'kovutabe.

Chifukwa chake, njira ya cyanide imakhalabe njira yayikulu.

Mankhwala ochotsera poizoni omwe alibe cyanide kapena njira zomwe akatswiri ofufuza za kukonza mchere amakumana ndi mavuto akuluakulu pakukweza ndi kuthandizira kuchokera ku madipatimenti oyenerera, zomwe zimapangitsa kuti zikhale zovuta kuzigwiritsa ntchito kwambiri. Kupatula apo, omwe ali mumakampaniwa amadziwa kuti sodium cyanide ndi yothandiza, yosavuta kugwiritsa ntchito, komanso yotsika mtengo—ndani amene sangafune kupeza phindu lalikulu?

Kuti m'malo mwa njira ya cyanide, ndizovuta popanda thandizo lamphamvu ladziko lonse pakukwezeleza kapena ndalama zothandizira kafukufuku wokhudzana.

Kodi ndizowona kuti njira za cyanidation, pokhala zofala, ziyenera kuwononga chilengedwe?

Maiko ali ndi ndondomeko zosiyanasiyana zoteteza chilengedwe, ndipo pali njira zokhwima zochiritsira madzi oipa a migodi, njira zochotsera zinyalala, ndi zotsalira za zinyalala.

Ndipotu, kodi sodium cyanide ingakhale yoopsa bwanji? N’zoona kuti kumwa mowa kungakhale koopsa. Komabe, akhoza kuchiritsidwa; powonjezera ufa wothira, ukhoza kuwola kudzera muzochita za redox. Maiko ambiri ali ndi ndondomeko, malamulo, ndi mfundo zofananira zoyendetsera nkhaniyi.

Kuti mudziwe zambiri zamaluso? Lumikizanani nafe!

Malangizo Ofunda:Ngati mukufuna kudziwa zambiri, monga mawu, zinthu, mayankho, ndi zina zambiri,