Fa'idodi da Rashin Amfanin Sodium Cyanide a cikin Leaching na Zinare

A cikin zinariya ma'adinai masana'antu, da aiwatar da hakar gwal yana da matukar muhimmanci. Sodium cyanide ya daɗe yana zama maɓalli mai mahimmanci a cikin zinariya leaching tsari. Fahimtar fa'idarsa da rashin amfaninta yana da mahimmanci ga masu hakar ma'adinai da masu muhalli, saboda yana taimakawa wajen yanke shawara mai kyau game da ci gaba da amfani da shi da kuma bincika hanyoyin daban.

1. Amfanin Sodium Cyanide a cikin Leaching na Zinariya

Babban inganci a cikin Rushewar Zinare

Daya daga cikin mahimman fa'idodin haka

dum cyanide a cikin leaching na zinari shine babban ingancinsa wajen narkar da zinare. Cyanide ions suna samar da barga masu ƙarfi tare da ions na zinariya. Wannan yana ba da damar fitar da zinare daga ma'adinan ƙarancin daraja. Halin sinadaran tsakanin zinariya, oxygen, da sodium cyanide a cikin wani ruwa bayani za a iya wakilta kamar:

4Au + 8NaCN + O₂ + 2H₂O → 4Na[Au(CN)₂] + 4NaOH. Wannan halayen yana ba da damar samun cikakkiyar haƙar gwal, yana haɓaka yawan amfanin ƙasa daga haƙar ma'adinai.

Kudin - Tasiri

Sodium cyanide yana da tsada - tasiri idan aka kwatanta da yawancin madadin leaching jamiái. Tsarin samar da shi yana da kyau - an kafa shi, kuma yana samuwa a cikin adadi mai yawa. Kamfanonin hakar ma'adinai na iya siya sodium Cyanide a farashi mai ma'ana, wanda ke da mahimmanci don ci gaba da samun riba, musamman lokacin da ake hulɗa da manyan ayyuka. Bugu da ƙari, kayan aiki masu sauƙi da ake buƙata don aikin leaching cyanide yana ƙara rage farashi.

Daidaituwa da Nau'in Ore Daban-daban

Ana iya amfani da sodium cyanide tare da nau'in zinari mai yawa - nau'in nau'in nau'i. Ko ma'adinan yana da kyauta - niƙa ko ya ƙunshi hadaddun ma'adanai na sulfide, ana iya inganta leaching cyanide sau da yawa don cire zinari. Wannan sassaucin ya sa ya zama zaɓin da aka fi so don yawancin ayyukan hakar ma'adinai a duniya, saboda yana rage buƙatar ma'adinai mai tsada - takamaiman fasaha na sarrafawa.

2. Rashin Amfanin Sodium Cyanide a cikin Leaching na Zinariya

Haɗarin Muhalli

A mafi muhimmanci drawback na Sodium cyanide shine matsananciyar guba. Cyanide yana da matukar kisa ga rayuwar ruwa, tsuntsaye, da dabbobi masu shayarwa. A yayin da ruwan cyanide ya zube a wurin da ake hakar ma'adinai, zai iya gurɓata maɓuɓɓugar ruwa da ke kusa, wanda ya kai ga mutuwar kifaye da sauran halittun ruwa. Ko da ƙananan adadin cyanide a cikin ruwa na iya tarwatsa dukkan halittu. Alal misali, cyanide zai iya hana aikin cytochrome c oxidase a cikin sel, yana hana amfani da iskar oxygen na yau da kullum a cikin numfashi na aerobic.

Abubuwan Bukatun Tsare-tsare

Saboda gubarsa, amfani da sodium cyanide a cikin hakar gwal yana ƙarƙashin ƙa'idodi masu tsauri. Kamfanonin hakar ma'adinai dole ne su saka hannun jari a cikin nagartaccen tsarin sarrafa shara don hana cyanide shiga cikin muhalli. Suna buƙatar aiwatar da shirye-shiryen saka idanu don tabbatar da cewa matakan cyanide a cikin ruwa da iska suna cikin iyakokin da aka yarda. Waɗannan ka'idoji na ƙa'idodi suna ƙara ƙimar aiki na kamfanonin hakar ma'adinai, saboda dole ne su ware albarkatun don bin ƙa'idodi.

Hatsarin Lafiya ga Ma'aikata

Ma'aikatan da ke cikin aikin leaching na zinariya ta amfani da sodium cyanide suna cikin haɗarin fallasa. Shakar numfashi ko saduwa da fata tare da cyanide na iya haifar da munanan matsalolin lafiya, gami da ciwon kai, juwa, tashin zuciya, da kuma a lokuta masu tsanani, mutuwa. Kamfanonin hakar ma'adinai suna buƙatar ba da horo mai yawa na aminci da kayan kariya ga ma'aikatan su don rage haɗarin. Duk da haka, har yanzu hatsarori na iya faruwa, wanda ke jefa rayuwar ma'aikata cikin haɗari.

A ƙarshe, sodium cyanide yana ba da fa'idodi daban-daban dangane da inganci, farashi - inganci, da daidaiton tama a cikin tsarin leaching na gwal. Koyaya, ba za a iya yin watsi da haɗarinsa na muhalli, ƙayyadaddun buƙatun tsari, da haɗarin lafiyar ma'aikaci ba. Yayin da masana'antar hakar ma'adinai ke ci gaba, ana ƙara buƙatar haɓaka wasu hanyoyin leaching waɗanda ke da alaƙa da muhalli da kuma tattalin arziƙi, tare da kiyaye ƙa'idodin hakar inganci da aka samu a halin yanzu tare da sodium cyanide.