
Gabatarwa
Tatar da gwal wani tsari ne mai sarkakiya da nufin tsarkake zinare daga ma'adanin sa ko najasa. Daga cikin nau'o'i daban-daban da aka yi amfani da su, amfani da Sodium cyanide a cikin hakar zinari da tsarin tsaftacewa ya kasance na dogon lokaci. Sodium cyanide yana taka muhimmiyar rawa wajen raba zinare daga ma'adanin sa ta hanyar da ake kira Cyanide leaching. Koyaya, amfani da wannan sinadari mai guba mai guba yana haifar da haɗarin muhalli da lafiya, yin Ikon Tushewa cikakkiyar larura.
Matsayin Sodium Cyanide a Tatun Zinare
Tsarin Leaching na Cyanide
Leaching Cyanide hanya ce ta gama gari a cikin hakar gwal da tacewa. Ana amfani da sodium cyanide (NaCN) don narkar da zinariya daga ma'adinai. Tare da iskar oxygen, sodium Cyanide yana amsawa da zinari don samar da rukunin cyanide na gwal mai narkewa. Misali, a cikin tulin tsibi, ana fesa maganin cyanide a kan tulin dakataccen takin da aka baje a cikin manyan mashin tattarawa. Maganin cyanide ya ratsa ta cikin tudun ma'adinai, yana narkar da zinariya, wanda aka tattara a cikin bayani. A cikin tanki leaching, wanda aka gudanar a cikin mafi sarrafawa yanayi kamar manyan tankuna, tsarin yana kama da shi, amma yana haifar da wutsiya a matsayin kayan sharar gida.
Maganganun Sinadarai Sun Shiga
A cikin leaching na cyanide na zinariya, sodium cyanide, a hade tare da oxygen da ruwa, yana amsawa da zinariya a cikin ma'adinai. Wannan hulɗar sinadarai yana haifar da samuwar wani abu mai narkewa wanda ya ƙunshi zinariya. Ana iya sarrafa wannan fili na gwal mai narkewa ta hanyar matakai na gaba don dawo da gwal zalla.
Hatsarin Gurbacewar Sodium Cyanide
Tasirin Muhalli
Gurbacewar Cyanide na iya yin mummunar illa ga muhalli. Idan maganin cyanide ya zubo daga tsarin tsare-tsare kamar riƙon tankuna, tafkuna, ko lokacin sufuri, za su iya gurɓata ƙasa, jikunan ruwa, da iska. A cikin ruwa, cyanide zai iya kashe rayuwar ruwa, yana rushe duk yanayin yanayin. Misali, yana iya hana tsarin numfashi na kifi da sauran halittun ruwa, wanda zai kai ga mutuwarsu. A cikin ƙasa, cyanide zai iya rinjayar ci gaban shuka da ayyukan ƙananan ƙwayoyin ƙasa, wanda zai iya sa ƙasar ba ta dace da aikin noma ba.
Hatsarin Lafiya Ga Mutane
Sodium cyanide yana da matukar guba ga mutane. Ko da ƙananan kuɗi na iya yin kisa. Numfashi, ciki, ko hulɗar fata tare da cyanide na iya haifar da guba mai tsanani. Cyanide yana hana ikon jiki don amfani da iskar oxygen, yana haifar da alamu kamar saurin numfashi, juwa, ciwon kai, kuma a lokuta masu tsanani, gazawar numfashi da mutuwa. Bayyanar dogon lokaci zuwa ƙananan matakan cyanide kuma na iya samun tasirin kiwon lafiya na yau da kullun akan tsarin juyayi, glandar thyroid, da sauran gabobin.
Matakan Kariya
Gudanarwar Injiniya
Tsarin Tsare-Tsare
Abun Farko: Ana amfani da suturar polyurea masu inganci sau da yawa don yin layi na ciki na tankuna masu riƙewa, tafkuna masu riƙewa, da kuma wuraren ajiya inda aka adana maganin cyanide. Polyurea yana ba da kyakkyawan juriya na sinadarai, yana hana lalata tasirin cyanide akan abubuwan da ke tattare da su. Hakanan yana da lokacin warkarwa mai sauri, yana ba da izinin shigarwa cikin sauri da rage raguwar lokacin ayyukan hakar ma'adinai.
Abu na biyu: Bugu da ƙari ga masu layi na farko, tsarin na biyu yana da mahimmanci. Ana iya amfani da suturar polyurea zuwa benaye, ganuwar, da sauran filaye a kusa da wuraren da aka haɗa na farko. Wannan yana haifar da madaidaicin madaidaicin don kama duk wani yuwuwar zubewa ko zubewa. Ko da abin da ke cikin na farko ya gaza saboda yanayin da ba a zata ba kamar lalacewar injina ko lalata, abun da ke ciki na biyu zai iya hana cyanide tserewa zuwa cikin muhalli.
Tsarin Gano Leak
Shigar da na'urorin gano zuriyar ci-gaba yana da mahimmanci. Waɗannan tsare-tsaren na iya ci gaba da sa ido kan amincin tsarin ɗaukar hoto. Misali, wasu tsarin suna amfani da na'urori masu auna firikwensin don gano canje-canje a matsa lamba, kwarara, ko abun da ke tattare da sinadarai a cikin tsarin ɗaukar hoto. Idan an gano zubewar, za a iya daukar matakin gaggawa don hana kamuwa da cutar.
Inganta Tsari
Madadin Hanyoyin Leaching
Masu bincike na ci gaba da binciko wasu hanyoyin da za a bi don yin leaching na cyanide don rage amfani da sodium cyanide. Ɗaya daga cikin irin wannan hanya ita ce bioleaching, wanda ke amfani da ƙananan ƙwayoyin cuta don cire zinariya daga ma'adinan. Wasu ƙwayoyin cuta na iya yin oxidize da sulfur - ma'adanai masu ɗauke da ma'adinai a cikin ma'adinai, suna sakin gwal. Wannan hanya ta fi dacewa da muhalli saboda ba ta ƙunshi amfani da sinadarai masu guba kamar cyanide ba. Wani madadin shine amfani da leaching na thiosulfate, wanda ke amfani da gishirin thiosulfate maimakon cyanide don narkar da zinari. Kodayake leaching na thiosulfate yana da nasa ƙalubale kamar sarrafa tsari mai rikitarwa da ƙarancin dawo da gwal a wasu lokuta, yana ba da mafita mai yuwuwar rage gurɓataccen gurɓataccen cyanide.
Haɓaka Canjin Farko
Haɓaka tsarin dawo da gwal na iya taimakawa wajen sarrafa gurɓataccen gurɓataccen iska. Ta hanyar inganta ingantaccen hakar zinare daga maganin cyanide, za a samar da ƙarancin cyanide mai ɗorewa. Za a iya amfani da fasahar tacewa da fasaha na zamani don tabbatar da cewa an kwato gwal mai yawa daga maganin cyanide kafin a zubar da sharar. Wannan yana rage adadin cyanide wanda ke buƙatar magani a cikin hanyoyin sarrafa sharar gida.
vata Management
Maganin Cyanide - Ya ƙunshi Sharar gida
Cyanide - mai dauke da sharar gida, kamar wutsiya daga ledar tanki, yana buƙatar kulawa da kyau don rage yawan guba. Wata hanyar magani ta gama gari ita ce amfani da iskar oxygenation. Alal misali, ƙara hydrogen peroxide (\(H_2O_2 \)) ko chlorine - tushen oxidants zuwa cyanide - dauke da sharar gida zai iya canza cyanide zuwa ƙananan mahadi masu guba. Ta hanyar wannan tsari na iskar oxygen, ana rage yawan yanayin mai guba na cyanide.
Amintaccen zubar da Sharar da Aka Yi
Bayan jiyya, ana buƙatar zubar da sharar gida lafiya. Ana iya adana wutsiya a cikin tsararrun wutsiya na musamman waɗanda aka jera su da kayan don hana zubewa. Ya kamata waɗannan abubuwan da aka tsare su kasance a wuraren da ke da ƙarancin gurɓata hanyoyin ruwa ko wasu wuraren muhalli masu mahimmanci. Kulawa na yau da kullun na abubuwan da aka kama ya zama dole don tabbatar da cewa ba a sami ɗigogi cikin lokaci ba.
Yarda da Ka'idoji
Dokoki da Dokokin Gudanar da Amfani da Cyanide
Akwai tsauraran dokoki da ka'idoji a matakan gida, na ƙasa, da na duniya waɗanda ke tafiyar da amfani, ajiya, sufuri, da zubar da sodium cyanide a cikin Gyaran gwal masana'antu. Alal misali, a ƙasashe da yawa, ana buƙatar kamfanonin hakar ma'adinai su sami izini don amfani da cyanide, wanda ya haɗa da nuna cewa suna da matakan da suka dace na kawar da gurbataccen yanayi. Dole ne su kuma kiyaye takamaiman iyaka akan adadin cyanide da za a iya saki a cikin muhalli.
Sa ido da Aiwatar da su
Hukumomin gwamnati ne ke da alhakin sanya ido kan yadda ake tafiyar da ayyukan tace zinare tare da wadannan ka'idoji. Ana gudanar da bincike akai-akai na wuraren hakar ma'adinai, dakunan gwaje-gwaje, da wuraren sarrafa sharar don tabbatar da cewa kamfanoni suna bin hanyoyin da suka dace na sarrafa sodium cyanide. Idan ba a bi ka'ida ba, ana iya zartar da hukunci, wanda zai iya haɗawa da tara, dakatar da ayyuka, ko soke izini.
Kammalawa
Amfani da sodium cyanide a cikin tace zinari shine takobi mai kaifi biyu. Duk da yake hanya ce mai tasiri don hakar gwal, haɗarin gurɓataccen gurɓataccen abu yana da mahimmanci. Koyaya, ta hanyar haɗakar sarrafa injiniyoyi, haɓaka tsari, sarrafa sharar gida mai kyau, da ƙaƙƙarfan bin ka'ida, yana yiwuwa a rage mummunan tasirin gurɓataccen gurɓataccen sodium cyanide a cikin aikin tace zinare. Ci gaba da bincike da haɓaka wasu fasahohin fasaha da ingantattun matakan kula da gurɓataccen iska suna da mahimmanci don tabbatar da ci gaba mai dorewa na masana'antar tace zinare tare da kare muhalli da lafiyar ɗan adam.
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