
Gabatarwa
Sodium cyanide (NaCN) wani sinadari ne mai guba wanda ake amfani da shi sosai a fannoni daban-daban na masana'antu, ciki har da hakar zinare da azurfa, haƙar ma'adinai, da kuma haɗakar sinadarai. Sifofin sinadarai na musamman da yake da su sun sa ya zama abin da ba makawa a wasu hanyoyin masana'antu. Duk da haka, rashin amfani, adanawa, ko zubar da Sodium cyanide ba daidai ba na iya haifar da mummunan sakamako ga muhalli, wanda hakan ke haifar da barazana ga ingancin ƙasa, albarkatun ruwa, da ingancin iska. Fahimtar waɗannan barazanar da kuma aiwatar da ingantattun hanyoyin kariya suna da matuƙar muhimmanci ga kiyaye muhalli da lafiyar ɗan adam.
Kayayyaki da Tushen Sodium Cyanide
Sodium cyanide fari ne mai kauri wanda ke nuna yawan narkewar ruwa a cikin ruwa. Yana da ƙamshin almond mai ɗaci, kodayake ba kowa ne zai iya fahimtar wannan ƙamshin ba. A masana'antu, ana cinye shi da yawa. Misali, a masana'antar haƙar zinare da azurfa, tsarin cyanidation yana amfani da Sodium Cyanide don narkar da ƙarfe masu daraja daga ma'adanai. Wannan tsari ya haɗa da ƙirƙirar hadaddun ƙarfe mai narkewa - cyanide. Masana'antun Electroplating suna amfani da shi don saka siririn Layer na ƙarfe akan abubuwa daban-daban, kuma yana aiki a matsayin babban kayan aiki a cikin haɗakar mahadi masu yawa na halitta a masana'antar sinadarai. Abin takaici, zubewar bazata yayin sufuri ko samarwa, ayyukan zubar da shara mara kyau, da ɗigon ruwa daga wuraren ajiya sune tushen da aka saba amfani da shi ta hanyar da za a iya fitar da sodium cyanide zuwa muhalli.
Hatsari ga Muhalli
Tasiri akan Kasa
1.Tasirin Kan Karamomin Kasa
Kwayoyin halitta na ƙasa sune "injiniyoyi" na tsarin ƙasa, suna taka muhimmiyar rawa wajen kiyaye daman ƙasa, sauƙaƙe hawan keke na gina jiki, da tabbatar da lafiyar ƙasa gaba ɗaya. Sodium cyanide, ko da a in mun gwada da ƙananan yawa a cikin ƙasa, na iya aiki a matsayin mai hanawa microorganisms ƙasa. Yana iya rushe al'ada na rayuwa ayyuka na kwayoyin cuta, fungi, da sauran amfani microbes. Alal misali, wasu ƙwayoyin nitrogen - masu gyara ƙwayoyin cuta, waɗanda ke da alhakin canza nitrogen na yanayi zuwa wani nau'i mai isa ga shuke-shuke, na iya samun ikon daidaitawar nitrogen ta hanyar cyanide. Wannan rushewa a cikin sake zagayowar nitrogen na iya haifar da raguwar amfanin ƙasa a kan lokaci. A mafi girma da yawa, cyanide zai iya zama mai kisa ga yawancin ƙwayoyin cuta na ƙasa, yana rage bambance-bambancen ƙananan ƙwayoyin cuta da kuma rushe ma'auni mai laushi a cikin ƙasa.
2.Canza Tsarin Ƙasa da Samar da Abinci
Cyanide yana da ikon ɗaure tare da karafa da kwayoyin halitta da ke cikin ƙasa, suna samar da barga. Wannan tsari na ɗaure zai iya sanya mahimman abubuwan gina jiki kamar baƙin ƙarfe, zinc, da jan ƙarfe ba su isa ga shuke-shuke. Bugu da ƙari, lokacin da cyanide ya amsa tare da sassan ƙasa, zai iya haifar da canje-canje a cikin pH na ƙasa. Waɗannan sauye-sauyen pH, bi da bi, suna shafar solubility da wadatar wasu abubuwan gina jiki. Misali, a wasu lokuta, canjin pH na cyanide zai iya haifar da hazo na phosphorus, yana sa ba ya samuwa don ɗaukar shuka. Bugu da ƙari, cyanide na iya rushe tsarin tara ƙasa. Ƙirar ƙasa mai lafiya tana da mahimmanci don kutsawa ruwa, shigar tushen, da iskar ƙasa. Lokacin da wannan tsari ya rushe, ƙasa na iya zama ƙarami, wanda zai haifar da rashin magudanar ruwa da rage yawan iskar oxygen ga tushen shuka.
3. Gurbacewar Kasa da Dogon Zamani
Da zarar sodium cyanide ya shiga cikin ƙasa, dagewarta ya dogara da abubuwan muhalli daban-daban. A wasu yanayi, ƙananan ƙwayoyin ƙasa ko tsarin sinadarai na iya lalata cyanide sannu a hankali. Duk da haka, a cikin yanayin anaerobic ko ƙasa mai yawan acidic, waɗanda ba su da kyau ga lalacewa, cyanide na iya tarawa a cikin ƙasa. Wannan tsayin daka na dogon lokaci yana nufin ƙasa za ta iya zama gurɓata har tsawon shekaru, tare da ci gaba da haifar da barazana ga ci gaban shuka da ƙasa-mazaunan halittu. Bugu da ƙari, ƙaƙƙarfan ƙasa na iya zama tushen gurɓata na biyu. Cyanide na iya shiga cikin ruwan karkashin kasa ko kuma a dauke shi ta hanyar zubar da ruwa, yana yada gurbatar yanayi zuwa wuraren da ke kusa.
Gurbatar Ruwa
Sodium cyanide mai yawan narkewa a cikin ruwa ya sa ya zama babbar barazana ga halittun ruwa. Lokacin da aka sake shi cikin raƙuman ruwa kamar koguna, tafkuna, ko rafuka, da sauri ya narke kuma ya rabu cikin ion cyanide. Ko da a cikin ƙananan ƙima, cyanide yana da guba sosai ga kwayoyin ruwa. Kifi, invertebrates, da amphibians suna da rauni musamman ga bayyanar cyanide. Cyanide na iya tsoma baki tare da tsarin numfashinsu, yana hana karɓar iskar oxygen. A sakamakon haka, kifaye na iya samun raguwar ikon yin iyo, hana haifuwa, da kuma a lokuta masu tsanani, yawan mace-mace. Bincike ya nuna cewa adadin da bai kai 5-7.2 micrograms a kowace lita na cyanide kyauta zai iya yin illa ga kifaye ba, kuma matakan sama da gram 200 a kowace lita suna da saurin guba ga yawancin nau'in kifi. Invertebrates suma suna nuna illa mara-kisa a ƙananan ƙwayoyin cyanide da kuma illar mutuwa a ƙananan matakan da suka fi girma. Bugu da ƙari, cyanide zai iya gurɓata ruwan ƙasa, wanda shine babban tushen ruwan sha ga yawancin al'ummomi. Idan ana amfani da gurɓataccen ruwan ƙasa na cyanide don sha, zai iya haifar da mummunar barazana ga lafiyar ɗan adam, yana haifar da alamu kamar ciwon kai, tashin hankali, tashin zuciya, da kuma mummunan yanayi, mutuwa.
Hawan iska
Idan sodium cyanide ya haɗu da acid, gishirin acid, ruwa, danshi, ko Carbon dioxide, yana iya samar da iskar hydrogen cyanide mai guba da wuta (HCN). Ana iya sakin wannan iskar a cikin yanayi, musamman a wuraren masana'antu inda zubewar iska ko kuma rashin kulawa da kyau ya faru. Iskar hydrogen cyanide tana da matuƙar haɗari domin mutane da dabbobi za su iya shaƙarta cikin sauƙi. Shaƙar ko da ƙaramin adadin hydrogen cyanide na iya haifar da matsalolin lafiya nan take, gami da wahalar numfashi, saurin numfashi, ciwon kai, jiri, kuma a cikin yawan shan iska, yana iya haifar da kamawar numfashi da mutuwa. Baya ga haɗarin lafiya kai tsaye, iskar hydrogen cyanide kuma na iya taimakawa wajen gurɓatar iska a yankin da ke kewaye, yana lalata ingancin iska kuma yana iya shafar lafiyar dukkan yanayin halittu.
Hanyoyin Kariya
Kariyar Tsaro a Wurin Aiki
1.Personal Kariya Equipment (PPE)
Kariyar Numfashi : A cikin muhalli inda ake iya fallasa sinadarin sodium cyanide, kamar lokacin samarwa, jigilarsa, ko kuma idan akwai yiwuwar ɓuya, dole ne ma'aikata su kasance suna da kariyar numfashi mai dacewa. Ana ba da shawarar na'urorin numfashi masu ɗauke da kansu (SCBAs) don yanayi mai haɗari, domin suna samar da ingantaccen tushen iska mai tsabta, wanda ke hana shaƙar cyanide - wanda ke ɗauke da ƙura ko iskar gas. Ga yanayin da ba shi da ƙarfi sosai, ana iya amfani da na'urorin numfashi masu tsarkake iska tare da takamaiman matattara waɗanda aka tsara don cire mahaɗan cyanide, amma ingancinsu ya dogara sosai akan dacewa da ingancin matattara.
Kariyar Fata da Ido : Sodium cyanide na iya haifar da ƙonewa mai tsanani idan ya taɓa fata da idanu. Saboda haka, ma'aikata ya kamata su sanya kayan kariya daga jiki gaba ɗaya, gami da safar hannu da takalma. Gilashin kariya ko garkuwar fuska suna da mahimmanci don kare idanu daga duk wani fashewa ko ƙura. Waɗannan tufafin kariya dole ne a yi su da kayan da ba za su iya shiga cikin ruwa ba don tabbatar da cikakken aminci.
Sauran Kayan Kariya : Baya ga kariyar numfashi, fata, da idanu, ma'aikata ya kamata su kuma sanya huluna masu tauri a wuraren da akwai haɗarin faɗuwa abubuwa da kuma kariyar ji mai dacewa idan suna aiki a wurare masu hayaniya da ke da alaƙa da ayyukan sodium cyanide.
2. Matakan Tsaro na Wurin aiki
Ajiya : Ya kamata a adana sinadarin sodium cyanide a cikin wani wuri na musamman, mai iska mai kyau, kuma mai kulle wanda aka ware shi daga wasu sinadarai, musamman waɗanda za su iya amsawa da shi. Dole ne a rufe kwantena na ajiya sosai kuma a gina su daga kayan da ke jure tsatsa daga sodium cyanide, kamar polyethylene mai yawa ko bakin ƙarfe. Lakabi masu haske a kan kwantena ya kamata su nuna abubuwan da ke ciki, haɗari, da umarnin sarrafawa. Ya kamata kuma a sanya wuraren ajiya da kayan hana zubewa, kamar dikes ko tire, don hana yaɗuwar duk wani sinadarin sodium cyanide da ya zube.
Tsarin Kulawa : Ya kamata a gudanar da duk wani aiki na sarrafa sinadarin sodium cyanide a cikin yanayi mai kyau bisa ga ƙa'idodin aiki na yau da kullun. Ya kamata a horar da ma'aikata kan yadda za su ɗaga, zuba, da kuma canja wurin da ya dace don rage haɗarin zubewa ko faɗuwa. Ya kamata a yi amfani da kayan aikin da ake amfani da su don sarrafa sinadarin sodium cyanide da kayan da ba sa walƙiya don hana kunna duk wani haɗin da zai iya kama da wuta. Bayan kowane amfani, ya kamata a tsaftace kayan aiki da saman aikin sosai kuma a tsaftace su don cire duk wani lahani na sinadarin sodium cyanide.
Samun Iska : Samun isasshen iska yana da matuƙar muhimmanci a wuraren aiki inda akwai sinadarin sodium cyanide. Ya kamata a sanya tsarin iskar shaƙa na gida a wuraren da za a iya fitar da iska, kamar lokacin buɗe kwantena ko lokacin aikin samarwa. Samun iska gabaɗaya a dukkan wuraren aiki ya kamata ya isa ya kiyaye ingancin iska da kuma rage duk wani barbashi ko tururin sodium cyanide da ke cikin iska. Kulawa akai-akai game da ingancin iska a wurin aiki yana da mahimmanci don tabbatar da cewa matakan fallasa sun kasance cikin iyakokin da aka yarda da su.
3. Horon Ma'aikata
Sanarwa Kan Haɗari : Duk ma'aikatan da za su iya hulɗa da sinadarin sodium cyanide, gami da waɗanda ke da hannu a samar da shi, jigilar sa, adanawa, da kuma gaggawa, dole ne su sami cikakken horo kan haɗarin da ke tattare da sinadarin. Wannan ya haɗa da fahimtar gubarsa, hanyoyin da za a iya fallasa shi (shaƙa, shan ruwa, da kuma taɓa fata), da kuma alamun gubar cyanide.
Kulawa da Ajiya Mai Kyau : Ya kamata a horar da ma'aikata kan hanyoyin sarrafawa da adanawa yadda ya kamata kamar yadda aka bayyana a sama. Ya kamata kuma su saba da amfani da kayan kariya na mutum da kuma yadda za su yi amfani da su yadda ya kamata. Horarwa ya kamata ta haɗa da gwaje-gwajen aiki da kuma ƙwarewa ta hannu don tabbatar da cewa ma'aikata suna da kwarin gwiwa kan iyawarsu na sarrafa sodium cyanide lafiya.
Horar da Kai Kan Gaggawa : Ya kamata a horar da ma'aikata kan hanyoyin magance gaggawa, ciki har da yadda ake gane alamun zubewar sinadarin sodium cyanide ko fallasa shi, yadda ake fara kai daukin gaggawa, da kuma yadda ake yin taimakon gaggawa idan gubar cyanide ta faru. Ya kamata a yi atisaye akai-akai don gwadawa da inganta ingancin shirin kai daukin gaggawa.
Matakan Gaggawa
1.Martanin Lamarin
Warewa da Korar Mutane : Idan aka samu kwararar sinadarin sodium cyanide ko kuma zubewa, ya kamata a killace yankin da abin ya shafa nan take domin hana yaduwar gubar. Ya kamata a fara aiwatar da matakan korar mutane cikin gaggawa, kuma a mayar da dukkan ma'aikatan da ba su da mahimmanci zuwa nesa mai aminci daga inda abin ya faru. Ya kamata a yi wa dukkan ma'aikata alama a sarari kuma a san hanyoyin korar mutane.
Tsaftacewa da Tsaftacewa : Ƙungiyoyi na musamman waɗanda aka sanye su da kayan kariya na sirri da kuma zubewa - ya kamata a tura kayan amsawa don hana zubewar. Wannan na iya haɗawa da amfani da kayan sha, kamar Carbon da aka kunna ko vermiculite, don tsotse ruwan sodium cyanide. Ana iya share sinadarin sodium cyanide mai ƙarfi a hankali a sanya shi a cikin kwantena da aka rufe don zubar da shi yadda ya kamata. Bayan an tsaftace zubewar, ya kamata a tsaftace wurin sosai ta amfani da magungunan tsaftacewa da dabarun da suka dace don cire duk wani sinadari na sodium cyanide.
Sanarwa : Idan aka samu wani hatsarin sinadarin sodium cyanide, ya kamata a sanar da hukumomin da abin ya shafa nan take, kamar hukumomin kare muhalli na gida, sassan kashe gobara, da kuma ƙungiyoyin bayar da agajin gaggawa. Sadarwa a kan lokaci yana da matuƙar muhimmanci don tabbatar da an sami daidaito da kuma ingantaccen martani don rage tasirin muhalli da lafiya.
2.Maganin Cyanide - Yana Kunshe da Sharar gida
Hanyar Chlorine ta Alkaline : Wannan hanyar ta ƙunshi daidaita pH na cyanide - wanda ke ɗauke da ruwan shara zuwa 8.5 - 9 sannan a ƙara oxidants masu tushen chlorine. Oxidants masu tushen chlorine, kamar bleach (galibi NaClO) ko iskar chlorine (Cl₂, wanda ke narkewa a cikin ruwa don samar da HClO), suna amsawa da ions na cyanide (CN⁻). A mataki na farko, ana haɗa cyanide zuwa cyanate (CNO⁻), wanda ba shi da guba sosai. Ƙarin oxidation na iya canza cyanate zuwa carbon dioxide (CO₂) da nitrogen (N₂). Hanyar tana da sauƙin aiki kuma tana iya rage yawan cyanide a cikin ruwan shara zuwa ƙaramin matakin. Duk da haka, ya fi dacewa don magance ruwan shara tare da ƙarancin yawan cyanide. Ruwan shara na cyanide mai yawa na iya buƙatar babban adadin oxidants masu tushen chlorine, ƙara farashin magani da kuma yiwuwar haifar da gurɓatattun abubuwa na biyu.
Hanyar Matsi ta Hydrolysis : A cikin wannan hanyar, ana sanya ruwan sharar gida mai ɗauke da cyanide a cikin akwati mai rufewa. Ana ƙara alkaline, sannan a dumama ruwan sharar kuma a matsa shi. A ƙarƙashin waɗannan yanayi, cyanide yana fuskantar halayen hydrolysis. Ion ɗin Cyanide suna amsawa da ƙwayoyin ruwa don samar da sodium formate mara guba (HCOONa) da ammonia (NH₃). Hanyar tana da nau'ikan daidaitawa iri-iri ga yawan cyanide a cikin ruwan sharar gida kuma tana iya sarrafa mahaɗan cyanide masu rikitarwa. Duk da haka, tana buƙatar kayan aiki na musamman don matsi da dumama, wanda ke sa tsarin gabaɗaya ya zama mai rikitarwa. Yawan amfani da makamashi da saka hannun jari a kayan aiki suma suna haifar da babban farashin magani.
Hanyar da aka yi wa acid : A cikin hanyar da aka yi wa acid, ana ƙara sinadarin sulfuric acid zuwa cyanide - wanda ke ɗauke da ruwan shara don daidaita pH zuwa 2-3. A ƙarƙashin yanayin acid, cyanide a cikin ruwan shara yana amsawa don samar da iskar hydrogen cyanide (HCN). Tunda yawan iskar hydrogen cyanide ƙarami ne, ana wucewa ta cikin ruwan shara don fitar da iskar hydrogen cyanide, sannan a shigar da iskar a cikin maganin alkali don sake amfani da ita. Ɗaya daga cikin fa'idodin wannan hanyar ita ce yuwuwar dawo da sodium cyanide, wanda ke da ƙimar tattalin arziki. Duk da haka, yana buƙatar kulawa mai tsauri kan yanayin aiki saboda iskar hydrogen cyanide tana da guba sosai. Duk wani zubewa yayin aikin na iya haifar da babbar barazana ga muhalli da lafiyar ɗan adam, yana buƙatar matakan tsaro masu ƙarfi da rufe kayan aiki.
Hanyoyin Maganin Halittu : Wasu ƙananan halittu suna da ikon rusa cyanide. A cikin hanyoyin maganin halittu, ana amfani da takamaiman ƙwayoyin cuta ko fungi don lalata cyanide a cikin sharar. Waɗannan ƙananan halittu na iya amfani da cyanide a matsayin tushen carbon ko nitrogen ta hanyar jerin halayen enzymatic, suna canza shi zuwa abubuwa marasa guba kamar carbon dioxide, ruwa, da ammonia. Hanyoyin maganin halittu suna da kyau ga muhalli saboda ba sa gabatar da adadi mai yawa na sinadarai masu guba. Duk da haka, sau da yawa suna da saurin kamuwa da yanayin muhalli, kuma ingancin magani na iya shafar abubuwa kamar zafin jiki, pH, da kasancewar wasu gurɓatattun abubuwa.
Kammalawa
Sodium cyanide, duk da mahimmancinsa a aikace-aikacen masana'antu daban-daban, yana haifar da babbar barazana ga muhalli. Tasirinsa a kan ƙasa, ruwa, da iska na iya haifar da dogon lokaci da nesa - kaiwa ga sakamako ga yanayin muhalli da lafiyar ɗan adam. Duk da haka, ta hanyar aiwatar da matakan kariya masu dacewa a wurin aiki, tsare-tsare masu tasiri na gaggawa, da kuma hanyoyin da suka dace don cyanide - dauke da sharar gida, za mu iya rage waɗannan barazanar. Hakki ne da ya rataya a wuyan masana'antu, hukumomi, da al'umma baki daya, su tabbatar da kiyayewa, adanawa, da zubar da sinadarin sodium cyanide cikin aminci don kare muhallinmu da kiyaye rayuwar al'umma masu zuwa.
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