
Gabatarwa
sodium cyanide (NaCN) wani fili ne mai guba mai guba da ake amfani da shi sosai a cikin sassan masana'antu da yawa, gami da hakar gwal da azurfa, lantarki, da haɗin gwiwar kwayoyin halitta. Abubuwan da ke da sinadarai na musamman sun sanya shi reagent wanda ba makawa a cikin wasu hanyoyin masana'antu. Koyaya, rashin dacewa, ajiya, ko zubar da shi Sodium cyanide na iya fitar da jerin mummunan sakamako ga muhalli, yana haifar da babbar barazana ga ingancin ƙasa, albarkatun ruwa, da ingancin iska. Fahimtar waɗannan barazanar da aiwatar da ingantattun hanyoyin kariya suna da matuƙar mahimmanci ga kiyaye muhalli da kuma rayuwar ɗan adam.
Kayayyaki da Tushen Sodium Cyanide
Sodium cyanide fari ne, mai kauri mai kauri wanda ke nuna babban solubility a cikin ruwa. Yana da ƙamshin almond mai ɗaci, kodayake ba kowa ba ne zai iya gane wannan warin. A cikin masana'antu, ana cinye shi da yawa. Alal misali, a cikin masana'antar hakar gwal da azurfa, tsarin cyanidation yana aiki sodium Cyanide don narkar da karafa masu daraja daga ma'adinai. Wannan tsari ya haɗa da samar da ƙarfe mai narkewa - cyanide complexes. Masana'antu masu amfani da lantarki suna amfani da shi don saka wani ɗan ƙaramin ƙarfe na bakin ciki akan wasu abubuwa daban-daban, kuma yana aiki azaman maɓalli mai mahimmanci a cikin haɗar mahaɗan kwayoyin halitta masu yawa a cikin masana'antar sinadarai. Abin baƙin ciki shine, zubewar haɗari a lokacin sufuri ko samarwa, ayyukan zubar da shara mara kyau, da ɗigo daga wuraren ajiya sune tushen gama gari waɗanda ta hanyar su. sodium cyanide za a iya saki a cikin yanayi.
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
Lokacin da sodium cyanide ya haɗu da acid, gishirin acid, ruwa, danshi, ko Carbon Yana iya samar da iskar hydrogen cyanide mai guba da kuma mai kama da wuta (HCN). Ana iya fitar da wannan iskar a cikin yanayi, musamman a wuraren masana'antu inda zubewar iska ko kuma rashin kulawa da kyau ke faruwa. Iskar hydrogen cyanide tana da matuƙar haɗari domin mutane da dabbobi za su iya shaƙa ta cikin sauƙi. Shaƙa 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)
Kariya na numfashi: A cikin wuraren da sodium cyanide zai iya yiwuwa, kamar a lokacin samarwa, sufuri, ko kuma idan akwai yuwuwar yadudduka, ma'aikata dole ne a sanye su da kariya ta numfashi mai dacewa. Ana ba da shawarar na'urorin numfashi na kai-da-kai (SCBAs) don yanayin haɗari mai girma, yayin da suke samar da ingantaccen tushen iska mai tsabta, yadda ya kamata ya hana inhalation na cyanide - mai ɗauke da ƙura ko gas. Don ƙananan yanayin fallasa, ana iya amfani da iska - masu tsabtace numfashi tare da takamaiman tacewa da aka ƙera don cire mahadi na cyanide, amma tasirin su ya dogara sosai akan dacewa mai dacewa da tace mutunci.
Kariyar fata da Ido: Sodium cyanide na iya haifar da kuna mai tsanani idan aka hadu da fata da idanu. Don haka, ya kamata ma'aikata su sanya cikakkun kayan sinadarai na jiki - masu juriya, gami da safar hannu da takalma. Gilashin tsaro ko garkuwar fuska suna da mahimmanci don kare idanu daga kowane fantsama ko ƙura. Dole ne a yi waɗannan riguna masu kariya da kayan da ba za su iya jure wa sodium cyanide ba don tabbatar da iyakar aminci.
Sauran Kayan Kariya: Bayan kariyar numfashi, fata, da ido, ma'aikata su kuma sanya huluna masu ƙarfi a wuraren da akwai haɗarin faɗuwa abubuwa da kuma kariya mai dacewa idan suna aiki a cikin yanayin hayaniya mai alaƙa da ayyukan sodium cyanide.
2. Matakan Tsaro na Wurin aiki
Storage: Sodium cyanide ya kamata a adana shi a cikin keɓewa, mai da iska mai kyau, kuma a kulle wurin da aka keɓe da sauran sinadarai, musamman waɗanda za su iya amsawa da shi. Dole ne a rufe kwantena ɗin da kyau kuma a gina su daga kayan da ke da juriya ga lalata ta sodium cyanide, irin su polyethylene mai girma ko bakin karfe. Takamaiman share fage akan kwantena yakamata su nuna abinda ke ciki, haɗari, da umarnin kulawa. Wuraren ma'aji ya kamata kuma a sanye su da wuraren da za a iya zubar da su, kamar diks ko trays, don hana yaduwar duk wani leaks na sodium cyanide.
Hanyoyin Gudanarwa: Duk sarrafa sodium cyanide yakamata a gudanar da shi a cikin yanayi mai sarrafawa tare da tsauraran matakan aiki. Ya kamata a horar da ma'aikata a kan yadda ya kamata dagawa, zubowa, da canja wurin dabaru don rage haɗarin zubewa ko fantsama. Kayan aikin da ake amfani da su don sarrafa sodium cyanide yakamata a yi su da kayan da ba su da haske don hana kunna duk wani gauraye mai yuwuwa. Bayan kowane amfani, kayan aiki da wuraren aiki ya kamata a tsaftace su sosai kuma a lalata su don cire duk wani alamar sodium cyanide.
samun iska: isassun iska yana da mahimmanci a wuraren aiki inda sodium cyanide yake. Ya kamata a shigar da tsarin iskar shaye-shaye na gida a wuraren da za a iya fitarwa, kamar lokacin buɗe kwantena ko yayin ayyukan samarwa. Gabaɗaya samun iska a duk faɗin wurin aiki ya kamata kuma ya isa don kula da ingancin iska da tsoma duk wani barbashi na sodium cyanide na iska ko vapors. Kulawa na yau da kullun na ingancin iska a wurin aiki ya zama dole don tabbatar da cewa matakan fallasa sun kasance cikin iyakoki masu karɓuwa.
3. Horon Ma'aikata
Wayar da kan Hazard: Duk ma'aikatan da za su iya yin hulɗa da sodium cyanide, ciki har da wadanda ke da hannu a cikin samar da shi, sufuri, ajiya, da gaggawa, dole ne su sami horo mai zurfi game da haɗari da ke tattare da sinadaran. Wannan ya haɗa da fahimtar gubarsa, hanyoyin da za a iya ɗauka (hankali, sha, da haɗuwa da fata), da alamun guba na cyanide.
Amintaccen Gudanarwa da Ajiya: Ya kamata a horar da ma'aikata a kan yadda ya kamata a kula da tsarin ajiya kamar yadda aka bayyana a sama. Hakanan ya kamata su san amfani da kayan kariya na sirri da yadda ake bayarwa da kyau da kyau. Ya kamata horo ya haɗa da nunin faifai da hannu - akan ƙwarewa don tabbatar da cewa ma'aikata suna da kwarin gwiwa akan iyawarsu don ɗaukar sodium cyanide lafiya.
Koyarwar Amsar Gaggawa: Ya kamata a horar da ma'aikata game da hanyoyin mayar da martani na gaggawa, ciki har da yadda za a gane alamun sodium cyanide leak ko fallasa, yadda za a fara mayar da martani na gaggawa, da kuma yadda za a yi taimako na farko a yayin da guba na cyanide ya faru. Ya kamata a gudanar da atisaye na yau da kullun don gwadawa da inganta tasirin shirin ba da agajin gaggawa.
Matakan Gaggawa
1.Martanin Lamarin
Warewa da Ficewa: Idan ruwan sodium cyanide ya zube ko ya zube, a ware wurin da abin ya shafa nan da nan don hana yaduwar abu mai guba. Ya kamata a fara aiwatar da hanyoyin ƙaura da sauri, kuma duk ma'aikatan da ba su da mahimmanci ya kamata a matsar da su zuwa amintaccen nisa sama da wurin da abin ya faru. Ya kamata a yi alama a fili a fili hanyoyin fitarwa kuma a san duk ma'aikata.
Abun ciki da Tsaftacewa: Ƙungiyoyi na musamman waɗanda aka sanye su da kayan kariya na sirri da kuma zubewar da suka dace - ya kamata a tura kayan amsawa don hana zubewar. Wannan na iya haɗawa da amfani da kayan sha, kamar Carbon aiki ko kuma 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 shawo kan 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 lamarin ya faru na sodium cyanide, hukumomin da suka dace, kamar hukumomin kare muhalli na gida, sassan kashe gobara, da kungiyoyin bayar da agajin gaggawa, ya kamata a sanar da su nan da nan. Sadarwa akan lokaci yana da mahimmanci don tabbatar da haɗin kai da ingantaccen amsa don rage tasirin muhalli da lafiya.
2.Maganin Cyanide - Yana Kunshe da Sharar gida
Hanyar chlorination na alkaline: Wannan hanya ta ƙunshi daidaita pH na cyanide - mai ɗauke da ruwa mai daskarewa zuwa 8.5 - 9 sannan kuma ƙara chlorine-based oxidants. Abubuwan oxidants na tushen chlorine, irin su bleach (yafi NaClO) ko iskar chlorine (Cl₂, wanda ke narkewa cikin ruwa don samar da HClO), suna amsawa da ions cyanide (CN⁻). A mataki na farko, cyanide yana oxidized zuwa cyanate (CNO⁻), wanda ba shi da guba sosai. Ƙarin oxidation na iya canza cyanate zuwa carbon dioxide (CO₂) da nitrogen (N₂). Hanyar yana da sauƙi don aiki kuma yana iya rage yawan abun ciki na cyanide a cikin ruwa mai datti zuwa ƙananan matakin. Duk da haka, ya fi dacewa don magance ruwan datti tare da ƙananan ƙwayar cyanide. Ruwan sharar fage na cyanide mai girma na iya buƙatar ɗimbin adadin chlorine - tushen oxidants, haɓaka farashin magani da yuwuwar samar da gurɓataccen gurɓataccen abu.
Hanyar Matsakaicin Hydrolysis: A cikin wannan hanya, ana sanya cyanide - dauke da ruwa mai tsabta a cikin akwati da aka rufe. Ana kara Alkaki, sannan a rika dumama ruwan datti ana matsawa. A karkashin waɗannan yanayi, cyanide yana fuskantar halayen hydrolysis. Cyanide ions suna amsawa da kwayoyin ruwa don samar da tsarin sodium mai guba (HCOONa) da ammonia (NH₃). Hanyar tana da nau'i mai yawa na daidaitawa ga ƙaddamarwar cyanide a cikin ruwa mai tsabta kuma yana iya ɗaukar hadaddun mahadi na cyanide. Duk da haka, yana buƙatar kayan aiki na musamman don matsa lamba da dumama, yin tsarin gabaɗaya mai rikitarwa. Babban amfani da makamashi da saka hannun jari na kayan aiki kuma yana haifar da tsadar magani.
Hanyar Acidized: A cikin hanyar acidized, an ƙara sulfuric acid zuwa cyanide - dauke da ruwa mai tsabta don daidaita pH zuwa 2 - 3. A karkashin yanayin acidic, cyanide a cikin ruwa mai tsabta yana amsawa don samar da iskar hydrogen cyanide gas (HCN). Tun da yawan iskar hydrogen cyanide kadan ne, iska ta kan bi ta cikin ruwan datti don fitar da iskar hydrogen cyanide, sannan a shigar da iskar a cikin wani maganin alkali don sake amfani da shi. Ɗaya daga cikin fa'idar wannan hanya ita ce yiwuwar dawo da sodium cyanide, wanda yana da wasu darajar tattalin arziki. Koyaya, yana buƙatar tsauraran yanayin aiki kamar yadda iskar hydrogen cyanide yana da guba sosai. Duk wani ɗigon ruwa yayin aiwatarwa na iya haifar da mummunar barazana ga muhalli da lafiyar ɗan adam, wanda ke buƙatar matakan tsaro masu girma da kuma rufe kayan aiki.
Hanyoyin Maganin Halittu: Wasu ƙananan ƙwayoyin cuta suna da ikon lalata cyanide. A cikin hanyoyin maganin halittu, ana amfani da takamaiman ƙwayoyin cuta ko fungi don lalata cyanide a cikin sharar gida. Wadannan ƙananan ƙwayoyin cuta na iya amfani da cyanide a matsayin tushen carbon ko nitrogen ta hanyar jerin halayen enzymatic, suna mayar da shi zuwa abubuwa marasa guba kamar carbon dioxide, ruwa, da ammonia. Hanyoyin jiyya na halittu suna da alaƙa da muhalli kamar yadda ba sa gabatar da adadi mai yawa na reagents na sinadarai. Duk da haka, sau da yawa sun fi kula da yanayin muhalli, kuma ingantaccen magani na iya shafar abubuwa kamar zafin jiki, pH, da kasancewar sauran 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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