
Introduction
sodium cyanide yog ib qho tshuaj lom neeg heev uas pom kev siv dav hauv kev lag luam xws li mining, hlau ua, thiab electroplating. Thaum a sodium cyanide nchuav tshwm sim, lub peev xwm tso tawm ntawm hydrogen cyanide gas ua ib qho kev txhawj xeeb loj. Cov roj no ua rau muaj kev phom sij loj rau tib neeg kev noj qab haus huv thiab ib puag ncig. Cov ntawv tshaj tawm blog no tau mob siab rau tshawb nrhiav cov tswv yim zoo rau kev txo qis kev tso tawm cov pa roj hydrogen cyanide thaum muaj xwm txheej zoo li no.
Nkag siab txog Kev Pom Zoo
Sodium cyanide tuaj yeem hnov mob nrog dej, kua qaub, lossis lwm yam khoom los tsim cov roj hydrogen cyanide. Cov tshuaj tiv thaiv yog thim rov qab, tab sis qee qhov xwm txheej, xws li dej ntau los yog ib puag ncig acidic, tuaj yeem qhia qhov sib npaug ntawm cov roj ntau lawm.
Kev ntsuas tam sim
Kev khiav tawm thiab cais tawm
Qhov tseem ceeb tshaj plaws nyob rau hauv qhov xwm txheej ntawm a Sodium Cyanide kev nchuav yog kom khiav tawm ntawm thaj chaw tam sim ntawd. Teeb tsa qhov chaw ruaj ntseg nyob ib puag ncig ntawm qhov chaw nchuav kom tsis txhob muaj cov neeg tsis tau tso cai tawm. Xyuas kom cov neeg muaj xwm txheej ceev tau ceeb toom thiab nruab nrog cov cuab yeej tiv thaiv tus kheej (PPE). Qhov no suav nrog cov qhov ncauj qhov ntswg nrog cov lim dej uas tsim nyog, hnab looj tes tiv thaiv tshuaj, tsom iav, thiab khaub ncaws tiv thaiv.
Containment ntawm Spill
Ntim cov spilled Sodium cyanide kom tiv thaiv nws txoj kev kis mus. Siv cov khoom siv nqus dej xws li xuab zeb, vermiculite, lossis activated carbon kom nqus tau cov kua lossis cov khoom cyanide. Tsim cov laj kab lossis cov av nyob ib puag ncig qhov chaw nchuav kom tiv thaiv cov cyanide kom tsis txhob mus txog cov dej, cov kav dej ntws, lossis lwm qhov chaw uas muaj kev phom sij.
Kev txo qis ntawm Hydrogen Cyanide Gas tso tawm
cua
Yog tias qhov nchuav tshwm sim hauv tsev, xyuas kom muaj qhov cua zoo kom tawg cov roj hydrogen cyanide. Qhib qhov rais thiab qhov rooj kom tso cua ntshiab rau hauv thiab cia cov pa tawm. Hauv cov chaw tsim khoom, qhib cov tshuab cua tshuab ua kom cua tshuab kom zoo dua. Tab sis ceev faj, vim tias qhov cua tsis zoo yuav kis tau cov pa mus rau lwm qhov chaw.
Neutralization nrog tshuaj Reagents
hydrogen Peroxide: Hydrogen peroxide yog ib qho tshuaj uas siv los ua kom tsis muaj sodium cyanide thiab hydrogen cyanide. Nws oxidizes cyanide rau hauv cyanate, uas tsis tshua muaj teeb meem. Koj tuaj yeem txau a hydrogen peroxide kev daws teeb meem dhau ntawm cov dej nchuav sodium cyanide thiab thaj chaw ib puag ncig kom tsis txhob muaj cov cyanide thiab txo qhov ua tau ntawm hydrogen cyanide gas tso tawm.
Sodium Hypochlorite: Sodium hypochlorite, tseem hu ua bleach, tuaj yeem siv los ua kom tsis txhob muaj cyanide. Nws oxidizes cyanide rau hauv cov tshuaj lom neeg tsawg. Txawm li cas los xij, siv nws nrog ceev faj, vim tias kev siv tsis raug tuaj yeem ua rau muaj kev phom sij los ntawm cov khoom lag luam.
Thiosulfate: Thiosulfate tuaj yeem cuam tshuam nrog cyanide los tsim thiocyanate, uas tsis muaj tshuaj lom. Cov tshuaj tiv thaiv no tuaj yeem pab txo qhov cuam tshuam ntawm hydrogen cyanide gas tso tawm.
Dej Adsorption thiab Scrubbing
Hydrogen cyanide gas dissolves hauv dej. Hauv qee qhov xwm txheej, kev txau cov dej tsis zoo rau hauv huab cua tuaj yeem pab nqus cov pa. Cov roj tau daig hauv cov dej ntws thiab tom qab ntawd poob rau hauv av. Hauv cov chaw tsim khoom, cov khoom siv roj av tuaj yeem ua haujlwm. Cov cuab yeej no hla cov pa paug los ntawm cov kua, feem ntau yog dej los yog tshuaj lom neeg, kom tshem tawm cov pa phem xws li hydrogen cyanide thiab txo nws cov concentration hauv huab cua.
Kev soj ntsuam thiab kuaj xyuas
Tsis tu ncua saib xyuas cov huab cua zoo nyob ib ncig ntawm qhov chaw nchuav rau hydrogen cyanide gas. Siv cov cuab yeej tshawb nrhiav roj xws li electrochemical sensors, infrared sensors, lossis colorimetric raj los ntsuas cov roj concentration. Cov ntaub ntawv no tseem ceeb heev rau kev ntsuam xyuas cov txiaj ntsig ntawm kev txo qis thiab ua kom muaj kev nyab xeeb ntawm cov neeg teb thiab cov pej xeem.
Kev kho lub sij hawm ntev
Thaum qhov kev hem thawj tam sim ntawm hydrogen cyanide gas tso tawm yog tswj tau, kev kho kom ntev ntawm thaj chaw cuam tshuam yog xav tau. Qhov no suav nrog kev tshem tawm thiab pov tseg cov av uas muaj kab mob, decontaminating cov cuab yeej thiab cov chaw, thiab ua kom lub qhov muag tawm ntawm cov cyanide seem. Cov av uas muaj sodium cyanide yuav tsum tau khawb, kho, thiab pov tseg ntawm qhov chaw pov tseg uas muaj kev phom sij.
xaus
Txo qhov tso tawm ntawm hydrogen cyanide roj los ntawm sodium cyanide spills xav tau ceev thiab sib koom tes teb. Los ntawm kev ua raws li kev khiav tawm tam sim ntawd thiab kev tiv thaiv, nrog rau kev ua haujlwm tsis zoo, qhov cua, thiab kev soj ntsuam cov tswv yim, cov kev pheej hmoo tshwm sim los ntawm hydrogen cyanide roj tuaj yeem txo qis heev. Kev cob qhia kom raug rau cov neeg teb thaum muaj xwm txheej ceev thiab kev siv cov tshuaj reagents kom raug yog qhov tseem ceeb ntawm kev tiv thaiv tib neeg thiab ib puag ncig thaum cuam tshuam nrog sodium cyanide spills.
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