Nrog rau kev tso tawm ntawm "electroplating pollutant paug tus qauv" ntau thiab nruj dua, tam sim no, kev kho cov dej khib nyiab hnyav tau dhau los ua qhov tseem ceeb ntawm kev lag luam loj. Tam sim no qhov feem ntau kho cov dej khib nyiab hnyav hnyav thiab lub xeev dawb, ntawm cov uas, cov dej khib nyiab complexed muaj zog toxicity, kev kho mob kuj nyuaj. Thiab vim tias tsis muaj biochemistry ntawm cov dej zoo li no, yog li tam sim no kev kho lub cev thiab tshuaj lom neeg tseem ceeb, kev kho mob txhais tau tias yog kev siv cov khoom sib tsoo tawg, tus neeg saib xyuas cov hlau hnyav thiab sodium sulfide thiab lwm yam kev kho tshuaj.
Sodium sulfide muaj cov txiaj ntsig ntawm kev sib tsoo thiab sulfide nag lossis daus ntawm cov pa phem hlau hnyav, thiab tus nqi qis, yog li kev lag luam tam sim no siv ntau dua sodium sulfide los kho cov khoom hnyav hlau khib nyiab. Daim ntawv no tsuas yog qhia txog kev siv sodium sulfide thiab ntxiv cov kauj ruam, cov ntsiab lus yog raws li hauv qab no.
Qhov tseeb, cov kauj ruam ntxiv ntawm sodium sulfide yog tsuas yog txiav txim siab raws li qhov tseeb ntawm qhov chaw, cov hauv qab no yog ob peb kauj ruam rau kev siv cov txheej txheem dej phwj tuaj.
1. Sodium sulfide yog ntxiv rau tom qab kawg ntawm lub tank tswj. Vim tias sodium sulfide yog qhov xwm txheej tsis tuaj yeem siv nyob rau hauv acidic tej yam kev mob, yog li nws yog ib qho tsim nyog yuav tsum tau ntxiv alkali ua ntej siv, txhawm rau tiv thaiv kev tsim cov tshuaj lom thiab teeb meem volatilization, tab sis kuj yuav xyuas kom muaj kev kho mob zoo, nrog rau lub xeev complex thiab dawb. lub xeev hlau ion tshuaj tiv thaiv rau sulfide nag lossis daus.
2. Ntxiv sodium sulfide rau hauv cov tshuaj tiv thaiv tank. Yog hais tias nyob rau hauv lub teb debugging, qhov tseeb tej yam kev mob, sodium sulfide yuav muab ntxiv nyob rau hauv lub tawg tom qab (alkaline) cov tshuaj tiv thaiv pas dej ua ke, vim hais tias cov complexation hlau ion tau tawg ua dawb hlau ions, yog li nyob rau hauv cov tshuaj tiv thaiv pas dej ua ke tom qab tawg dua ntxiv sodium sulfide kev kho mob. yog pab tau ntau dua los txhim kho cov kev kho mob ntawm cov pa phem hlau.
3. Ntxiv sodium sulfide nyob rau pem hauv ntej kawg ntawm lub coagulation tank. Ua ntej kev kho coagulation, sodium sulfide yog ntxiv rau precipitate cov hlau ions. Vim tias feem ntau ntawm cov hlau ions tau raug kho, kev kho tom qab coagulation tuaj yeem kho cov hlau ions seem, kom cov dej zoo tuaj yeem ua kom huv thiab tus qauv.
Post lub sij hawm: Lub Xya hli ntuj-25-2023
