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Taw Qhia Ntawm Waster Dej Kho Txoj Haujlwm Hauv Cov Xov Tooj

Kev Taw Qhia ntawm Waster Dej Kho Txoj Haujlwm hauv Cov Teeb Meem

Mineral ua wastewater muaj xws li cov ntxhuav ua kua, kua tailings pond overflow thiab kuv cov kua. Cov txheej txheem kua qaub feem ntau yog thauj nrog cov tailings slurry mus rau tailings pas, collectively hu ua tailings dej; li no qhov kev pab cuam Waster Dej Kev Kho Mob kuj yog hu ua tailings dej kho.

Cov lus sau ntawm cov kua dej ntawm cov concentrator muaj feem xyuam nrog cov kab sau, qib thiab xaiv txoj kev ntawm cov hlau. Cov kua dej ntau yuav ua rau ntau tshaj li cov kev ua haujlwm hauv lub teb chaws "three wastes" ntawm qhov kev ua haujlwm yog: pH, suspended solids, cyanide, fluoride, sulfide, Waster Dej Tshuaj cov tshuaj siv oxygen thiab cov hlau hnyav ions.

Raws li cov dej khib nyiab uas muaj nyob rau hauv cov dej khib nyiab, nws muab faib rau peb hom: cov dej khib nyiab uas muaj cov khib nyiab, cyanide-muaj dej khib nyiab thiab cov organic wastewater uas muaj cov organic organic. Txawm li cas los xij, hnyav, hlau, dej khib nyiab, muaj dej ntau ntau, thiab lwm yam kev phom sij nrog txoj kev tshawb nrhav, cov txiv hmab txiv ntoo, xws li flotation cog cov dej uas muaj organic mineral ua, lead, zinc, Tungsten, molybdenum, kub cog muaj cyanide thiab lwm yam tshuaj.

Ua ntej, cov yam ntxwv ntawm cov khoom siv ntxhua cov dej ua qaub ncaug thiab nws muaj kev puas tsuaj

Cov khoom tseem ceeb hauv cov dej khib nyiab yog cov hlau ions, ntxhia pob zeb nrog ntau hom tshuaj lom neeg thiab cov neeg tsis muaj zog, nrog rau cov tshuaj lom cyanide, cyanochrome thiab lwm yam. Wastewater tseem muaj ntau hom kev sib npaug thiab cov hmoov nplua tsis zoo. Ore dej khov dej feem ntau kuj muaj sodium, magnesium, calcium thiab lwm yam sulfate, chloride los yog hydroxide. Kev Ntsuas Dej Hauv Dej Cov kua qaub nyob rau hauv cov khoom siv dej khib nyiab yog tsim los ntawm cov tshuaj cawv uas muaj me me uas yog tov nrog dej los ntawm cov pa oxidation.

Cov pa roj carbon monoxide yuav tsum tshem tawm cov kua qaub, kua qaub thiab alkali, hnyav hlau thiab arsenic, fluoride, ntxhia ua tshuaj, tshuaj lom tshuaj thiab lwm yam pa phem xws li roj, phenol, ammonium, phosphine thiab lwm yam. Heavy hlau xws li tooj liab, txhuas, zinc, chromium, mercury thiab arsenic ions thiab lawv cov sib txuas. Cov kev phom sij ntawm lwm cov pa phem yog raws li nram no:

(1) Tshem tawm cov khoom: tshem tawm cov khib nyiab hauv dej tuaj yeem xws li thaiv cov ntses ua rau cov ntses, cuam tshuam rau algae photosynthesis los cuam tshuam nrog dej lom neeg nyob hauv lub cev, yog hais tias tshem tawm cov khib nyiab concentration ntau dhau lawm, nws yuav ua rau dej phev ntau, nrog nws cov dej Ua rau av Yog tias cov dej siv los ua dej haus, qhov teeb meem tsis zoo ntawd yog ib yam khoom uas ua rau tib neeg tsis xis nyob thiab yog cov kab mob ntawm cov kab mob thiab kab mob, uas yog teeb meem rau tib neeg lub cev. Txawm tias thaum muaj hlau loj sib txuas nyob rau hauv lub txim, lawv tso tawm rau hauv cov dej hauv qee qhov kev mob (pH poob, qhov zog ntawm lub cev, Cov Tshuaj Dej Puas Lub Tshaj Tshuaj Dej Chelate concentration, thiab lwm yam).

(2) xanthate: uas yog, xanthate, daj ntseg daj hmoov, khaus irritating, yooj yim tawg zom, ofactory valve 0.005mg / L. Cov ntses thiab lwm yam cw dej nyob hauv cov dej uas muaj kab mob nrog xanthate. Lub xanthate yog cov dej nyob hauv dej thiab tsis ruaj tsis khov dej, tshwj xeeb tshaj yog raws li cov mob hauv acidic. Cov kua qaub cwj mem CS yuav yog ib tug phom kislas. Yog li, qhov siab tshaj plaws concentration of butyl xanthate hauv av dej yog 0.005mg / L, thaum lub concentration ntawm sodium butyric acid hauv tus qub Soviet Union yog 0.001mg / L.

(3) cov tshuaj dub: dihydroxy disulfide phosphate raws li lub ntsiab tivthaiv, nrog rau cov impurities, xws li formic acid, phosphoric acid, sulfur cresol thiab hydrogen sulfide. Taw qhia ib qho xim av nplaum oily kua, me ntsis soluble hauv dej, nrog hydrogen sulfide ntxhiab. Nws kuj yog ib qhov chaw ntawm polluting phenol, phosphorus thiab lwm yam pa phem.

(4) Pine roj: uas yog 2 lub roj nplua nuj, Lub Ntsuas Dej Tshuaj kho lub ntsiab lus ntawm kev haus dej haus cawv. Daj daj xim oily pob tshab, kua dej hauv qhov dej, yog cov neeg ua hauj lwm uas tsis yog tshuaj lom neeg ntxhia, tab sis nrog cov ntxhiab tsw, uas tuaj yeem ua rau muaj kev hloov dej hauv cov dej. Vim hais tias Pine roj yog ib tug neeg ua hauj lwm ntau ntau, nws yog ib qho yooj yim los tsim ib qho tsis zoo siab ua npuas ncauj.

(5) cyanide: heev tshuaj lom neeg, nws mus rau hauv tib neeg lub cev, nyob rau hauv qhov kev txiav txim ntawm gastric acid twb hydrolyzed rau hydrocyanic acid thiab tau absorbed los ntawm lub plab, thiab tom qab ntawd ces mus rau hauv cov ntshav. Cov tshuaj hydrocyanic hauv cov ntshav yuav khi rau cov hlau ion ntawm cytochrome oxidase los ua cov oxidized siab hlau chromase acidase, li no poob peev xwm xa cov pa oxygen, ua rau cov kua ntswg hypoxia ua rau lom. Txawm li cas los xij, cyanide tuaj yeem raug tshem tawm ntawm tus kheej-purification hauv dej, yog li yog qhov khoom no siv tau los mus txuas ntxiv rau qhov chaw nyob ntawm cov khoom siv dej khib nyiab hauv lub raj xa dej, cov txheej txheem tshem tawm tuaj yeem ua tiav.

(6) Sulfide: Raws li ib txwm muaj, S, HS hauv dej yuav cuam tshuam rau kev noj qab haus huv ntawm dej, hauv cov zwj ceeb acidic kom tsim tau hydrogen sulfide. Thaum dej hydrogen sulfide ntsiab lus ntawm ntau tshaj 0.5mg / L, cov ntses muaj teebmeem toxic, thiab paub txog qhov tsis hnov tsw ntawm nws cov paib; Waster Dej Kho atmospheric hydrogen sulfide olfactory valve l0mg / m. Tsis tas li ntawd, qis concentrations ntawm CS, tsis muaj dej nyob hauv dej, los ntawm kev ua pa thiab tawv nqaij mus rau hauv tib neeg lub cev, lub sij hawm ntev raug ua rau lom, ua rau cov kab mob neurological Charcote (carbon dioxide) carbon disulfide hysteria.

Qhov thib ob, cov ntsiab cai ntawm kev siv dej ntawm cov neeg siv dej tshuaj hauv Areeter:

(1) yuav tsum siv tag nrho cov kev tailings rau kev pom tseeb thiab kev huv huv.

(2) Yog tias ntuj nag lossis qhov teeb meem tsis tau raws li qhov yuav tsum tau tso tawm, yuav tsum raug siv los ntxiv cov tshuaj flocculant, chemical los yog lwm txoj hau kev.

(3) Yog tias koj xav siv tshuaj kho, nws tsim nyog siv tus kws muag tshuaj. Yog tias tsis yog dais, raws li qhov chaw muaj kev sib paug, kev siv ntau hom yeeb tshuaj, Kev Ntsuas Dej, tiam sis hom tshuaj yuav tsum tsis txhob ntau dhau.

(4) kev siv cov chemicals yuav tsum tsis muaj cov tshuaj lom, tsis muaj tshuaj lom, tsis muaj tshuaj lossis muaj paug qias, qis tus nqi thiab yooj yim kom tau txais cov tshuaj. Concentrator Feem ntau yog siv tshuaj hu ua Waster Water Treatment yog txiv qaub.

(5) yuav tsum tau txheeb xyuas thiab tshawb xyuas cov khoom ua si ntawm cov dej khib nyiab, kev siv nws qhov sib txawv, thiaj li muab cov khib nyiab pov tseg, kev tswj kev ua haujlwm.


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