Kev lag luam hauv tsev tso zis tso quav hauv kev tsim cov dej khib nyiab, cov roj khib nyiab, cov khoom pov tseg, cov tshuaj lom thiab cov suab nrov tuaj yeem ua rau muaj kev puas tsuaj loj ntawm ib puag ncig, nws cov kev tswj hwm, kev tiv thaiv lossis kev tshem tawm kev kho mob, yog li ntawd ib puag ncig tsis cuam tshuam los yog cuam tshuam tsawg dua, tau dhau los ua ib feem tseem ceeb ntawm kev lag luam daim ntawv tso quav tso quav. Kev lag luam hauv tsev tso quav rau dej muaj kuab paug yog qhov hnyav, nrog, cov kua dej (feem ntau tshaj 300 tonnes ntawm dej ib tonne ntawm cov ntaub so ntswg thiab cov ntawv tso quav), cov dej khib nyiab hauv cov ntsiab lus ntawm cov organic teeb meem, biochemical oxygen xav tau (BOD) siab, tshem tawm cov khib nyiab (SS ) ntau dua, thiab muaj cov tshuaj lom neeg, nrog cov xim uas muaj ntxhiab tsw, ua rau muaj kev phom sij rau kev loj hlob ntawm cov kab mob hauv dej, cuam tshuam rau kev lag luam, kev ua liaj ua teb thiab tsiaj txhu thiab cov neeg nyob hauv dej thiab kev tsim kho ib puag ncig. Kev sib sau ntau xyoo, cov khib nyiab uas raug tshem tawm yuav ua rau cov chaw nres nkoj hauv dej, thiab tsim cov tshuaj lom hydrogen sulphide tsw, muaj kev puas tsuaj loj heev.
Cov pa phem Cov txheej txheem tseem ceeb hauv kev lag luam ntawv tso zis tso quav yog kev npaj cov khoom siv raw, pulping, alkali rov qab, tshuaj dawb, luam ntawv tso quav thiab lwm yam. Cov txheej txheem kev npaj cov khoom siv raw ua cov plua plav, tawv ntoo, ntoo chips, nyom kawg; pulping thiab alkali rov qab, cov txheej txheem bleaching ua rau cov pa roj, plua plav, dej khib nyiab, kua qaub residue, thiab lwm yam.; Cov txheej txheem luam cov ntawv tso quav tso dej dawb, txhua tus muaj cov pa phem. Cov pa phem ntawm kev lag luam ntawv tso quav tso rau hauv ib puag ncig tuaj yeem muab faib ua 3 pawg ntawm cov dej qias neeg (Table 1), cov pa phem (Table 2) thiab cov khoom khib nyiab pov tseg.
Cov khib nyiab pov tseg yog rotting pulp, pulp slag, bark, tawg ntoo chips, nyom, nyom cag, nyom, silica-muaj av nkos dawb, txiv qaub slag, sulfuric hlau ore slag, thee tshauv slag, thiab lwm yam., uas nkag mus rau ntawm qhov chaw, leaching. tawm ntawm cov dej turbid kom pollute lub cev thiab dej hauv av. Suab nrov nrov, kuj yog ib qho teeb meem loj hauv kev lag luam ntawv tso quav tso quav.
Kev tiv thaiv thiab tswj kev ua qias tuaj tuaj yeem muab faib ua ob pawg: kev kho mob tsis zoo nyob rau ntawm qhov chaw thiab kev kho dej khib nyiab tawm ntawm qhov chaw.
Yashi daim ntawv tso quav tso tawm los ntawm tag nrho cov txheej txheem lub cev. Cov txheej txheem tsim khoom tsis muaj kev phom sij rau tib neeg lub cev. Cov khoom tiav lawm tsis muaj tshuaj lom neeg seem thiab noj qab nyob zoo thiab nyab xeeb. Siv cov pa roj carbon monoxide es tsis txhob siv cov roj ib txwm siv kom tsis txhob muaj pa phem hauv huab cua. Tshem tawm cov txheej txheem bleaching, khaws cov xim qub ntawm cov nroj tsuag fibers, txo cov dej ntau lawm, zam cov dej phwj tuaj tawm, thiab tiv thaiv ib puag ncig.
Post lub sij hawm: Aug-13-2024
