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Waster Dej Kho Khwv Txwv Los ntawm Purifying Khib Dej

Kev kho cov dej khib nyiab yog kev siv lub cev, tshuaj lom neeg thiab biological txoj kev kho cov dej khib nyiab, kom cov dej ntxuav kom huv, txo cov pa phem, kom rov qab siv cov dej khib nyiab rov qab, rov qab siv dua, siv cov dej ntau. Tus txheej txheem ntawm kev sib cais los yog hloov cov pa phem tawm ntawm cov dej hauv cov dej ua rau tsis huv.

1. Kev Kho Mob Lub Cev

Kev siv dej khib nyiab, uas yog sib cais los ntawm kev siv lub cev thiab txum ua rau hauv cov dej khib nyiab, uas muaj cov thev naus laus zis hauv lub xeev (xws li cov roj thiab cov hlaws roj), muab faib ua kev sib cais, kev sib cais sib cais thiab lub nplaum txoj kev. Txoj kev kho mob raws li lub hauv paus ntawm cov tshav kub pauv kuj yog rau txoj kev kho lub cev.

2. Tshuaj Kho Mob

Los ntawm tshuaj lom neeg cov tshuaj tiv thaiv thiab huab hwm coj mus faib tawm thiab tshem tawm cov yaj, colloidal lub xeev ntawm cov kuab paug hauv cov dej khib nyiab lossis hloov mus rau cov khoom tsis haum hauv kev kho cov dej khib nyiab. Hauv kev kho tshuaj, kev kho mob raws li tshuaj lom neeg cov tshuaj tiv thaiv kev noj tshuaj yog: coagulation, neutralization thiab redox, thiab chav tsev kho mob raws li huab hwm coj hloov: yog extraction, stripping, blowing, adsorption, ion exchange, electrodialysis thiab rov qab osmosis. Qhov tom kawg ntawm ob hom kev ua haujlwm yog hu ua membrane separation technology. Cov txheej txheem unit siv huab hwm coj hloov tau ob qho tib si tshuaj thiab lwm lub cev ua haujlwm, yog li ntawd nws muaj peev xwm raug sib cais los ntawm kev kho tshuaj thiab ua lwm hom kev kho mob hu ua Physicochemical txoj kev.

3. Txoj kev kho cov kab mob lom neeg

Los ntawm cov kab mob ntawm cov kab mob hauv cov kab mob, cov organic kuab paug hauv cov dej khib nyiab, xws li kua, colloid thiab micro raug rho tawm, tau hloov mus rau txoj kev kho cov dej khov thiab ruaj khov. Raws li cov kab mob sib txawv, [1] Cov kab mob lom neeg tuaj yeem faib ua ob hom: aerobic biological treatment and anaerobic biological treatment. Wastewater lom kab mob kev noj haus yog siv dav hauv txoj kev siv tshuaj aerobic biological txoj kev, raws li txoj cai aerobic biological txoj kev kho mob no muab faib ua activated sludge thiab biofilm ob hom. Activated sludge method nws tus kheej yog kev ua haujlwm, nws muaj ntau yam kev khiav hauj lwm. Cov cuab yeej siv tshuaj Biofilm txujci muaj kev lim ntshav, muaj roj ntsha, kev tiv thaiv kab mob oxidation thiab nyuam qhuav tsim lub txaj bio-fluidized. Cov kab mob oxidation lom yog tseem hu ua ntuj lom neeg txoj kev kho mob. Anaerobic lom kab mob kev kho mob, kuj paub tias kev txo cov kev kho mob lom neeg, feem ntau yog siv los kho tshuaj khov nias thiab cov dej ua kua. Cov cuab yeej siv ua yog siv lub pas digestive.

Cov txheej txheem txheej txheem: Cov txheej txheem kev kho mob thawj zaug uas yuav tsum muaj kev kho kom zoo dua, cov kev hloov yuav tsum yog raws li qhov teeb meem, qhov kev siv tas nrho cov chaw kho mob tam sim no, lub tsev kho mob uas twb muaj lub vev xaib ntau dua, qauv lossis kev khiav haujlwm ntawm hom kev hloov, yog tias tsim nyog, ntxiv qee qhov chaw, kom mus raws li kom tau raws li cov txheej txheem emission rau kev kho dej khib nyiab.


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