Cov laj thawj cuam tshuam rau kev kho mob ntawm cov khoom siv tua cov dej phwj me me thiab nruab nrab

Lub hauv paus tseem ceeb ntawm kev tua cov dej phwj yog cov dej phwj tawm thaum lub sijhawm tua, suav nrog: kev ntxuav tom qab tua, tshem tawm cov dej ntws tawm, kev ntxuav hauv lub cev, ntxuav hauv av, thiab cov tsiaj txhu pov tseg. Cov dej phwj tuaj muaj ntau cov organic, cov khoom tseem ceeb yog: tsiaj quav, ntshav, tsiaj viscera, tsiaj plaub hau, minced nqaij thiab roj.

Cov yam ntxwv tseem ceeb ntawm cov dej phwj tuaj yog: siab concentration ntawm cov khib nyiab pov tseg, siab concentration ntawm cov pa phem organic, thiab muaj zog fishy tsw. Kev tso tawm ncaj qha ntawm cov dej phwj tuaj no yuav ua rau muaj kev cuam tshuam loj heev ntawm cov dej nyob ib puag ncig, ua rau lub cev huv huv ntawm lub cev, ua rau lub cev dej tig dub thiab tsw ntxhiab, muaj kev cuam tshuam zoo rau ib puag ncig, thiab cuam tshuam. kev noj qab haus huv ntawm cov neeg nyob ib puag ncig.

Raws li qhov xwm txheej ntawm kev tua cov dej phwj tuaj, cov txheej txheem xaiv cov khoom siv me me thiab nruab nrab tua cov dej phwj tuaj ua raws li cov tswv yim hauv qab no:
(1) Txais kev paub tab thiab txhim khu kev qha flotation txoj kev, kev sib cuag lom oxidation ntxiv rau sedimentation, txheej txheem tshuaj tua kab mob; Nyob rau tib lub sijhawm, txais yuav cov txheej txheem kev kho mob xws li kev cuam tshuam cov kab sib txuas, kev sib cais cov roj sediment, thiab cov xuab zeb tshem tawm.
(2) Cov dej khib nyiab yog pretreated ua ntej, thiab qhov zoo thiab qhov ntau ntawm cov dej khib nyiab tau ruaj khov los ntawm cov txheej txheem xws li kev tshuaj ntsuam cuam tshuam, kev sib cais cov roj sediment, thawj cov sedimentation, thiab hloov cov tank, thiab cov kev cuam tshuam ntawm kev kho mob lom tom qab raug txo.
(3) Cov effluent uas muaj cov roj me me yog kho los ntawm huab cua flotation, hydrolysis acidification, thiab lom oxidation kom degrade cov organic pollutants nyob rau hauv cov dej khib nyiab.
(4) Physicochemical method yog siv rau cov dej khib nyiab tom qab kev kho biochemical, thiab cov teeb meem raug tshem tawm hauv cov txheej txheem biochemical raug tshem tawm los ntawm coagulation thiab sedimentation.
(5) Lub effluent tom qab nag lossis daus tuaj yeem tso tawm raws li kev tsim qauv tom qab kev kho tshuaj tua kab mob.
(6) Cov txheej txheem ntws yooj yim, kev tsim kho tus nqi qis, kev lag luam yog kev lag luam, thiab nws yooj yim los tswj.

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