2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Primary sludge yog tsim los ntawm cov tshuaj nag lossis daus, sedimentation, thiab lwm yam txheej txheem tseem ceeb , whereas secondary sludge yog cov khoom siv pov tseg biomass uas tau los ntawm kev kho mob lom. Qee cov dej phwj tuaj dej phwj muaj peb txoj hauv kev kho mob lom neeg: lub lim dej, cov txheej txheem sludge activated, thiab lub pas dej oxidation. Ib qho thib plaub, tsis tshua muaj txoj hauv kev yog rotating biological contacter. https://www.britannica.com › thev naus laus zis › Primary-treatment
Kev kho dej khib nyiab - Kev kho thawj zaug | Britannica
kuj tau txais septage lossis septic tank cov khib nyiab los ntawm cov tsev kho dej khib nyiab hauv tsev.
sludge yog dab tsi thiab nws tsim li cas?
Sludge yog dej-tsim sedimentary deposit uas yuav suav nrog tag nrho cov khib nyiab uas nqa los ntawm dej thiab cov kab hauv cov kua hauv dej. … Sludge tej zaum yuav raug tsim los ntawm kev sib xyaw ua ke ntawm txhua yam khoom raug tshem tawm hauv dej, suav nrog cov khoom siv xoob xoob, cov ntxhia dej tsis sib haum thiab cov roj.
sludge yog dab tsi?
Cov sludge yog tsim los ntawm ob qho tib si inorganic thiab organic cov ntaub ntawv, ntau ntau ntawm qee cov nroj tsuag cov as-ham, ntau me me ntawm ntau cov kab mob¹ thiab cov tshuaj organic, thiab qee cov kab mob.
txheej txheem kev kho sludge yog dab tsi?
Kev kho dej phwj tuaj piav qhia cov txheej txheem siv los tswj thiab pov tseg cov dej phwj sludgeua thaum kho dej phwj. … Kev kho sludge yog tsom rau kev txo cov sludge qhov hnyav thiab ntim kom txo tau cov nqi pov tseg, thiab txo cov kev pheej hmoo kev noj qab haus huv ntawm kev xaiv pov tseg.
Yim hu ua sludge?
Sludge yog ib cov khoom slurry uas tuaj yeem tsim los ntawm ntau yam txheej txheem kev lag luam, los ntawm kev kho dej, kev kho dej khib nyiab lossis hauv qhov chaw huv. … Muaj cov chaw kho dej khib nyiab tsim cov khib nyiab uas tseem hu ua sludge.
Pom zoo:
Thaum twg siv sludge?
Thaum kho, cov dej phwj tuaj yeem qhuav thiab ntxiv rau hauv qhov chaw pov tseg, siv rau ua liaj ua teb qoob loo ua chiv, lossis ntim nrog lwm cov ntaub ntawv thiab ua lag luam ua "biosolid compost" rau kev siv. hauv kev ua liaj ua teb thiab kev tsim vaj tse.
Nyob hauv sludge digestion tank cov roj uas tsim tawm yog?
∴ Hauv lub sludge digestion tank, cov roj uas feem ntau hloov zuj zus yog methane. Cov pa roj dab tsi yog tsim thaum lub sij hawm sludge digestion? Digested sludge muaj kev koom tes ntawm anaerobic fermentation thiab cov kab mob methanogenic tsim carbon dioxide thiab methane.
Vim li cas thiaj tsim nyog dewatering sludge?
Vim li cas thiaj yuav tsum tau dewatering? Ob lub hom phiaj tseem ceeb ntawm sludge dewatering yog rau pov tseg kom tsawg thiab ua tiav tag nrho cov nqi kev pov tseg. Tsis tas li ntawd, cov sludge ruaj khov tuaj yeem ua haujlwm tau zoo dua thiab tuaj yeem txo qis kev noj qab haus huv.
Cov pa roj twg yog tsim nyob rau hauv anaerobic sludge digester?
Biogas yog tsim thaum lub sij hawm anaerobic digestion thaum cov kab mob ua kom puas (noj) cov ntaub ntawv organic thaum tsis muaj cua (lossis oxygen). Biogas feem ntau yog methane (CH 4 ) thiab carbon dioxide (CO 2 ), nrog tsawg heev dej vapor thiab lwm yam gases.
Vim li cas sludge aerated?
Aeration nyob rau hauv cov txheej txheem activated sludge yog raws li kev tso cua rau hauv lub tank, uas txhawb kev loj hlob microbial hauv cov dej khib nyiab. … Tom qab nyob rau hauv ib lub tank cais, cov kab mob uas ua rau "activated sludge"
