2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
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.
sludge siv tau dab tsi?
Dej sludge yog cov av zoo li cov seem uas ua rau los ntawm kev kho cov dej khib nyiab. Cov sludge muaj cov hlau hnyav thiab cov kab mob xws li kab mob thiab kab mob. Nws kuj tseem muaj cov khoom muaj txiaj ntsig zoo thiab cov khoom noj xws li nitrogen thiab phosphorus, thiab yog li ntawd muaj txiaj ntsig zoo li chiv lossis av txhim kho.
2 siv dab tsi rau sludge?
Kev siv cov dej phwj hauv nroog sludge li roj txhawb kev txuag ntawm fossil roj emission. Sludge feem ntau yog kho ua ntej pov tseg kom txo cov ntsiab lus dej, fermentation propensity thiab pathogens los ntawm kev siv cov txheej txheem kho xws li thickening, dewatering, stabilization, tshuaj tua kab mob thiab thermal ziab..
sludge yog dab tsi thiab koj ua li cas nrog nws?
Cov seem uas khaws cia hauv cov chaw kho dej phwj yog hu ua sludge (los yog biosolids). Digested sludge yog dhau los ntawm cov kauj ruam dewatering; cov khib nyiab qhuav pov tseg, thiab cov dej xa rov qab mus rau kev kho mob thib ob. …
piv txwv ntawm sludge yog dab tsi?
Sludge yog ib yam khoom uas nyob nruab nrab ntawm cov khoom thiab cov kua. Ib qho piv txwv ntawm sludge yog ib pawg av nkos tsim nyob rau hauv lub txaj dej tom qab dej nyab. Ib qho piv txwv ntawmsludge yog cov khoom siv kho mob los ntawm cov kav dej phwj tuaj. Semisolid cov khoom xws li hom precipitated los ntawm dej phwj kho.
Pom zoo:
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.
Nyob qhov twg yuav nrhiav nyiaj sludge dqb2?
Mus rau lub Tsev fuabtais Naviglobe, ces mus rau sab qab teb sab hnub tuaj. Koj mus rau lub qhov tsua uas coj mus rau Rendarak. Thaum koj mus txog lub qhov tsua, mus rau hauv thiab ua raws txoj kev mus rau sab xis. Thaum koj mus txog thawj ib nrab square cheeb tsam (ua ntej koj pib nce), tig ib ncig thiab rov qab mus rau qhov nkag.
Thaum twg siv i.e. thiab thaum twg siv xws li?
I.e. yog ib qho luv luv rau kab lus id est, uas txhais tau tias "uas yog." I.e. yog siv los rov hais dua ib yam dab tsi uas tau hais yav dhau los txhawm rau kom meej nws lub ntsiab lus. E.g. luv luv rau exempli gratia, uas txhais tau tias "
Thaum twg siv polyacrylamide thiab thaum twg agarose?
Agarose gels siv nrog DNA, vim qhov loj ntawm biomolecules (DNA feem ntau yog ntau txhiab kDa). Rau cov protein gels, polyacrylamide muab daws teeb meem zoo, raws li qhov me me me (50 kDa yog qhov raug) zoo dua rau qhov sib txawv ntawm cov gel.
Kev dewatering cov sludge hauv qab no yog siv?
Sludge dewatering feem ntau ua tau siv cov hauv qab no filtration presses: siv xovxwm, ncej presses, thiab membrane presses (Bień and Wystalska, 2011). Txoj kev twg yog siv rau sludge dewatering? Muaj ntau yam thev naus laus zis rau kev siv tshuab sludge dewatering:
