Lub hauv paus rau phau ntawv
Thaum lub sij hawm cov txheej txheem kev kho dej hauv nroog, kev ua kom muaj kev phom sij rau ib puag ncig lossis kev noj qab haus huv (kev noj qab haus huv
Cov Hom Ntawm Cov Ciaj Tshuaj Los Ntawm Kev Tawm Tsam Hauv Nroog Wastewater Kissinfection
{{0 {}} trihalomethanes (thms)
Thaum cov tshuaj chlorine siv rau kev siv tshuaj tua kab mob nrog cov organic muaj teeb meem hauv dej, thms {} {1} {}}
{{0 {}} haoacetic acids (haa)
Haloacetic acids yog lwm hom kev ua haujlwm tsim los ntawm cov kab mob cancer {
● MONOOCHLOROACETED ACC (MCAA)
● Dichloroacetic acid (DCAA)
● Trichloroacetic acid (TCAA)
● Monobromoacetic Acid (MBAA)
● Hauromoacetic Acid (Dbaa)
3. nitrosamines
Nitrosamines raug cov tshuaj tua kab mob uas yuav tsim tawm thaum cov chloramines muaj kev sib xyaw ua ke, xws li ndma, suav hais tias yog cov muaj txiaj ntsig zoo heev {}}
4. bromate
Bromate tej zaum yuav tsim thaum ozone yog siv los ntxuav cov dej ntxuav tawm kom bromide . Nws tseem tuaj yeem muaj kev phom sij rau kev noj qab haus huv tam sim no.
5. cholorite thiab chlial
Cov kev sib tw no yog tsim tawm thaum cov txheej txheem chlorine dioxide . kev ua haujlwm siab yuav cuam tshuam rau cov neeg hauv chlorine tuaj yeem cuam tshuam xws li cov menyuam yaus .
Yuav ua li cas nrog cov tshuaj tua kab mob
1. Pretreatment kom tshem tawm cov organic
Tshem cov organic prefectors ua ntej kev ntxuav tawm tuaj yeem txo qis kev tsim ntawm DBPS {{}}}}}} Kev kho mob ntawm cov hauv nroog dej khib nyiab, tusMe ntsiscov txheej txheem tuaj yeem siv tau zoo biodegrade organic teeb meem thiab txo qhov ua tau ntawm DBP tiam hauv qab theem tom qab .
2.} hloov kho cov txheej txheem disinfection
• chloramination: hloov cov tshuaj lis kev cai tsoos nrog chloramine tuaj yeem txo cov ntsiab lus ntawm DBPs xws li Trihalomethanes thiab Haloacetic acids {}}}}
• Advanced oxidation txheej txheem (AOP): sib txuas rau oxidants xws liozone, ultraviolet (UV) thiab hydrogen peroxide yuav ua rau muaj cov tshuaj yeeb dej txig muaj zog thiab txo cov qauv ntawm DBPS .
3.} Siv thev naus laus zis thev naus laus zis
Membrane Sib Cais Tshuab:Membrane sib cais yog ib txoj kev xaiv tshem cov pa paug los ntawm molecular loj siv cov tshuaj tua kab mob ib nrab (ro) thiab ua kom haum rau rov qab siv lossis rho tawm cov xwm txheej zoo yuav tsum .
Txheeb raws roj ntsha ua haujlwm rau cov pa roj carbon (BAC) lim:Kev txheeb xyuas cov pa roj ntsha ua kom tiav cov txiaj ntsig adsorption ntawm cov kab mob orgeidans thiab muaj qee qhov dbps hauv dej, yog li kev txhim kho cov dej zoo .
4.} sludge kev kho mob
Qee cov tshuaj tua kab mob los yog lawv cov kev ua ntej yuav nthuav tawm hauv sludge {{}}}}} {{aquasust'ssludge dewatering tshuabtuaj yeem txo cov ntsiab lus dej hauv sludge mus txog 60%, txo qis kev txo qis cov nqi kho mob sludge
Tag
Cov tshuaj tua kab mob hauv lub nroog lim dej tuaj yeem tsim kev puas tsuaj rau kev noj qab haus huv, peb tuaj yeem ua rau muaj kev nyab xeeb ntawm kev nyab xeeb thiab kev ua kom muaj kev nyab xeeb rau kev nyab xeeb rau kev nyab xeeb rau kev nyab xeeb thiab tsis txaus siab
AQUEASIt cov kev daws teeb meem
Pas dejmuab cov khoom siv dej kho kom zoo thiab cov khoom siv kom pab koj txo cov tshuaj tua dej kom txo qis {}}}}} Yog koj muaj lus nug lossis xav tau, thov koj xavTiv Tauj PebRau ntau cov kev pab txhawb ntxiv .