Kev hloov pauv ntawm "Optional" mus rau "Yuav tsum tau" nqe lus nug
Rau ntau qhov chaw ua lag luam, tshwj xeeb tshaj yog cov nyob hauv cheeb tsam ntsib dej tsis txaus, "Zero Liquid Discharge" (ZLD) tsis yog lub zeem muag nyob deb qhib rau kev sib tham, tab sis yog qhov yuav tsum tau ua raws li qhov yuav tsum tau ua thiab cov kab hauv qab rau kev ciaj sia. Txoj cai nruj nruj ib puag ncig yog hloov lub hom phiaj no los ntawm kev xaiv lub luag haujlwm ntawm lub koom haum rau hauv cov lus qhia uas yuav tsum tau ua nrog lub sijhawm meej meej thiab kev sib raug zoo. Txawm li cas los xij, qhov kev sib tw tseem ceeb ntawm txhua tus neeg ua haujlwm hauv chaw ua si yog yuav ua li cas kom ua tau raws li qhov xav tau ntawm ib puag ncig nruj thaum ntsuas kev ntseeg tau thiab kev lag luam muaj peev xwm. Cov kab lus no yog tsom rau kev txheeb xyuas cov xwm txheej tam sim no, nthuav tawm cov txheej txheem thev naus laus zis tseem ceeb, thiab nthuav tawm cov phiaj xwm kev ua tau zoo, theem ua tiav.
► Ntu Ib: Qhov Kev Tsis Taus Ua Los ntawm Txoj Cai-Kev Ua Raws Li Kev Sib Tw
Tam sim no, lub suab teev los ntawm lub teb chaws thiab hauv zos cov tub ceev xwm hais txog kev lag luam dej muaj kuab paug tswj tau ua kom pom tseeb thiab nruj. Cov kev taw qhia ntawm txoj cai evolution yog unambiguous: los tsav txoj kev hloov ntawm industrial parks mus rau recycling dej thiab nyob ze -zero emissions. Lub hauv paus ntsiab lus yog los kho ib puag ncig muaj peev xwm raws li qhov tsis tshua muaj peev txheej, ua kom muaj kev tsim kho kev lag luam thiab kev txhim kho thev naus laus zis los ntawm kev tsim cov qauv tso tawm.
Rau cov chaw ua lag luam, kev npaj ua haujlwm rau thiab ua tiav ZLD tau dhau los ntawm kev nqis peev ib puag ncig; tam sim no nws tau txuas ncaj qha mus rau kev pom zoo ntawm ib puag ncig kev ntsuam xyuas rau cov haujlwm, kev rov ua dua tshiab ntawm cov ntawv tso cai tsim khoom, thiab txawm tias tag nrho cov ntawv pov thawj kev ruaj ntseg ntawm lub tiaj ua si nws tus kheej. Cov chaw ua si uas ua tsis tau raws li cov qauv no yuav ntsib kev pheej hmoo xws li kev txwv kev tsim khoom, kev kaw, lossis txawm tias muaj kev txwv hauv cheeb tsam rau kev pom zoo rau txoj haujlwm tshiab. Yog li ntawd, kev nkag siab tob txog thiab cov lus teb zoo rau txoj cai no yog ib kauj ruam tseem ceeb hauv kev tsim kev sib tw tseem ceeb rau yav tom ntej.
► Ntu Thib Ob: Kev Ua Phem Txhaum Cai Xaiv Cov Khoom Siv Tshuab-Tsis muaj "Silver Bullet", Tsuas yog qhov kev daws teeb meem zoo tshaj plaws
Kev ua tiav qhov tseeb xoom tso tawm, tshwj xeeb tshaj yog rau siab - cov dej qab ntsev nyob rau theem kawg ntawm kev kho mob, yog ib txoj haujlwm tsim kho engineering uas koom nrog kev sib txuas ntawm ntau lub tshuab thev naus laus zis. Qhov tseem ceeb yog nyob rau hauv kev xaiv qhov tsim nyog ua ke ntawm cov thev naus laus zis raws li dej zoo, ntim, thiab kev xav txog nyiaj txiag.
► 1. Ua ntej-kev kho mob thiab kev xav kom txo qis: Tso lub hauv paus rau kev ua haujlwm siab
Ua ntej nkag mus rau lub zog- theem kawg kev kho mob hnyav, qhov ua tau zoo ua ntej- kev kho mob thiab theem siab yog qhov tseem ceeb heev. Qhov no suav nrog kev tshem tawm cov khib nyiab pov tseg, cov khoom siv organic, thiab cov ions tshwj xeeb los ntawm kev siv lub cev, tshuaj, thiab cov txheej txheem lom neeg. Ntawm cov no, cov thev naus laus zis xws li kev siv cov khoom siv ceramic rau RO ua ntej- kev kho mob tuaj yeem ua kom muaj kev ruaj ntseg ntawm cov txheej txheem rov qab osmosis tom qab, nce tus nqi rov qab tag nrho, thiab txo qhov ntim ntawm cov dej khib nyiab uas xav tau kev kho evaporation ntawm qhov chaw.
► 2. Kev soj ntsuam ntawm Evaporation thiab Crystallization Technologies: Sib npaug zog noj thiab kev nqis peev
Rau qhov kawg concentrated brine uas tsis tuaj yeem rov qab siv dua, evaporation thiab crystallization sawv cev rau theem kawg ntawm kev ua tiav ZLD rau siab - dej qab ntsev. Cov thev naus laus zis tseem ceeb suav nrog Multi-Effect Evaporation (MEE) thiab Mechanical Vapor Recompression (MVR) evaporation.
Multi-Effect Evaporation (MEE):Cov thev naus laus zis no yog qhov paub tab thiab ruaj khov hauv kev ua haujlwm, nrog rau kev hloov pauv tau zoo rau kev hloov pauv hauv cov dej zoo. Txawm li cas los xij, nws feem ntau tso siab rau lub qhov cub hluav taws xob thiab muaj lub zog qis dua. Hauv cov cheeb tsam uas muaj cov nqi hluav taws xob siab, nws qhov ntev - cov nqi khiav lag luam tuaj yeem yog qhov tseem ceeb.
Mechanical Vapor Recompression (MVR) Evaporation:Nws cov txiaj ntsig tseem ceeb yog nyob rau hauv nws qhov kev siv hluav taws xob siab heev, nrog rau nws lub zog siv hluav taws xob tseem ceeb yog hluav taws xob, uas txo cov nqi khiav lag luam. Txawm li cas los xij, kev nqis peev thawj zaug rau nws cov ntsiab lus tseem ceeb, lub compressor, yog siab, thiab nws xav tau kev tsim qauv nruj heev thiab kev saib xyuas rau lub cev. Thaum xaiv ib qho MVR evaporator, yuav tsum muaj kev ntsuam xyuas dav siv los txiav txim siab txog cov yam ntxwv ntawm cov khoom siv, ntsuas qhov nyiam, kev ntseeg tau ntawm cov khoom siv, thiab tag nrho cov nqi ntawm lub neej.
Tsis tas li ntawd, cov thev naus laus zis tshiab xws li membrane distillation tab tom tshawb nrhiav rau cov xwm txheej tshwj xeeb, tab sis lawv qhov loj - daim ntawv thov kev lag luam tseem ntsib cov teeb meem cuam tshuam txog flux, membrane lifespan, thiab nqi. Tsis muaj qhov zoo tshaj plaws hauv kev xaiv tshuab; tus yuam sij yog qhov tseeb "techno-economic" kev ntsuam xyuas.
► Ntu Peb: Ib qho Peb -Theem Path rau Phased Implementation-Systematic Advancement, Tiered Achievement
Qhov muag tsis pom kev siv qhov kawg - ntawm - cov chaw kho cov yeeb nkab tsis yog kev txav mus los. Peb pom zoo kom muaj "peb-kauj ruam" lub tswv yim uas pib los ntawm qhov yooj yim mus rau qhov nyuaj, ua qhov tseem ceeb ntawm kev ua tau zoo thiab cov txiaj ntsig.
► Kauj Ruam Ib: Kev Ntsuas Kom Zoo thiab Kev txuag dej
Qhov no yog tus nqi ntau tshaj - kauj ruam zoo. Lub luag haujlwm tseem ceeb yog ua kom paub meej cov kev ntsuas dej sib npaug thiab kev tshuaj xyuas kom tau txais daim duab meej ntawm lub tiaj ua si tag nrho cov khoom muag dej. Los ntawm kev txhim kho cov txheej txheem tsim khoom, kho cov dej xau hauv cov yeeb nkab network, thiab siv cov kev sib cais nruj ntawm cov kwj deg thiab cov dej tsis huv, kev noj cov dej tshiab thiab tsim cov dej khib nyiab tuaj yeem txo qis ntawm qhov chaw. Cov theem no yuav tsum tau nqis peev tsawg thiab tau txais txiaj ntsig sai, tso lub hauv paus ruaj khov rau kev ua haujlwm engineering tom ntej.
► Kauj Ruam 2: Qib Reuse thiab Cascade Recycling
Ua raws li qhov txo qis ntawm tag nrho cov dej ntim, yuav tsum tsim kom muaj ib qho kev siv dej sab hauv. Qhov no suav nrog kev tsim cov dej rov qab siv dua tshiab uas tau kho cov dej khib nyiab, ua tau raws li cov qauv zoo sib txawv, rov qab siv ntau yam txheej txheem nrog cov dej zoo sib xws. Piv txwv li, siab - cov dej zoo rov qab tuaj yeem rov qab siv dua hauv qee cov txheej txheem tsim khoom, thaum cov dej rov qab tau zoo, tom qab kev kho mob, tuaj yeem siv rau cov cua txias, kev tsim kho vaj tse, thiab kev tu txoj kev. Lub hauv paus tseem ceeb ntawm cov kauj ruam no yog "siv dej raws li nws qhov zoo rau daim ntawv thov qib," ua kom muaj txiaj ntsig ntawm cov dej thiab txo qis tag nrho cov dej khib nyiab tawm.
► Kauj Ruam Peb: Kev Kho Mob Thaum Kawg thiab Kev Pabcuam Rov Qab
Rau qhov muaj kuab heev, siab - cov dej qab ntsev uas tsis tuaj yeem tswj tau hauv thawj ob kauj ruam, qhov kawg evaporation thiab crystallization chav pib pib. Cov theem no yog technologically complex thiab intensive nyob rau hauv cov nqe lus ntawm peev thiab zog noj. Lub hom phiaj yog kom rov qab yuav luag tag nrho cov dej los ntawm cov dej khib nyiab, nrog rau cov ntsev seem crystallizing rau hauv cov khib nyiab. Nyob ntawm lawv cov muaj pes tsawg leeg, cov khib nyiab no tuaj yeem siv los ua kev lag luam los ntawm - cov khoom lag luam rau kev rov qab los lossis muab pov tseg kom nyab xeeb raws li cov khoom pov tseg. Nyob rau ntawm no, ua tiav qhov kaw - voj rau xoom tso tawm tiav.
► Ntu 4: Cov Qauv Ua Lag Luam Ua Lag Luam Ua Lag Luam Zoo Tshaj Plaws -Siv Kev Ruaj Ntseg, Sib Koom Cov txiaj ntsig
Tau ntsib nrog cov peev txheej loj thiab kev ua haujlwm tshwj xeeb, cov chaw ua si thiab lawv cov neeg xauj tsev tsis tas yuav ris tag nrho lub nra ntawm ib leeg. Cov qauv kev lag luam tshiab tuaj yeem muab cov kev daws teeb meem.
Public-Private Partnership (PPP) Qauv:Cov qauv no nyiam cov peev txheej ntiag tug los koom ua lag luam, tsim, thiab ua haujlwm hauv nruab nrab ZLD cov chaw. Tsoom fwv los yog chaw ua si ua haujlwm muab kev txhawb nqa txoj cai thiab kev saib xyuas, thaum tus khub ntiag tug yog lub luag haujlwm rau kev siv thev naus laus zis, nyiaj txiag, thiab kev ua haujlwm, rov qab los ntawm kev nqis peev los ntawm kev them cov lag luam rau kev kho dej. Cov qauv no tuaj yeem txo qhov kev pheej hmoo ntawm thawj lub peev ntawm lub tiaj ua si thiab nws cov lag luam thiab qhia txog kev tswj hwm kev ua haujlwm.
Thib peb-Party Environmental Service Model:Ib lub tuam txhab kev pabcuam ib puag ncig kev lag luam tau nqis peev hauv, tsim, thiab ua haujlwm cov chaw, thaum lub tuam txhab them cov nqi kev pabcuam raws li qhov ntim ntawm cov dej kho lossis lwm yam kev pom zoo - raws li cov nqe lus. Qhov no yog zoo li "outsourcing" kev kho dej, tso cai rau cov tuam txhab lag luam tsom mus rau lawv cov khoom tseem ceeb thaum ua kom muaj kev ruaj ntseg ua raws.
Lub hauv paus ntawm ob qho tib si qauv yog kev teeb tsa thiab kev sib koom ua ke ntawm cov cuab yeej technology, peev, kev pheej hmoo ntawm kev ua haujlwm, thiab kev muaj peev xwm ua haujlwm, ua rau txoj hauv kev kom ua tiav ZLD ntau haiv neeg thiab hloov tau.