Thaum nws los txog rau recyclinghnub ci vaj huam sib luag, qhov tseeb yog qhov nyuaj dua li kev sib cais thiab rov siv lawv cov khoom.Cov txheej txheem rov ua dua tam sim no ua haujlwm tsis muaj txiaj ntsig, tsis hais, tus nqi ntawm cov khoom siv rov qab yog txwv tsis pub siab.Ntawm tus nqi no, nws nkag siab yog tias koj xav yuav lub vaj huam sib luag tshiab nkaus.Tab sis muaj kev txhawb siab los txhim kho lub hnub ci vaj huam sib luag rov ua dua tshiab-txo cov kev cuam tshuam ib puag ncig ntawm kev tsim cov emissions, txo tus nqi, thiab khaws cov e-khoom pov tseg tawm ntawm qhov chaw pov tseg.Nrog rau txoj kev loj hlob sai ntawm lub hnub ci thev naus laus zis, kev ua haujlwm ntawm lub hnub ci vaj huam sib luag thiab rov ua dua tshiab tau dhau los ua ib feem tseem ceeb ntawm lub hnub ci kev lag luam.
Lub hnub ci vaj huam sib luag yog dab tsi?
Silicon-based solar panelsPuas yog cov hnub ci vaj huam sib luag tuaj yeem rov ua dua?Cov lus teb nyob ntawm seb koj lub hnub ci vaj huam sib luag yog ua los ntawm.Ua li no, koj yuav tsum paub ib yam dab tsi txog ob lub ntsiab ntawm lub hnub ci vaj huam sib luag.Silicon yog tam sim no feem ntau siv semiconductor hauv kev ua lub hnub ci hlwb.Nws suav nrog ntau dua 95% ntawm cov qauv muag rau hnub tim thiab yog qhov thib ob uas muaj ntau tshaj plaws hauv ntiaj teb, ua raws li cov pa oxygen.Crystalline silicon hlwb yog tsim los ntawm silicon atoms interconnected nyob rau hauv ib tug siv lead ua lattice.Lub lattice no muab cov qauv tsim uas tso cai rau lub teeb lub zog hloov mus rau hauv hluav taws xob hluav taws xob zoo dua.Hnub ci hlwb ua los ntawm silicon muab kev sib xyaw ua ke ntawm cov nqi qis, kev ua haujlwm siab thiab lub neej ntev, raws li cov qauv yuav tsum tau ua tiav 25 xyoo lossis ntau dua, ua rau ntau tshaj 80% ntawm thawj lub zog.Nyias zaj duab xis hnub ci vaj huam sib luag Nyias zaj duab xis hnub ci hlwb yog tsim los ntawm depositing ib txheej nyias ntawm PV cov ntaub ntawv ntawm ib tug txhawb nqa khoom xws li yas, iav los yog hlau.Muaj ob lub ntsiab ntawm cov yeeb yaj kiab photovoltaic semiconductors: tooj liab indium gallium selenide (CIGS) thiab cadmium telluride (CdTe).Lawv txhua tus tuaj yeem tso ncaj qha rau pem hauv ntej lossis tom qab ntawm lub module nto.CdTe tshwm sim los ua qhov thib ob feem ntau cov khoom siv photovoltaic tom qab silicon, thiab nws cov hlwb tuaj yeem ua tau siv cov txheej txheem tsim nqi qis.Kev ntes yog tias lawv tsis muaj txiaj ntsig zoo li ol' silicon.Raws li CIGS hlwb, lawv muaj cov khoom zoo tshaj plaws ntawm PV cov ntaub ntawv nrog kev ua haujlwm siab hauv chav kuaj, tab sis qhov nyuaj ntawm kev sib txuas ntawm 4 lub ntsiab lus ua rau kev hloov pauv ntawm chav kuaj mus rau theem kev tsim khoom nyuaj dua.Ob leeg CdTe thiab CIGS xav tau kev tiv thaiv ntau dua li silicon kom ntseeg tau tias kev ua haujlwm ntev.
Ntev npaum li cashnub ci vaj huam sib luagkawg?
Feem ntau cov vaj huam sib luag hnub ci vaj huam sib luag ua haujlwm tsis pub tsawg tshaj 25 xyoo ua ntej lawv pib degrade loj.Txawm tias tom qab 25 xyoo, koj cov vaj huam sib luag yuav tsum tau tso tawm lub zog ntawm 80% ntawm lawv tus nqi qub.Yog li ntawd, koj lub hnub ci vaj huam sib luag yuav txuas ntxiv hloov lub hnub ci mus rau hnub ci zog, lawv tsuas yog ua haujlwm tsawg dua lub sijhawm.Nws tsis tau hnov txog rau lub hnub ci vaj huam sib luag kom tsis txhob ua haujlwm tag nrho, tab sis nco ntsoov tias kev degradation feem ntau txaus los txiav txim siab hloov.Ntxiv nrog rau lub sijhawm ua haujlwm tsis zoo, muaj lwm yam uas tuaj yeem cuam tshuam rau kev ua haujlwm ntawm lub hnub ci vaj huam sib luag.Cov kab hauv qab yog, ntev npaum li cas koj lub hnub ci vaj huam sib luag tau tsim hluav taws xob zoo, koj txuag nyiaj ntau dua.
Photovoltaic pov tseg - saib cov lej
Raws li Sam Vanderhoof ntawm Recycle PV Solar, 10% ntawm cov hnub ci vaj huam sib luag tam sim no tau siv dua, nrog 90% mus rau hauv qhov chaw pov tseg.Tus lej no yuav tsum ncav cuag qhov sib npaug raws li thaj chaw ntawm lub hnub ci vaj huam sib luag rov ua dua tshiab tau ua rau kev hloov pauv tshiab.Nov yog qee tus lej los xav txog:
Sab saum toj 5 lub teb chaws yuav tsum tsim kom muaj ze li ntawm 78 lab tons ntawm lub hnub ci vaj huam sib luag pov tseg los ntawm 2050
Recycling solar panels raug nqi ntawm $15 thiab $45
Kev pov tseg cov hnub ci vaj huam sib luag hauv qhov chaw pov tseg uas tsis muaj teeb meem raug nqi ze li $ 1
Tus nqi ntawm kev pov tseg cov pov tseg pov tseg hauv qhov chaw pov tseg yog kwv yees li $ 5
Cov khoom siv rov ua dua los ntawm lub hnub ci vaj huam sib luag tuaj yeem muaj nqis txog $ 450 lab los ntawm 2030
Los ntawm 2050, tus nqi ntawm tag nrho cov khoom siv rov ua dua tuaj yeem tshaj $ 15 billion.
Kev siv lub hnub ci zog txuas ntxiv mus ntxiv, thiab nws tsis yog nyob deb-fetched tias txhua lub tsev tshiab yuav tau nruab nrog lub hnub ci vaj huam sib luag nyob rau yav tom ntej.Rov ua dua cov ntaub ntawv tseem ceeb, suav nrog nyiaj thiab silicon, los ntawm cov hnub ci vaj huam sib luag yuav tsum tau kho lub hnub ci vaj huam sib luag rov ua dua tshiab.Kev ua tsis tiav los tsim cov kev daws teeb meem no, ua ke nrog cov cai los txhawb lawv txoj kev txais yuav dav, yog ib daim ntawv qhia rau kev puas tsuaj.
Cov hnub ci vaj huam sib luag puas tuaj yeem siv dua?
Lub hnub ci vaj huam sib luag feem ntau yog tsim los ntawm cov khoom siv rov ua dua lossis rov siv dua.Cov khoom xws li iav thiab qee cov hlau ua txog li 80% ntawm lub hnub ci vaj huam sib luag qhov loj thiab kuj yooj yim rau rov ua dua.Ib yam li ntawd, cov polymers thiab cov khoom siv hluav taws xob hauv lub hnub ci tuaj yeem rov ua dua.Tab sis qhov tseeb ntawm kev siv lub hnub ci vaj huam sib luag yog qhov nyuaj dua li kev sib cais thiab rov siv lawv cov khoom.Cov txheej txheem rov ua dua tam sim no tsis muaj txiaj ntsig.Qhov no txhais tau tias tus nqi ntawm cov khoom siv rov ua dua tshiab yuav siab dua tus nqi ntawm kev tsim cov vaj huam sib luag tshiab.
Kev txhawj xeeb txog kev sib xyaw ua ke ntawm cov khoom siv
Ze li ntawm 95% ntawm cov hnub ci vaj huam sib luag muag hnub no yog tsim los ntawm crystalline silicon, thiab cov cell photovoltaic yog tsim los ntawm silicon semiconductors.Lawv tau tsim los tiv thaiv cov ntsiab lus rau xyoo lawm.Lub hnub ci vaj huam sib luag yog tsim los ntawm kev sib txuas ntawm photovoltaic cells encapsulated hauv yas thiab tom qab ntawd sandwiched ntawm iav thiab ib daim ntawv rov qab.Ib tug raug vaj huam sib luag muaj ib tug hlau ncej (feem ntau yog txhuas) thiab sab nrauv tooj liab hlau.Crystalline silicon panels feem ntau yog ua los ntawm iav, tab sis kuj muaj xws li silicon, tooj liab, cov nyiaj, tin, txhuas, yas thiab txhuas.Thaum lub hnub ci vaj huam sib luag recycling tuam txhab uas muag tuaj yeem cais cov txhuas thav duab thiab sab nrauv tooj liab hlau, cov cell photovoltaic yog encapsulated nyob rau hauv cov khaubncaws sab nraud povtseg thiab txheej ntawm ethylene vinyl acetate (EVA) yas thiab ces khi rau iav.Yog li ntawd, cov txheej txheem ntxiv yuav tsum tau ua kom rov qab tau nyiaj, siab purity silicon thiab tooj liab los ntawm wafers.
Yuav ua li cas recycle solar panels?
Yog tias koj xav paub yuav ua li cas lawv rov ua dua hnub ci vaj huam sib luag, muaj ib txoj hauv kev mus txog nws.Yas, iav thiab hlau - lub hauv paus tsev blocks ntawm lub hnub ci vaj huam sib luag - tuaj yeem rov ua dua ib tus zuj zus, tab sis nyob rau hauv lub hnub ci vaj huam sib luag, cov ntaub ntawv no sib xyaw ua ib yam khoom.Qhov kev sib tw tiag tiag yog li ntawd nyob rau hauv kev sib cais cov khoom kom rov ua tau zoo, thaum tseem hais txog cov hlwb silicon uas xav tau cov txheej txheem rov ua dua tshiab tshwj xeeb.Txawm hais tias hom vaj huam sib luag, cov thawv sib txuas, cov kab hluav taws xob thiab cov thav ntawv yuav tsum raug tshem tawm ua ntej.Panels muaj li ntawm silicon feem ntau shredded los yog crushed, thiab cov khoom yog mechanically sib cais nyob ntawm seb hom ntawm cov khoom thiab ces xa mus rau txawv recycling txheej txheem.Qee zaum, kev sib cais tshuaj hu ua delamination yuav tsum tau tshem tawm cov txheej txheem polymer los ntawm cov khoom siv semiconductor thiab iav.Cheebtsam xws li tooj liab, nyiaj, txhuas, silicon, insulated cables, iav thiab silicon tuaj yeem yog mechanically lossis chemically cais thiab rov siv dua, tab sis rov ua dua CdTe hnub ci vaj huam sib luag yog ib qho nyuaj dua li cov khoom ua los ntawm silicon.Nws suav nrog kev sib cais ntawm lub cev thiab tshuaj lom neeg tom qab los ntawm nag lossis daus hlau.Lwm cov txheej txheem suav nrog thermally hlawv polymers lossis rub cov khoom sib nrug."Kub riam" thev naus laus zis cais cov iav los ntawm lub hnub ci los ntawm kev hlais los ntawm cov vaj huam sib luag nrog cov hlau ntev ntev rhuab mus rau 356 txog 392 degrees Fahrenheit.
Qhov tseem ceeb ntawm lub hnub ci vaj huam sib luag thib ob ua lag luam rau kev txo cov pov tseg photovoltaic
Kev kho dua tshiab hnub ci vaj huam sib luag muag rau pheej yig dua li cov vaj huam sib luag tshiab, uas mus ntev mus rau kev txo cov hnub ci pov tseg.Txij li tus nqi ntawm cov khoom siv semiconductor xav tau rau cov roj teeb muaj tsawg, qhov txiaj ntsig tseem ceeb yog kev tsim khoom tsawg thiab cov nqi raw khoom.Jay Granat, tus tswv ntawm Jay's Energy Equipment piav qhia tias "Cov vaj huam sib luag tsis muaj ib txwm muaj ib tus neeg txaus siab yuav lawv thiab rov qab siv lawv qhov chaw hauv ntiaj teb,"Thib ob tiam hnub ci vaj huam sib luag yog lub lag luam txaus nyiam nyob rau hauv cov nqe lus ntawm photovoltaic pov tseg txo rau hnub ci vaj huam sib luag uas muaj txiaj ntsig zoo li cov hnub ci tshiab ntawm tus nqi zoo.
Xaus
Cov kab hauv qab yog tias thaum nws los txog rau lub hnub ci vaj huam sib luag rov ua dua tshiab, nws tsis yog ib txoj haujlwm yooj yim thiab muaj ntau yam kev cuam tshuam rau hauv cov txheej txheem.Tab sis qhov ntawd tsis tau txhais hais tias peb tuaj yeem tsis quav ntsej PV rov ua dua tshiab thiab cia lawv mus pov tseg hauv qhov chaw pov tseg.Peb yuav tsum ua tus phooj ywg zoo dua nrog lub hnub ci vaj huam sib luag rov ua dua rau kev qia dub, yog tias tsis muaj lwm yam laj thawj.Nyob rau lub sijhawm ntev, peb yuav saib xyuas peb txoj kev noj qab haus huv los ntawm kev kho lub hnub ci vaj huam sib luag nrog lub siab dawb paug.
Post lub sij hawm: Apr-07-2024