Norway Salmon Farming Wastewater Treatment: MBBR Technology & Sustainable Aquaculture Solutions

Norway Salmon Farming Wastewater Treatment: MBBR Technology & Sustainable Aquaculture Solutions

Raws li qhov tseem ceeb ntawm lub ntiaj teb kev ruaj ntseg khoom noj khoom haus, kev lag luam aquaculture tau nrawm nws txoj kev hloov mus rau kev siv tshuab, kev cog qoob loo, thiab kev loj hlob -. Ntawm lawv, Norway tau dhau los ua tus qauv thoob ntiaj teb hauv kev lag luam aquaculture los ntawm kev tsim txiaj ntawm nws cov xwm txheej tshwj xeeb, kev tswj hwm nruj, thiab kev siv thev naus laus zis txuas ntxiv. Tshwj xeeb tshaj yog nyob rau hauv kev ua liaj ua teb salmon, nws tau tsim ib tug paub tab tag nrho -kev lag luam saw qauv los ntawm kib yug me nyuam mus rau qhov chaw muag khoom. Nws txoj kev txhim kho tau muab cov ntaub ntawv tseem ceeb rau kev lag luam aquaculture thoob ntiaj teb.

• Cov xwm txheej ntawm Norwegian Salmon Farming: Synergistic Coexistence of Natural and Technology

Qhov nce ntawm Norway txoj kev ua liaj ua teb salmon yog qhov tshwm sim los ntawm kev txhawb nqa ob lub txiaj ntsig ntawm ntuj tsim txiaj thiab tib neeg kev cog qoob loo. Lub cheeb tsam Helgeland nyob rau sab qaum teb Norway, nyob ib sab ntawm Arctic Circle, boasts nruam tob fjords, nqaim straits, thiab txias, huv si marine thaj chaw. Cov dej hiav txwv tswj hwm qhov qis- qhov kub thiab txias ib puag ncig haum rau salmon loj hlob txhua xyoo puag ncig, nrog cov as-ham ntau, muab ib qho chaw nyob rau hauv Atlantic salmon. Cov neeg ua liaj ua teb hauv zos Dag Ivar Dahl tau koom nrog kev lag luam ntau xyoo lawm, thiab nws cov liaj teb nyob hauv thaj chaw hiav txwv no, nce ze li ib lab Atlantic salmon. Los ntawm kev tswj hwm thaj chaw hauv hiav txwv kom raug thiab siv txoj kev yug me nyuam, nws tau ua tiav qib siab -kev cog qoob loo zoo.

Kev loj hlob ruaj khov yog lub ntsiab lus tseem ceeb ntawm Norway kev lag luam salmon ua liaj ua teb. Norwegian tsoom fwv tau delineated thaj chaw yug me nyuam los ntawm txoj cai nruj thiab txwv tsis pub yug me nyuam ceev raws ntug dej hiav txwv. Tus naj npawb ntawm cov liaj teb ntawm 28,953 mais ntawm ntug dej hiav txwv yuav tsum tsis pub tshaj 750. Tsis tas li ntawd, tom qab txhua lub voj voog yug me nyuam, cov liaj teb yuav tsum tau so thiab ua tib zoo saib xyuas cov dej hiav txwv kom txo tau qhov cuam tshuam rau cov ecosystem. Nyob rau theem kev lag luam, kev siv zog ua haujlwm los xyaum cov qauv cog qoob loo ntsuab, txhim kho cov qauv pub noj kom txo tau cov pa roj carbon emissions, thiab txhawb kev siv lub zog tauj dua tshiab. Qee lub tuam txhab ua lag luam txais yuav Recirculating Aquaculture Systems (RAS) thiab koom ua ke Moving Bed Biofilm Reactor (MBBR) thev naus laus zis los tsim kom muaj kev kho dej kom zoo, ua tiav cov khoom siv rov ua dua ntawm ntau dua 99% ntawm cov dej yug me nyuam thiab tshem tawm tag nrho kev siv tshuaj tua kab mob thoob plaws hauv cov txheej txheem.

Lub hauv paus ntawm salmon kib yug me nyuam los ntawm Norway's SalMar Group hauv Tromsø yog qhov xwm txheej loj ntawm - nplai daim ntawv thov ntawm MBBR thev naus laus zis. Lub hom phiaj ntawm qhov yuav tsum tau muaj kev ruaj ntseg ntawm cov dej zoo nyob rau hauv lub salmon kib theem, lub hauv paus yuav siv MBBR raws li lub hauv paus kev kho mob ntawm lub recirculating dej system, tso siab - ceev tshem tawm fillers nyob rau hauv cov tshuaj tiv thaiv tank. Cov fillers no muab cov cab cab txaus rau cov kab mob ua haujlwm xws li cov kab mob nitrifying thiab cov kab mob denitrifying, tsim kom muaj lub zej zog biofilm ruaj khov. Thaum yug me nyuam cov dej khib nyiab ntws los ntawm lub tank cov tshuaj tiv thaiv, cov biofilm tuaj yeem txo cov khoom tsis zoo xws li ammonia nitrogen thiab nitrite uas tsim los ntawm salmon metabolism, thiab tib lub sijhawm kho cov dej pH nqi thiab cov ntsiab lus oxygen yaj los ntawm kev ua haujlwm ntawm cov kab mob hauv lub cev, kom cov dej kho tau zoo raws li cov qauv kev yug me nyuam. Piv nrog rau cov txheej txheem kev kho dej hauv lub cev thiab tshuaj lom neeg, daim ntawv thov ntawm MBBR thev naus laus zis ua kom cov ammonia nitrogen tshem tawm ntau dua 95%, txo cov nqi kho dej los ntawm 30%, thiab cov nyhuv purification ntawm lub zej zog microbial txo qis kev siv cov tshuaj tua kab mob, ntxiv kom muaj sia nyob tus nqi thiab zoo ntawm kib.

Txhawm rau hloov mus rau Norway huab cua txias, SalMar Group kuj tau ua kom zoo dua MBBR system los ntawm kev tswj xyuas qhov kub thiab txias kom tswj tau cov dej kub hauv cov tshuaj tiv thaiv tank kom ruaj khov ntawm 12-14 degree, kom ntseeg tau tias kev ua haujlwm microbial nyob rau hauv lub xeev zoo tshaj plaws. Tib lub sijhawm, MBBR txuas nrog cov tshuaj tua kab mob ultraviolet thiab ozone oxidation thev naus laus zis los tsim kom muaj kev lav phib xaub ntawm "biological purification + advanced disinfection", zoo thaiv kev sib kis ntawm cov kab mob. Kev vam khom rau cov dej siv thev naus laus zis uas txhawb nqa los ntawm MBBR, lub hauv paus tau ua tiav lub hom phiaj kev cog qoob loo siab ntawm 300 salmon kib rau ib lub cubic meter ntawm dej hauv ib xyoos. Cov ciaj sia taus ntawm kib yog 15 feem pua ​​​​ntawm cov ntsiab lus siab dua li cov qauv kev yug me nyuam, thiab cov tsiaj nyeg tsiaj tuaj yeem tso ncaj qha mus rau hauv thaj chaw hiav txwv ib puag ncig tom qab kev kho mob yam tsis muaj kev cuam tshuam tsis zoo rau marine ecology, ua raws li cov qauv nruj ntawm Norwegian environmental protection departments. Cov qauv kev sib koom ua ke thev naus laus zis no tsis yog tsuas yog muab cov qauv hloov pauv rau kev yug me nyuam onshore tab sis kuj dhau los ua ib feem tseem ceeb ntawm Norway cov thev naus laus zis thev naus laus zis xa tawm, uas tau siv dav hauv nws txoj haujlwm sib koom ua lag luam txawv teb chaws.

Cov qauv kev txhim kho no ntawm "ecology thawj + kev txhawb nqa thev naus laus zis" tau tsim tsa Norwegian salmon ua cov duab ntawm "sustainable siab- cov khoom hauv dej kawg" hauv kev lag luam thoob ntiaj teb, thiab nws tau tuav txoj haujlwm tseem ceeb hauv Coller FAIRR Ntiaj Teb qeb duas ntawm Cov Protein Sustainable Tshaj Lij Tshaj Plaws.

Tag nrho - kev lag luam saw layout tau ntxiv txhim kho kev lag luam kev sib tw ntawm Norwegian salmon. Thaum ntses salmon ncav cuag qhov kev lag luam tshwj xeeb ntawm 5-6 kilograms, lawv tau thauj mus rau cov chaw ua haujlwm uas nyob ib sab ntawm cov liaj teb thiab xa mus rau txhua qhov chaw ntawm lub ntiaj teb los ntawm cov saw hlau txias hauv 48 teev kom paub meej cov khoom tshiab. Nyob rau tib lub sijhawm, kev lag luam tau tsim kom muaj tag nrho - txheej txheem traceability system cia siab rau blockchain thev naus laus zis, paub txog cov ntaub ntawv pob tshab los ntawm kev yug me nyuam rau lub rooj, uas tsis tsuas yog ua kom muaj kev nyab xeeb ntawm zaub mov tab sis kuj txhim kho kev ntseeg siab ntawm cov neeg siv khoom. Tsis tas li ntawd, Norwegian cov lag luam tau nquag nthuav dav rau hauv siab - nqi- ntxiv cov khoom lag luam, tsim cov khoom sib txawv xws li sashimi thiab grilled salmon kom tau raws li cov kev xav tau ntawm high-end catering thiab tsev neeg noj thoob ntiaj teb.

• Cov ntaub ntawv tseem ceeb ntawm Norwegian Salmon Farming

• Kev Tshawb Fawb Kev Lag Luam thiab Kev Txhim Kho Kev Lag Luam ntawm Norwegian Aquaculture

Norwegian salmon ua liaj ua teb qhia tau hais tias siab -qhib aquaculture zoo nyob ntawm "trinity" ntawm natural endowments, technology innovation, thiab nruj tswj. Qhov tshwj xeeb fjord ib puag ncig muab lub hauv paus tsis tuaj yeem hloov tau, thaum cov cuab yeej ntse thiab Recirculating Aquaculture Systems (RAS) tsav kev ua haujlwm. Tus qauv no tsim lub voj voog tsim txiaj uas cov kev cai ib puag ncig nruj tiv thaiv dhau - kev txhim kho, ua kom muaj kev sib npaug ntawm ecological nrog rau kev loj hlob ntawm kev lag luam.

Saib tom ntej, kev lag luam yog diversifying rau cod, halibut, thiab shellfish kom txo tau kev lag luam. Tsis tas li ntawd, Norway tab tom sib sib zog nqus kev koom tes thoob ntiaj teb, raws li pom hauv kev hloov pauv ntawm RAS thev naus laus zis mus rau Tuam Tshoj (xws li Xiangshan, Ningbo), ua tiav "kev tsim kho thev naus laus zis thoob ntiaj teb thiab thaj chaw tsim khoom." Thaum kawg, Norway ua pov thawj tias kev txhim kho kom ruaj khov thiab kev txhawb nqa thev naus laus zis tsim kom muaj kev sib tw thoob ntiaj teb yeej- yeej rau kev lag luam thiab ib puag ncig.

Xav tias dawb hu rau Rachel los tham ntxiv!

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