Kev daws rau dej phwj kho hauv Soybean Production
Lub ntiaj teb kev lag luam loj ntawm cov kua protein yuav tsum ncav cuag kwv yees li 15 billion US las hauv 2025 thiab tau kwv yees tias yuav nce mus rau 25 billion US las los ntawm 2030, nrog rau kev loj hlob txhua xyoo (CAGR) ntawm 7.5% nyob rau lub sijhawm no.
Kev lag luam thoob ntiaj teb soy protein tau nthuav dav sai los ntawm peb yam: kev noj qab haus huv, cog -raws li lwm txoj hauv kev, thiab kev txhawb nqa txoj cai. Raws li cov qeb tseem ceeb suav nrog ntau dua 50% ntawm cov nroj tsuag cov protein, nws txoj kev loj hlob tau txais txiaj ntsig los ntawm kev muaj koob meej ntawm cov neeg tsis noj nqaij thiab kev xav tau nce ntxiv rau cov tsiaj protein hloov pauv, nrog rau kev siv tas li ntawm siab -cov protein ua haujlwm (xws li emulsifying thiab gelling zog) hauv kev lag luam khoom noj.
I. Txheej txheem cej luam ntawm cov neeg siv khoom rau Soy Protein Wastewater Treatment
Thaum lub sij hawm cov txheej txheem ntawm soy protein ntau, ntau cov concentrated organic wastewater yog generated, feem ntau yog los ntawm lub centrifugal cais theem nyob rau hauv lub "alkali extraction thiab acid nag lossis daus" txheej txheem, thiab hu ua whey wastewater. Hom dej khib nyiab no muaj cov protein ntau, oligosaccharides, COD (Chemical Oxygen Demand), thiab SS (Suspended Solids). Yog tias tsis kho thiab tso tawm ncaj qha, nws yuav yooj yim ua rau dej lub cev eutrophication thiab tsw, ua phem rau ib puag ncig.
Raws li kev tiv thaiv ib puag ncig rau kev lag luam kev lag luam ua zaub mov nruj dua hauv ntau lub teb chaws, cov tuam txhab tsim khoom yuav ntsib kev ua raws li kev cai loj. Yog li ntawd, kev tsim kho kom ruaj khov thiab ua haujlwm zoo ntawm cov dej khib nyiab tau dhau los ua qhov xav tau ceev hauv kev lag luam.
Jinan Guangbo Environmental Protection tau kho cov txheej txheem tshwj xeeb ntawm "cov khoom siv tau zoo- kua sib cais + tiv thaiv -acidification anaerobic kev kho mob + aerobic biodegradation + sib sib zog nqus purification" los daws cov teeb meem ntawm cov hmoov txhuv nplej siab, cov protein ntau, cov khib nyiab siab thiab yooj yim lwj thiab tsw tsim nyob rau hauv cov kua txiv hmab txiv ntoo qhuav. Cia siab rau nws tus kheej-tsim los tiv thaiv-clogging peb-theem cais thiab kev tswj xyuas ntse, cov txheej txheem no tuaj yeem txo qis loj -cov tshuaj lom neeg molecule thiab khaws cov impurities xws li cov taum pauv, zam cov khoom thaiv thiab cov kab mob acidification txaus ntshai ntawm qhov chaw. Cov txheej txheem no tseem muaj zog tiv thaiv kev poob siab, tsim nyog rau cov dej thiab ntim qhov hloov pauv ntawm kev ua haujlwm ntawm soybean sib cuam tshuam, thiab sib koom ua ke biogas rov qab thiab cov protein seem siv cov txheej txheem. Raws li lub hauv paus ntsiab lus ntawm kev ua kom ruaj khov kev ua raws cai, nws txo qis kev ua haujlwm thiab kev saib xyuas cov nqi thiab tsim cov kev sib tw tseem ceeb ntawm "kev kho kom zoo thiab ruaj khov, muaj zog yoog raws, thiab cov peev txheej rov ua dua tshiab thiab tus nqi- ntxiv".
Cov duab qhia txog kev tsim cov kua protein ntau
II. Kev Kho Soy Protein Wastewater
Cov dej khib nyiab
Raws li cov txheej txheem tsim khoom ntws, cov peev txheej ntawm soybean protein cov dej khib nyiab tuaj yeem muab faib ua pawg hauv qab no:
1. Soybean dej (los yog dej soaking): Cov dej khib nyiab tsim thaum lub sij hawm softening ntawm soybeans, muaj dej -soluble non-protein nitrogen, oligosaccharides (xws li paj noob hlis qab zib, waterwort qab zib), organic acids, minerals, thiab ib co pigment tshuaj.
2. Cov dej khib nyiab los ntawm cov txheej txheem extraction thiab acid nag lossis daus: Thaum lub sij hawm "alkali extraction thiab acid nag lossis daus" txheej txheem rau extracting protein, cov dej khib nyiab generated thaum lub sij hawm kho tus nqi pH rau extract proteins thiab cov kua qaub tom qab los nag rau cov protein sib cais muaj residual alkali (NaOH), acid (HCl), thiab soluble organic teeb meem.
3. Cov khoom siv -kua cais cov dej khib nyiab: Cov kua mis niam (tseem hu ua whey khib nyiab) tom qab centrifugal lossis siab pom kev sib cais ntawm cov taum pauv protein, nplua nuj nyob rau hauv unrecycled whey protein, polysaccharides, fatty acids, thiab inorganic ntsev, thiab yog ib tug ntawm cov tseem ceeb contributors rau COD thiab BOD.
4. Rhiav thiab cov khoom siv tu dej: Cov dej khib nyiab uas siv los ntxuav cov khoom siv, cov kav dej, thiab cov thawv ntim khoom, sib xyaw nrog cov protein seem slurry, roj, thiab cov tshuaj ntxuav tu, yog tsis tu ncua tab sis muaj cov pa phem ntau heev.
5. Cov dej yaug hauv av: Cov dej khib nyiab tsim los ntawm kev ntxuav hauv pem teb rhiav, muaj cov khoom siv hluav taws xob tawg, cov taum dregs, thiab lwm yam khoom raug tshem tawm.
Kev sib piv ntawm cov duab qhia cov dej qias neeg thiab cov duab qhia cov dej kho
III. Txheej txheem Flow rau Kev Kho Soy Protein Wastewater
Vim yog qhov muaj kuab paug siab heev, txoj kev kho mob ib leeg tsis tuaj yeem ua tau raws li cov qauv. Yog li ntawd, ntau- txheej txheem kev sib koom tes kho mob feem ntau yog siv, suav nrog cov txheej txheem ntawm lub cev, tshuaj thiab lom.
Cov hauv qab no yog cov txheej txheem ib txwm siv rau kev kho cov kua txiv hmab txiv ntoo pov tseg raws li kev sib sau ua ke ntawm ntau qhov tseeb engineering thiab cov ntaub ntawv kev kawm:
1. Grating interception: Cov dej khib nyiab ua ntej nkag mus rau hauv qhov dej grating, qhov twg lub tshuab zoo grating (nrog mesh loj ntawm 3-4mm) ntxiab cov khoom loj ntawm cov khib nyiab pov tseg thiab ntab impurities, tiv thaiv cov twj tom ntej thiab cov khoom siv.
2. Kev sau thiab kev tswj dej: Cov dej khib nyiab tom qab grating ntws mus rau hauv lub tank sau, qhov dej ntim yog homogenized thiab dej zoo hloov kho; Nyob rau tib lub sijhawm, cov kua alkaline (xws li NaOH) tuaj yeem txiav ntxiv los ntawm kev ntsuas pH hauv online los kho cov pH mus rau qhov nruab nrab (6-9), txo qhov cuam tshuam rau cov kab mob anaerobic tom ntej.
3. Neutralization thiab coagulation: Cov dej khib nyiab kho tau nkag mus rau hauv lub tank neutralization lossis coagulation tank, qhov twg PAC (polyaluminum chloride) lossis PFC (polymeric ferric sulfate) ntxiv rau qhov ua ntej flocculation, ua rau qee cov tshuaj colloidal destabilize thiab aggregate.
4. Huab cua flotation rau tshem tawm cov roj thiab cov khib nyiab tshem tawm: Siv lub tshuab nqus cua flotation (DAF), zoo tshem tawm cov khib nyiab, cov roj cog, thiab qee cov protein ntau-raws li cov organic tshuaj raug tshem tawm ntxiv, tsim cov sludge uas tawm mus rau hauv lub tank sludge, thiab cov kua ntshiab nkag mus rau theem tom ntej.
5. Hydrolysis thiab acidification: Qhov nyuaj -kom-degrade loj-molecule organic tshuaj (xws li cov proteins thiab polysaccharides) decomposed rau hauv yooj yim degradable me me-molecule organic acids thiab amino acids, txhim kho biodegradability ntawm cov dej khib nyiab thiab txo cov load tom qab.
6. Kev kho mob anaerobic (UASB lossis GBIC): Siv lub upflow anaerobic sludge txaj (UASB) los yog GBIC reactor, nyob rau hauv ib qho chaw anaerobic, cov kab mob methane hloov cov organic teeb meem rau hauv biogas (CH₄), nrog rau COD tshem tawm tus nqi ntau dua 85%, thiab ua tiav lub zog rov qab.
7. Kev kho mob aerobic (A/O txheej txheem): nkag mus rau hauv anoxic-aerobic (A/O) system:
Cov seem anoxic siv cov nitrate hauv cov reflux tov kua rau thim rov qab nitrification rau denitrification;
Ntu aerobic kom huv si degrades residual organic teeb meem thiab ua tiav nitrification los ntawm activated sludge txoj kev, txo COD, BOD thiab ammonia nitrogen.
8. Secondary sedimentation (secondary sedimentation tank): Cov effluent los ntawm A/O system undergoes sedimentation thiab sib cais ntawm slurry, nrog rau cov kua ntshiab raws li cov qauv tso tawm los yog nkag mus rau hauv kev kho mob sib sib zog nqus, thiab cov sludge seem yog ib nrab rov qab mus rau pem hauv ntej kawg, thaum tus so yog tawm mus rau hauv lub sludge system.
9. Kev kho mob sib sib zog nqus (filtration + oxidation):
Ntau- cov ntxaij lim dej tawm (xws li quartz xuab zeb thiab cov pa roj carbon activated) tshem tawm cov khoom seem uas raug tshem tawm;
Cov tshuaj oxidation tso tsheb hlau luam ntxiv oxidants (xws li ozone, sodium hypochlorite) kom degrade nyuaj - mus rau -degrade organic tshuaj, kom ntseeg tau qhov zoo ntawm cov effluent.
Kev tua kab mob thiab tso tawm lossis rov siv dua: Yog tias qhov kawg ntawm cov kua dej yuav tsum tau rov qab siv dua, nws yuav tsum raug tshuaj tua kab mob los ntawm ultraviolet lossis chlorine-raws li txoj hauv kev los tua cov kab mob kab mob, thiab tom qab ntawd tuaj yeem siv rau cog tshuaj tua kab lossis dej txias.
Muaj peev xwm nruab nrog ib daim ntawv qhia kev kho dej phwj tuaj
Industrial Wastewater → Tshuaj ntsuam xyuas thiab kho → Coagulation thiab Flotation → Hydrolysis thiab Acidification → Anaerobic Biochemical Treatment → Aerobic Biochemical Treatment → Advanced Treatment → Discharge lossis Reuse
IV. Kev Kawm Tshwj Xeeb ntawm Soy Protein Wastewater Treatment
Kev kho dej khib nyiab ntawm Shandong Nanwang Biotechnology Co., Ltd.
Shandong Nanwang Biotechnology Co., Ltd. yog ib lub tuam txhab uas tsim cov pob kws hmoov txhuv nplej siab thiab qos yaj ywm hmoov txhuv nplej siab. Nws tso tawm 800 cubic meters siab- cov dej khib nyiab ntau txhua hnub, uas muaj cov protein ntau ntau, cov kua qaub, NH3-N thiab lwm yam kuab paug. Raws li ib tus neeg ua haujlwm muaj lub luag haujlwm, lub tuam txhab cov thawj coj tseem ceeb heev rau kev tsim thiab tsim kho qhov chaw kho dej khib nyiab kom ntseeg tau tias cov dej khib nyiab ntau lawm tsis ua rau muaj kuab paug rau lub cev dej thiab ib puag ncig ib puag ncig, thiab ua tau raws li lub teb chaws cov dej phwj tuaj.
Sawv cev ntawm Nanwang Bio, Kuv, tus kws tshaj lij kev lag luam los ntawm Environmental Protection and Sewage Treatment Department ntawm Jinan Guangbo Environmental Protection, tau ua ke kuv tus kheej kev paub hauv kev tsim, txhim kho thiab commissioning ntau tshaj kaum qhov kev kho dej phwj hauv kev lag luam hmoov txhuv nplej siab, nrog rau cov ntaub ntawv kho dej phwj los ntawm cov neeg siv khoom, thiab ua raws li lub hauv paus ntsiab lus ntawm "tag nrho ua tau raws li tus neeg siv khoom xav tau thiab txuag nyiaj hauv txhua qhov kev kho dej phwj hauv kev lag luam. txais yuav cov txheej txheem tseem ceeb ntawm "rotating ntsia hlau + cua flotation tshuab + IC + A / O".
Lub rotating ntsia hlau thiab huab cua flotation muaj nuj nqi tuaj yeem tshem tawm cov khib nyiab pov tseg hauv dej, tsim cov xwm txheej rau cov txheej txheem biochemical tom ntej. Cov txheej txheem IC tuaj yeem tshem tawm feem ntau ntawm COD hauv dej, thiab cov txheej txheem A / O tuaj yeem txo cov ammonia nitrogen zoo.
Jinan Guangbo Environmental Protection Water Treatment Company ua raws li lub hauv paus ntsiab lus ntawm "tsim ib qhov project thiab erecting ib tug tshiab monument". Los ntawm kev tsim ntawm ntau yam kev kho dej khib nyiab, kev kho dej khib nyiab, thiab kev rov ua dua thiab siv cov dej rov qab, nrog rau kev cog lus engineering ntawm cov dej khib nyiab thiab cov dej phwj tuaj, los ntawm kev siv UASB peb -theem cais, IC anaerobic tso tsheb hlau luam thiab aerobic kev kho ib puag ncig kev tiv thaiv technologies, nws ua tiav ib qho kev ua haujlwm, nrog rau kev ua haujlwm, {{2}. kev txhawb nqa.
Raws li lub tuam txhab kev kho dej khib nyiab tsim nyog, peb cog lus tias: Peb yuav tsim qhov project nrog kev ncaj ncees, thiab tsim ib qhov project ntawm kev ncaj ncees. Peb yuav kho txhua tus uas tau tso siab rau thiab pab peb nrog kev ris txiaj! Ua kom koj txaus siab kuj yog peb txoj kev nrhiav mus ib txhis!
