Metsi a litšila a indasteri ea meriana haholo-holo a kenyelletsa metsi a litšila a hlahisoang ke lithibela-mafu le metsi a litšila a tlhahiso ea lithethefatsi a maiketsetso. Metsi a litšila a indasteri ea meriana haholo-holo a kenyelletsa mekhahlelo e mene: metsi a litšila a tlhahiso ea lithibela-mafu, metsi a litšila a hlahisoang ke lithethefatsi, tlhahiso ea meriana ea China e litšila, metsi a ho hlatsoa le ho hlatsoa metsi a litšila ho tsoa lits'ebetsong tse fapaneng tsa ho lokisa. Metsi a litšila a khetholloa ka ho hlophisoa ho rarahaneng, lintho tse ngata tsa tlhaho, chefo e phahameng, 'mala o tebileng, letsoai le lengata, haholo-holo thepa e futsanehileng ea lik'hemik'hale le ho tsoa ka nakoana. Ke metsi a litšila a indasteri ao ho leng thata ho a hloekisa. Ka nts'etsopele ea indasteri ea meriana ea naha ea heso, metsi a litšila a etsang meriana butle-butle a fetohile o mong oa mehloli ea bohlokoa ea tšilafalo.
1. Mokhoa oa phekolo ea metsi a litšila a meriana
Mekhoa ea phekolo ea metsi a litšila ea meriana e ka akaretsoa e le: phekolo ea lik'hemik'hale tsa 'mele, phekolo ea lik'hemik'hale, phekolo ea lik'hemik'hale le phekolo e kopanetsoeng ea mekhoa e sa tšoaneng, mokhoa o mong le o mong oa phekolo o na le melemo le melemo ea oona.
Phekolo ea 'mele le lik'hemik'hale
Ho ea ka litšobotsi tsa boleng ba metsi a litšila tsa meriana, phekolo ea physicochemical e hloka ho sebelisoa e le mokhoa oa pele ho phekolo kapa oa ka mor'a phekolo bakeng sa phekolo ea lik'hemik'hale. Mekhoa e sebelisoang hajoale ea kalafo ea 'mele le ea lik'hemik'hale e kenyelletsa haholo-holo ho kopanya, ho phaphamala ha moea, adsorption, ho hlobola ammonia, electrolysis, phapanyetsano ea ion le karohano ea membrane.
coagulation
Theknoloji ena ke mokhoa oa ho hloekisa metsi o sebelisoang haholo malapeng le linaheng tse ling. E sebelisoa haholo pele ho kalafo le ka mor'a kalafo ea metsi a litšila a bongaka, joalo ka aluminium sulfate le polyferric sulfate metsing a litšila a setso sa China. Senotlolo sa phekolo e sebetsang ea coagulation ke khetho e nepahetseng le ho eketsoa ha li-coagulants tse nang le ts'ebetso e babatsehang. Lilemong tsa morao tjena, tataiso ea nts'etsopele ea li-coagulants e fetohile ho tloha ho limolek'hule tse tlaase ho ea ho li-polymers tse phahameng, le ho tloha ho karolo e le 'ngoe ho ea ho ts'ebetso e kopanetsoeng [3]. Liu Minghua et al. [4] e ile ea tšoara COD, SS le chromaticity ea mokelikeli oa litšila o nang le pH ea 6.5 le tekanyo ea flocculant ea 300 mg/L e nang le flocculant e sebetsang hantle haholo ea F-1. Litefiso tsa ho tlosa e ne e le 69.7%, 96.4% le 87.5%, ka ho latellana.
moea o phaphametseng
Ho phaphamala ha moea ka kakaretso ho kenyelletsa mefuta e fapaneng e kang ho phaphamala ha moea, ho phaphamala ha moea, ho phaphamala ha moea ka lik'hemik'hale, le phallo ea moea ea electrolytic. Xinchang Pharmaceutical Factory e sebelisa sesebelisoa sa CAF vortex air flotation ho hloekisa metsi a litšila a meriana pele. Kakaretso ea sekhahla sa ho tlosoa ha COD e ka bang 25% ka lik'hemik'hale tse loketseng.
mokhoa oa adsorption
Li-adsorbents tse sebelisoang ka tloaelo ke activated carbon, activated mashala, humic acid, adsorption resin, joalo-joalo Wuhan Jianmin Pharmaceutical Factory e sebelisa molora oa mashala - mokhoa oa bobeli oa phekolo ea likokoana-hloko ho phekola metsi a litšila. Liphello li bontšitse hore tekanyo ea ho tlosoa ha COD ea adsorption pretreatment e ne e le 41.1%, 'me tekanyo ea BOD5 / COD e ile ea ntlafatsoa.
Karohano ea lisele
Theknoloji ea Membrane e kenyelletsa reverse osmosis, nanofiltration le fiber membranes ho khutlisa lisebelisoa tsa bohlokoa le ho fokotsa mesi ka kakaretso. Likarolo tse ka sehloohong tsa theknoloji ena ke lisebelisoa tse bonolo, ts'ebetso e bonolo, ha ho phetoho ea mohato le phetoho ea lik'hemik'hale, ts'ebetso e phahameng ea ts'ebetso le ho boloka matla. Juanna et al. e sebelisitse li-membrane tsa nanofiltration ho arola metsi a litšila a cinnamycin. Ho ile ha fumanoa hore phello e thibelang ea lincomycin holim'a likokoana-hloko metsing a litšila e fokotsehile, 'me cinnamycin e ile ea fumanoa.
electrolysis
Mokhoa ona o na le melemo ea ts'ebetso e phahameng, ts'ebetso e bonolo le tse ling tse joalo, 'me phello ea electrolytic decolorization e ntle. Li Ying [8] o ile a etsa tlhahlobo ea electrolytic ho riboflavin supernatant, mme litefiso tsa ho tlosoa ha COD, SS le chroma li fihlile ho 71%, 83% le 67%, ka ho latellana.
phekolo ea lik'hemik'hale
Ha ho sebelisoa mekhoa ea lik'hemik'hale, tšebeliso e feteletseng ea li-reagents tse itseng e ka 'na ea baka tšilafalo ea bobeli ea metsi. Ka hona, mosebetsi o nepahetseng oa lipatlisiso o lokela ho etsoa pele o etsoa. Mekhoa ea lik'hemik'hale e kenyelletsa mokhoa oa tšepe-carbon, mokhoa oa redox oa lik'hemik'hale (Fenton reagent, H2O2, O3), theknoloji e tebileng ea oxidation, joalo-joalo.
Mokhoa oa tšepe oa carbon
Ts'ebetso ea indasteri e bonts'a hore ho sebelisa Fe-C joalo ka mohato oa ho hloekisoa pele bakeng sa metsi a litšila a meriana ho ka ntlafatsa haholo ho senyeha ha matla a litšila. Lou Maoxing o sebelisa tšepe-micro-electrolysis-anaerobic-aerobic-air flotation e kopantsoeng phekolo ho phekola metsi a litšila a metsoako ea meriana e kang erythromycin le ciprofloxacin. Sekhahla sa ho tlosoa ha COD ka mor'a ho phekoloa ka tšepe le carbon e ne e le 20%. %, mme lerotholi la ho qetela le ikamahanya le maemo a naha a boemo ba pele ba "Integrated Wastewater Discharge Standard" (GB8978-1996).
Phetoho ea reagent ea Fenton
Motsoako oa letsoai la ferrous le H2O2 o bitsoa reagent ea Fenton, e ka khonang ho tlosa lintho tse sa tšoaneng tsa tlhaho tse ke keng tsa tlosoa ke theknoloji ea setso ea ho hloekisa metsi a litšila. Ka ho teba ha lipatlisiso, leseli la ultraviolet (UV), oxalate (C2O42-), joalo-joalo li ile tsa kenngoa ka har'a reagent ea Fenton, e ileng ea ntlafatsa haholo bokhoni ba oxidation. Ho sebelisoa TiO2 e le sesebelisoa le lebone la 9W low-pressure mercury e le mohloli o khanyang, metsi a litšila a meriana a ile a phekoloa ka reagent ea Fenton, tekanyo ea decolorization e ne e le 100%, sekhahla sa ho tlosa COD e ne e le 92.3%, 'me motsoako oa nitrobenzene o fokotsehile ho tloha ho 8.05mg. /L. 0.41 mg/L.
Oxidation
Mokhoa ona o ka ntlafatsa biodegradability ea metsi a litšila mme o na le sekhahla se betere sa ho tlosa COD. Ka mohlala, metsi a litšila a mararo a lithibela-mafu a kang Balcioglu a ile a phekoloa ka ozone oxidation. Liphello li bontšitse hore ozonation ea metsi a litšila ha ea ka ea eketsa karolelano ea BOD5 / COD feela, empa hape le tekanyo ea ho tlosa COD e ne e le ka holimo ho 75%.
Theknoloji ea oxidation
E boetse e tsejoa e le theknoloji e tsoetseng pele ea oxidation, e kopanya liphetho tsa morao-rao tsa lipatlisiso tsa leseli la sejoale-joale, motlakase, molumo, makenete, lisebelisoa le lithupelo tse ling tse ts'oanang, ho kenyeletsoa oxidation ea electrochemical, oxidation e metsi, oxidation ea metsi e phahameng haholo, oxidation ea photocatalytic le degradation ea ultrasonic. Har'a tsona, thekenoloji ea ultraviolet photocatalytic oxidation e na le melemo ea ho nchafala, ts'ebetso e phahameng, 'me ha e na khetho ea metsi a litšila,' me e loketse ka ho khetheha bakeng sa ho senyeha ha li-hydrocarbon tse sa soaturated. Ha ho bapisoa le mekhoa ea phekolo e kang mahlaseli a ultraviolet, ho futhumatsa le khatello, phekolo ea ultrasonic ea lintho tse phelang e tobile haholoanyane 'me e hloka lisebelisoa tse fokolang. E le mofuta o mocha oa phekolo, tlhokomelo e eketsehileng e lebisitsoe. Xiao Guangquan et al. [13] o sebelisitse mokhoa oa ultrasonic-aerobic biological contact ho phekola metsi a litšila a meriana. Kalafo ea Ultrasonic e ile ea etsoa bakeng sa 60 s 'me matla e ne e le 200 w,' me kakaretso ea COD ea ho tlosoa ha metsi a litšila e ne e le 96%.
Phekolo ea lik'hemik'hale
Theknoloji ea phekolo ea lik'hemik'hale ke theknoloji e sebelisoang haholo ea phekolo ea metsi a litšila, e kenyeletsang mokhoa oa aerobic biological, anaerobic biological method, le mokhoa o kopantsoeng oa aerobic-anaerobic.
Phekolo ea bioloji ea aerobic
Kaha boholo ba metsi a litšila a hlahisoang ke meriana ke metsi a litšila a mangata, hangata hoa hlokahala ho hlapolla tharollo ea setoko nakong ea kalafo ea bioloji. Ka hona, tšebeliso ea matla e kholo, metsi a litšila a ka phekoloa ka lik'hemik'hale, 'me ho thata ho a ntša ka ho toba ho ea ka mokhoa o tloaelehileng ka mor'a phekolo ea lik'hemik'hale. Ka hona, sebelisa aerobic feela. Ho na le liphekolo tse fokolang tse fumanehang 'me ho hlokahala kalafo e akaretsang. Mekhoa e tloaelehileng ea phekolo ea likokoana-hloko ea aerobic e kenyelletsa mokhoa oa sludge o kentsoeng, mokhoa o tebileng oa aeration, mokhoa oa adsorption biodegradation (mokhoa oa AB), mokhoa oa ho kopana le oxidation, tatellano ea mokhoa oa sludge oa batch (mokhoa oa SBR), mokhoa oa ho potoloha o entsoeng ka sludge, joalo-joalo. (mokhoa oa CASS) joalo-joalo.
Mokhoa o tebileng oa aeration
Moea o tebileng oa seliba ke sistimi ea seretse e sebetsang ka lebelo le holimo. Mokhoa ona o na le tekanyo e phahameng ea tšebeliso ea oksijene, sebaka se senyenyane sa fatše, phello e ntle ea phekolo, letsete le tlaase, litšenyehelo tse tlaase tsa ts'ebetso, ha ho na sludge bulking le tlhahiso e fokolang ea sludge. Ho phaella moo, phello ea eona ea ho futhumatsa mocheso e ntle, 'me phekolo ha e amehe ke maemo a leholimo, a ka netefatsang phello ea phekolo ea likhoerekhoere tsa mariha libakeng tse ka leboea. Ka mor'a hore metsi a litšila a mangata a tsoang Northeast Pharmaceutical Factory a phekoloe ka biochemically ke tanka e tebileng ea moea, sekhahla sa ho tlosa COD se fihlile ho 92.7%. Hoa bonahala hore ts'ebetso ea ts'ebetso e phahame haholo, e leng molemo haholo ts'ebetsong e latelang. phetha karolo ea bohlokoa.
Mokhoa oa AB
Mokhoa oa AB ke mokhoa oa seretse o nang le moroalo o phahameng haholo. Sekhahla sa ho tlosoa ha BOD5, COD, SS, phosphorus le ammonia nitrogen ka mokhoa oa AB hangata se phahame ho feta mokhoa o tloaelehileng oa seretse o sebelisoang. Melemo ea eona e hlahelletseng ke mojaro o phahameng oa karolo ea A, matla a matla a anti-shock, le phello e kholo ea ho thibela pH boleng le lintho tse chefo. E loketse ka ho khetheha bakeng sa ho phekola likhoerekhoere ka mahloriso a phahameng le liphetoho tse kholo tsa boleng ba metsi le bongata. Mokhoa oa Yang Junshi et al. e sebelisa mokhoa oa hydrolysis acidification-AB bioloji ho phekola metsi a litšila a lithibela-mafu, a nang le phallo e khuts'oane ea ts'ebetso, ho boloka matla, 'me litšenyehelo tsa kalafo li tlase ho feta mokhoa oa kalafo oa lik'hemik'hale oa flocculation-biological oa metsi a litšila a tšoanang.
ho kopana le biological oxidation
Theknoloji ena e kopanya melemo ea mokhoa oa sludge o kentsoeng le mokhoa oa biofilm, 'me o na le melemo ea boima ba molumo o phahameng, tlhahiso e tlaase ea sludge, ho hanyetsa tšusumetso e matla, ts'ebetso e tsitsitseng ea ts'ebetso le tsamaiso e bonolo. Merero e mengata e sebelisa mokhoa oa mekhahlelo e 'meli, e reretsoeng ho bokella mefuta e matla ka mekhahlelo e fapaneng, ho fana ka papali e felletseng lipakeng tsa mefuta e fapaneng ea likokoana-hloko, le ho ntlafatsa litlamorao tsa lik'hemik'hale le ho hana ho ts'oha. Boenjiniere, tšilo ea lijo ea anaerobic le asiti hangata li sebelisoa e le mohato oa pele ho kalafo, 'me mokhoa oa ho kopanya oxidation o sebelisoa ho phekola metsi a litšila a meriana. Harbin North Pharmaceutical Factory e amohela hydrolysis acidification-mohato oa mekhahlelo e 'meli ea biological contact oxidation ho phekola metsi a litšila a meriana. Liphetho tsa ts'ebetso li bontša hore phello ea phekolo e tsitsitse 'me motsoako oa ts'ebetso o utloahala. Ka kholo ea butle-butle ea theknoloji ea ts'ebetso, masimo a kopo le ona a pharalletse le ho feta
Mokhoa oa ho sebelisa SBR
Mokhoa oa SBR o na le melemo ea ho hanyetsa moroalo o matla, ts'ebetso e phahameng ea sludge, sebopeho se bonolo, ha ho hlokahale ho khutlela morao, ts'ebetso e feto-fetohang, mehato e nyenyane ea maoto, chelete e tlaase, ts'ebetso e tsitsitseng, tekanyo e phahameng ea ho tlosoa ha substrate, le denitrification e ntle le ho tlosoa ha phosphorus. . Metsi a litšila a feto-fetohang. Liteko tsa ho phekola metsi a litšila a meriana ka ts'ebetso ea SBR li bontša hore nako ea aeration e na le tšusumetso e kholo ho phello ea phekolo ea ts'ebetso; ho beha likarolo tsa anoxic, haholo-holo moralo o pheta-phetoang oa anaerobic le aerobic, o ka ntlafatsa haholo phello ea phekolo; the SBR e ntlafetseng ea phekolo ea PAC Ts'ebetso e ka ntlafatsa haholo phello ea ho tlosoa ha tsamaiso. Lilemong tsa morao tjena, mokhoa ona o fetohile o phethahetseng le ho feta 'me o sebelisoa haholo ho phekola metsi a litšila a meriana.
Phekolo ea Likokoana-hloko ea Anaerobic
Hajoale, pheko ea metsi a litšila a mangata haholo lapeng le kantle ho naha e ipapisitse le mokhoa oa anaerobic, empa COD e litšila e ntse e le holimo kamora kalafo ka mokhoa o arohaneng oa anaerobic, 'me kalafo ea morao-rao (joalo ka kalafo ea baeloji ea aerobic) hlokahala. Hajoale, ho ntse ho hlokahala ho matlafatsa Nts'etsopele le moralo oa li-reactor tsa anaerobic tse sebetsang hantle haholo, le lipatlisiso tse tebileng mabapi le maemo a ts'ebetso. Likopo tse atlehileng ka ho fetisisa kalafong ea metsi a litšila ke Upflow Anaerobic Sludge Bed (UASB), Anaerobic Composite Bed (UBF), Anaerobic Baffle Reactor (ABR), hydrolysis, joalo-joalo.
Molao oa UASB
UASB reactor e na le melemo ea ts'ebetso e phahameng ea anaerobic tshilo, sebopeho se bonolo, nako e khuts'oane ea ho boloka metsi, 'me ha ho na tlhoko ea sesebelisoa se arohaneng sa ho khutlisa seretse. Ha UASB e sebelisoa ho phekola kanamycin, chlorin, VC, SD, glucose le metsi a litšila a tlhahiso ea meriana e meng, litaba tsa SS hangata ha li phahame haholo ho netefatsa hore sekhahla sa ho tlosa COD se ka holimo ho 85% ho isa ho 90%. Sekhahla sa ho tlosa COD ea letoto la mekhahlelo e 'meli ea UASB e ka fihla ho feta 90%.
Mokhoa oa UBF
Reka Wenning et al. Teko ea papiso e entsoe ho UASB le UBF. Liphetho li bonts'a hore UBF e na le litšobotsi tsa phetisetso e ntle ea bongata le phello ea karohano, mefuta e fapaneng ea biomass le bioloji, ts'ebetso e phahameng ea ts'ebetso, le botsitso bo matla ba ts'ebetso. Bioreactor ea oksijene.
Hydrolysis le acidization
Tanka ea hydrolysis e bitsoa Hydrolyzed Upstream Sludge Bed (HUSB) mme ke UASB e fetotsoeng. Ha ho bapisoa le tanka ea anaerobic e tletseng ts'ebetso e feletseng, tanka ea hydrolysis e na le melemo e latelang: ha ho hlokahale ho tiisa, ha ho na ho tsosoa, ha ho na karohano ea mekhahlelo e meraro, e fokotsang litšenyehelo le ho nolofatsa tlhokomelo; e ka nyenyefatsa li-macromolecules le lintho tse se nang biodegradable tsa manyolo ka har'a likhoerekhoere hore e be limolek'hule tse nyane. Likokoana-hloko tse senyehang habonolo li ntlafatsa ho senyeha ha metsi a tala; karabelo e potlakile, molumo oa tanka o nyane, matsete a kaho ea motse-moholo o nyane, mme molumo oa seretse o fokotsehile. Lilemong tsa morao tjena, mokhoa oa hydrolysis-aerobic o 'nile oa sebelisoa haholo ho phekola metsi a litšila a meriana. Mohlala, feme ea biopharmaceutical e sebelisa hydrolytic acidification-mohato oa mekhahlelo e 'meli ea biological contact oxidation ho phekola metsi a litšila a meriana. Ts'ebetso e tsitsitse mme phello ea ho tlosa lintho tse phelang e ea hlolla. Litefiso tsa ho tlosoa ha COD, BOD5 SS le SS e ne e le 90.7%, 92.4% le 87.6%, ka ho latellana.
Mokhoa oa phekolo o kopantsoeng oa anaerobic-aerobic
Kaha phekolo ea aerobic kapa phekolo ea anaerobic feela e ke ke ea finyella litlhoko, mekhoa e kopantsoeng e kang anaerobic-aerobic, hydrolytic acidification-aerobic treatment e ntlafatsa ho senyeha ha lintho, ho hanyetsa tšusumetso, litšenyehelo tsa matsete le phello ea phekolo ea metsi a litšila. E sebelisoa haholo ts'ebetsong ea boenjiniere ka lebaka la ts'ebetso ea mokhoa o le mong oa ho sebetsa. Ka mohlala, fektheri ea meriana e sebelisa mokhoa oa anaerobic-aerobic ho phekola metsi a litšila a meriana, tekanyo ea ho tlosoa ha BOD5 ke 98%, tekanyo ea ho tlosa COD ke 95%, 'me phello ea phekolo e tsitsitse. Mokhoa oa Micro-electrolysis-anaerobic hydrolysis-acidification-SBR o sebelisoa ho phekola metsi a litšila a entsoeng ka lik'hemik'hale. Liphello li bontša hore letoto lohle la lits'ebetso le na le tšusumetso e matla ea ho hanyetsa liphetoho tsa boleng le bongata ba metsi a litšila, 'me sekhahla sa ho tlosoa ha COD se ka fihla ho 86% ho ea ho 92%, e leng khetho e nepahetseng bakeng sa phekolo ea metsi a litšila a meriana. - Catalytic Oxidation - Ikopanye le Ts'ebetso ea Oxidation. Ha COD ea motho ea nang le tšusumetso e ka ba 12 000 mg/L, COD ea litšila e ka tlase ho 300 mg/L; tekanyo ea ho tlosoa ha COD metsing a litšila a meriana a refractory a phekoloang ke biofilm-SBR mokhoa o ka fihla ho 87.5% ~ 98.31%, e leng e phahameng haholo ho feta ea tšebeliso e le 'ngoe Phello ea phekolo ea mokhoa oa biofilm le mokhoa oa SBR.
Ntle le moo, ka nts'etsopele e tsoelang pele ea theknoloji ea membrane, lipatlisiso tsa ts'ebeliso ea membrane bioreactor (MBR) kalafong ea metsi a litšila a meriana e ntse e teba butle-butle. MBR e kopanya litšobotsi tsa thekenoloji ea karohano ea lera le phekolo ea likokoana-hloko, 'me e na le melemo ea boima ba molumo o phahameng, ho hanyetsa tšusumetso e matla, maoto a manyenyane, le litšila tse fokolang tse setseng. Ts'ebetso ea bioreactor ea anaerobic membrane e ne e sebelisetsoa ho phekola metsi a litšila a acid chloride ea mahareng ka COD ea 25 000 mg/L. Sekhahla sa ho tlosa COD ea sistimi e lula e le kaholimo ho 90%. Ka lekhetlo la pele, ho ile ha sebelisoa bokhoni ba ho tlama libaktheria ho senya lintho tse itseng tse phelang. Li-membrane bioreactors tse tsoang li sebelisoa ho hloekisa metsi a litšila a indasteri a nang le 3,4-dichloroaniline. HRT e ne e le 2 h, sekhahla sa ho tlosoa se fihlile 99%, 'me phello e nepahetseng ea phekolo e ile ea fumanoa. Leha ho na le bothata ba ho silafatsa lera, ka nts'etsopele e tsoelang pele ea theknoloji ea membrane, MBR e tla sebelisoa haholo lefapheng la kalafo ea metsi a litšila.
2. Mokhoa oa phekolo le khetho ea metsi a litšila a meriana
Litšobotsi tsa boleng ba metsi tsa metsi a litšila tse entsoeng ka meriana li etsa hore ho se khonehe hore metsi a mangata a litšila a sebelisoe ka biochemical a le mong, kahoo ho hlokahala hore ho etsoe kalafo pele ho kalafo ea biochemical. Ka kakaretso, tanka e laolang e lokela ho thehoa ho lokisa boleng ba metsi le pH ea boleng, 'me mokhoa oa physicochemical kapa oa lik'hemik'hale o lokela ho sebelisoa e le mokhoa oa ho phekola pele ho nako ho latela maemo a sebele ho fokotsa SS, letsoai le karolo ea COD metsing, ho fokotsa. lintho tse thibelang likokoana-hloko metsing a litšila, le ho ntlafatsa ho senyeha ha metsi a litšila. ho nolofatsa phekolo e latelang ea biochemical ea metsi a litšila.
Metsi a litšila a hloekisitsoeng pele a ka hloekisoa ka mekhoa ea anaerobic le aerobic ho latela litšobotsi tsa boleng ba metsi. Haeba litlhoko tsa metsi a litšila li phahame, ts'ebetso ea phekolo ea aerobic e lokela ho tsoela pele ka mor'a ts'ebetso ea phekolo ea aerobic. Khetho ea ts'ebetso e ikhethileng e tlameha ho nahana ka botlalo lintlha tse joalo ka mofuta oa metsi a litšila, phello ea ho hloekisoa ha ts'ebetso, matsete a ts'ebetso ea ts'ebetso, le ts'ebetso le tlhokomelo ho etsa hore theknoloji e khonehe le ho baballa. Tsela eohle ea ts'ebetso ke ts'ebetso e kopantsoeng ea phekolo-anaerobic-aerobic-(ka mor'a phekolo). Ts'ebetso e kopaneng ea hydrolysis adsorption-contact oxidation-filtration e sebelisoa ho phekola metsi a litšila a pharalletseng a nang le insulin ea maiketsetso.
3. Ho sebelisoa hape le ho sebelisoa ha lintho tse molemo metsing a litšila a meriana
Ho khothaletsa tlhahiso e hloekileng indastering ea meriana, ho ntlafatsa sekhahla sa tšebeliso ea lihlahisoa tse tala, sekhahla se felletseng sa ho hlaphoheloa ha lihlahisoa tse mahareng le lihlahisoa, le ho fokotsa kapa ho felisa tšilafalo ts'ebetsong ea tlhahiso ka phetoho ea theknoloji. Ka lebaka la ho khetheha ha mekhoa e meng ea tlhahiso ea meriana, metsi a litšila a na le lisebelisoa tse ngata tse ka sebelisoang hape. Bakeng sa phekolo ea metsi a joalo a litšila a meriana, mohato oa pele ke ho matlafatsa ho hlaphoheloa ha thepa le ho sebelisoa ka botlalo. Bakeng sa metsi a litšila a mahareng a meriana a nang le letsoai la ammonium holimo ho 5% ho ea ho 10%, filimi e tsitsitseng ea wiper e sebelisetsoa ho fetoha mouoane, mahloriso le crystallization ho hlaphoheloa (NH4) 2SO4 le NH4NO3 ka karoloana e boima ea hoo e ka bang 30%. Sebelisa joalo ka manyolo kapa sebelisa hape. Melemo ea moruo e totobetse; k'hamphani ea theknoloji e phahameng ea meriana e sebelisa mokhoa oa ho hloekisa ho hloekisa metsi a litšila a hlahisoang ka lihlahisoa tse phahameng haholo tsa formaldehyde. Ka mor'a hore khase ea formaldehyde e fumanehe, e ka etsoa hore e be reagent ea formalin kapa ea chesoa e le mohloli oa mocheso oa boiler. Ka ho hlaphoheloa ha formaldehyde, tšebeliso e tsitsitseng ea lisebelisoa e ka fumaneha, 'me litšenyehelo tsa matsete tsa setsi sa phekolo li ka khutlisoa nakong ea lilemo tse 4 ho isa ho tse 5, ho elelloa ho kopanngoa ha melemo ea tikoloho le melemo ea moruo. Leha ho le joalo, sebopeho sa metsi a litšila a tloaelehileng a meriana e rarahane, ho thata ho e sebelisa hape, mokhoa oa ho hlaphoheloa o rarahane, 'me litšenyehelo li phahame. Ka hona, theknoloji e tsoetseng pele le e sebetsang e felletseng ea kalafo ea likhoerekhoere ke senotlolo sa ho rarolla bothata ba likhoerekhoere ka botlalo.
4 Qetello
Ho bile le litlaleho tse ngata mabapi le phekolo ea metsi a litšila a meriana. Leha ho le joalo, ka lebaka la mefuta-futa ea lisebelisoa tse tala le mekhoa ea indasteri ea meriana, boleng ba metsi a litšila bo fapana haholo. Ka hona, ha ho na mokhoa oa kalafo o holileng le o kopaneng oa metsi a litšila a meriana. Mokhoa oa ho khetha mokhoa ofe o itšetlehile ka metsi a litšila. tlhaho. Ho ea ka litšoaneleho tsa metsi a litšila, ho hloekisoa pele ho hlokahala ka kakaretso ho ntlafatsa ho senyeha ha metsi a litšila, qalong ho tlosa litšila, ebe ho kopanngoa le phekolo ea lik'hemik'hale. Hajoale, nts'etsopele ea sesebelisoa sa ho hloekisa metsi se nang le chelete e ngata le se sebetsang hantle ke bothata bo potlakileng bo lokelang ho rarolloa.
FemeChina ChemicalAnionic PAM Polyacrylamide Cationic Polymer Flocculant, Chitosan, Chitosan Powder, phekolo ea metsi a nooang, metsi a decoloring, dadmac, diallyl dimethyl ammonium chloride, dicyandiamide, dcda, defoamer, antifoam, pac, poly aluminium chloride, polyelectrolymamide , pdadmac, polyamine, Ha re fane feela ka boleng ba boleng bo holimo ho bareki ba rona, empa ho bohlokoa le ho feta ke mofani oa rona e moholo hammoho le theko e matla ea thekiso.
ODM Factory China PAM, Anionic Polyacrylamide, HPAM, PHPA, Khamphani ea rona e sebetsa ho latela molao-motheo oa ts'ebetso ea "botšepehi, tšebelisano-'moho e thehiloeng, e shebaneng le batho, tšebelisano-'moho e atlehileng". Re tšepa hore re ka ba le likamano tsa botsoalle le mohoebi ea tsoang lefats'eng lohle.
E qotsitsoe ho Baidu.
Nako ea poso: Aug-15-2022