Ndị na-emepụta kemịkalụ ụlọ ọrụ maka nhazi ịnweta na ọgwụgwọ mmiri

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QINGQUAN

Isi mmalite Carbon mejupụtara maka Denitrification nke mmiri mkpofu: usoro onunu ogwu, Kinetics na njikwa

2026-10-14 13:40:43

Ebe ikuku carbon dị n'èzí bara uru na denitrification mmiri na-ekpofu mgbe mpaghara anoxic enweghị carbon nke nwere ike ime ngwa ngwa iji belata ibu nitrate na nitrite na ọnụego achọrọ. Enweghị ike ịtọ usoro ziri ezi site na uru L/m³ zuru ụwa ọnụ: ọ dabere na ibu nitrogen, carbon dị n'ime ya, ntinye COD nke ngwaahịa azụmaahịa, nhazi usoro, ọnọdụ okpomọkụ, ọnọdụ biomass na ebumnuche ikuku.

QINGQUAN na-enye a Isi mmalite Carbon mejupụtara maka denitrification mmiri mkpofu. Ibe ngwaahịa ya na-akọwa usoro ihe mejupụtara ọtụtụ dabere na enzymes ndu, obere yinye alcohols / acids, ndị na-akwalite microbial na nri microbial, nwere ọdịdị mmiri na-acha odo odo ma ọ bụ enweghị agba. Eziokwu ndị ahụ na-achọpụta ntụzịaka ngwaahịa, mana ntinye uche COD nke ngwaahịa akọwapụtara, oke dose na nzaghachi osisi kwesịrị ikwenye site na akwụkwọ nka dị mkpa yana nnwale saịtị.

Kedu mgbe Usoro Denitrification chọrọ Carbon mpụga?

Ụmụ nje ndị na-emebi emebi chọrọ onye na-enye onyinye elektrọn iji belata nitrate na nitrite na gas nitrogen. N'ọtụtụ sistemu na-ewepụ ihe na-edozi ahụ, ụfọdụ n'ime carbon ahụ na-esite na mmiri mkpofu n'onwe ya. Ọnụ ego a ka dị na mpaghara anoxic, Otú ọ dị, dabere na ebe mpaghara ahụ dị na ole ihe ndị na-emepụta ihe ndị na-emepụta ihe na-emepụta ihe na-eri erila.

Mpaghara pre-anoxic nwere ike nweta mmiri mkpofu na-enwe mmetụta dị nta nke COD ngwa ngwa biodegradable, ebe mpaghara mgbe anoxic ma ọ bụ nzacha denitrifying na-enwetakarị mmiri mgbe ewepụrụlarị ọtụtụ ibu organic mbụ. N'ọnọdụ ahụ, carbon mgbakwunye nwere ike bụrụ ntinye na-amachi ya.

Ya mere, osisi kwesịrị ịchọpụta njedebe carbon site na usoro ahụ kama site na COD na-emetụta naanị ya. Ngụkọta COD dị elu na ntinye osisi anaghị egosi na mmiri anoxic biomass nke ala nwere mkpụrụ nwere ike iji ngwa ngwa zuru ezu.

Ọnọdụ usoro Ajụjụ nnweta carbon Ihe ị ga-enyocha
Mwepụ nitrogen dị ndụ tupu anoxic Ego ole ka carbon nwere mmetụta dị ngwa ngwa na-erute mpaghara anoxic? Iberibe COD/BOD na-emetụta, mgbagharị nrụgharị, ibu nitrate, na-ebugharị
Mpaghara post-anoxic Ọgwụgwọ dị n'elu erichapụlarị carbon nke nwere ike imebi? Anoxic mmetụta nitrate/nitrite, COD fọdụrụnụ, igba na oge kọntaktị
Ihe nzacha na-emebi emebi Ọ dị mkpa mkpụrụ nke mpụga iji kwado ọnụego mwepụ nitrate ebumnuche? Nbudata nzacha, ibu nitrate, ebumnobi na-asọpụta na ọgwụ ugbu a
Mmiri mkpofu ụlọ ọrụ na-agbanwe agbanwe Ọnweta carbon ọ na-agbanwe na ọnọdụ mmepụta? Usoro oge COD, nitrogen na data eruba

Kedu ihe ị ga-atụnyere na isi iyi carbon mejupụtara?

Ngwaahịa abụọ nwere otu olu ewepụtara nwere ike ọ gaghị enye otu carbon enwere ike iji biomass. Ntụnyere nke teknụzụ bara uru na-atụle carbon nke dị n'ezie maka denitrification, ngwa ngwa microorganisms nwere ike iji ya, yana otu esi ewepụta ngwaahịa ahụ site na ogbe ruo na ogbe.

Ihe ntụnyere dị mkpa gụnyere:

  • Ntinye uche COD ngwaahịa na usoro eji kọọ ya;
  • biodegradability na denitrification kinetics;
  • mkpụrụ biomass na mmetụta sludge nwere ike ime;
  • viscosity, ọdịnaya siri ike na omume mgbapụta;
  • nkwụsi ike nchekwa na njikwa okpomọkụ dị ala;
  • nchekwa na ihe ndakọrịta;
  • Nkwekọrịta nhazi ogbe-na-ogbe.

Isi mmalite carbon nke azụmahịa nwere ike ịgụnye otu ogige dị ka methanol, ethanol ma ọ bụ acetate yana usoro ihe mejupụtara ọtụtụ ihe. Ntụnyere ziri ezi abụghị "nke kacha mma" na iche; ọ bụ ngwaahịa na-enye arụmọrụ denitrification achọrọ na njikwa, dosing na ihe mpụta-COD n'okpuru ọnọdụ osisi.

QINGQUAN na-akọwa isi iyi Carbon mejupụtara ya dị ka ihe na-enye carbon denitrification ọtụtụ akụkụ. Ibe e bipụtara anaghị enye mkpokọta COD nke ngwaahịa ma ọ bụ ihe achọrọ COD:N zuru ụwa ọnụ, yabụ ekwesịrị ịrịọ ụkpụrụ ndị ahụ ma kwado ya tupu agbanwee ngụkọta dose ka ọ bụrụ ọnụego nri volumetric.

Kedu ka ekwesịrị isi guzobe dose carbon mbụ?

Malite na Nitrogen Ibu Ibu

Usoro ọgwụgwọ kwesịrị ịmalite site na ọnụọgụ nitrate na nitrite nke a ga-ewepụ, ọ bụghị site na oke mmiri mmiri naanị. Maka oge a na-arụ ọrụ, ihe ọkụkụ ahụ chọrọ ka ọ na-asọpụta, ntinye nitrogen na-abanye na mpaghara a na-enye carbon na ntinye nitrogen ezubere iche na-ahapụ ya. Ozi ahụ na-akọwapụta ibu na-ewepu nitrogen na isi iyi carbon dị n'èzí ga-enyere aka ịkwado.

Mgbakọ ahụ kwesịkwara ịtụle ka carbon dị n'ime ya nwere ike ịdị ngwa ngwa dị ugbu a yana ma ikuku oxygen gbazere na-abanye na mpaghara anoxic na-eri akụkụ nke ihe ndị na-enye onyinye eletrọn. Ọ bụrụ na a na-ebuba oxygen dị ukwuu na mpaghara ahụ, enwere ike iri carbon ọzọ na-enyeghị aka ozugbo na mbelata nitrate.

Hazie dose ahụ na ndabere COD

Tupu atụnyere ngwaahịa azụmahịa, mee ka ntinye aka ha na-eme ka ọ bụrụ usoro COD na-agbanwe agbanwe. Ngwa ahịa rere dị ka olu mmiri mmiri enweghị ike iji ya tụnyere ngwaahịa ọzọ site na L/m³ naanị belụsọ ma amata mkpokọta COD ha. N'otu aka ahụ, ntụnyere n'arọ kwa ụbọchị ezughị ezu ma ọ bụrụ na otu ngwaahịa nwere carbon a na-ejikarị eme ihe kwa kilogram.

Usoro ngụkọ bara uru bụ:

COD mpụga achọrọ ≈ ibu nitrogen ka ewepụrụ × ahọpụtara COD: N imewe ihe - onyinye carbon dị n'ime

Usoro COD:N ejiri mee atụmatụ izizi kwesịrị ịpụta site na ntọala nhazi kwesịrị ekwesị, ule bench ma ọ bụ akụkọ ihe mere eme maka ezigbo ikuku carbon na usoro. Ọ bụghị ụwa na-adịgide adịgide. Kemistri sitere na carbon, mkpụrụ biomass, nnabata, okpomọkụ, afọ sludge na nhazi usoro niile na-emetụta oke nri nri.

Ozugbo etinyere ntinye COD achọrọ, enwere ike ịtụgharị ya ka ọ bụrụ oke ngwaahịa ma ọ bụ olu naanị ka ekwenyechara mkpokọta COD nke ngwaahịa ahụ na njupụta ma ọ bụ data dosing ndị ọzọ dị mkpa.

Ntinye Ihe mere o ji dị mkpa
Flow na NO3-N/Mba2-N ibu Na-akọwa ọrụ iwepụ nitrogen
COD nwere ike ime ngwa ngwa n'ime ime Na-ebelata ihe achọrọ n'èzí-carbon mgbe ọ dị na mpaghara anoxic
Ịbanye mpaghara anoxic Nwere ike iri onye na-enye onyinye elektrọn na-ewepụghị nitrate
Ntinye uche COD ngwaahịa Na-atụgharị ọchịchọ COD ka ọ bụrụ usoro azụmahịa
Okpomọkụ na SRT Na-emetụta kinetics ndu na mmegharị

Kedu ka okpomoku na biomass si agbanwe ihe achọrọ?

Denitrification bụ ihe dị ndụ, yabụ otu ọgwụ ahụ anaghị ekwe nkwa iwepụ nitrate otu nha n'ime afọ niile. Okpomọkụ na-emetụta ọnụego mmeghachi omume microbial. Oge njide siri ike, biofilm ma ọ bụ nhazi nkwudo-eto eto, yana ọnụ ọgụgụ mmadụ abanyelarị na otu mkpụrụ nwere ike gbanwee ngwa ngwa eji isi carbon eme ihe.

Mgbanwe na mberede site n'otu ebe ikuku carbon gaa na nke ọzọ nwere ike iwepụta nzaghachi nwa oge dị iche na arụmọrụ steeti kwụ ọtọ. Mgbe ị na-atụnyere isi iyi carbon, ndị na-ahụ maka ọrụ kwesịrị idekọ oge nnabata ma zere ịgwọ awa ma ọ bụ ụbọchị ole na ole mbụ dị ka onye nnọchi anya zuru oke ma ọ bụrụ na biomass ka na-agbanwe agbanwe.

Mgbanwe na ntinye hydraulic ma ọ bụ nitrogen nwere ike ịmepụta nsogbu nkọwa yiri ya. Ọ bụrụ na ibu nitrate na-ebili n'otu oge a na-ewebata isi iyi carbon ọhụrụ, ntinye nsị na-agbanweghị agbanwe apụtaghị na ngwaahịa ọhụrụ ahụ nwere otu kinetics. Ekwesịrị ịtụle ntinye carbon na ibu iwepu nitrogen ọnụ.

Kedu ka ndị na-arụ ọrụ ga-esi achọpụta ọgwụ na-abaghị uru na nri ikuku carbon?

Njikwa dị mma na-ele anya n'akụkụ abụọ nke mmeghachi omume denitrification: nitrogen nke kwesịrị iwepụ na carbon fọdụrụnụ nke nwere ike ịhapụ usoro ahụ. Obere dose nwere ike ịhapụ nitrate ma ọ bụ nitrite karịa ebumnuche. Oriri oke nwere ike ịhapụ COD fọdụrụnụ wee mepụta ọchịchọ ikuku oxygen na-agbada ma ọ bụ mpụta carbon.

Achọpụtara ọnọdụ Ihe nwere ike ime nyocha Nyocha mbụ
Mba3-N na-anọgide elu Carbon enweghị ike iji ya eme ihe, ihe na-ebufe DO dị elu, oge kọntaktị ezughị oke, obere okpomọkụ ma ọ bụ biomass adịghị arụ ọrụ. Usoro, ndabere COD, DO, okpomọkụ, eruba na oge obibi anoxic
Mba3-N na-ezute ebumnuche mana ikuku COD na-ebili Nri nri carbon, gbanwere ntinye ngwaahịa, obere nitrogen ma ọ bụ njikwa nri adịghị mma Ntinye uche nke ngwaahịa, ntugharị mgbapụta, ibu nitrogen na mgbagha dosing
Mba2-N na-agbakọ Denitrification ezughị ezu, ahaghị nhata nke kinetic ma ọ bụ ọnọdụ usoro mgbanwe Usoro carbon, DO, pH, ọnọdụ okpomọkụ na ọnọdụ biomass
Arụmọrụ na-agbanwe mgbe mgbanwe batch gasịrị Ihe mejupụtara, itinye uche COD, viscosity ma ọ bụ mgbanwe sistemụ nri Data COA/TDS, mmepụta mgbapụta dosing na ntụnyere ogbe

Nlebanya ndị a bụ ntụzịaka nyocha, ọ bụghị koodu mmejọ otu na otu. E kwesịghị iji carbon ọzọ agwọta nsonaazụ nitrate dị elu na-akpaghị aka tupu ntinye ikuku oxygen, elele oge kọntaktị na ọnọdụ biomass. N'otu aka ahụ, COD dị elu ekwesịghị ịkenye ya na nri ikuku carbon na-akwadoghị ndị nkwado COD ndị ọzọ.

Kedu ihe kpatara nkwekọ ngwaahịa ngwaahịa dị na nhọrọ Carbon-Isi iyi?

N'ime usoro denitrification nke na-aga n'ihu, ikuku carbon a na-ere ahịa bụ akụkụ nke njikwa-njikwa usoro. Mgbanwe dị na ngwaahịa nwere ike ịpụta dị ka mgbanwe na arụmọrụ osisi ọbụlagodi mgbe ntọala mgbapụta agbanwebeghị.

Akụkụ dị mma bara uru dabere na ngwaahịa ahụ, mana osisi ahụ kwesịrị ịghọta njirimara ndị na-achịkwa ezigbo COD ewepụtara yana ma viscosity, ihe kwụsịtụrụ ma ọ bụ nkwụsi ike nke oge nwere ike imetụta akụrụngwa dosing. Ọ bụrụ na ngwaahịa na-eto nke ọma na nchekwa oyi ma ọ bụ nwere ihe siri ike na-agbanwe agbanwe, ntọala mgbapụta aha nwere ike ọ gaghị anọchi anya otu nri kemịkalụ dị irè.

Njirimara ngwaahịa Mmetụta ọrụ enwere ike
Mgbanwe itinye uche COD Ọ na-agbanwe COD nke ewepụtara n'ezie na usoro volumetric edoziri
Viscosity Nwere ike ịgbanwe mmezi mgbapụta na omume mbufe
Ihe kwụsịtụrụ Nwere ike imetụta strainers, tubing ma ọ bụ ngwa nri
Nkwụsi ike nke usoro Nwere ike imetụta ngbanwe dose ma ọ bụrụ na ngwaahịa ahụ kewapụrụ n'oge nchekwa
Omume okpomọkụ dị ala Nwere ike imetụta nchekwa, nnyefe na mita

Oke ngwaahịa kwesịrị ịpụta site na TDS na COA dị mkpa kama site n'echiche nke isi iyi carbon. Ibe ngwaahịa QINGQUAN na-akpọ osisi ka ha nye ogo mmiri na nhazi data ka e wee nwee ike ijikọ akwụkwọ na ntuziaka ngwa ngwaahịa na ọrụ ahụ.

Kedu ka osisi kwesịrị iji tụnyere isi iyi carbon mejupụtara ya na sodium acetate?

Osisi nke na-eji sodium acetate eme ihe kwesịrị iji ihe atụnyere carbon carbon mejupụtara n'otu usoro na arụmọrụ. Ajụjụ ziri ezi abụghị ma otu ngwaahịa nwere obere L/m³ dose. Ajụjụ ziri ezi bụ ole COD nwere ike ibunye, ka biomass si azaghachi, kedu nsonaazụ mwepụ nitrogen, kedu ihe COD fọdụrụnụ, yana ihe njikwa na ọnụ ahịa pụtara.

QINGQUAN na-enyekwa a Sodium acetate ngwọta maka mgbakwunye carbon mmiri mkpofu. Enwere ike ịhazi ntụnyere a na-achịkwa gburugburu:

  • otu mmiri mkpofu ma ọ bụ oge ọrụ yiri ya;
  • otu ihe mgbaru ọsọ mwepụ nke nitrogen;
  • ndenye COD nkịtị;
  • Mba3-N na NO2-N nzaghachi;
  • COD na-asọ asọ;
  • sludge ma ọ bụ nzaghachi biofilm ebe ọ dị mkpa;
  • mgbapụta, nchekwa na njikwa chọrọ;
  • ewepụrụ ọnụ ahịa otu unit nke nitrogen karịa ọnụahịa ngwaahịa naanị.

E kwesịghị ikwupụta isi iyi carbon ọ bụla ka ọ dị elu na-enweghị ntọala a. Osisi nwekwara ike nyochaa QINGQUAN nke sara mbara kemịkalụ ọgwụgwọ mmiri oke mgbe nsogbu arụ ọrụ gụnyere ihe karịrị ụkọ carbon.

Kedu data ekwesịrị iziga tupu nnwale carbon-Isi iyi?

Nnwale sitere na carbon na-aba uru karịa mgbe onye na-ebubata ya hụrụ ọrụ iwepụ nitrogen na ọnọdụ arụ ọrụ tupu atụpụta ọgwụ. Osisi kwesịrị ịkwadebe, ebe enwere:

  • nkezi na ọnụ ọgụgụ kasị elu;
  • Mba3-N na NO2-N na-abanye ma na-ahapụ mpaghara nri carbon;
  • COD/BOD na ozi dị na ụmụ irighiri ihe ndị nwere ike imebi;
  • NH4-N na mkpokọta-nitrogen lekwasịrị anya;
  • nhazi usoro na ebe dosing;
  • okpomọkụ, pH, DO na SRT ma ọ bụ ozi biomass dị mkpa;
  • isi iyi carbon ugbu a, ntinye uche na usoro onunu;
  • nsogbu arụ ọrụ ugbu a, gụnyere nitrate residual, nitrite ma ọ bụ COD;
  • akwụkwọ ngwaahịa achọrọ na mgbochi nkwakọ ngwaahịa.

QINGQUAN na-arịọ ndị ọrụ nke isi iyi Carbon Composite ka ha weta akụkọ gbasara mmiri, ụdị sistemu, kemịkalụ dị ugbu a, usoro onunu ogwu, okwu arụ ọrụ na nsonaazụ ebumnuche. Ọ bụrụ na ị na-akwado bench ma ọ bụ ntụnyere osisi, ị nwere ike Kekọrịta ọnọdụ mmiri mkpofu gị na QINGQUAN ma rịọ TDS, MSDS, COA na ozi nhota kpọmkwem ngwaahịa.

Maka denitrification nke mmiri mkpofu, a naghị enweta dose carbon kwụsiri ike site na ịhọrọ otu ọgwụ zuru ụwa ọnụ. Ọ na-abịa site n'ikwekọ ibu nitrogen, COD a na-eji eme ihe, microbial kinetics na nkwekọ ngwaahịa na usoro a na-eme n'ezie, wee jiri ma nitrogen na nsonaazụ carbon fọdụrụnụ na-achịkwa nri.