Gukoresha ORP mu gutunganya imyanda

ORP igereranya iki mugutunganya imyanda?
ORP isobanura redox ubushobozi bwo gutunganya imyanda. ORP ikoreshwa mukugaragaza macro redox yibintu byose mubisubizo byamazi. Ubushobozi buke bwa redox, niko imbaraga za okiside zikomera, kandi niko ubushobozi bwa redox bugabanuka, niko umutungo ugabanuka. Ku mubiri wamazi, hakunze kubaho redox nyinshi, ikora sisitemu igoye. Kandi redox ishobora kuba ibisubizo byuzuye bya redox reaction hagati yibintu byinshi bya okiside no kugabanya ibintu.
Nubwo ORP idashobora gukoreshwa nkikimenyetso cyerekana ubunini bwikintu runaka cya okiside no kugabanya ibintu, bifasha gusobanukirwa ibiranga amashanyarazi yimiterere yumubiri wamazi no gusesengura imiterere yumubiri wamazi. Nibipimo byuzuye.
Gushyira mu bikorwa ORP mu gutunganya imyanda Hariho ion nyinshi zihinduka hamwe na ogisijeni yashonze muri sisitemu yimyanda, ni ukuvuga redox nyinshi. Binyuze mu gikoresho cyo kumenya ORP, ubushobozi bwa redox mumyanda irashobora kuboneka mugihe gito cyane, gishobora kugabanya cyane inzira yo gutahura nigihe no kunoza imikorere.
Ubushobozi bwa redox busabwa na mikorobe iratandukanye kuri buri cyiciro cyo gutunganya imyanda. Mubisanzwe, mikorobe yo mu kirere irashobora gukura hejuru ya + 100mV, kandi ibyiza ni + 300 ～ + 400mV; mikorobe mikorere ya anaerobic ikora guhumeka ikirere hejuru ya + 100mV hamwe no guhumeka kwa anaerobic munsi ya + 100mV; gutegeka bacteri za anaerobic zisaba -200 ～ -250mV, murizo zitegeka methanogene ya anaerobic isaba -300 ～ -400mV, kandi ibyiza ni -330mV.
Ibidukikije bisanzwe bya redox muri sisitemu ya aerobic ikora sisitemu iri hagati ya + 200 ～ + 600mV.
Nuburyo bwo kugenzura ibinyabuzima byo mu kirere, kuvura ibinyabuzima bya anoxic no kuvura biologiya ya anaerobic, mugukurikirana no gucunga ORP y’imyanda, abakozi barashobora kugenzura ibihimbano bibaho. Muguhindura ibidukikije kubikorwa byimikorere, nka:
Kongera ingano ya aeration kugirango yongere ingufu za ogisijeni yashonze
Ongeramo ibintu bya okiside hamwe nizindi ngamba zo kongera ubushobozi bwa redox
Kugabanya ingano ya aeration kugirango ugabanye umwuka wa ogisijeni ushonga
● Ongeramo amasoko ya karubone no kugabanya ibintu kugirango ugabanye redox, bityo utezimbere cyangwa wirinde kubyitwaramo.
Kubwibyo, abayobozi bakoresha ORP nkigipimo cyo kugenzura ibinyabuzima byo mu kirere, kuvura biologiya anoxic no kuvura biologiya ya anaerobic kugirango bagere ku ngaruka nziza zo kuvura.
Kuvura ibinyabuzima byo mu kirere:
ORP ifite isano nziza yo gukuraho COD na nitrification. Mugucunga ingano ya aerobic binyuze muri ORP, birashobora kwirindwa igihe kidahagije cyangwa kirenze urugero kugirango amazi meza atunganijwe.
Kuvura ibinyabuzima bya Anoxic: ORP hamwe na azote yibanze muri leta ya denitrification bifite aho bihurira na gahunda yo kuvura ibinyabuzima bya anoxic biologique, bishobora gukoreshwa nkigipimo cyo gusuzuma niba inzira yo kwamagana yarangiye. Imyitozo ijyanye nayo yerekana ko mugikorwa cyo gutandukanya, iyo inkomoko ya ORP kumwanya iri munsi ya -5, reaction iba yuzuye. Amazi arimo azote ya nitrate, ishobora gukumira umusaruro w’ibintu bitandukanye byangiza kandi byangiza, nka hydrogen sulfide.
Kuvura ibinyabuzima bya Anaerobic: Mugihe cya anaerobic reaction, mugihe hagabanijwe ibintu, agaciro ka ORP kazagabanuka; muburyo bunyuranye, iyo kugabanya ibintu bigabanutse, agaciro ka ORP kaziyongera kandi gahoro gahoro mugihe runaka.
Muri make, kubuvuzi bwibinyabuzima bwa aerobic mubihingwa bitunganya imyanda, ORP ifitanye isano ryiza na biodegradation ya COD na BOD, kandi ORP ifitanye isano ryiza na nitrification.
Kubuvuzi bwibinyabuzima bwa anoxic, hariho isano runaka hagati ya ORP nubunini bwa nitrate ya nitrate muri reta ya denitrification mugihe cyo kuvura ibinyabuzima bya anoxic, bishobora gukoreshwa nkigipimo cyo gusuzuma niba inzira yo kwamagana yarangiye. Kugenzura ingaruka zo kuvura igice cyo gukuraho fosifore no kunoza ingaruka zo gukuraho fosifore. Gukuraho fosifore yibinyabuzima no gukuraho fosifore harimo intambwe ebyiri:
Ubwa mbere, murwego rwo kurekura fosifore mugihe cya anaerobic, bacteri za fermentation zitanga aside irike bitewe na ORP kuri -100 kugeza kuri -225mV. Amavuta acide yakirwa na bagiteri ya polifosifate na fosifore irekurwa mumazi icyarimwe.
Icya kabiri, muri pisine yo mu kirere, bacteri za polyphosifate zitangira kwangiza aside irike yinjiye mu cyiciro kibanziriza iki hanyuma igahindura ATP muri ADP kugirango ibone ingufu. Kubika izo mbaraga bisaba adsorption ya fosifore irenze mumazi. Imyitwarire ya adsorbing fosifore isaba ORP muri pisine yo mu kirere kuba hagati ya +25 na + 250mV kugirango ikurwe rya fosifore ibeho.
Kubwibyo, abakozi barashobora kugenzura ingaruka zo kuvura igice cyo gukuraho fosifore binyuze muri ORP kugirango barusheho gukuraho fosifore.
Mugihe abakozi badashaka ko denitrification cyangwa kwirundanya kwa nitrite bibaho mugikorwa cya nitrification, agaciro ka ORP kagomba kuguma hejuru ya + 50mV. Mu buryo nk'ubwo, abayobozi babuza kubyara impumuro (H2S) muri sisitemu yimyanda. Abayobozi bagomba kugumana agaciro ka ORP karenze -50mV mumuyoboro kugirango birinde ishingwa na sulfide.
Hindura igihe cya aeration hamwe nuburemere bwibikorwa kugirango uzigame ingufu kandi ugabanye gukoresha. Byongeye kandi, abakozi barashobora kandi gukoresha isano iri hagati ya ORP na ogisijeni yashonze mumazi kugirango bahindure igihe cyogukurikirana hamwe nubushyuhe bwikigereranyo cyibikorwa binyuze muri ORP, kugirango bagere ku kuzigama ingufu no kugabanya ibicuruzwa mugihe hujujwe imiterere y’ibinyabuzima.
Binyuze mu gikoresho cyo kumenya ORP, abakozi barashobora gutahura byihuse uburyo bwo gutunganya imyanda hamwe n’amakuru y’imyanda ihumanya y’amazi hashingiwe ku makuru yatanzwe ku gihe, bityo bakamenya neza uburyo bunoze bwo gutunganya imyanda no gucunga neza ibidukikije by’amazi.
Mu gutunganya amazi mabi, reaction nyinshi za redox zibaho, kandi ibintu bigira ingaruka kuri ORP muri buri reaction nabyo biratandukanye. Kubwibyo rero, mugutunganya imyanda, abakozi bakeneye kandi kurushaho kwiga isano iri hagati ya ogisijeni yashonze, pH, ubushyuhe, umunyu nibindi bintu mumazi na ORP ukurikije uko ibintu byifashe mumyanda, kandi bagashyiraho ibipimo byo kugenzura ORP bikwiranye n’amazi atandukanye. .