Kutheni Ukubeka iliso kwi-Oxygen eNyityisiweyo (DO) ibalulekile kwiMeko yokusiNgqongileyo yanamhlanje
Ukuthotyelwa kokusingqongileyo kuyaqina kwihlabathi-ukusuka e-California kunye ne-Midwest Midwest ukuya e-Ruhr eJamani naseMntla Italy. Ngemigangatho engqongqo, iiprojekthi ziyaphuculwa ukuze zihlangabezane nemigaqo yale mihla yokusingqongileyo. Ukungathobeli kungakhokelela kwisohlwayo esiqatha okanye ukuvalwa ngenkani ngabasemagunyeni bendalo esingqongileyo. Kwimakethi yanamhlanje, ukujonga ixesha lokwenyani kwiiparamitha eziphambili njenge-pH, i-DO (i-Oxygen eDissolved), kunye ne-COD (i-Chemical Oxygen Demand) ayikhethi kodwa inyanzelekile.
Yintoni i-Oxygen eNyibilikileyo (DO)?
I-Oxygen echithwe (i-DO) ibhekisela kwisixa se-oksijini ekhoyo emanzini, ngokuqhelekileyo ilinganiselwa kwi-mg / L okanye i-ppm. I-DO yiparameter ebalulekileyo kuba:
- Iibhaktheriya ze-Aerobic zifuna i-oksijini ukuze ziphule izinto ezingcolisayo eziphilayo.
- Xa amanqanaba e-DO ehla kakhulu, ibhaktheriya ye-anaerobic ithatha indawo, ekhokelela ekuboleni, amanzi amnyama, ivumba elibi, kunye nokuncipha kwamandla okuzihlambulula.
Ngamafutshane, i-DO luphawu oluphambili lwempilo yomzimba wamanzi. Ukubuyela ngokukhawuleza kwi-DO emva kokuphelelwa amandla kubonisa inkqubo enempilo, ngelixa ukuchacha okucothayo yiflegi ebomvu yongcoliseko olubi kunye nokuqina okubuthathaka kwendalo.
Izinto ezichaphazela amaNqanaba e-DO
- Uxinzelelo oluyinxenye yeoksijini emoyeni
- Uxinzelelo lwe-atmospheric
- Ubushushu bamanzi
- Umgangatho wamanzi
Ukuqonda ezi meko kubalulekile ekutolikeni ufundo lwe-DO kunye nokuqinisekisa uvavanyo oluchanekileyo lomgangatho wamanzi.
Izicelo eziqhelekileyo zokuHlolwa kwe-Oxygen eNyibilikileyo
Inkcubeko yasemanzini
Injongo:Uqinisekisa ukuba iintlanzi nobomi basemanzini zifumana ioksijini eyaneleyo.
Inzuzo:Yenza izilumkiso zexesha lokwenyani kunye ne-aeration ezenzekelayo ukugcina i-ecosystem enempilo.
Ukujongwa kwamanzi okusingqongileyo
Injongo:Ivavanya amanqanaba ongcoliseko kunye nempilo ye-ikholoji yamachibi, imilambo, kunye nemimandla yonxweme.
Inzuzo:Inceda ukuthintela i-eutrophication kwaye ikhokela iinzame zokulungisa.
Izixhobo zokucoca amanzi amdaka (WWTPs)
Injongo:I-DO lutshintsho olubalulekileyo lolawulo kwiitanki ze-aerobic, anaerobic, kunye ne-aeration.
Inzuzo:Ixhasa ibhalansi ye-microbial kunye nokusebenza kakuhle kwonyango ngokusebenza kunye neeparamitha ezifana ne-BOD / COD.
Ukulawulwa kokuTyakala kwiiNkqubo zaManzi zeShishini
Injongo:Ukubeka iliso kumanqanaba e-DO ephantsi kakhulu (kwi-ppb/μg/L) kuthintela ukudumba okubangelwa yi-oxygen kwimibhobho yentsimbi.
Inzuzo:Okubalulekileyo kwizityalo zamandla kunye neenkqubo zebhoyila apho i-corrosion ingakhokelela ekulungisweni kweendleko.
IiTekhnoloji ezimbini eziKhokelayo ze-DO Sensing
1. I-Electrochemical (iMembrane-Based) iiSensors
Indlela Esebenza Ngayo:Eyaziwa ngokuba yi-polarographic okanye i-Clark-type sensors, ezi zixhobo zisebenzisa i-membrane ene-semi-permeable ukwahlula igumbi le-electrolyte emanzini. I-oksijeni isasazeka kwi-membrane, iyancipha kwi-platinum cathode, kwaye ivelise ukulingana kwangoku kwinqanaba le-DO.
IiPros:Itekhnoloji eqinisekisiweyo enovakalelo oluhle.
Ububi:Ifuna ixesha lokufudumala (i-15-30 imizuzu), idle i-oksijini, kwaye ifune ukugcinwa rhoqo (ukuzaliswa kwe-electrolyte, ukutshintshwa kwe-membrane, ukuhlaziya rhoqo).
2. IiSensors ze-Optical (Luminescent).
Indlela Esebenza Ngayo:Ezi zivamvo zisebenzisa umthombo wokukhanya owakhelwe ngaphakathi ukukhupha ukukhanya okuluhlaza, okuvuyisa idayi ekhanyayo. Idayi ikhupha ukukhanya okubomvu; nangona kunjalo, ioksijini iyayicima le fluorescence (ukucima okunamandla). Uluvo lulinganisa ukutshintshwa kwesigaba okanye ukubola ekukhanyeni kokukhanya ukubala ugxininiso lwe-DO.
IiPros:Akukho ukufudumala, akukho kusetyenziswa kwe-oksijeni, ukugcinwa okuncinci (ngokuqhelekileyo i-1-2 iminyaka eqhubekayo yokusetyenziswa), ichaneke kakhulu kwaye izinzile, kunye nokuphazamiseka.
Ububi:Iindleko eziphezulu zangaphambili (ngokuqhelekileyo i-$ 1,200–$3,000 USD vs. $300–$800 USD yezinzwa ze-membrane).
IsiKhokelo soKhetho lweSeva
IiSensors eziSekwe kwiMembrane
Engcono kwi:Izicelo apho iindleko zokuqala zingumba ophambili kunye nemilinganiselo yexesha elifutshane yamkelekile.
Imingeni:Ukufuna ukuvuselela okanye ukuhamba ngokufanelekileyo ukuphepha ukuphelelwa kwe-oksijini; uchuku kumaqamza kwaye ufuna ukugcinwa rhoqo.
Izivamvo zamehlo
Engcono kwi:Ixesha elide, ukuchaneka okuphezulu kwiindawo ezifunayo.
Ukuqwalaselwa:Nangona zibiza kakhulu ngaphambili, zinciphisa ixesha lokuphumla, zinomthwalo ophantsi wokulondoloza, kwaye zibonelela ngokuchaneka okuphezulu kunye nokuzinza ngexesha.
Kumashishini amaninzi namhlanje-apho ukuthembeka, uzinzo, kunye nokugcinwa okuncinci kubekwe phambili-i-Optical DO sensors lutyalo-mali olukrelekrele lwexesha elide.
Igama lokugqibela: Tyala kuMgangatho WENZA iliso
Xa sijongana nemithetho engqongqo yokusingqongileyo, ukubekw' esweni kwe-DO ngokuchanekileyo akuyomfuneko yolawulo kuphela-kulicandelo elibalulekileyo le-ecosystem enempilo kunye nokusebenza kakuhle kwemizi-mveliso.
Ukuba ufuna ukuthembeka kwexesha elide, ukugcinwa okuphantsi, kunye nokuchaneka okuphezulu kwedatha, qwalasela iimitha ze-Optical DO nangona ixabiso labo lokuqala liphezulu. Banikezela ngesisombululo esikrelekrele ngokuzisa ukusebenza okungaguqukiyo, ukunciphisa ukuphindaphindwa kokulinganisa, kunye nokubonelela ngentembeko ephezulu kwidatha yakho yokusingqongileyo.
Ukulungele ukuPhucula iDO yakho yokuJonga iNkqubo?
Ixesha lokuposa: Apr-14-2025