Metsi a litšila a tsoang ho ETPs, STPs, le litsamaiso tsa bohloeki sebakeng seo a hloka phekolo e tšepahalang le e sebetsang hantle. Organica Biotech e fana ka e tsoetseng pele kalafo ea metsi a litšila ditharollo tse hahiloeng hodima theknoloji ya baeloji, ho netefatsa ho ntshuwa ha metsi ka tsela e hlwekileng, ho latela melao ya tsamaiso, le tshebetso e tsitsitseng ya dimela. Ditharollo tsa rona di kenyeletsa temo ea tlhaho bakeng sa kalafo ea metsi a litšila, dimmojule tse nyane, le diforomo tsa dikokwana-hloko tse entsweng ka tsela e ikgethang bakeng sa diindasteri le ditjhaba.
Ka boiphihlelo bo pakiloeng ho theknoloji ea baeloji ea phekolo ea metsi a litšila, re hlahisa metswako e ikgethang ya dikokwana-hloko e ntlafatsang bokgoni ba ho senyeha le ho tshehetsa phokotso e potlakileng ya COD/BOD. Dintho tsena tse ntjha di thusa diindasteri ho fihlella ho latela melao ka ho tswela pele, ha ka nako e ts'oanang di ntlafatsa botsitso ba tshebetso ka kakaretso le ho fokotsa diphephetso tsa tshebetso.
Ha tlhoko ea metsi a hloekileng e ntse e eketseha, ho sebelisoa kalafo ea metsi a litšila le moshoelella taolo ea metsi a litšila Mekhoa e se e le ea bohlokoa. Litharollo tsa rona tse tsoetseng pele tsa likokoana-hloko li tšehetsa liindasteri, metse le mehaho ea bolulo ka mekhoa e sebetsang hantle le ea nako e telele. litharollo tsa taolo ea metsi a litšila.
Kalafo e sebetsang hantle ea metsi a litšila ha se feela tlhoko ea ho latela melao empa hape e thusa ho sireletsa tikoloho, ho sebelisa metsi hape, le tsamaiso ea mehloli e tsitsitseng.
Ke 3% feela ea metsi a lefats'e ka bophara e leng metsi a hloekileng, 'me ke 1.2% feela ea 'ona e fumanehang bakeng sa tšebeliso ea batho - e leng se etsang hore phekolo ea metsi e tsoetseng pele e be ea bohlokoa bakeng sa bokamoso.
Ke 3% feela ea metsi a lefats'e ke metsi a hloekileng 'me ho tsoa moo, ke 1.2% feela e ka sebelisoang e le metsi a nooang.
Organica Biotech e fana ka litharollo tsa sejoale-joale tsa kalafo ea metsi a litšila ho sebelisoa mahlale a Cleanmaxx® le Bioclean®. Mokhoa oa rona o tsamaisoang ke theknoloji ea biotechnology o netefatsa liphetho tse tšepahalang bakeng sa liindasteri, libaka tsa khoebo le litsamaiso tsa bohloeki. Temo ea rona ea bioculture e sebetsang hantle bakeng sa kalafo ea metsi a litšila le litharollo tse nyane li thusa ho rarolla mathata a kang moroalo o feto-fetohang, monko o mobe, ho bokellana ha seretse le ts'ebetso e sa tsitsang ea baeloji.
Ho ntlafala ha botsitso ba MLSS, monko o fokotsehileng, le ho latela melao ka potlako ka theknoloji ea baeloji ea likokoana-hloko.
Phokotso e betere ea COD/BOD le ho ntlafatsa botsitso ba baeloji liindastering tse ngata.
Tharollo e le 'ngoe ea theknoloji ea baeloji e fanang ka liphetho tse ka lekanngoang ho pholletsa le makala a lebese, masela, lik'hemik'hale le lijo.
Ho fokotseha ha seretse, litšenyehelo tse tlase tsa ho lahla, le ho ntlafatsa katleho ea limela ka nako e telele.
Mokhoa oa ho ntša litšila metsing a likhoerekhoere kapa a liindasteri le ho ntlafatsa litšobotsi tsa khemikhale le tsa tlhaho tsa metsi ka mekhoa e fapaneng ea 'mele, ea lik'hemik'hale le ea likokoana-hloko e lumellang ho tsoa ka mokhoa o bolokehileng ha metsi a sebelisitsoeng tikolohong kapa tšebeliso ea metsi hape molemong oa malapeng kapa indastering e tsejoa e le tlhoekiso ea metsi a litšila. Ho hloekisa metsi a litšila hangata ho etsoa setsing sa ho hloekisa likhoerekhoere bakeng sa metsi a likhoerekhoere le setsi sa ho hloekisa metsi a litšila bakeng sa metsi a litšila a indasteri.
Ho ipapisitsoe le mohloli oa tšimoloho, metsi a litšila a ka hlalosoa e le metsi a litšila a ka tlung, a tsejoang hape e le metsi a likhoerekhoere, le metsi a litšila a indasteri, a tsejoang hape e le metsi a litšila.
Metsi a likhoerekhoere hangata a na le mokelikeli o tsoang setsing sa bohloeki, ho pheha, ho tola, ho hlatsoetsa liaparo le tšebeliso ea lapeng ho tsoa mehloling ea bolulo, ea khoebo kapa ea litsi. Phallo ea metsi e tsoang mefuteng e mengata e fapaneng ea ts'ebetso ea tlhahiso ho tsoa makaleng a khoebo le a indasteri a tsejoa e le metsi a litšila a indasteri kapa a litšila.
Ho hloekisa metsi a litšila ke mokhoa o thusang ho hloekisa metsi a silafetseng e le hore a ka khutlisetsoa potolohong ea metsi.
Mekhoa e mengata e fapaneng e ka sebelisoa ho tlosa litšila, 'me mofuta oa mokhoa o sebelisoang o tla itšetleha ka mofuta le bongata ba tšilafalo e teng.
E tloaelehileng ka ho fetisisa mefuta ea limela tsa ho hloekisa metsi a litšila ke litsi tsa ho hloekisa metsi a litšila (ETP), litsi tsa metsi a likhoerekhoere (STP), le limela tse tloaelehileng le tse kopantsoeng tsa ho hloekisa metsi a litšila (CETP).
Hangata limela tse hloekisang metsi (ETP) li sebelisoa ke liindasteri tse nang le bokhoni bo phahameng ba tlhahiso, joalo ka liindasteri tsa masela, tsa meriana le tsa lik'hemik'hale, tse nang le metsi a litšila a tlhaho kapa a sa tloaelehang kapa motsoako oa bobeli ba COD e phahameng, TDS le pH e feteletseng, e leng se etsang hore metsi a litšila a be chefo haholo.
Libaka tsa ho hloekisa litšila lia khethoa le ho raloa ho latela mofuta le bongata ba litšila tse tsoang indastering.
Lisebelisoa tsa ho hloekisa likhoerekhoere li tlosa litšila tse tsoang metsing a litšila a malapeng, joalo ka likolone tsa bolulo, litsi, liindasteri tsa ho amohela baeti, joalo-joalo.
Li-STP li na le metsi a litšila a nang le lintho tse ngata tsa tlhaho tse ka phekolehang ntle le bothata bo boholo.
Lisebelisoa tse tloaelehileng tsa effluent treatment (CETPs) li etselitsoe ho hloekisa metsi a litšila a tsoang liindastering tse nyenyane tse sa tšoaneng tse sa khoneng ho hloekisa litšila sebakeng sa setsi sa ho hloekisa metsi a litšila.
Li-CETP hangata li hahuoa libakeng tsa indasteri kapa mekhatlong ea ntlafatso ea indasteri (IDC).
Phekolo ea metsi a litšila e na le mekhahlelo e 3. Mokhahlelo o ka sehloohong o na le mekhoa e fapaneng ea ho tlosa lisebelisoa tse kholo tse tiileng metsing a kenang.
Ho hlahlojoa ha bar ho hloekisa thepa efe kapa efe e kholo e tiileng joalo ka lehong, polasetiki, masela, jj.
Tlhaloso ea mantlha e lumella ho lokisa lintho tse tiileng ka matla a khoheli; ka linako tse ling, coagulants le flocculants sebelisoa ho precipitate le ho rarolla lintho tse tiileng tse qhibilihisitsoeng. Phekolo ea bobeli ea metsi a litšila (a tsejoang haholo e le pheko ea metsi a litšila) ke pheko ea metsi a litšila e tsamaisoang ke likokoana-hloko e tsoang ho sehlakisi sa mantlha. E kenyelletsa phekolo ea aerobic, anaerobic, kapa motsoako oa mekhoa e 'meli ea ho phekola lintho tse phelang metsing a litšila ka ho fokotsa COD, nitrogen, phosphorus, joalo-joalo. Mokhahlelo oa thuto e phahameng ke mohato oa ho qetela oa ho hloekisa metsi a litšila ho ntlafatsa boleng ba metsi ho fihlela boemong bo lumellang ho tsoa ha metsi tikolohong kapa ho sebelisoa hape ha metsi a hloekisitsoeng. E kenyelletsa lits'ebetso tse kang ho bolaea likokoana-hloko, ho hloekisa lera, ho hloekisa carbon, joalo-joalo.
Likokoana-hloko ke karolo ea mantlha ea phekolo ea bobeli ea metsi a litšila.
Lebaka ke hobane ke bakena-lipakeng ho senyeha ha lintho tse phelang tse teng metsing a litšila.
Phekolo ea metsi a litšila ea likokoana-hloko, likokoana-hloko li sebelisa lintho tse phelang metsing a litšila e le mohloli oa lijo tse nang le carbon, nitrogen, phosphorus le limatlafatsi tse ling tsa bohlokoa ho hōla.
Ka lehlakoreng le leng, li fetola litšila tse nang le chefo e ngata ho li etsa lisebelisuoa tse nyenyane, tse se nang chefo tse ka tšeloang ka mokhoa o sireletsehileng tikolohong.
Phekolo ea bobeli ea metsi a litšila e hloka motsoako oa likokoana-hloko tse fapaneng.
Libaktheria tse atileng haholo kalafong ea metsi a litšila ke mefuta ea Bacillus le Pseudomonas.
Ho na le mefuta e sa tšoaneng ea Bacillus, joalo ka B. licheniformis, B. subtilis, B. megaterium, B. pumilus, B. coagulans, joalo-joalo, ha Pseudomonas, P. aeruginosa, P. putida, P. fluorescens, joalo-joalo, mefuta e ka 'nang ea e-ba teng ea libaktheria tsena e atisa ho sebelisoa ho phekola metsi a polteluta.
Motheo oa likokoana-hloko tse khethiloeng bakeng sa ho hloekisa metsi a litšila li itšetlehile feela ka mechine ea tsona ea lefutso le enzymatic e etsang hore li khone ho senya likaroloana tse fumanoang mefuteng e itseng ea metsi a litšila.
Ntle le sena, ho na le Mefuta e phahameng ea bophelo e kang li-ciliates tsa ho sesa mahala, li-ciliate tse stalked, rotifers le tardigrades tse thusang ho theha bio-enzyme bakeng sa kalafo ea metsi a litšila ka ho fepa liseleng tsa baktheria tsa mahala le ho thusa ho boloka flocculation e ntle tsamaisong ea metsi a litšila.
Ts'ebetso ea aerobic e kenyelletsa sehlopha sa likokoana-hloko tse holang hantle boteng ba oksijene.
Phekolo ea metsi a litšila ea anaerobic e kenyelletsa likokoana-hloko tse holang ha oksijene e le sieo.
Ke ts'ebetso e nkang matla haholo kaha e sebelisa motlakase o tsoelang pele bakeng sa ho kenya moea le ho lekola liparamente tsa moea.
Ka lebaka la ts'ebetso e potlakileng ea likokoana-hloko, nako ea ho boloka litšila e fokotseha ho feta e hlokahalang bakeng sa phekolo ea anaerobic.
Ho khetha mokhoa oa ho hloekisa metsi a litšila indastering ho ipapisitse le lintlha tse fapaneng tse kang:
Setsing sa ho hloekisa metsi a litšila, hangata, boemo ba DO bo pakeng tsa 1 ho isa ho 2 mg/L bo bolokoa. Maemo a tlase a DO a ka sitisa kholo ea likokoana-hloko 'me kahoo a fokotsa katleho ea phekolo ea semela sa hau sa phekolo.
Biogas e hlahisoa ka lebaka la libaktheria tse senyang lintho tse phelang ho se na oksijene. Mokhoa ona o tsejoa ka molao e le anaerobic tshilo ya dijo.
Sistimi ea phepelo ea metsi a litšila e sebelisa libaktheria le likokoana-hloko tse ling ho hloekisa metsi. Theknoloji ena e sebetsa hantle ho phekola metsi a silafalitsoeng ka lintho tse phelang, tse kang likhoerekhoere.
Phekolo ea metsi a litšila ea bioloji ke ts'ebetso e sebelisang likokoana-hloko ho senya litšila metsing a litšila. Mokhoa ona o etselitsoe ho thusa ho fokotsa ho fihla ho 80% ea litšila tse litšila pele li lokolloa.
Mekhoa ea ho hloekisa metsi a litšila e sebelisa e le 'ngoe kapa tse ling tsa tse latelang: karohano ea mekhahlelo, e kang sedimentation; mekhoa ea likokoana-hloko le lik'hemik'hale, tse kang oxidation; kapa ho bentsha.
