Mokhoa oa ho Kotula Metsi a Pula Ho Hloekisa Metsi a Letsatsi

Tlhaloso ea Sehlahisoa

Pokello ea metsi a pula e susumetsoa ke linako tsa selemo, kahoo ho eletsoa ho sebelisa mekhoa ea 'mele, lik'hemik'hale, le mekhoa e meng ea phekolo ho ikamahanya le ts'ebetso e sa khaotseng ea linako tsa selemo.Karohano ea pula le tšilafalo e kenyelletsa ho tsamaisa metsi a pula ka tankeng ea polokelo, ebe o etsa kalafo e bohareng ea 'mele le lik'hemik'hale.Litheknoloji tse ngata tse teng tsa phepelo ea metsi le metsi a litšila li ka sebelisoa ho hloekisa metsi a pula.Ka tloaelo, metsi a pula a nang le boleng bo botle a khethoa bakeng sa ho bokelloa le ho sebelisoa hape.Mokhoa oa phekolo o lokela ho ba bonolo, o sebelisa motsoako oa filtration le sedimentation.

Ha ho na le tlhokahalo e phahameng ea boleng ba metsi, mehato e tsamaellanang ea kalafo e lokela ho eketsoa.Boemo bona bo sebetsa haholo-holo libakeng tseo basebelisi ba nang le litlhoko tse phahameng tsa boleng ba metsi, joalo ka ho tlatsa metsi a pholileng bakeng sa litsamaiso tse futhumatsang moea le lits'ebeliso tse ling tsa metsi a indasteri.Ts'ebetso ea ho hloekisa metsi e lokela ho ipapisa le litlhoko tsa boleng ba metsi, ho kenyelletsa liphekolo tse tsoetseng pele joalo ka coagulation, sedimentation, le filtration e lateloang ke activated carbon or membrane filtration units.

Nakong ea pokello ea metsi a pula, haholo-holo ha metsi a phallang ka holim'a metsi a e-na le litšila tse ngata, ho arola seretse ho ka fokotsa tlhokahalo ea ho ntša tanka ea polokelo.Karohano ea sediment e ka finyelloa ka lisebelisoa tse kantle ho sethala kapa ka ho aha litanka tsa ho lokisa tse ts'oanang le litanka tsa mantlha tsa ho lokisa.

Ha litšila tse tsoang ts'ebetsong ena li sa fihlelle litlhoko tsa boleng ba metsi tsa 'mele oa metsi a naha, ho ka khonahala ho nahana ka ho sebelisa matla a tlhaho a tlhoekiso ea' mele oa naha le tlhokomelo ea boleng ba metsi le lits'ebetso tsa tlhoekiso ho hloekisa metsi a pula a tsoakiloeng ka metsing. mmele.Ha sebaka sa metsi se na le litlhoko tse khethehileng tsa boleng ba metsi, hangata ho hlokahala lisebelisoa tsa tlhoekiso.Haeba metsi a ka holim'a metsi a sebelisoa ho kena ka metsing, metsi a pula a ka tsamaisoa ka joang kapa liforo tsa lehlohlojane lebōpong la nōka ho lumella tlhoekiso ea pele pele e kena ka metsing, kahoo ho felisa tlhokahalo ea lisebelisoa tsa pele tsa metsi a pula.Libaka tsa metsi tsa naha ke libaka tsa polokelo ea metsi a pula tse bolokang chelete e ngata.Ha maemo a lumella ho boloka metsi a pula ka har'a 'mele oa metsi, metsi a pula a lokela ho bolokoa sebakeng sa metsi a naha ho e-na le ho haha ​​litanka tse arohaneng tsa polokelo ea metsi a pula.

Kalafo ea sedimentation e ka finyelloa ka ho sebelisa mekoti ea sedimentation le matamo bakeng sa sedimentation ea tlhaho nakong ea polokelo ea metsi a pula.Ha o sebelisa ho hloekisa ka potlako, boholo ba pore ea filthara e lokela ho ba lipakeng tsa 100 ho isa ho 500 micrometer.Boleng ba metsi bakeng sa ts'ebeliso ea mofuta ona bo phahame ho feta bakeng sa nosetso ea sebaka se setala, kahoo ho hlokahala hore ho be le coagulation filtration kapa flotation.Ho hloekisoa ha lehlabathe ho khothaletsoa bakeng sa ho tlhotla ha coagulation, ka boholo ba phatsa ea d le botenya ba bethe ea sefe ea H=800mm ho isa ho 1000mm.Polymeric aluminium chloride e khethoa e le coagulant, e nang le litekanyetso tsa 10mg/L.Tlhophiso e etsoa ka sekhahla sa 350m3/h.Ntle le moo, li-cartridges tsa fiber ball filter li ka khethoa, ka mokhoa o kopantsoeng oa metsi le moea oa backwash.

Ha ho na le litlhokahalo tse phahameng tsa boleng ba metsi, ho lokela ho eketsoa mehato e tsamaellanang ea kalafo, e sebetsang haholo libakeng tse nang le litlhoko tse phahameng tsa boleng ba metsi, joalo ka metsi a pholileng a moea, metsi a ka tlung le metsi a mang a indasteri.Boleng ba metsi bo lokela ho kopana le maemo a naha a amehang.Ts'ebetso ea ho hloekisa metsi e lokela ho kenyelletsa kalafo e tsoetseng pele e ipapisitseng le litlhoko tsa boleng ba metsi, joalo ka coagulation, sedimentation, filtration, le kamora kalafo ka activated carbon filtration kapa membrane filtration.

Seretse se hlahisoang nakong ea ts'ebetso ea ho hloekisa metsi a pula hangata ha se tlhaho, 'me phekolo e bonolo e lekane.Ha sebopeho sa sediment se rarahane, phekolo e lokela ho etsoa ho latela litekanyetso tse loketseng.

Metsi a pula a lula ka har'a letamo nako e telele haholo, hangata ho pota matsatsi a 1 ho isa ho a 3, 'me a na le phello e ntle ea ho tlosa seretse.Moralo oa letamo o lokela ho sebelisa ts'ebetso ea ona ea ho thella ka botlalo.Pompo ea metsi a pula e lokela ho hula metsi a hlakileng ka tankeng ea metsi ka hohle kamoo ho ka khonehang.

Lisebelisoa tse potlakileng tsa ho sefa tse entsoeng ka lehlabathe la quartz, anthracite, liminerale tse boima, le lisebelisoa tse ling tsa filthara ke lisebelisoa tsa kalafo tse seng li hōlile le mahlale a ho aha phepelo ea metsi 'me li ka sebelisoa bakeng sa phepelo ea metsi a pula.Ha ho sebelisoa lisebelisoa tse ncha tsa filthara le lits'ebetso tsa ho sefa, litekanyo tsa moralo li lokela ho khethoa ho ipapisitsoe le data ea liteko.Ka mor'a hore pula e na, ha ho sebelisoa metsi e le metsi a pholileng a sebelisoang hape, phekolo e tsoetseng pele e lokela ho etsoa.Lisebelisoa tsa kalafo tse tsoetseng pele li ka sebelisa lits'ebetso tse joalo ka ho sefa ha membrane le reverse osmosis.

Ho ipapisitsoe le boiphihlelo, ho khothaletsoa ho sebelisa mekhoa ea ho hloekisa metsi a pula hape, 'me tekanyo ea chlorine bakeng sa metsi a ts'ebeliso ea metsi a pula e ka bolela tekanyo ea chlorine ea k'hamphani ea phepelo ea metsi.Ho latela boiphihlelo ba ts'ebetso ho tsoa mose ho maoatle, tekanyo ea chlorine e ka ba 2 mg/L ho isa ho 4 mg/L, 'me metsi a litšila a ka fihlela litlhoko tsa boleng ba metsi bakeng sa metsi a fapaneng a litoropong.Ha u nosetsa libaka tse tala le litsela bosiu, ho sefa ho ka 'na ha se ke ha hlokahala.