Lintlha tsa bohlokoa bakeng sa ts'ebetso ea tlhahlobo ea boleng ba metsi libakeng tsa ho hloekisa likhoerekhoere karolo ea bohlano

31. Lintho tse tiileng tse emisitsoeng ke life?
Lintho tse tiileng tse emisitsoeng SS li boetse li bitsoa lintho tse sa hloekeng.Mokhoa oa ho lekanya ke ho sefa sampole ea metsi ka lera la sefene sa 0.45μm ebe o fetoha mouoane le ho omisa masalla a tlhotliloeng ho 103oC ~ 105oC.Volatile suspended solids VSS e bolela boima ba lintho tse tiileng tse fanyehiloeng tse fetohang ka mor'a ho chesa ka mocheso o phahameng oa 600oC, tse ka batlileng li emela likahare tsa lintho tse phelang linthong tse tiileng tse emisitsoeng.Lintho tse setseng ka mor'a ho chesoa ke lintho tse tiileng tse emisitsoeng tse sa fetoheng, tse ka batlang li emela litaba tsa lintho tse sa pheleng ka har'a lintho tse tiileng tse emisitsoeng.
Metsing a litšila kapa a silafetseng, likahare le thepa ea lintho tse tiileng tse sa qhibiliheng li fapana ho ea ka mofuta oa litšila le tekanyo ea tšilafalo.Lintho tse tiileng tse emisitsoeng le lintho tse tiileng tse emisitsoeng ke matšoao a bohlokoa bakeng sa moralo oa ho hloekisa metsi a litšila le taolo ea ts'ebetso.
32. Ke hobane'ng ha lintho tse tiileng tse fanyehiloeng le lintho tse tiileng tse emisitsoeng e le lintlha tsa bohlokoa moralong oa ho hloekisa metsi a litšila le taolong ea ts'ebetso?
Lintho tse tiileng tse emisitsoeng le lintho tse tiileng tse emisitsoeng ka metsing a litšila ke lintlha tsa bohlokoa moralong oa ho hloekisa metsi a litšila le taolong ea ts'ebetso.
Mabapi le litaba tse emisitsoeng tsa metsi a litšila a tanka ea sedimentation ea bobeli, tekanyetso ea naha ea boemo ba pele ba tsamaiso ea likhoerekhoere e bolela hore ha ea lokela ho feta 70 mg/L (litsi tsa likhoerekhoere tsa litoropo ha li na ho feta 20 mg/L), e leng e 'ngoe ea matšoao a bohlokoa ka ho fetisisa a taolo ea boleng ba metsi.Ka nako e ts'oanang, lintho tse tiileng tse emisitsoeng ke sesupo sa hore na tsamaiso e tloaelehileng ea likhoerekhoere e sebetsa ka mokhoa o tloaelehileng.Liphetoho tse sa tloaelehang palong ea lintho tse tiileng tse fanyehiloeng ka metsing ho tloha tanka ea sedimentation ea bobeli kapa ho feta tekanyetso li bontša hore ho na le bothata tsamaisong ea likhoerekhoere, 'me mehato e amehang e tlameha ho nkoa ho e khutlisetsa setloaeleng.
The suspended solids (MLSS) le volatile suspended solids content (MLVSS) sludge e kentsoeng ka har'a sesebelisoa sa kalafo ea baeloji e tlameha ho ba ka har'a bongata bo itseng, 'me bakeng sa lits'ebetso tsa likhoerekhoere tse nang le boleng bo tsitsitseng ba metsi, ho na le kamano e itseng lipakeng tsa tse peli.Haeba MLSS kapa MLVSS e feta tekanyo e itseng kapa karo-karolelano lipakeng tsa liphetoho tse peli haholo, ho tlameha ho etsoe boiteko ba ho e khutlisetsa setloaeleng.Ho seng joalo, boleng ba mokelikeli o tsoang tsamaisong ea phekolo ea likokoana-hloko bo tla fetoha ka mokhoa o ke keng oa qojoa, esita le matšoao a fapaneng a ho tsoa, ​​ho kenyelletsa le lintho tse tiileng tse emisitsoeng, li tla feta litekanyetso.Ntle le moo, ka ho metha MLSS, index ea sludge volume ea motsoako oa tanka ea aeration le eona e ka beoa leihlo ho utloisisa litšobotsi tsa ho rarolla le ts'ebetso ea seretse se kentsoeng le lintho tse ling tse emisitsoeng.
33. Mekhoa ea ho metha lintho tse tiileng tse fanyehiloeng ke efe?
GB11901-1989 e totobatsa mokhoa oa ho etsa qeto ea gravimetric ea lintho tse tiileng tse emisitsoeng ka metsing.Ha ho lekanya lintho tse tiileng tse emisitsoeng SS, metsi a litšila kapa mokelikeli o tsoakiloeng hangata o bokelloa, o sefshoa ka lera la 0.45 μm ho thibela lintho tse tiileng tse emisitsoeng, 'me lera la sefa le sebelisetsoa ho thibela lintho tse tiileng pele le ka morao.Phapang ea bongata ke palo ea lintho tse tiileng tse emisitsoeng.Karolo e tloaelehileng ea SS bakeng sa metsi a litšila a akaretsang le metsi a litšila a bobeli a sedimentation tanka ke mg/L, ha yuniti e tloaelehileng ea SS bakeng sa tanka ea moea e tsoakiloeng le seretse se khutlang ke g/L.
Ha u lekanya lisampole tsa metsi ka boleng bo boholo ba SS joalo ka joala bo tsoakiloeng le aeration le sludge e khutlisang litsing tsa ho hloekisa metsi a litšila, 'me ha ho nepahala ha liphetho tsa litekanyo ho le tlase, ho ka sebelisoa pampiri ea filthara ea bongata sebakeng sa 0.45 μm filthara.Sena se ke ke sa bonts'a boemo ba 'nete feela ho tataisa tokiso ea ts'ebetso ea tlhahiso ea' nete, empa hape le ho boloka litšenyehelo tsa tlhahlobo.Leha ho le joalo, ha u metha SS ka har'a metsi a litšila a tanka ea sedimentation ea bobeli kapa mokelikeli o tebileng oa kalafo, ho tlameha ho sebelisoa lesela la filthara ea 0.45 μm bakeng sa tekanyo, ho seng joalo phoso liphethong tsa tekanyo e tla ba kholo haholo.
Ts'ebetsong ea ho hloekisa metsi a litšila, khatello ea lintho tse thata tse emisitsoeng ke e 'ngoe ea lintlha tsa ts'ebetso tse hlokang ho bonoa khafetsa, joalo ka "inlet suspended solids concentration, mokelikeli o kopantsoeng oa seretse o kenang moeeng, khatello ea seretse se khutlang, seretse se setseng, joalo-joalo. fumana boleng ba SS, limithara tsa mahloriso a sludge hangata li sebelisoa limela tsa ho hloekisa metsi a litšila, ho kenyelletsa mofuta oa optical le mofuta oa ultrasonic.Molao-motheo oa optical sludge concentration meter ke ho sebelisa lebone la khanya hore le hasane ha le kopana le likaroloana tse emisitsoeng ha le feta metsing, 'me matla aa fokola.Ho hasana ha leseli ho ka tekanyo e itseng ho palo le boholo ba likaroloana tse emisitsoeng tse kopaneng.Leseli le hasaneng le bonoa ke sele e nkang lifoto.le tekanyo ea ho fokotsa khanya, ho ka boleloa hore ho na le seretse se ka metsing.Molao-motheo oa ultrasonic sludge concentration meter ke hore ha maqhubu a ultrasonic a feta metsing a litšila, attenuation ea ultrasonic intensity e lekana le mahloriso a likaroloana tse emisitsoeng ka metsing.Ka ho lemoha ho fokotsoa ha maqhubu a ultrasonic ka sensor e khethehileng, ho fokotseha ha metsi ka metsing ho ka hlalosoa.
34. Ke mehato efe ea ho itšireletsa bakeng sa boikemisetso ba lintho tse tiileng tse emisitsoeng?
Ha ho metha le ho etsa lisampole, sampole ea metsi a litšila a tanka ea sedimentation ea bobeli kapa sampole ea seretse e kentsoeng sesebelisoa sa kalafo ea baeloji e tlameha ho emela, 'me likaroloana tse kholo tsa lintho tse phaphametseng kapa maqeba a mangata a qoelitsoeng ho eona a lokela ho tlosoa.E le ho thibela masala a feteletseng holim'a disk ea filthara ho tloha ho kenya metsi le ho lelefatsa nako ea ho omisa, molumo oa sampling o molemo ka ho fetisisa ho hlahisa 2.5 ho 200 mg ea lintho tse tiileng tse emisitsoeng.Haeba ho se na motheo o mong, molumo oa sampole bakeng sa qeto ea lintho tse tiileng tse emisitsoeng o ka beoa e le 100ml, 'me o tlameha ho tsoakoa ka botlalo.
Ha u lekanya lisampole tsa seretse tse kentsoeng tšebetsong, ka lebaka la lintho tse tiileng tse emisitsoeng, bongata ba lintho tse tiileng tse fanyehiloeng sampoleng hangata li feta 200 mg.Tabeng ena, nako ea ho omisa e tlameha ho atolosoa ka mokhoa o nepahetseng, ebe e fetisetsoa ho se omisang ho pholile ho mocheso o leka-lekaneng pele ho bekha.Ho omisa khafetsa le ho omisa ho fihlela boima bo sa feleng kapa tahlehelo ea boima e le tlase ho 4% ea boima bo fetileng.E le ho qoba ts'ebetso ea ho omisa, ho omisa le ho bekha ka makhetlo a mangata, mohato o mong le o mong oa ts'ebetso le nako li tlameha ho laoloa ka thata le ho phethoa ka boikemelo ke setsebi sa laboratori ho netefatsa mekhoa e tsitsitseng.
Mehlala ea metsi e bokelletsoeng e lokela ho hlahlobjoa le ho lekanyetsoa kapele kamoo ho ka khonehang.Haeba li hloka ho bolokoa, li ka bolokoa ka sehatsetsing sa 4oC, empa nako ea polokelo ea lisampole tsa metsi ha ea lokela ho feta matsatsi a 7.E le ho etsa hore liphetho tsa litekanyo li nepahale ka hohle kamoo ho ka khonehang, ha u lekanya lisampole tsa metsi tse nang le litekanyetso tse phahameng tsa SS tse kang mokelikeli o tsoakiloeng oa aeration, molumo oa sampuli ea metsi o ka fokotsoa ka nepo;ha u lekanya lisampole tsa metsi ka boleng bo tlase ba SS joalo ka metsi a litšila a tanka ea bobeli ea sedimentation, bophahamo ba metsi a teko bo ka eketsoa ka nepo.Molumo o joalo.
Ha u lekanya bongata ba seretse se nang le boleng bo phahameng ba SS joalo ka seretse se khutlang, e le ho thibela mecha ea litaba ea filthara joalo ka membrane ea sesefa kapa pampiri ea sefa hore e se ke ea thibela lintho tse tiileng tse emisitsoeng le ho kenya metsi a mangata haholo, nako ea ho omisa e tlameha ho atolosoa.Ha u bekha boima ba 'mele kamehla, hoa hlokahala ho ela hloko hore na boima bo fetoha hakae.Haeba phetoho e le khōlō haholo, hangata e bolela hore SS ka lera la filthara e omme ka ntle 'me e le metsi ka hare,' me nako ea ho omisa e lokela ho atolosoa.


Nako ea poso: Oct-12-2023