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Litaba

Ts'ireletso ea tikoloho: ts'ebetso ea ts'ebetso ea setsi sa likhoerekhoere sa makeisheneng lisebelisoa tse kopaneng

Ka nts'etsopele ea moruo oa mahaeng le keketseho ea baahi, ho qhalloa ha likhoerekhoere malapeng le hona ho ntse ho eketseha. E le ho sireletsa tikoloho ea mahaeng le bophelo bo botle ba batho, ho hlokahala hore ho hahoe lits'ebeletso tse eketsehileng tsa likhoerekhoere ho hloekisa likhoerekhoere tsa mahaeng. Township likhoerekhoere semela kopantswe thepa e hlahile ka nako ea histori, hore mosebetsi oa eona tshebetso hantle kamoo, kajeno ho utloisisa.

Thepa e kopantsoeng ea setsi sa ho hloekisa likhoerekhoere tsa makeisheneng haholo-holo e sebelisa mokhoa oa AO oa phekolo ea likokoana-hloko ho tlosa litšila tse phelang le ammonia nitrogen. Molao-motheo oa eona oa ho sebetsa ke sehlopheng sa A, ka lebaka la mahloriso a phahameng a lintho tse phelang ka likhoerekhoere, likokoana-hloko li boemong ba hypoxia, ka nako ena, likokoana-hloko ke likokoana-hloko tse facultative, li tla senya naetrojene ea manyolo ka likhoerekhoere ka NH? Le ho sebelisa tse ling tsa mehloli ea organic carbon le NH?-N bakeng sa ho qaptjoa ha lisebelisoa tse ncha tsa cellular.

Ka hona, sehlopha sa A letamo la lisebelisoa tsa ho hloekisa likhoerekhoere ha li na mosebetsi o itseng feela oa ho tlosa lintho tse phelang, ho fokotsa boima ba manyolo a tanka e latelang ea aerobic, e leng ho loketseng ho nitrification, empa hape ho itšetlehile ka bongata bo bongata ba lintho tse phelang tse teng metsing a tala ho phethahatsa denitrification, 'me qetellong ho felisa tšilafalo ea naetrojene eutrophic.

Sehlopheng sa O, hobane mahloriso a lintho tse phelang a fokotsehile haholo, empa lisebelisoa tse kopantsoeng tsa likhoerekhoere li ntse li e-na le palo e itseng ea lintho tse phelang le NH?-N e phahameng. E le ho etsa ho senyeha ho eketsehileng ha oxidation ea lintho tse phelang, 'me tlas'a ho phethoa ha carbonization, matla a nitrification a tsoela pele hantle, tanka ea aerobic biological contact oxidation e nang le thepa e tlaase e behoa boemong ba O.

Likokoana-hloko tsa Aerobic le libaktheria tsa "self-oxygenic" li fumaneha haholo sehlopheng sa O-letamo la lisebelisoa tse kopantsoeng tsa likhoerekhoere. Na li-microorganisms tsa aerobic li senya lintho tse phelang ho ba CO? Mme H? O, inorganic carbon kapa CO moeeng? E le mohloli oa limatlafatsi, na NO ka likhoerekhoere?-N, NO?-N fetoha N?. Metsi a metsi a letamo la O a phallela letamong la A, a fana ka moamoheli oa elektrone bakeng sa letamo la A, 'me qetellong a felisa tšilafalo ea naetrojene ka denitrification.

Thepa e kopaneng ea litsi tsa likhoerekhoere tsa makeisheneng libakeng tse fapaneng li hloka ho khetha thekenoloji e loketseng ea likhoerekhoere ho latela maemo a itseng a libaka tsa mahaeng, hape e hloka ho nahana ka monyetla, moruo le phello ea tikoloho ea theknoloji. Tšireletso ea tikoloho ea Jiading e kopantsoeng lisebelisoa tsa phekolo ea likhoerekhoere li ka finyella litlhoko tsa lithane tse 0.3 tse kopantsoeng tsa 10,000 tsa phekolo ea likhoerekhoere, 'me lihlahisoa tse 9 tsa lihlahisoa li ka khethoa ka bolokolohi, ho ea ka maemo a fapaneng.


Nako ea poso: Mar-19-2024