N'ihi mgbanwe nke ihe ụfọdụ, àgwà sludge na-arụ ọrụ na-aghọ ìhè, gbasaa, na ịrụ ọrụ nhazi ahụ na-akawanye njọ, uru SVI na-aga n'ihu na-ebili, na enweghị ike ịme nkewa mmiri-mmiri nkịtị na tankị sedimentation nke abụọ.Ọkwa sludge nke tankị sedimentation nke abụọ na-aga n'ihu, na n'ikpeazụ, sludge na-efunahụ, na ntinye MLSS na tankị ikuku na-ebelata nke ukwuu, si otú a na-ebibi sludge na ọrụ usoro nkịtị.A na-akpọ ihe omume a sludge bulking.Mkpokọta sludge bụ ihe na-adịghị mma na-emekarị na sistemụ sludge arụ ọrụ.
A na-eji usoro sludge arụ ọrụ ugbu a n'ọtụtụ ebe na ọgwụgwọ mmiri mkpofu.Usoro a arụpụtala ezigbo ihe n'ịgwọ ọtụtụ ụdị mmiri na-ekpofu ahịhịa dị ka nsị nke ime obodo, ime akwụkwọ na ịcha mmiri n'efu, inye mmiri na-ekpofu mmiri na mmiri kemịkal.Otú ọ dị, enwere nsogbu nkịtị na ọgwụgwọ sludge na-arụ ọrụ, ya bụ, sludge dị mfe ịza n'oge ọrụ.Sludge bulking tumadi kewara n'ime filamentous nje bacteria ụdị sludge bulking na-abụghị filamentous nje bacteria ụdị sludge bulking, na e nwere ọtụtụ ihe kpatara ya guzobe.Nsogbu nke sludge bulking dị nnọọ njọ, ozugbo ọ na-eme, ọ na-esiri ike ịchịkwa, na oge mgbake dị ogologo.Ọ bụrụ na emeghị usoro nchịkwa n'oge, mfu sludge nwere ike ime, na-emebi ọrụ nke tankị ikuku, na-ebute ọdịda nke usoro ọgwụgwọ dum.
Ịgbakwunye calcium chloride nwere ike igbochi uto nke nje bacteria filamentous, bụ nke na-eme ka e guzobe micelles nje, ma melite arụmọrụ nke sludge.Calcium chloride ga-erepịa ma mepụta ion chloride mgbe agbazere na mmiri.ion chloride nwere mmetụta ịgba ọgwụ mgbochi na ọgwụ nje na mmiri, nke nwere ike igbu akụkụ nke nje bacteria filamentous ma gbochie ọzịza sludge nke nje bacteria filamentous kpatara.Mgbe ịkwụsị ihe mgbakwunye nke chlorine, ion chloride nwekwara ike ịnọ na mmiri ruo ogologo oge, na nje bacteria na filamentous adịghị eto oke n'ime obere oge, na microorganisms ka nwere ike ịmepụta nnukwu floc mgbe niile, nke na-egosikwa na mgbakwunye nke calcium chloride nwere ike igbochi uto nke nje bacteria na filamentous ma nwee mmetụta dị mma n'ịgwọ ọzịza sludge.
Ịgbakwunye calcium chloride nwere ike ịchịkwa ọzịza sludge ngwa ngwa na nke ọma, na SVI nke sludge arụ ọrụ nwere ike ibelata ngwa ngwa.SVI belatara site na 309.5mL/g ruo 67.1mL/g mgbe agbakwunyere calcium chloride.Na-agbakwunyeghị calcium chloride, SVI nke sludge na-arụ ọrụ nwekwara ike ibelata site n'ịgbanwe ọnọdụ ọrụ, ma ọnụ ọgụgụ mbelata na-eji nwayọọ nwayọọ.Ịtinye calcium chloride enweghị mmetụta doro anya na ọnụego mwepụ COD, yana ọnụego mwepụ COD nke ịgbakwunye calcium chloride bụ naanị 2% dị ala karịa nke na-agbakwunyeghị calcium chloride.
Oge nzipu: Jan-11-2024
