Indlela yokujiya kwamanzi amdaka enziwe ngephepha ifuna ukongezwa kwe-coagulant ethile, edla ngokubizwa ngokuba yi-flocculant esusa umbala emanzini amdaka enziwe ngephepha. Ngenxa yokuba i-coagulation sedimentation inokususa izinto eziqinileyo ezixhonyiweyo emanzini amdaka, i-chemical sedimentation inokususa umbala.
Ngoko ke, uninzi lwezinto ezingcolileyo, ii-colloids kunye nokungcola emanzini amdaka zinokunyuka kwaye zihlanganiswe ngokongeza le arhente yokunciphisa i-chemical kwi-coagulation sedimentation tank, ukuze kufezekiswe isiphumo sokutshintsha umbala kunye nokuphazamiseka, kwaye amanzi amdaka aya kuba acacile. Ii-flocculants ezisetyenziswa rhoqo zokususa umbala ziquka ii-polymer flocculants kunye nee-microbial flocculants, kwaye ii-polymer flocculants ziquka ii-synthetic organic polymers, ii-inorganic polymers, kunye nee-organic polymers zendalo. Kucacile ukuba i-flocculant esusa umbalaKwenziwe ngephepha, amanzi amdaka yipolymer eyenziweyo enemolekyuli eninzi.
Amanzi amdaka adla ngokunyangwa ngolu hlobo lulandelayo: i-screen → adjustment → sedimentation okanye air flotation → A/O okanye contact oxidation → secondary sedimentation tank → discharge. I-flocculant esusa umbala isetyenziswa kwi-sedimentation tank, kwaye ineempawu zokusebenza okulula, izinga eliphezulu lokususa i-COD, kwaye inokuthintela ungcoliseko lwesibini.
Kukho iintlobo ezininzi zamanzi amdaka kushishino lwephepha. Nokuba ngamanzi amdaka kwindawo yokusebenzela yokuvelisa, iteknoloji yonyango esetyenziswayo iya kwahluka. Nangona kunjalo, into efanayo ngala manzi amdaka yi-COD ephezulu, i-chroma ephezulu, ukususwa kombala kunye nokunciphisa i-COD, ngoko ke anokunyangwa ngokulula ngee-flocculants ezisusa umbala ekwenzeni amanzi amdaka ephepha, aze asebenzisane neenkqubo ezahlukeneyo ukuvumela amashishini okuphinda asebenzise amanzi ukuba asebenzise okanye ahlangabezane nemigangatho yokukhupha. Yenza umgca. Xa umgangatho wamanzi amdaka kunye nenkqubo yonyango zahlukile, kunxulumene nomthamo kunye nokukhetha imodeli ye-flocculant esusa umbala. Ke ngoko, kucetyiswa ukuba kwenziwe uvavanyo lwesampulu encinci ngaphambi kokuyisebenzisa kumatshini ukuze kuchongwe imodeli kunye nomthamo (uninzi lweemveliso zethu lunayoiisampulu zasimahla, ukuze kubonelelwe ngedatha echanekileyo ngakumbi kunye nesiqinisekiso esingcono sokusetyenziswa kwindawo.
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Ixesha lokuthumela: Julayi-29-2022