Ukuze ukhiphe noma usebenzise kabusha indle ngemuva kokwelashwa, amakhemikhali ahlukahlukene adinga ukusetshenziswa kwinqubo yokwelashwa kwendle. Namuhla,I-Pam (polyyacrylamide) abahlinzekiuzokutshela ngama-flocculants:
I-flecculontant: Ngezinye izikhathi ebizwa nangokuthi i-coagulant, ingasetshenziswa njengendlela yokuqinisa ukwehlukaniswa okuqinile okuwuketshezi, futhi ingasetshenziswa ethangini lokuhlanza eliyisisekelo, ithangi lesibili lokuhlanza, ithangi lokuhlanza, ukwelashwa okuthuthukile nezinye izixhumanisi zenqubo.
Ama-Flocculatants asetshenziswa njengendlela yokuqinisa ukwehlukaniswa okuqinile okuwuketshezi emkhakheni wokwelashwa kwendle. Zingasetshenziselwa ukuqinisa ukuqina kwendle, ukwelashwa kwe-flotation kanye nokudonswa kwesibili ngemuva kwenqubo eyenziwe ye-sludge, futhi nayo ingasetshenziselwa ukwelashwa okuphezulu noma ukwelashwa okuthuthukile kwendle. Lapho isetshenziselwa isimo ngaphambi kokuphelelwa ngamandla kwama-sludge ngokweqile, ama-flocculants kanye nama-coagulants aba yindawo yokugoba noma ama-dehydrating agents.
Lapho usebenzisa i-Flocculant yendabuko, indlela yokungeza aids enobuhlanga ingasetshenziswa ukuthuthukisa umphumela we-floccation. Isibonelo, usebenzisa i-silicic acid esetshenzisiwe njenge-aid ye-silicic njenge-aid ye-inorganic ye-inorganic enjenge-ferrous sulfate kanye ne-aluminium sulfate futhi ukubengeza ngokulandelana kungafinyelela ku-floccation enhle. Ngakho-ke, ngokwemigomo kaLayman, i-IPF ye-InorLic Flemer Flemculant empeleni ilungiselelwe ngokuhlanganisa usizo lwe-coulant kanye ne-flocculant bese ingezwa ndawonye ukwenza lula ukusebenza komsebenzisi.
Ukwelashwa ngokubambisana kuvame ukubekwa phambi kwesikhungo sokuhlukanisa okuqinile okuwuketshezi, futhi kuhlangene nesikhungo sokuhlukanisa, kungasusa ngempumelelo ama-solids amisiwe nezinto eziyizinhlayiya ze-15 kuya ku-100 Ukwelashwa, ukwelashwa okuthuthukile, nakho kungasetshenziselwa ukwelashwa okusalayo kwe-sludge. Ukwelashwa ngokubabaza nakho kungasusa ngempumelelo ama-microorganisms namagciwane e-pathogenic emanzini, futhi ukhiphe uwoyela we-emulsofied, ama-chroma, ama-ion wensimbi ashubile nokunye ukungcoliswa kwendle. Isilinganiso sokususa i-phosphorus esiqukethwe indle indle singama-90% lapho ukuqunjelwa kwe-coogation kusetshenziselwa ukwelapha i-phosphorus. ~ 95%, yindlela eshibhile futhi esebenza kahle kakhulu yokususwa kwe-phosphorus.
Enqubweni yokwelashwa kwendle, kuzosetshenziswa abanye ama-ejenti. Namuhla,Umenzi wePamwethulwa eyodwa kuphela yazo. Ngabe usaqonda? Naka i-yuncang bese uphendula imininingwane yokwelashwa kwendle okwengeziwe kuwe!
Isikhathi Sokuthumela: Dec-01-2022