He aha te polyaluminium chloride?
Ko te Polyaluminum Chloride (Poly aluminum chloride) he poto iho i te PAC. He momo matū maimoatanga wai tēnei mō te wai inu, te wai ahumahi, te wai para, te purenga wai whenua hei tango tae, te tango COD, me ētahi atu mā te tauhohenga. Ka taea te kī he momo kaihopu flocculate, he kaihopu tango tae, he kaihopu whakakōkī rānei.
Ko te PAC he pūmua kore-waro wai i waenganui i te ALCL3 me te AL(OH)3, ko te tauira matū ko [AL2(OH)NCL6-NLm], ko te 'm' e tohu ana i te whānuitanga o te whakapūmua, ko te 'n' e tohu ana i te taumata kūpapa o ngā hua PAC. He iti te utu, he iti te whakamahinga, ā, he pai rawa te pānga purenga.
E hia ngā momo PAC?
E rua ngā tikanga whakaputa: ko tētahi he whakamaroke i roto i te pahu, ko tētahi he whakamaroke rehu. Nā te rerekētanga o ngā raina whakaputa, he iti ngā rerekētanga o te āhua me ngā mea kei roto.
Ko te PAC whakamaroke pahu he kirikiri kōwhai, he kirikiri kōwhai pouri rānei, ko te ihirangi Al203 kei waenganui i te 27% ki te 30%. Kāore e neke atu i te 1% te rauemi kore-rewa i roto i te wai.
Ko te paura whakamaroke rehu PAC he kōwhai, he kōwhai mārama, he mā rānei te tae, ā, ko te ihirangi AI203 kei roto i te 28% ki te 32%. Ko te ihirangi o te rauemi kore-rewa i roto i te wai kāore e neke atu i te 0.5%.
Me pēhea te whiriwhiri i te PAC tika mō ngā momo maimoatanga wai rerekē?
Kāore he whakamāramatanga mō te whakamahinga o te PAC i roto i te maimoatanga wai. He paerewa noa iho tēnei mō ngā whakaritenga PAC mō te maimoatanga wai. Ko te nama paerewa mō te maimoatanga wai inu ko GB 15892-2009. I te nuinga o te wā, e 27-28% te PAC e whakamahia ana i roto i te maimoatanga wai kore-inu, ā, e 29-32% te PAC e whakamahia ana i roto i te maimoatanga wai inu.
Te wā tuku: Hōngongoi-20-2021