he aha te polyaluminum chloride?
Ko te Polyaluminum Chloride (Poly aluminum chloride) he poto o te PAC.He momo matū maimoatanga wai mo te wai inu, te wai ahumahi, te wai para, te purenga wai o te whenua mo te tango tae, te tango COD, me era atu ma te tauhohenga.Ka taea te kiia he momo kaihoko flocculate, he kaihoko whakaheke, he coagulant ranei.
Ko te PAC he wai-wairewa parakore waiwaro i waenga i te ALCL3 me te AL(OH) 3, ko te tauira matū ko [AL2(OH)NCL6-NLm],'m' tohu ki te whānuitanga o te polymerization , 'n' tu mo te taumata kūpapa o Ko nga hua o te PAC.lt he painga o te utu iti.he iti te kai, me te pai o te purenga.
E hia nga momo PAC?
E rua nga tikanga whakaputa: ko tetahi he whakamaroke pahū, ko tetahi he whakamaroke rehu.Na te rereke o nga raina whakaputa, he iti noa nga rereketanga mai i te ahua me nga ihirangi.
Ko te PAC whakamaroke pahū he kowhai, he kowhai pouri ranei, me te ihirangi o Al203 mai i te 27% ki te 30%.Ko nga mea korekore i roto i te wai kaua e neke ake i te 1%.
Ahakoa he kowhai te PAC Mapu whakamaroke.kowhai kowhai ma ranei paura tae ma, me te ihirangi o AI203 i 28% ki te 32%.Theinsoluble rauemi i roto i te wai e kore e neke atu i te 0.5%.
Me pehea te whiriwhiri i te PAC tika mo nga momo maimoatanga wai?
Karekau he whakamaramatanga mo te tono PAC mo te maimoatanga watet.He paerewa noa mo te whakaritenga whakakitenga PAC mo te maimoatanga wai kore.Paerewa Nama mo te maimoatanga wai inu ko GB 15892-2009. I te nuinga o te waa, ka whakamahia te 27-28% PAC i roto i te maimoatanga wai-kore, me te 29-32% PAC e whakamahia ana mo te maimoatanga wai inu.
Wā tuku: Hūrae-20-2021