Pūhaumāota PolyaluminiumHe mea whakapūkara tino whai hua te waikura, e whakamahia ana i roto i te maimoatanga para o ngā tāone me ngā waikura ahumahi. He āhuatanga tōna o te tino whai hua me te pumau. Ina kōrero tātou mō te PAC, ko tētahi o ngā tohu e whakahuatia ana ko te taketake. Nō reira, he aha te taketake? He aha te pānga o te taketake ki te kounga o te polyaluminium chloride? Mā te mārama ki tēnei ariā ka nui te pānga ki te kōwhiringa o te polyaluminium chloride.
He aha te tikanga o te matūriki i roto i te polyaluminium chloride?
I roto i te PAC, ko te matūriki e pā ana ki te ōwehenga molar o ngā rōpū hydroxyl ki ngā iona konumohe. I te nuinga o te wā ka whakaatuhia hei matūriki (B):
B = [OH]-] / [Al3+]
Ko te taketake tētahi o ngā tohu mahi tino nui o te polyaluminium chloride. Ka pā tika ki te pānga flocculation o te PAC.
Ka tukuna e tā mātou kamupene ngā momo PAC me te taumata taketake mai i te 40% ki te 90%.
Te tikanga o te awe o te taketake ki te polyaluminium chloride
Ka pā te āhua taketake ki te mahi a te PAC mā te pānga ki te āhua o te pūmua me te tohatoha utu o te PAC. Ka whakatau te kawakore i te taumata o te whakapūmuatanga o ngā matatini konumohe hydroxyl i roto i te PAC. Ka āwhina te taketake teitei ake ki te hanganga o te PAC me te taumata whakapūmuatanga teitei, ā, ka whakapai ake i tōna pānga flocculation. Ā, ka pā te taketake ki te tohatoha utu pai o te PAC me tōna kaha adsorption mō ngā matū kua utua kinotia.
Te pānga o te taketake ki te PAC:
Mā te matūtanga tika ka taea te whakapai ake i te pānga rere o te polyaluminium chloride. Mā te iti rawa o te matūtanga ka kore e ranea te waikura o te PAC, ā, ka whakaitihia te pānga rere.
Ka pā anō hoki te āhua taketake ki te rahi, te mātotoru me te tere o te whakatōtō o ngā paraka kōpeke o te polyaluminium chloride. Ka taea e te āhua taketake tika te whakahaere i tēnei āhuatanga.
Nō reira, he mea tino nui te whiriwhiri i te tauira PAC e tika ana mō ō hiahia.
Ka taea e mātou te whakarato i ngā tauira PAC e whai ake nei:
| Taonga | PAC-I | PAC-D | PAC-H | PAC-M | PAC-G |
| Āhua | Paura kōwhai | Paura kōwhai | Paura mā | Paura miraka | Paura Ma |
| Ihirangi (%, Al2O3) | 29±1 | 30±1 | 30±1 | 30±1 | 30±1 |
| Te taketake (%) | 40 – 90 | 40 – 90 | 40 – 90 | 40 – 90 | 40 – 90 |
| Mea kore-wairewa (%) | 1.0 TE WHAKAMAHI | 0.6 TEITEI | 0.6 TEITEI | 0.6 TEITEI | 0.6 TEITEI |
| pH | 3.0 – 5.0 | 3.0 – 5.0 | 3.0 – 5.0 | 3.0 – 5.0 | 3.0 – 5.0 |
He tino kaha tā mātou whakahaere i te kounga o ā mātou wheketere hoa polyaluminium chloride, ā, ka taea e mātou te tuku taunakitanga tauira tika e ai ki ngā hiahia rerekē o ngā kiritaki, me te whakarato i te PAC kounga teitei ki ngā kiritaki e tutuki ai ā rātou hiahia. He nui ngā wheako o tā mātou tīma hokohoko ki te whiriwhiri hua, ā, ka taea e rātou te whakarato tohutohu ngaio me ngā tauira tino tohunga ki ngā kiritaki hei whakahaere i ngā whakamātautau beaker.
Mena kei te rapu koe i tētahi mea ponoKaiwhakarato PACMō te maimoatanga wai inu, te maimoatanga waipara ahumahi, me ētahi atu whakamahinga rānei, ka taea e mātou te whakarato i te PAC ritenga hei whakatutuki i ō hiahia. Whakapā mai inaianei ki te ako atu mō ā mātou hua PAC mahi-teitei, me te tiki i tētahi whakatau utu whakataetae!
Wā tuku: Maehe-27-2025
