Polyaluminium chlorideHe flocculant kūpono loa ia, hoʻohana pinepine ʻia i ka wai ʻino o ke kūlanakauhale a me ka mālama ʻana i ka wai ʻino o nā ʻoihana. Loaʻa iā ia nā ʻano o ka pono kiʻekiʻe a me ke kūpaʻa. Ke kamaʻilio mākou e pili ana i ka PAC, ʻo kekahi o nā hōʻailona i ʻōlelo pinepine ʻia ʻo ia ka basicity. No laila he aha ka basicity? He aha ka hopena o ka basicity i ka maikaʻi o ka polyaluminium chloride? ʻO ka hoʻomaopopo ʻana i kēia manaʻo e loaʻa ka hopena nui i ke koho ʻana o ka polyaluminium chloride.
He aha ka basicity i loko o ka polyaluminium chloride?
Ma ka PAC, ʻo ke kumu o ka basicity e pili ana i ka lakio molar o nā hui hydroxyl i nā ion alumini. Hōʻike pinepine ʻia ia ma ke ʻano he kumu o ka basicity (B):
B = [OH]-] / [ʻAl3+]
ʻO ke kumu kekahi o nā hōʻailona hana koʻikoʻi o ka polyaluminium chloride. Hoʻopilikia pololei ia i ka hopena flocculation o PAC.
Hoʻolako kā mākou hui i nā ʻano PAC like ʻole me kahi basicity mai 40% a 90%.
ʻO ke ʻano o ka hopena o ka basicity ma ka polyaluminium chloride
Hoʻopilikia ka Basicity i ka hana o PAC ma o ka hoʻopilikia ʻana i ke ʻano o ka polymer a me ka hoʻolaha ʻana o ka PAC. Hoʻoholo ka Alkalinity i ke kiʻekiʻe o ka polymerization o nā hui alumini hydroxyl ma PAC. ʻO ke kumu kiʻekiʻe e kōkua i ka hoʻokumu ʻia ʻana o PAC me ke kiʻekiʻe polymerization a hoʻomaikaʻi i kona hopena flocculation. A e hoʻopilikia ka basicity i ka hoʻolaha ʻana o ka PAC a me kona hiki ke adsorption no nā mea i hoʻopiʻi maikaʻi ʻole ʻia.
Ka hopena o ke kumu ma ka PAC:
Hiki i ka basicity kūpono ke hoʻonui i ka hopena flocculation o ka polyaluminium chloride. ʻO ka basicity haʻahaʻa loa e alakaʻi i ka hydrolysis lawa ʻole o ka PAC a hōʻemi i ka hopena flocculation.
E hoʻopilikia pū ka basicity i ka nui, ka nui a me ka nui o ka sedimentation o nā flocs condensed polyaluminium chloride. Hiki i ka basicity kūpono ke lawelawe maikaʻi loa i kēia ʻano.
No laila, he mea nui loa ke koho ʻana i ke kumu hoʻohālike PAC kūpono e like me kāu mau pono.
Hiki iā mākou ke hāʻawi i nā kumu hoʻohālike PAC aʻe:
| Mea | PAC-I | PAC-D | PAC-H | PAC-M | PAC-G |
| helehelena | Pauka melemele | Pauka melemele | Pauka keʻokeʻo | Pauka waiū | Pauka keʻokeʻo waiū |
| ʻIke (%, Al2O3) | 29±1 | 30±1 | 30±1 | 30±1 | 30±1 |
| Kumu (%) | 40 – 90 | 40 – 90 | 40 – 90 | 40 – 90 | 40 – 90 |
| Mea hoʻoheheʻe ʻole i ka wai (%) | 1.0 MAX | 0.6 MAX | 0.6 MAX | 0.6 MAX | 0.6 MAX |
| pH | 3.0 – 5.0 | 3.0 – 5.0 | 3.0 – 5.0 | 3.0 – 5.0 | 3.0 – 5.0 |
Hana mākou i ka kaohi maikaʻi loa ma kā mākou mau hale hana hoa polyaluminium chloride a hiki ke hana i nā ʻōlelo aʻoaʻo hoʻohālike pololei e like me nā pono o nā mea kūʻai aku, e hāʻawi ana i nā mea kūʻai aku me ka PAC kiʻekiʻe e hoʻokō ana i kā lākou mau pono. Loaʻa i kā mākou hui kūʻai aku ka ʻike nui i ke koho huahana a hiki ke hāʻawi i nā mea kūʻai aku me nā ʻōlelo aʻoaʻo loea a me nā laʻana kūpono loa no nā mea kūʻai aku e hana i nā hoʻokolohua beaker.
Inā ʻoe e ʻimi nei i kahi mea hilinaʻiMea Hoʻolako PACno ka mālama ʻana i ka wai inu, ka mālama ʻana i ka wai ʻino ʻoihana a i ʻole nā noi ʻē aʻe, hiki iā mākou ke hāʻawi i ka PAC maʻamau e hoʻokō i kāu mau pono. E kāhea mai iā mākou i kēia manawa e aʻo hou e pili ana i kā mākou huahana PAC hana kiʻekiʻe a loaʻa i kahi ʻōlelo hoʻokūkū!
Ka manawa hoʻouna: Malaki-27-2025
