Polyaluminium chlorideke flocculant e sebetsang hantle haholo, e atisang ho sebelisoa kalafong ea likhoerekhoere tsa masepala le metsi a litšila a indasteri. E na le litšobotsi tsa bokhoni bo phahameng le botsitso. Ha re bua ka PAC, e 'ngoe ea matšoao a atisang ho boleloa ke basicity. Joale basicity ke eng? Basicity e na le phello efe boleng ba polyaluminium chloride? Ho utloisisa mohopolo ona ho tla ba le tšusumetso e kholo khethong ea polyaluminium chloride.
Bohlokwa ba polyaluminium chloride ke eng?
Ho PAC, basicity e bolela karolelano ea molar ea lihlopha tsa hydroxyl ho li-ion tsa aluminium. Hangata e hlalosoa e le basicity (B):
B = [OH]-] / [Al3+]
Basicity ke e 'ngoe ea matšoao a bohlokoa ka ho fetisisa a ts'ebetso ea polyaluminium chloride. E ama ka ho toba phello ea flocculation ea PAC.
Khamphani ea rona e fana ka mefuta e fapaneng ea PAC ka boleng ba motheo ho tloha ho 40% ho isa ho 90%.
Mokhoa oa tšusumetso ea basicity holim'a polyaluminium chloride
Bohlokwa bo ama tshebetso ya PAC ka ho ama sebopeho sa polymer le kabo ya tjhaja ya PAC. Alkalinity e etsa qeto ya tekanyo ya polymerization ya di-complexes tsa aluminium hydroxyl ho PAC. Bohlokwa bo hodimo bo thusa ho thehwa ha PAC ka tekanyo e hodimo ya polymerization mme bo ntlafatsa phello ya yona ya flocculation. Mme bohlokwa bo tla ama kabo ya tjhaja e ntle ya PAC le bokgoni ba yona ba ho monya dintho tse nang le tjhaja e mpe.
Tšusumetso ea motheo ho PAC:
Ho ba motheo ho loketseng ho ka ntlafatsa phello ea flocculation ea polyaluminium chloride. Ho ba motheo ho tlase haholo ho tla lebisa ho haeteroliking e sa lekaneng ea PAC le ho fokotsa phello ea flocculation.
Motheo o tla boela o ame boholo, bongata le sekhahla sa ho sedimentation ha di-floc tse kopantseng tsa polyaluminium chloride. Motheo o loketseng o ka sebetsana le ntlha ena hantle haholo.
Ka hona, ho bohlokoa haholo ho khetha mohlala o nepahetseng oa PAC ho latela litlhoko tsa hau.
Re ka fana ka mehlala e latelang ea PAC:
| Ntho | PAC-I | PAC-D | PAC-H | PAC-M | PAC-G |
| Ponahalo | Phofo e mosehla | Phofo e mosehla | Phofo e tšoeu | Phofo ea lebese | Phofo e tšoeu ea lebese |
| Dikahare (%, Al2O3) | 29±1 | 30±1 | 30±1 | 30±1 | 30±1 |
| Motheo (%) | 40 – 90 | 40 – 90 | 40 – 90 | 40 – 90 | 40 – 90 |
| Lintho tse sa qhibiliheng metsing (%) | 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 |
Re laola boleng ka thata lifekthering tsa rona tsa balekane ba polyaluminium chloride mme re ka etsa likhothaletso tse nepahetseng tsa mohlala ho latela litlhoko tse fapaneng tsa bareki, re fa bareki PAC ea boleng bo holimo e fihlelang litlhoko tsa bona. Sehlopha sa rona sa thekiso se na le boiphihlelo bo bongata ba ho khetha lihlahisoa 'me se ka fa bareki likeletso tsa litsebi le lisampole tse tšoanelehang haholo bakeng sa bareki ho etsa liteko tsa beaker.
Haeba o batla motho ea tšepahalangMofani oa PACBakeng sa kalafo ea metsi a nooang, kalafo ea metsi a litšila a indasteri kapa lits'ebetso tse ling, re ka fana ka PAC e ikhethileng ho fihlela litlhoko tsa hau. Ikopanye le rona hona joale ho ithuta haholoanyane ka lihlahisoa tsa rona tsa PAC tse sebetsang hantle le ho fumana khotheishene ea tlholisano!
Nako ea poso: Hlakubele-27-2025
