Enqubweni yokwelashwa kwamanzi amdaka, kudinga ukubhekana nochungechunge lwezinyathelo zokusebenza, futhi ngemuva kokuhlolwa ukuze kuhlangabezane nezindlela zokuphuma, kuyakhishwa. Kulolu chungechunge lwezinqubo, i-flocculant idlala indima ebalulekile. Le khasiI-flecculontantangakwazi ukuguqula udaba olumisiwe lwama-molekyuli amancane emanzini. Ukuxazulula, okwenza kube lula ukuhlunga. Izinhlobo ze-flocculants nazo zicebile kakhulu. Ungayikhetha kanjani i-flocculant evumelana nawe futhi ihambelana futhi ibalulekile. Mayelana nokukhethwa kwama-flocculants, abakhiqizi be-pam ne-PAC baneziphakamiso ezilandelayo:
Ungayikhetha kanjani i-flocculant ukwelashwa kwamanzi amdaka kufanele kukhethwe ngokuya ngezimpawu zamanzi angcolile embonini ethile. Ngasikhathi sinye, futhi kuncike ekutheni i-flocculant ingezwa kuphi nokuthi isetshenziselwa ini. Ngokuvamile, lapho ukhetha i-Inorganic Flocculant, ukwakheka kwamanzi amdaka kufanele kubhekwe, bese ukhetha umuntu ofanele (usawoti wensimbi, usawoti we-alumininum noma usawoti wensimbi, usawoti we-silicon-feric, njll.); I-Inorganic Polymer Flocculants ifaka:polyaluminum chloride (Isinyathelo), I-Polyaluminum Sulfate (Amaphingi), polyaluminum sulfochloride (Ama-PACS) FuthiI-Polyferc Sulfate (Pfs), njll.
Lapho ukhetha i-organic flocculant (efana nale:polycrylamide pam), ikakhulukazi kuncike ekutheni i-anionic polyyacrylamide, i-cationic polylacrylamide noma i-polylacrymide ye-nonionic iyasetshenziswa. I-Anionic PolyAcrylamides isuselwa ezingeni le-hydrolysis. Ukukhethwa kwezindawo kuvame ukusetshenziswa ku-sludge azokwenza. Ukukhethwa kwe-cationic polyyacrylamise kubaluleke kakhulu. Izitshalo zokwethulwa kwendle zasemadolobheni ngokuvamile zisebenzisa i-catics eqinile ye-cationic polyyamide. Ama-wations abuthakathaka ngokuvamile asetshenziselwa ukomona we-sludge ezitshalweni nasekuphrintiwe kanye nokudaya izitshalo, namanzi angcolile amakhemikhali asetshenziswa ngokuvamile. Khetha ama-Imeva aqinile nokunye. Uhlobo ngalunye lwamanzi angcolile lunezimpawu zalo. I-Nonic PolyAcrylamide isetshenziswa ikakhulukazi ngaphansi kwezimo ezibuthakathaka ze-acidic, futhi i-pam engeyona eye-ionic isetshenziswa kakhulu kumafektri wokuphrinta nokudaya.
Abahlinzeki be-agent yokwelashwa kwamanziPhakamisa ukuthi ukukhethwa kwazo zonke lezi zinhlaka ze-flocculant kufanele kunqunywe ngokuya ngovivinyo. Esivivinyweni, nquma inani elilinganisiwe le-dosing, qaphela ijubane le-floccution kanye ne-sedimentation, ukubala izindleko zokwelashwa, bese ukhetha i-ejenti ye-floccation ne-agent esebenzayo.
Isikhathi Seposi: Dece-19-2022