PolyDADMAC, nke aha ya zuru oke bụ polydimethyldiallylammonium chloride, bụ polima mmiri na-agbaze cationic nke a na-ejikarị eme ihe n'ihe gbasara ọgwụgwọ mmiri. N'ihi njupụta chajị cationic pụrụ iche ya na oke mmiri na-agbaze, PolyDADMAC bụ coagulant dị irè nke nwere ike iwepụ turbidity, agba na ihe ndị ọzọ na-adịghị mma na mmiri nke ọma. Agbanyeghị, n'ọrụ bara uru, a na-ejikarị ya eme ihe dị kaihe na-agbagharị agbagharịyana ihe ndị ọzọ na-egbochi nsị ụlọ ọrụ mmepụta ihe iji gwọọ nsị.
Njirimara na usoro nke ọrụ nke PolyDADMAC
PolyDADMAC na-amịkọrọ ma na-agbakọta ngwa ngwa na-eme ka mkpụrụ colloidal na ihe siri ike ndị a na-agbakọghị n'ime mmiri n'ihi oke njupụta chajịọn ya. Usoro ọrụ ya dabere na mmasị electrostatic, nke na-eme ka obere mkpụrụ ndị a na-agbakọta ghọọ nnukwu mkpụrụ, ka e wee nwee ike iwepụ ha nke ọma n'oge mmiri ozuzo ma ọ bụ usoro nzacha na-esote.
Usoro nhazi nke PolyDADMAC
Njupụta ọbara bụ otu n'ime usoro nke usoro mkpụkọ ọbara. Ọ na-ezo aka n'usoro nke mkpụkọ ọbara na-eme.
"Osisi alum pere mpe" nke a na-etolite n'oge usoro mkpụkọ ọbara na-etolite flocs nwere obere ihe ndị buru ibu site na mmịpụta, nkwụsịtụ eletriki, njikọta na njide net.
N'ụlọ ọrụ nhazi mmiri, a na-ekewa adsorption na neutralization eletriki dị ka coagulation, ebe a na-ekewa bridging na net-capture dị ka flocculation. A na-akpọ kemịkalụ ndị kwekọrọ na ha coagulants na flocculants n'otu n'otu.
A na-ekwenyekarị na PolyDADMAC nwere usoro ọrụ atọ: adsorption, neutralization eletriki na bridging. Abụọ mbụ bụ ndị bụ isi. Ọ bụ ya mere e ji kewaa PolyDADMAC dị ka coagulants. Agbanyeghị, ọtụtụ mmadụ na-ewere coagulation na flocculation dị ka otu usoro, ya mere a na-akpọkwa PolyDADMAC flocculant.
N'usoro ọgwụgwọ mmiri, a na-ejikarị PolyDADMAC eme ihe dị ka ihe na-eme ka mmiri dị mma. Karịsịa, otu nnu ammonium cationic quaternary nke PolyDADMAC nwere ike ịmepụta ihe na-adọta electrostatic site na ihe ndị a na-anaghị ejikọta na anionic ma ọ bụ ihe ndị a na-anaghị ejikọta na colloidal n'ime mmiri, na-ebute nkwụsịtụ, na-emepụta ihe ndị buru ibu ma na-edozi ha. A na-ekpuchi ihe ndị a n'oge usoro sedimentation ma ọ bụ nzacha na-esote iji mee ka mmiri dị ọcha.
Uru nke PolyDADMAC
Ma e jiri ya tụnyere flocculants ọdịnala (alum, PAC, wdg), PolyDADMAC nwere uru ndị a dị mkpa:
Ọ dị irè: PolyDADMAC nwere ike iwepụ ihe ndị na-adịghị mma n'ime mmiri ngwa ngwa ma melite mma mmiri.
Mfe iji rụọ ọrụ: Ojiji ya dị mfe, naanị tinye ya n'ọnọdụ kwesịrị ekwesị.
Nkwado: PolyDADMAC nwere ezigbo nkwụsi ike ma ọ naghị agbaze ngwa ngwa dịka polyacrylamide.
Mmetụta siri ike nke flocculation: Otu nnu ammonium cationic quaternary na-enye PDMDAAC ikike flocculation siri ike, si otú a na-agwọ ọtụtụ àgwà mmiri nke ọma;
Nnu dị mma, iguzogide acid na alkali: PDMDAAC dabara adaba maka ọnọdụ mmiri dị mgbagwoju anya, ọ ka nwere arụmọrụ flocculation kwụsiri ike n'okpuru nnukwu nnu, acidic ma ọ bụ alkaline;
Ọnụ ego dị ala: PolyDADMAC nwere arụmọrụ dị elu nke na-ebelata oke mmiri na obere dose, nke nwere ike ibelata ọnụ ahịa ọgwụgwọ mmiri.
Sludge dị ala: PolyDADMAC na-emepụta obere sludge karịa coagulants na flocculants inorganic ma na-echekwa ego mgbe nhazi gasịrị.
Usoro na ihe mgbochi PolyDADMAC
Mgbe a na-eji PolyDADMAC, a ga-agbaso usoro ọrụ ahụ nke ọma iji hụ na ọgwụgwọ kacha mma ma zere mmetụta ọjọọ ndị nwere ike ime. Ọtụtụ mgbe, mgbe etinyere flocculants dị ka polyaluminium chloride, a na-agbakwunye PolyDADMAC iji nweta mmetụta coagulation kacha mma. Na mgbakwunye, a ga-agbanwe dose ahụ nke ọma dịka mma mmiri na ihe achọrọ maka ọgwụgwọ si dị. Enwere ike ịchọpụta dose kwesịrị ekwesị site na nnwale ite.
Na mkpokọta,PolyDADMACna-arụ ọrụ dị mkpa n'ihe gbasara ọgwụgwọ mmiri. Ịghọta ihe ndị dị na ya na ojiji ya nke ọma ga-enyere aka iji ngwaahịa a mee ihe nke ọma iji melite mma mmiri ma chebe gburugburu ebe obibi.
Oge ozi: Nọvemba-14-2024