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amakhemikhali okwelapha amanzi

Ukusebenzisa i-PDADMAC ekususeni ukungcoliswa komoya kanye nokunciphisa umbala ekunakekelweni kwamanzi kanye namanzi angcolile

Ukungcoliswa kwamanzi nombala kuyizinkomba ezibalulekile zekhwalithi yamanzi, ikakhulukazi ekusetshenzisweni kwezimboni nakomasipala. Ukungcoliswa okuphezulu, okubangelwa izinto eziqinile ezilengayo njengobumba, udaka, nezinto eziphilayo, kunciphisa ukusebenza kahle kokubulala amagciwane, kukhuthaza ukukhula kwamagciwane, futhi kuphazamisa izinqubo zokwelashwa kwamanzi. Ngokufanayo, amanzi anombala (avame ukubangelwa amakhemikhali e-organic ancibilikisiwe, udayi, noma amanzi angcolile ezimboni) awathinti nje kuphela ubuhle kodwa futhi angabonisa ukuba khona kwezinto ezingcolisayo ezingaba yingozi.

Izimboni ezifana nezindwangu, iphepha kanye ne-pulp, izimayini, kanye nokucubungula ukudla zikhiqiza amanzi angcolile anokungcola okukhulu nombala. Ukwelashwa kahle kwala manzi angcolile kubalulekile hhayi nje kuphela ekuhlangabezaneni nezidingo zomthetho kodwa futhi nasekuzinzeni kwemvelo kanye nokusetshenziswa kabusha kwezinsiza. I-Polydiallyldimethylammonium chloride (PDADMAC) iyi-polymer ye-cationic esetshenziswa kabanzi ekucaciseni amanzi futhi ingenye yezindlela zamakhemikhali eziphumelela kakhulu zokususa ukungcola nombala.

Kuyini i-PDADMAC?

I-Polydiallyldimethylammonium chloride (PDADMAC) iyi-polymer ye-cationic encibilikayo emanzini eyaziwa ngezakhiwo zayo ezinhle kakhulu zokugoba, ukuqina, kanye nokucacisa. Ngokwekhemikhali, i-PDADMAC iyi-polymer enesisindo sama-molecule amaningi ene-charge density ephezulu, okwenza ikwazi ukusebenzisana kakhulu nezinhlayiya ezishajeke kabi emanzini.

 

Izici ezibalulekile ze-PDADMAC zifaka:

  • Ubuningi obukhulu be-cationic charge: Iqeda ngempumelelo izinto eziqinile ezimisiwe ezishajelwe kabi kanye nama-colloid.
  • Ukuncibilika kwamanzi: Kungasetshenziswa ekuhlanzweni kwamanzi amdaka kamasipala nasezimbonini ngaphandle kokwenza izinsalela ezingancibiliki.
  • Ukuzinza kokushisa kanye namakhemikhali: Kusebenza kahle ebangeni elibanzi le-pH nangaphansi kwezimo ezahlukahlukene zamakhemikhali amanzi.

I-PDADMAC itholakala ngezindlela ezahlukene, kufaka phakathi uketshezi (i-emulsion noma isixazululo) kanye nempuphu eyomile, inikeza umthamo oguquguqukayo kanye nokugcinwa okulula. Ukuguquguquka kwayo kuyenza ifaneleke ezinhlotsheni eziningi zokwelashwa kwamanzi, ikakhulukazi ekususweni kokungcola kanye nokunciphisa umbala.

Indlela i-PDADMAC Esusa Ngayo Ukungcola

Indlela eyinhloko i-PDADMAC esusa ngayo ukungcoliswa kweshaja. Izinhlayiya eziningi ezilenga emanzini, njengobumba, udaka, noma ama-colloid e-organic, zithwala ishaja engemihle ebusweni. Lawa mashaja adala amandla okuxosha phakathi kwezinhlayiya, azigcine zihlakazekile futhi zivimbele ukuchitheka kwenhlabathi.

 

Uma i-PDADMAC ingezwa:

  • Amaketanga e-polymer ashajwe kahle anamathela ezinhlayiyeni ezishajwe kabi.
  • Lokhu kunciphisa ukushaja komhlaba, kunciphisa ukuxoshwa kwe-electrostatic.
  • Izinhlayiya zihlangana phakathi kokuhlanganisa ukuze zakhe ama-floc amakhulu, okulula ukuwahlanza noma ukuwahlunga.

 

Le nqubo inciphisa ngempumelelo ukungcoliswa kwamanzi, okuholela emanzini acacile afanelekela izinqubo ezingezansi njengokuhlunga, ukubulala amagciwane, noma ukusetshenziswa kabusha. Ukusebenza kahle kwe-PDADMAC kuncike kumapharamitha afana nesisindo sama-molecule, ubuningi beshaja, umthamo, kanye nezici zekhwalithi yamanzi, ngakho-ke ukukala okunembile kubalulekile ekusebenzeni kahle.

I-PDADMAC ifinyelela kanjani ekususweni kombala?

Umbala wamanzi uvame ukuvela ezintweni eziphilayo ezincibilikisiwe (i-DOM), amadayi, kanye namanzi angcolile ezimboni. Ukukhukhuleka kubangelwa izinhlayiya ezilengayo, kuyilapho umbala uyisici sezinto ezincibilikisiwe kanye ne-colloidal.

I-PDADMAC inciphisa umbala ngezindlela ezilandelayo:

  • Ukumuncwa: Ama-molecule e-PDADMAC ashajwe kahle adonsela ama-molecule anombala ashajwe kabi, akha ama-floc angasuswa ngokuthungwa noma ngokuhlunga.
  • Ukuhlanganisa Nokuhlanganisa: Amaketanga e-polymer angaxhumanisa ama-molecule amaningi anemibala, athuthukise ukusebenza kahle kwawo kokususa.
  • Umphumela wokubambisana namanye ama-coagulant: I-PDADMAC ingasetshenziswa ngokuhlanganiswa ne-alum, i-ferric chloride, noma i-polyaluminum chloride (PAC) ukuthuthukisa ukusebenza kahle kokususa umbala, ikakhulukazi emanzini amdaka ezimboni ane-chroma ephezulu.

Umsebenzi we-PDADMAC okabili—ukususa kokubili ukungcola nombala—wenza kube ukukhetha okuthandwayo kwezimboni ezidinga ukucaca okuphezulu kanye nekhwalithi yamanzi ekhangayo ngobuhle.

Ukuqhathaniswa kwe-PolyDADMAC namanye ama-Coagulants nama-Flocculants

I-PDADMAC ivame ukuqhathaniswa nama-coagulant endabuko njenge-alum (aluminium sulfate), i-ferric chloride, i-polyaluminum chloride (PAC), kanye nama-polymer angewona ama-ionic noma ama-anionic njenge-polyacrylamide (PAM). Ukuqonda lo mehluko kusiza ochwepheshe bokwelapha amanzi ukuthi bakhethe ikhambi eliphumelela kakhulu lokungcoliswa komswakama kanye nokususwa kombala.

I-PDADMAC ivame ukuqhathaniswa nama-coagulant endabuko njenge-alum (aluminium sulfate), i-ferric chloride, i-polyaluminum chloride (PAC), kanye nama-polymer angewona ama-ionic noma ama-anionic njenge-polyacrylamide (PAM). Ukuqonda lo mehluko kusiza ochwepheshe bokwelapha amanzi ukuthi bakhethe ikhambi eliphumelela kakhulu lokungcoliswa komswakama kanye nokususwa kombala.

Usawoti we-Alum kanye ne-Iron:Lezi yizinhlayiya ezingaphili ezisetshenziswa kabanzi ekuqedeni ukuzinza kwezinhlayiya. Nakuba zisebenza kahle ekususeni ukungcoliswa, ngokuvamile zidinga imithamo ephezulu, zikhiqize inani elikhulu lodaka, futhi zingase zingasebenzi kahle ekususeni umbala.

I-Polyaluminum Chloride(I-PAC):Uma kuqhathaniswa ne-alum, i-PAC inikeza ukugoba okusheshayo, izidingo eziphansi zomthamo, kanye nokusebenza okungcono. Kodwa-ke, umphumela wayo wokushintsha umbala uvame ukulinganiselwa, futhi inebanga elincane kakhulu le-pH lokusebenza okuhle kakhulu.

I-PAM (I-Polyacrylamide):Ama-polymer e-anionic noma angewona ama-ionic e-PAM asetshenziswa kakhulu njenge-flocculant yezinto eziqinile ezilengayo kodwa awasebenzi kahle ekususeni amakhemikhali abangela umbala ancibilikisiwe.

I-Poly (diallyldimethylammonium chloride)(I-PDADMAC):Ngokungafani nezinto ezingenhla, i-PDADMAC ihlanganisa ukuminyana okukhulu kwe-cationic charge nemiphumela enamandla yokubopha, okuholela ekusebenzeni kahle kakhulu kokubili ekususweni kokungcola kanye nokunciphisa umbala. Ngaphezu kwalokho, ikhiqiza udaka oluncane futhi isebenza kahle ebangeni le-pH elibanzi, ihlinzeka ngokuguquguquka kokusebenza kanye nokonga izindleko.

 

Ngokuhlanganisa i-PDADMAC ezinqubweni zabo zokwelashwa, izimboni ezahlukene zingafinyelela amanzi acacile ngenkathi zinciphisa ukusetshenziswa kwamakhemikhali kanye nezindleko zokulahla udoti.

Izicelo Ezijwayelekile ze-PolyDADMAC

I-PolyDADMAC ekunakekelweni kwamanzi angcolile kamasipala

Ezitshalweni zokuhlanza amanzi amdaka zikamasipala, i-PDADMAC isetshenziswa kabanzi ukuthuthukisa ukucaca kwamanzi nokuthuthukisa ukubulala amagciwane okusezansi komfula. Ifaneleka kakhulu ku:

  • Ukususa izinhlayiya ze-colloidal kusuka endle eluhlaza.
  • Ukunciphisa umbala obangelwa ama-asidi e-humic kanye ne-fulvic emithonjeni yamanzi angaphezulu.
  • Ukuthuthukisa ukusebenza kahle kokususa amanzi odakeni ezitshalweni zokuhlanza amanzi amdaka.

I-PolyDADMAC ekunakekelweni kwamanzi angcolile ezimbonini

Izimboni ezikhiqiza amanzi angcolile anokungcola okuningi nombala zivame ukuthembela ku-PDADMAC njengekhemikhali yokwelapha eyinhloko noma yesibili:

  • Ukudaya nokunyathelisa izindwangu:Isusa ngempumelelo amadayi asabelayo kanye nezinto eziqinile ezilengayo, iqinisekisa ukuhambisana nemithetho yokukhipha.
  • I-Pulp nephepha:Kunciphisa ukudungeka okubangelwa imicu emincane nombala okubangelwa ama-lignin compounds.
  • Ukudla neziphuzo:Kucacisa inqubo yamanzi, kunciphisa umbala, futhi kuthuthukisa amandla okusebenzisa kabusha amanzi.
  • Ukumbiwa kanye nokucubungula insimbi:Isusa izinhlayiya ezincane, izinsimbi ezisindayo, nombala osele emanzini angcolile.
  • Ukulahla udoti:Kuthuthukisa ukususwa okuqinile futhi kunciphisa izinguquko zombala ezibangelwa ukungcola kwezinto eziphilayo.

Ngokusebenzisa i-PDADMAC, izimboni ezahlukene zingahlangabezana nezindinganiso eziqinile zemvelo ngenkathi zithola amanzi ukuze asetshenziswe kabusha noma akhishwe ngokuphephile.

Isilinganiso se-PDADMAC kanye Nezindlela Zokusebenzisa

Ukusebenza kahle kwe-PDADMAC kuncike kumthamo ofanele kanye nendlela yokusebenzisa. Izinto ezibalulekile okufanele uzicabangele zifaka:

  • Isilinganiso:Izilinganiso ezijwayelekile zokwelashwa kwamanzi amdaka kamasipala ziyi-1–10 mg/L, kanti ezokwelashwa kwamanzi amdaka ezimbonini ziyi-5–50 mg/L. Isilinganiso esithile sincike ekungcoleni, umbala, kanye nekhemikhali yamanzi. Kunconywa ukuhlolwa kwesilinganiso sebhentshi ukuze kunqunywe isilinganiso esifanele.
  • Isicelo:I-PDADMAC ingangezwa ku-influent njengesixazululo esixutshwe kusengaphambili noma ngqo ethangini lokucwilisa.
  • Ukuxuba:Ukuxuba okuthambile nokusheshayo kufanele kwenziwe kuqala ukuqinisekisa ukusatshalaliswa ngokulinganayo, kulandelwe ukuxuba kancane ukukhuthaza ukwakheka kwe-floc.
  • Isikhathi Sokuxhumana:Ama-floc ngokuvamile akheka zingakapheli imizuzu eyi-10-20, kuye ngezici zamanzi kanye nezakhiwo ze-polymer.

Ukuthuthukisa lezi zinhlaka kubalulekile ekukhuliseni ukungcoliswa kombala kanye nokususwa kombala ngenkathi kunciphisa ukusetshenziswa kwamakhemikhali.

Izici Ezithinta Ukusebenza Kwe-PolyDADMAC

Izici eziningana zingathonya ukusebenza kwe-PDADMAC ekuphathweni kwamanzi:

  • I-pH yamanzi:I-PDADMAC isebenza kahle kakhulu kune-pH ebanzi (4–10), kodwa izimo ze-acidic noma ze-alkaline kakhulu zinganciphisa ukusebenza kwayo.
  • Izinga lokushisa:Amazinga okushisa aphezulu angasheshisa ukwakheka kwe-floc, kuyilapho amanzi abandayo kakhulu angadinga izikhathi ezinde zokuxuba.
  • Ukugxila Kwezinto Eziqinile Ezimisiwe:Amazinga aphezulu okudungeka angadinga izilinganiso eziphezulu ze-polymer.
  • Okuqukethwe kwezinto eziphilayo kanye nombala:Amanzi acebile ngezinto ezi-humic noma amadayi angadinga ukwelashwa kwangaphambili noma ukuhlanganiswa nama-coagulant angaphili.
  • Ukuxuba Amandla:Ukuxuba ngokweqile noma okunganele kungaphazamisa ama-floc akhiwe, kunciphisa ukusebenza kahle kokususa ukungcola.

Ngokuqapha lezi zinhlaka nokulungisa umthamo ngokufanele, abaqhubi bezokwelapha ngamanzi bangafinyelela imiphumela yokwelapha eqhubekayo.

Izici Ezithinta Ukusebenza Kwe-PolyDADMAC

Izinzuzo Zokusebenzisa i-PDADMAC

I-PDADMAC inikeza izinzuzo eziningana uma kuqhathaniswa nama-coagulant endabuko nama-flocculant, okwenza kube ukukhetha okuthandwayo kokwelashwa kwamanzi namanzi angcolile:

  • Ukusebenza Kahle Okuphezulu: I-PDADMAC isusa ngokushesha ukudumba futhi inciphise umbala ngisho nangemithamo ephansi, okuholela ekongeni izindleko.
  • Isebenziseka Kakhulu:Isebenza kahle kuzo zonke izinhlobo ezahlukene ze-pH, ifanele ukusetshenziswa komasipala kanye nezimboni.
  • Umthamo Wodaka Oncishisiwe:Ikhiqiza udaka oluncane uma kuqhathaniswa nama-coagulant angaphili, yehlisa izindleko zokulahla kanye nomthelela emvelweni.
  • Ukususwa Kodaka Okuthuthukisiwe:Kuthuthukisa ukucindezelwa kodaka, kwenza kube lula ukwelapha nokomisa izinqubo.
  • Ukuhambisana:Ingasetshenziswa kanye nezinye izinto ezihlanganisa amanzi amdaka (njenge-PAC noma i-alum) ukuze kuthuthukiswe izinhlelo zokwelashwa kwamanzi amdaka eziyinkimbinkimbi.
  • Ukusetshenziswa Kabusha Kwamanzi:Ngokuthuthukisa ukucaca nokunciphisa umbala, amanzi aphathwe nge-PDADMAC angavame ukusetshenziswa kabusha ezinqubweni zezimboni noma akhishwe ngokuphephile, okusekela imigomo yokusimama.

Isitoreji Nokuphepha kwe-PolyDADMAC

Nakuba i-PDADMAC ngokuvamile iphephile ukuyiphatha, ukulandela iziqondiso ezifanele kuqinisekisa ukuzinza kwayo kwesikhathi eside kanye nokuphepha kokusebenza:

Isitoreji:Gcina i-PDADMAC endaweni epholile, eyomile, kude nokukhanya kwelanga okuqondile kanye namazinga okushisa abandayo. Ama-formulations oketshezi kufanele agcinwe ezitsheni ezingagqwali.

Isikhathi Sokuphila Seshelufu:Isikhathi sokuphila se-PDADMAC ewuketshezi ngokuvamile siyizinyanga eziyi-12-24; i-PDADMAC eyimpuphu inokuphila isikhathi eside uma igcinwa yomile.

Ukuphatha:Gqoka amagilavu ​​​​kanye nesivikelo samehlo uma uphatha izixazululo eziqinile ukuvimbela ukucasuka kwesikhumba noma kwamehlo.

Ukulahlwa:Lahla i-polymer engasetshenziswanga kanye nodaka olukhiqizwe ngesikhathi sokucubungula ngokwemithetho yendawo yezemvelo.

Izindlela zokuphatha nokugcina ezifanele zigcina ukusebenza kahle kwe-polymer futhi ziqinisekisa ukusetshenziswa okuphephile kwabasebenzi.

Indlela Yokukhetha Umhlinzeki Othembekile we-PDADMAC

Ezimbonini ezithembele ku-polydiallyldimethylammonium chloride (PDADMAC) ukuze zisuse ukungcola kanye nombala, ukukhetha umhlinzeki othembekile kubalulekile. Izici ezibalulekile okufanele uzicabangele zifaka:

Ulwazi Lokukhiqiza:Abahlinzeki abanolwazi lwamashumi eminyaka banganikeza ukwesekwa kwekhwalithi nobuchwepheshe okuqhubekayo.

Imikhiqizo Engenziwa Ngezifiso:Inikeza izisindo zama-molecule ezahlukene, ubuningi bamashaja, kanye nokupakishwa ukuze kuhambisane nezinhlelo zokusebenza ezithile.

Ukusekela kwezobuchwepheshe:Usizo ngokuthuthukisa umthamo, ukuhlolwa kwebhodlela, kanye nesiqondiso sokusetshenziswa.

Ukuzinza Kokuphakelwa:Ukuqinisekisa ukutholakala okuqhubekayo ukuze kugwenywe ukuphazamiseka kwenqubo.

Izitifiketi kanye Nokuthobela Imithetho:Izimvume ze-ISO, i-REACH, noma zomthetho wendawo ziqinisekisa ikhwalithi yomkhiqizo kanye nezindinganiso zokuphepha.

Ukubambisana nomuntu othembekileUmhlinzeki we-PolyDADMAC kuqinisekisa ukusebenza kahle, ukusebenza kahle kwezindleko, kanye nokuhambisana nemithetho.

I-PDADMAC iyi-polymer ye-cationic esebenza kahle kakhulu edlala indima ebalulekile ekususeni ukungcoliswa kwamanzi nokunciphisa umbala ezindleleni ezahlukene zokwelashwa kwamanzi namanzi angcolile. Ukusebenza kwayo kahle, ukuguquguquka kwayo, kanye nokuhambisana kwayo nezinye izinto ezihlanganisa amanzi kwenza kube ukukhetha okuhle kokwelashwa kwamanzi kamasipala nasezimbonini. Ezimbonini ezifuna amanzi acacile, angenambala kanye nokuphathwa kodaka okwenziwe ngcono, i-PDADMAC inikeza izinzuzo zokusebenza kanye nezomnotho. Ukukhetha umhlinzeki othembekile onolwazi lobuchwepheshe kuqinisekisa ukusebenza okuqhubekayo, ukuthobela imithetho, kanye nokusimama kwesikhathi eside.

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    • Isikhathi sokuthunyelwe: Feb-03-2026

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