Ukungaqondani okuqhelekileyo xa ukhetha i-PAM

I-Polyacrylamide(PAM), njenge-polymer flocculant esetyenziswa kakhulu, isetyenziswa kakhulu kwiimeko ezahlukeneyo zokucocwa kwamanzi amdaka. Nangona kunjalo, abasebenzisi abaninzi baye bawela kwiingxaki ezithile ngexesha lenkqubo yokukhetha nokusetyenziswa. Eli nqaku lijolise ekutyhileni ezi ngxaki kunye nokunika ukuqonda okuchanekileyo kunye neengcebiso.

Ukungaqondi kakuhle 1: Okukhona ubunzima bemolekyuli bukhulu, kokukhona ukusebenza kakuhle kwe-flocculation kuphezulu.

Xa bekhetha i-polyacrylamide, abantu abaninzi bacinga ukuba imodeli enobunzima obukhulu beemolekyuli kufuneka ibe nokusebenza kakuhle kwe-flocculation. Kodwa eneneni, kukho amakhulu eemodeli ze-polyacrylamide, ezifanelekileyo kwiimeko ezahlukeneyo zomgangatho wamanzi. Uhlobo lwamanzi amdaka aveliswa ziifektri kumashishini ahlukeneyo lwahlukile. Ixabiso le-pH kunye nokungcola okuthile kweempawu zamanzi ezahlukeneyo kwahlukile kakhulu. Zisenokuba ne-acidic, i-alkaline, i-neutral, okanye ziqulathe ioyile, izinto eziphilayo, umbala, i-sediment, njl. Ke ngoko, kunzima ukuba uhlobo olunye lwe-polyacrylamide luhlangabezane nazo zonke iimfuno zonyango lwamanzi amdaka. Indlela echanekileyo kukukhetha imodeli kuqala ngokusebenzisa iimvavanyo, uze emva koko wenze uvavanyo loomatshini ukumisela idosi efanelekileyo ukuze kufezekiswe isiphumo esingabizi kakhulu.

Ukungaqondi kakuhle 2: Okukhona uxinaniso loqwalaselo luphezulu, kokukhona lungcono

Xa belungiselela izisombululo ze-polyacrylamide, abasebenzisi abaninzi bakholelwa ukuba xa uxinzelelo luphezulu, kokukhona iimpawu ze-flocculation zingcono. Nangona kunjalo, olu luvo aluchanekanga. Enyanisweni, uxinzelelo lolwakhiwo lwe-PAM kufuneka lumiselwe ngokweemeko ezithile zelindle kunye ne-slidge. Ngokubanzi, izisombululo ze-PAM ezinoxinzelelo lwe-0.1%-0.3% zifanelekile kwi-flocculation kunye ne-sedimentation, ngelixa uxinzelelo lokukhupha amanzi kwi-slidge kamasipala nakwimizi-mveliso luyi-0.2%-0.5%. Xa kukho ukungcola okuninzi kwi-lindle, uxinzelelo lwe-PAM lunokufuneka lunyuswe ngokufanelekileyo. Ke ngoko, uxinzelelo olufanelekileyo lolwakhiwo kufuneka lumiselwe ngokusebenzisa iimvavanyo ngaphambi kokusetyenziswa ukuqinisekisa isiphumo esingcono sokusetyenziswa.

Ukungaqondi kakuhle 3: Okukhona ixesha elide lokunyibilika nokuxukuxa, kokukhona kungcono

I-Polyacrylamide yisuntswana emhlophe yekristale ekufuneka ichithwe ngokupheleleyo ukuze ifumane isiphumo esingcono. Abasebenzisi abaninzi bacinga ukuba xa ixesha lokunyibilika nokuxukuxa lide, kungcono, kodwa eneneni oku akunjalo. Ukuba ixesha lokuxukuxa lide kakhulu, liya kubangela ukwaphuka okuncinci kwekhonkco le-molecular ye-PAM kwaye lichaphazele ukusebenza kwe-flocculation. Ngokubanzi, ixesha lokunyibilika nokuxukuxa akufanele libe ngaphantsi kwemizuzu engama-30 kwaye kufuneka landiswe ngokufanelekileyo xa ubushushu buphantsi ebusika. Ukuba ixesha lokunyibilika nokuxukuxa lifutshane kakhulu, i-PAM ayizukunyibilika ngokupheleleyo, nto leyo eya kubangela ukuba ingakwazi ukwenza i-flocculation ngokukhawuleza emanzini amdaka. Ke ngoko, abasebenzisi kufuneka baqinisekise ukuba i-dissolving kunye nexesha lokuxukuxa elaneleyo xa beyisebenzisa ukuqinisekisa i-flocculation effect ye-PAM.

Ukungaqondi kakuhle 4: I-Ionicity/Ionic degree kuphela kwesiseko sokukhetha

Njengenye yeempawu ezibalulekileyo ze-polyacrylamide, i-ionicity ibhekisa kwitshaja ye-ionic engalunganga neyi-positive kunye noxinano lwayo lwetshaja. Abantu abaninzi banikela ingqalelo kakhulu kwi-ionicity xa bethenga, becinga ukuba okukhona iphezulu kokukhona ingcono. Kodwa eneneni, inqanaba le-ionicity linxulumene nobukhulu bobunzima be-molecular. Okukhona i-ionicity iphezulu, kokukhona ubunzima be-molecular buncinci, kwaye ixabiso liphezulu. Kwinkqubo yokukhetha, ukongeza kwi-ionicity, ezinye izinto kufuneka ziqwalaselwe, ezifana neemeko ezithile zomgangatho wamanzi, iimfuno ze-flocculation effect, njl. Ke ngoko, imodeli ayinakukhethwa ngokusekelwe kuphela kwinqanaba le-ionization. Uvavanyo olongezelelweyo luyafuneka ukuze kuchongwe imodeli efunekayo.

Njengei-flocculant, i-polyacrylamide idlala indima ebalulekileyo kwishishini lokunyanga amanzi. Xa ufuna ukukhetha iinkcukacha ezikufaneleyo, nceda unxibelelane nam.