Khadku waa dareere ama dhejis ka kooban midab ama midabyo waxaana loo isticmaalaa in lagu midabeeyo dusha si loo soo saaro sawir, qoraal, ama naqshad.Khadku wuxuu noqon karaa mid dhexdhexaad ah oo isku dhafan, oo ka kooban dareerayaasha, midabada, midabada, resins, lubricants, solubilizers, surfactants, arrimo gaar ah, fluorescents partiulat, iyo walxo kale.Qaybaha khadku waxay u adeegaan ujeedooyin badan;sidaha khadku, midabeeyayaasha, iyo waxyaalaha kale ee lagu daro waxay saameeyaan qulqulka iyo dhumucda qalinka iyo muuqaalkiisa marka uu engegan yahay.
Waxaa jira noocyo badan oo khad ah kuwaas oo leh sifooyin kala duwan oo loogu talagalay sidayaasha kala duwan ee khad Inta badan ay ku jiraan khad daabacaadda nooca resinka , qalin dareeraha ah , khad biyaha ku salaysan , iyo khad UV .
Ujeedada shaandhaynta:
1. Ka saar walxaha colloidal iyo wasakhda khad ku jirta.
2.Ka saar qaybaha waaweyn oo ilaali midabada si aad u hubiso tayada qalinka.
Shuruudda shaandhaynta:
1.Low kala diri ma jiro dielectric khasaaro
2.Si wax ku ool ah uga saar qaybaha oo u ilaali midabada.
Heerka socodka 3.High socodka, qaab-dhismeedka xasilloon, awood shaandhayn xoog leh oo la kulma wax soo saarka khad.
4.Awoodda sii-haynta xooggan, nolosha adeegga dheer, ma jiraan qaybo ka mid ah qaybta hoose marka kor loo qaado heerka socodka iyo cadaadiska.
Talada shaandhaynta:
| MAYA. | tillaabooyinka shaandhaynta | talo shaandhaynta |
| 1 | sifaynta ka hor | FB/bacda shaandhaynta |
| 2 | filter sax ah | DPP/IPP/RPP |
| 3 | filter sax ah | PN/PNN/IHPF(kaabsal filter) |
Habka jaantuska:
