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Ukuziphatha okuguquguqukayo kwama-surfactants athinta ukungezwani kwendawo.
Ukungezwani okungaphezulu kwama-surfactants kubonisa ukuziphatha okuhlukile kwe-kinetic, okungancikile kuphela ekugxiliseni nasekushiseni, kodwa futhi ohlotsheni noma ingxubevange yama-surfactants. Ukungezwani okungaphezulu kwamanye ama-surfactants kuncipha ngokushesha kakhulu ekuqaleni, bese kuncipha kancane ngokuya kwesikhathi esingaphezulu. Ngokuphambene nalokho, ukwehla kwengcindezi yangaphezulu kwamanye ama-surfactants kuhlala njalo futhi kucishe kufane.
Lesi sibalo sibonisa amajika ahlukene e-surface tension. Ukuziphatha okuguquguqukayo okudingekayo kuma-surfactants kuncike endaweni yohlelo lokusebenza. Ngokwalesi sibalo esingezansi, ama-surfactants C no-D ayizinketho ezingcono kakhulu zezinqubo eziguquguqukayo ngoba anciphisa kakhulu ukungezwani kwendawo kusukela ekuqaleni. Phakamisa ukusebenzisa ama-surfactants A no-B emisebenzini engaguquki.
Umthelela wama-surfactants ekuqineni kwendawo uncike ezingeni lokushisa.
Ukungezwani okungaphezulu koketshezi kanye nomthelela wama-surfactants ekuqineni kwendawo kuncike ezingeni lokushisa. Ngaphezu kwalokho, ngenxa yamandla aphezulu okushisa, amandla okuguquguquka kwama-molecule e-surfactant ayanda. Ngokuvamile, ukungezwani kwendawo kuncipha ngokukhuphuka kwezinga lokushisa. Ngenxa yalokho, izici zoketshezi eziqukethe ama-surfactants zithinteka kakhulu ngokushintsha kwezinga lokushisa. Kuye ngomkhiqizo, izinga lokushisa lingase libe nomthelela omuhle noma omubi kuzici ezifunwayo. Ukuze uvimbele izinguquko ezingezinhle, amanye ama-surfactants noma izixazululo ezihlanjululwe kufanele zengezwe ngokuhlukana.
Noma kunjalo, kubaluleke kakhulu ukuqonda ukuthi ukushuba kwendawo kuthinteka kanjani ukushintsha kwezinga lokushisa.
Ezingeni elithile lokushisa, ama-surfactants angewona ama-ionic emanzini awasancibiliki futhi enza izigaba ngenani elikhulu lama-surfactants. Ngenxa yalawa maconsi, isixazululo siba nemfucumfucu. Isici sama-non-ionic surfactants iphoyinti lokushisa elithile elibizwa ngokuthi iphoyinti lefu noma izinga lokushisa lokushintsha kwesigaba. Ukusondela kokuhlanza kwama-non-ionic surfactants kanye nezinhlelo ze-surfactant kuya endaweni yenqubo yefu, kulapho inhlanzeko ingathuthukiswa khona. Izithasiselo ezifanele zingasetshenziswa ukulungisa indawo yefu ngokuvumelana nezinga lokushisa elifunekayo.
Imitha ye-tension ingahlaziya kalula ukuncika okunjalo kwezinga lokushisa ocwaningweni nasekuthuthukisweni, kanye nokuthuthukisa umkhiqizo noma inqubo.
Ngokulungisa isikhathi sokuphila esingaphezulu, ngokunembe kakhudlwana, isikhathi sokuphila sebhamuza, sibe nenani elinqunyiwe, ukungezwani kwendawo kungalinganiswa unomphela ngokushintsha kwezinga lokushisa. Ngakho-ke, umthelela wokuguga okungaphezulu (i-interface yomoya owuketshezi) ekucindezelekeni kwendawo kungase kunganakwa. Lokhu kunika amandla ukulinganisa okuqhubekayo komthelela wezinga lokushisa ezisombululweni ze-surfactant ezinamapharamitha angashintshi.
Isiqukathi sengilazi esinezendlalelo ezimbili esinoketshezi olushisayo singakala ngokuzenzakalelayo uguquko ekucindezelekeni kwendawo okuhlobene nezinga lokushisa. Ngakho-ke, imiphumela yokuhlolwa ihlinzeka ngolwazi olubalulekile locwaningo nokuthuthukiswa ukuze kuqinisekiswe ukusetshenziswa okufanele komkhiqizo emkhakheni wohlelo lokusebenza ohambisanayo.
Isikhathi sokuthumela: Oct-11-2024