Watsuwar carboxymethyl cellulose ita ce za a narkar da samfurin a cikin ruwa, don haka watsuwar samfurin ta zama hanyar tantance aikinta. Bari mu ƙara koyo game da shi:
1) Ana ƙara wani adadin ruwa a cikin tsarin watsawa da aka samu, wanda zai iya inganta yaduwar ƙwayoyin colloidal a cikin ruwa, kuma ya zama dole a tabbatar da cewa adadin ruwan da aka ƙara ba zai iya narkar da colloid ba.
2) Ya zama dole a watsa ƙwayoyin colloidal a cikin wani abu mai ɗauke da ruwa wanda za a iya narkewa a cikin ruwa, ba ya narkewa a cikin gels masu narkewa cikin ruwa ko ba tare da ruwa ba, amma dole ne ya fi girman ƙwayoyin colloidal girma don a iya wargaza su gaba ɗaya. Waɗannan su ne alcohols na monohydric kamar methanol da ethanol, ethylene glycol, acetone, da sauransu.
3) Ya kamata a ƙara gishiri mai narkewar ruwa a cikin ruwan da ke ɗauke da shi, amma gishirin ba zai iya yin aiki da colloid ba. Babban aikinsa shine hana gel mai narkewar ruwa yin manna ko haɗuwa da ruwan sama lokacin da yake hutawa. Ana amfani da sodium chloride da sauransu.
4) Ya zama dole a ƙara wani abu mai hana ruwa shiga cikin ruwan da ke ɗauke da gel domin hana faruwar ruwan sama. Babban sinadarin hana ruwa shiga zai iya zama glycerin, hydroxypropyl methylcellulose, da sauransu. Maganin hana ruwa shiga ya kamata ya narke a cikin ruwan da ke ɗauke da ruwa kuma ya dace da colloid. Ga carboxymethyl cellulose, idan ana amfani da glycerol a matsayin maganin hana ruwa shiga, yawan da aka saba amfani da shi shine kusan kashi 3-10% na ruwan da ke ɗauke da shi.
5) A lokacin da ake amfani da sinadarin alkali da kuma etherification, ya kamata a ƙara cationic ko nonionic surfactants, sannan a narkar da su a cikin ruwa mai ɗaukar ruwa don su dace da colloids. Surfactants da aka fi amfani da su sune lauryl sulfate, glycerin Monoester, propylene glycol fatty acid ester, yawan maganinsa shine kusan 0.05%-5% na ruwan da ke ɗauke da shi.
Lokacin Saƙo: Nuwamba-04-2022