Kala firdhinta carboxymethyl cellulose waa in badeecadu ay ku milmi doonto biyaha, sidaa darteed kala firdhinta badeecaddu waxay sidoo kale noqotay hab lagu qiimeeyo waxqabadkeeda. Aan wax badan ka baranno:
1) Xaddi biyo ah ayaa lagu daraa nidaamka kala firdhinta ee la helay, kaas oo hagaajin kara kala firdhinta walxaha colloidal ee biyaha ku jira, waana lagama maarmaan in la hubiyo in xaddiga biyaha lagu daray uusan milmi karin colloid-ka.
2) Waxaa lagama maarmaan ah in lagu kala firdhiyo walxaha colloidal-ka ah ee ku jira dareere side ah oo lagu milmi karo biyaha, aan lagu milmi karin jellada biyaha ku milma ama aan lahayn biyo, laakiin waa inay ka weyn tahay mugga walxaha colloidal-ka ah si ay si buuxda u kala firdhiyaan. Waa alkohol monohydric ah sida methanol iyo ethanol, ethylene glycol, acetone, iwm.
3) Cusbo biyo ku milmi karta waa in lagu daraa dareeraha side-ka, laakiin milixdu ma la falgeli karto colloid-ka. Shaqadiisa ugu weyn waa inay ka hortagto jelka biyaha ku milmi kara inuu sameeyo koollo ama isku-urur iyo roob marka uu nasto. Waxaa badanaa loo isticmaalaa sodium chloride iwm.
4) Waa lagama maarmaan in lagu daro walax joojin ah dareeraha si looga hortago dhacdada roobka jelka. Walaxda ugu weyn ee joojinta waxay noqon kartaa glycerin, hydroxypropyl methylcellulose, iwm. Walaxda joojinta waa inay ku milmaan walaxda dareeraha ah oo ay la jaanqaadaan colloid. Celose-ka carboxymethyl, haddii glycerol loo isticmaalo walaxda joojinta, qiyaasta caadiga ah waa qiyaastii 3%-10% dareeraha side.
5) Inta lagu jiro habka alkalization-ka iyo etherification-ka, waa in lagu daraa cationic ama nonionic surfactants, waana in lagu milmaa dareeraha si uu ula jaanqaado colloids-ka. Surfactants-ka caadiga ah ee la isticmaalo waa lauryl sulfate, glycerin Monoester, propylene glycol fatty acid ester, qiyaastiisu waa qiyaastii 0.05%-5% dareeraha side.
Waqtiga boostada: Noofambar-04-2022