Nau'in Antifoamers I

Ana amfani da magungunan antifoamers don rage tashin hankali na ruwa, bayani da dakatarwa, hana samuwar kumfa, ko rage kumfa da aka kafa yayin samar da masana'antu. Common Antifoamers sune kamar haka:

I. Man Halitta (watau man waken soya, man masara, da sauransu)
Abũbuwan amfãni: samuwa, farashi-tasiri da sauƙin amfani.
Rashin hasara: yana da sauƙi don lalacewa kuma ƙara ƙimar acid idan ba a adana shi da kyau ba.

II. Babban Barasa Carbon
High carbon barasa ne mai linzamin kwamfuta kwayoyin tare da karfi hydrophobicity da rauni hydrophilicity, wanda shi ne m antifoamer a cikin ruwa tsarin. Sakamakon antifoaming na barasa yana da alaƙa da solubility da yaduwa a cikin maganin kumfa. Barasa na C7 ~ C9 shine mafi inganci Antifoamers. High carbon Alcohol na C12 ~ C22 an shirya shi tare da emulsifiers masu dacewa tare da girman nau'in 4 ~ 9μm, tare da 20 ~ 50% emulsion na ruwa, wato, defoamer a cikin tsarin ruwa. Wasu esters kuma suna da tasirin antifoaming a cikin fermentation na penicillin, kamar phenylethanol oleate da lauryl phenylacetate.

III. Polyether Antifoamers
1. GP Antifoamers
Anyi ta hanyar ƙari polymerization na propylene oxide, ko cakuda ethylene oxide da propylene oxide, tare da glycerol a matsayin wakili na farawa. Yana da matalauta hydrophilicity da low solubility a cikin kumfa matsakaici, don haka ya dace da za a yi amfani da bakin ciki fermentation ruwa. Tun da ikonsa na antifoaming ya fi na defoaming, ya dace da za a kara a cikin basal matsakaici don hana kumfa tsari na dukan fermentation tsari.

2. GPE Antifoamers
Ana ƙara Ethylene oxide a ƙarshen haɗin haɗin polypropylene glycol na GP Antifoamers don samar da polyoxyethylene oxypropylene glycerol tare da ƙarshen hydrophilic. GPE Antifoamer yana da kyau hydrophilicity, karfi antifoaming ikon, amma kuma yana da babban solubility wanda ke haifar da ɗan gajeren lokacin kiyaye aikin antifoaming. Saboda haka, yana da kyau sakamako a cikin danko fermentation broth.

3. GPEs Antifoamers
An kafa wani toshe copolymer tare da sarƙoƙi na hydrophobic a ƙarshen duka da sarƙoƙi na hydrophilic ta hanyar rufe ƙarshen sarkar GPE Antifoamers tare da stearate hydrophobic. Kwayoyin da ke da wannan tsarin suna taruwa ne a mahaɗar ruwan gas, don haka suna da ƙarfin aiki na sama da kuma babban aikin lalata kumfa.