Mishonga inodzivisa kuumbwa kwefuro inoshandiswa kuderedza kushushikana kwemvura, mvura inonyungudika uye inomiswa, kudzivirira kuumbwa kwefuro, kana kuderedza furo rinoumbwa panguva yekugadzirwa kwemaindasitiri. Mishonga inowanzoshandiswa inodzivisa kuumbwa kwefuro ndeiyi:

I. Mafuta echisikigo (semuenzaniso Mafuta eSoya, Mafuta eChibage, nezvimwewo)

Zvakanakira: zviripo, zvinodhura zvishoma uye zviri nyore kushandisa;

Zvakashata: zviri nyore kuora uye kuwedzera acid kana zvisina kuchengetwa zvakanaka.

II.Doro Rakawanda reCarbon

Alcohol ine kabhoni yakawanda imorekuru yakatsetseka ine hydrophobicity yakasimba uye hydrophilicity isina simba, inova antifoamer inoshanda mumvura. Mhedzisiro yealcohol inoenderana nekunyunguduka kwayo uye kupararira kwayo mumushonga une furo. Alcohol yeC7 ~ C9 ndiyo Antifoamers inoshanda zvikuru. Alcohol ine kabhoni yakawanda yeC12 ~ C22 inogadzirwa nema emulsifiers akakodzera ane saizi yezvikamu zve 4 ~ 9μm, ine 20~50% yemvura emulsion, kureva kuti, defoamer mumvura. Mamwe ma esters anewo mhedzisiro ye antifoaming mukuvirisa penicillin, senge phenylethanol oleate uye lauryl phenylacetate.

III.Zvidziviriro zvePolyether

1. Mishonga yekudzivirira furo yeGP

Yakagadzirwa nekuwedzera polymerization yepropylene oxide, kana musanganiswa we ethylene oxide ne propylene oxide, ine glycerol senzira yekutanga. Haina hydrophilicity yakakwana uye haina kunyunguduka zvakanyanya mu foam medium, saka yakakodzera kushandiswa mu thin fermentation liquid. Sezvo kugona kwayo kudzivirira furo kuri nani pane kwe defoaming, yakakodzera kuwedzerwa mu basal medium kudzivirira furo process yese yekuvirisa.

2. Zvidziviriro zveGPE zvekudzivirira furo

Ethylene oxide inowedzerwa pamucheto we polypropylene glycol chain link yeGP Antifoamers kuti igadzire polyoxyethylene oxypropylene glycerol ine hydrophilic end. GPE Antifoamer ine hydrophilicity yakanaka, ine simba rakasimba rekudzivirira furo, asi inewo kunyunguduka kukuru izvo zvinoita kuti basa rekudzivirira furo rive pfupi. Nokudaro, ine mhedzisiro yakanaka mu viscous fermentation broth.

3. Mishonga yeGPE yekudzivirira furo

Copolymer yeblock ine cheni dzinonyungudutsa mvura kumativi ese uye cheni dzinonyungudutsa mvura inoumbwa nekuvhara magumo echeni yeGPE Antifoamers ne hydrophobic stearate. Mamorekuru ane chimiro ichi anowanzo ungana panzvimbo ine gas-liquid, saka ane basa rakasimba pamusoro uye anoshanda zvakanaka pakusvibisa mvura.

IV.Silicone Yakagadziridzwa nePolyether

Polyether Modified Silicone Antifoamers imhando itsva ye defoamers inoshanda zvakanyanya. Inodhura zvishoma ine mabhenefiti ekupararira zvakanaka, kugona kwakasimba kwekudzivirira furo, kugadzikana, isina chepfu uye isingakuvadzi, kushomeka kwakaderera uye kugona kwakasimba kwe Antifoamers. Zvichienderana nenzira dzakasiyana dzekubatanidza mukati, inogona kukamurwa muzvikamu zviviri zvinotevera:

1. Copolymer ine -Si-OC- bond yakagadzirwa neasidhi se catalyst. Iyi defoamer iri nyore ku hydrolysis uye haina kugadzikana kwakasimba. Kana paine amine buffer, inogona kuchengetedzwa kwenguva yakareba. Asi nekuda kwemutengo wayo wakaderera, mukana wekugadzira uri pachena.

2. Copolymer yakabatana ne – si-c-bond ine chimiro chakasimba uye inogona kuchengetwa kwemakore anopfuura maviri mumamiriro ezvinhu akavharwa. Zvisinei, nekuda kwekushandiswa kweplatinum inodhura sechinokonzeresa mukugadzirwa, mutengo wekugadzira rudzi urwu rwe antifoamers wakakwira, saka hauna kushandiswa zvakanyanya.

V. Organic Silicon Antifoamer

...chitsauko chinotevera.