"Decolorizing thiab Deodorizing Master" hauv Kev Lag Luam Qab ZibⅠ
Hauv kev lag luam khoom noj khoom haus thiab dej haus, kev lag luam qab zib yog ib qho tseem ceeb ntawm daim ntawv thov ntawm cov pa roj carbon activated. Thaum lub sij hawm tsim cov txheej txheem ntawm cov suab thaj xws li cane qab zib, beet qab zib, starch qab zib, maltose, lactose, molasses, xylose, xylitol, qabzib, thiab hydrolyzed protein tov, activated carbon plays lub luag hauj lwm tseem ceeb hauv decolorization thiab deodorization.
Qab zib factories tau muab faib ua cane qab zib factories thiab beet qab zib factories. Cov kua qab zib muaj ntau yam xim zoo li melanoidins, caramel, thiab hlau-polyphenol complexes. Cov pa roj carbon activated, uas muaj thaj tsam loj heev (500 - 1500m² / g) thiab cov qauv nplua nuj ntawm mesopores thiab micropores, tuaj yeem ua rau pom kev ua haujlwm zoo adsorption thiab kev ua haujlwm siab decolorization thaum cuam tshuam nrog cov kev daws teeb meem zoo li no.
Muaj ntau lub micropores nyob rau hauv lub tshuab txais cov pa roj carbon monoxide, thiab qhov pore loj npaum li cas yog qhov dav heev, los ntawm ob peb angstroms mus rau ob peb micrometers. Hauv particular, muaj ntau tus micropores nrog qhov pore qhov ntau thiab tsawg ntawm ob peb mus rau ntau kaum ntawm angstroms. Txhua qhov ntawm cov micropores sib raug rau qee qhov chaw saum npoo av, ua rau tag nrho qhov chaw tshwj xeeb ntawm cov pa roj carbon activated zoo heev. Rau 1 gram ntawm cov pa roj carbon activated nrog kev ua haujlwm zoo, nws thaj chaw tshwj xeeb tuaj yeem ncav cuag li 1000m². Vim hais tias lub atomic quab yuam nyob rau saum npoo ntawm activated carbon yog nyob rau hauv ib tug unsaturated lub xeev thiab muaj residual valence rog, raws li xws li ib tug loj cheeb tsam, nws lub zog nto yog qhov tseem ceeb heev. Nws yog precisely vim cov nyhuv adsorption uas lub unsaturated quab yuam nyob rau saum npoo ntawm activated carbon yuav tau them rau ib tug tej yam, yog li txo lub zog nto. Yog li ntawd, nyob rau hauv tej yam kub thiab siab tej yam kev mob, lub nto ntawm activated carbon yuav cia li adsorb tshuaj uas yuav txo tau nws nto zog. Txawm li cas los xij, thaum cov pa roj carbon activated adsorbs cov khoom sib txawv los ntawm cov tshuaj, cov nyiaj adsorption tsis zoo ib yam nrog cov feem ntawm cov tshuaj hauv cov tshuaj. Cov pa roj carbon activated ib txwm nyiam ua kom cov kua qaub concentration ntawm cov adsorption nto sib npaug. Nyob rau hauv txoj kev no, txawm tias thaum lub peev xwm adsorption zoo ib yam, cov khoom tsis muaj suab thaj nrog qis qis hauv cov kua qab zib muaj feem ntau yuav adsorbed los ntawm cov pa roj carbon activated piv rau sucrose nrog ntau dua concentration. Cov xim muaj xim nyob rau hauv syrup feem ntau muaj ib tug kuj loj molecular ntim thiab ib tug kuj loj molecular hnyav. Los ntawm cov adsorption ntawm cov pa roj carbon activated, nws lub zog saum npoo yog txo mus rau qhov loj, thiab cov kua dej kho nrog cov pa roj carbon activated tuaj yeem ua tiav qhov tseem ceeb ntawm decolorization. Nws yog qhov tseeb vim tias cov pa roj carbon activated muaj qhov zoo tshaj plaws decolorization thiab purification muaj peev xwm rau syrup uas nws tau siv dav thiab siv tau zoo hauv kev lag luam qab zib siab txawv teb chaws.
Thaum siv cov pa roj carbon activated los kho cov kua qab zib, ntxiv rau nws cov nyhuv decolorization tseem ceeb, nws tseem tuaj yeem tshem tawm cov colloids thiab nto - active impurities hauv cov kua qab zib. Cov txheej txheem no yuav ua rau kom qhov nro ntawm cov kua qab zib, txo nws cov viscosity, txo cov npuas tsim thaum lub sij hawm evaporation txheej txheem, ua kom cov crystallization ceev, thiab tuaj yeem txhim kho cov txheej txheem qab zib crystallization, txhawb kev sib cais ntawm molasses los ntawm qab zib crystals.
Peb yog cov chaw muag khoom tseem ceeb hauv Suav teb, rau tus nqi lossis cov ntaub ntawv ntau ntxiv txais tos hu rau peb ntawm:
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Post lub sij hawm: Apr-23-2025