Video: Koj puas tuaj yeem tau txais 100% ethanol?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Yog li nws tau siv sijhawm ntev rau tib neeg kom paub tseeb tias tsis yog ib tug yuav ua tau cawv dawb huv los yog dawb huv dej los ntawm ethanol thiab dej. Qhov no yog vim ethanol tsis yog ib qho sib xyaw zoo tib yam, nws yog azeotrope. Ua los ntawm cawv yog 95.57% cawv.
Raws li txoj cai, koj puas tuaj yeem haus 100% ethanol?
Roj qib ethanol tej zaum yuav muaj cov khoom txaus ntshai thiab yuav tsum tsis txhob haus. Ethanol (C2H6O), cov cawv nyob rau hauv cawv dej haus, qee zaum tsuas yog hu ua " cawv . " Txawm li cas los xij, nws yog tshuaj lom rau piv . Methanol (CH3OH), qee zaum hu ua "ntoo cawv , "Yog tshuaj lom heev.
Tsis tas li ntawd, 100 feem pua cawv hu ua dab tsi? Haus 100 Pov thawj Cawv Whisky, rum, vodka thiab txhua tus ntsuj plig muaj cawv , txawm npias, muaj pov thawj quotient. Plaub caug pov thawj, lossis 20 feem pua cawv , yog qhov tsawg kawg nkaus ntawm cawv rau cov khoom yuav hu ua a cawv.
Yog li ntawd, koj puas tuaj yeem tau txais ethanol ntshiab?
Ntshiab ethanol tuaj yeem npaj los ntawm kev ntxiv benzene toa sib tov ntawm 95% ethanol thiab dej thiab ces distilijng nosolution. Benzene yuav rau qhov sib txawv azeotrope nrog ethanol thiab dej (7.5%). Qhov no npau npau ntawm 64.9 C thiab tso cai tshem tawm cov dej nrog rau qee qhov ethanol . Thaum kawg dawb huv "alchol tsis meej" tau muab tso rau.
Dab tsi yog qhov siab tshaj plaws purity ntawm ethanol uas tuaj yeem ua los ntawm distillation?
Cov zoo tshaj koj tau tsim tawm los ntawm cov feem yooj yim distillation yog 95.6% ethanol . Koj yog dab tsi tau tau (txawm tias nws tsis muaj txiaj ntsig heev!) los ntawm kev sib tov yog dawb huv dej. Raws li ethanol nplua nuj vapor muab tawm ntawm cov kua boiling nyob rau hauv lub distillation qab, it yuav thaum kawg poob tag nrho cov ethanol tawm hauv dej xwb.
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