Ethanol imvura inoputika isina ruvara inoonekera patembiricha yekamuri uye kudzvanywa, huturu hwakaderera, mvura yakachena haigone kunwiwa zvakananga. Iyo aqueous solution ye ethanol ine kunhuhwirira kwewaini, uye zvishoma zvinogumbura, zvinotapira zvinonaka. Ethanol inogona kupfuta uye hupfu hwayo hunogona kugadzira misanganiswa inoputika nemhepo. Ethanol inonyungudika nemvura chero ipi zvayo, inosanganiswa nekloroform, ether, methanol, acetone, uye mamwe akawanda organic solvents.
Ethanol inogona kushandiswa kugadzira acetic acid, chinwiwa, essence, dhayi, mafuta, nezvimwewo. Mukurapa, ethanol ine vhoriyamu chikamu che70% ~ 75% inowanzoshandiswa semishonga inouraya utachiona. Ethanol inoshandiswa zvakanyanya muindasitiri yemakemikari, kurapwa, indasitiri yechikafu, kugadzirwa kwekurima uye mamwe minda.
Nzira dzekugadzirira
Kugadzirira kwemaindasitiri
Muindasitiri, ethanol inogadzirwa nekuvirisa, synthesis uye yakasanganiswa biological process. Pano ngationei nzira yekutanga.
1. Kuvirisa
Nzira yekuvirisa ndeyekushandisa sitachi mbishi zvinhu (sezviyo, mbatatisi, chibage, mhunga kana michero yemusango) uye shuga mbishi zvinhu (senge molasses, sulfite waste liquid) kuvirisa, yekutanga ndiyo inonyanya kuvirisa zvinhu. Kuvirisa kwakagadzirwa pahwaro hwekugadzira waini uye yaive nzira yega yeindasitiri yekugadzira ethanol kwenguva yakareba. Mukuita uku, nhevedzano yezvakaoma biochemical reactions inoitika. Kutora starch raw material semuenzaniso, iyo yose yekugadzira nzira inosanganisira kubikwa kwezvinhu zvakasvibirira, kugadzirira kweiyo saccharifying agent, saccharification, kugadzirira kwewaini mai, kuvirisa uye distillation, nezvimwewo. yeenzyme, yozoviriswa nembiriso kuti ibudise ethanol uye kuburitsa kabhoni dhaikisaidhi (danho re hydrolysis ye starch kuenda kuglucose haidiwe kune shuga raw material). Chikamu chikuru che ethanol mumuto wekuvirisa chinenge 6% ~ 10%, uye ipapo ethanol inodzorwa kuita 95.57% doro remushonga nekuita distillation.
Nguva yekutumira: Oct-12-2021