Video: Hetp suav li cas?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
HETP tshwm sim los ntawm tib lub tswv yim ntawm cov theem sib npaug raws li qhov theoretical phaj thiab cov lej sib npaug ntawm qhov nqus txaj ntev muab faib los ntawm tus lej ntawm cov phaj theoretical hauv lub txaj nqus (thiab hauv kev xyaum yog ntsuas li no).
Tsis tas li, koj suav Hetp hauv chromatography li cas?
Phaj Qhov siab Chromatography Formula Koj tuaj yeem siv qhov "qhov siab sib npaug rau lub phaj theoretical" ( HETP ) hauv equation HETP = A + B / v + Cv rau Eddy-diffusion lub sij hawm A, longitudinal diffusion lub sij hawm B, tsis kam mus rau huab hwm coj hloov coefficient C thiab linear tshaj tawm v.
Ib sab saum toj no, koj ua li cas thiaj nrhiav tau tus lej ntawm cov phiaj xwm theoretical hauv ib kem? Kem efficiency xam xam efficiency, qhia raws li lub tus lej ntawm daim phiaj theoretical rau kem , yog xam N = 5.54 (tR / w0.5)2 qha tR yog lub sijhawm khaws cia ntawm kev ntsuas kev txaus siab thiab w0.5 qhov dav ntawm lub ncov ntawm ib nrab qhov siab.
Ib sab saum toj no, Hetp txhais li cas?
qhov siab sib npaug rau Theoretical Phaj
Hetp yog dab tsi nyob rau hauv packed kem?
Ntim Qhov siab (Dilute): HETP . HETP (Qhov siab sib npaug rau Theoretical Phaj) Raws li peb tau sau tseg, tsis yog lub tais (phaj) kem , a ntim kab tuaj yeem siv rau ntau yam haujlwm xws li kev ua haujlwm tas mus li lossis batch distillation, lossis kev nqus roj.
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