ULTRASONIC WASTEWATER KHO TSHUAJ TECHNOLOGY ANALYSIS
Cov cavitation nyhuv ntawm ultrasonic tsis qhia cov tshuaj degrading cov teeb meem hauv cov dej, ua li ua rau lub hom phiaj ntawm ultrasonic dej phwj kho. Hauv cov dej phwj txheej txheem, ultrasonic cavitation muaj zog muaj peev xwm los degrade organic tshuaj, thiab degradation tus nqi yog ceev heev. Lub zog siab los ntawm lub cev qhuav dej ntawm ultrasonic cavitation npuas yog txaus kom tawg cov tshuaj bonds, thiab cavitation npuas dej tawg los ua kom cov hydroxyl radicals (OH) thiab hydrogen radicals (H), uas yog cov tshuaj oxidation nrog cov organic tshuaj, tuaj yeem hloov cov teeb meem ntawm cov organic dej hauv lub cev CO2, H2O, inorganic ions, los yog cov organic khoom uas tsis muaj tshuaj lom thiab degradable ntau tshaj li cov organic tshuaj. Yog li ntawd, nyob rau hauv cov dej ntxuav dej, biodegradation ntawm cov organic kuab paug uas nyuaj rau lis tau tiav los ntawm ultrasonic cavitation.
Theoretical basis
Lub hauv paus ntawm ultrasonic degradation ntawm cov kuab paug hauv cov dej yog qhov kev tshawb xav ntawm cavitation thiab cov qauv siv dawb radical oxidation. Vim yog qhov hloov ntawm cov tshuaj tiv thaiv mob los ntawm ultrasonic cavitation, thermodynamic hloov ntawm cov tshuaj tiv thaiv tshuaj yog tshwm sim, thiab cov ceev thiab cov paib ntawm cov tshuaj tiv thaiv tau zoo tuaj. Tsis tas li ntawd, nyob rau hauv qhov chaw siab thiab kub siab puag ncig generated los ntawm ultrasonic cavitation, dej yog tsim tau tsim H thiab OH radicals. Tsis tas li ntawd, huab cua (N2 thiab O2) yaj ntawm cov tshuaj kuj muaj peev xwm yauv mus yauv dawb-radical cleavage tshua los ua cov N thiab O radicals.
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