Eksperimentalna istraživanja i modelovanje prenosa mase i hidrodinamike u apsorpcionoj koloni sa punjenjem za sistem CO2 – voda Naučni rad

Glavni sadržaj članka

Dario Balaban
https://orcid.org/0000-0001-6235-3272
Branislava Nikolovski
https://orcid.org/0000-0002-0753-3155
Mitar Perušić
https://orcid.org/0000-0001-9335-1405
Goran Tadić
https://orcid.org/0009-0002-5898-2281

Apstrakt

U ovom radu predstavljeni su rezultati istraživanja o prenosu mase i hidrodinamici u apsorpcionoj koloni sa punjenjem. Eksperimentalno je ispitivana laboratorijska apsorpciona kolona sa Rašiigovim prstenovima i dobijeni su rezultati za pad pritiska, tačke plavljenja i efikasnost apsorpcije CO2 u vodi. Prateća oprema uređaja i hemijske analize omogućile su jednostavno dobijanje i praćenje podataka. Svi dobijeni rezultati su korišteni za testiranje različitih matematičkih modela za dati problem, tj. za pad pritiska u suvoj koloni, za određivanje tačke plavljenja i visine prenosne jedinice u gasnoj fazi. Za pad pritiska u suvoj koloni, modeli primarno razvijeni za kolone sa punjenjem najbolje su opisali eksperimentalne podatke, gde je model Bileta (Billet) dao srednju grešku od ~6.5 %, a prate ga modeli Makovjaka (Mackowiak) i Štihlmera (Stichlmair). U proračunu tačke plavljenja testirani su empirijski modeli, od kojih su najbolje rezultate dali modeli Loboa (Lobo), Leva (Leva) i Takahašija (Takahashi). Eksperimenti prenosa mase (apsorpcije) su dali očekivane rezultate, s obzirom da se efikasnost apsorpcije povećavala sa porastom odnosa protoka tečnost/gas, tj. približavanjem tački plavljenja. Model Onde (Onda) je korišten za određivanje parcijalnih koeficijenata prenosa mase u tečnoj i gasnojfazi, na osnovu kojih je određena visina prenosne jedinice u gasnoj fazi i poređena sa eksperimentalnim podacima. Odstupanje izračunatih i eksperimentalnih rezultata za visinu prenosne jedinice je bilo u očekivanom rasponu od 0-20%, sa srednjom greškom od 15.5 %. Može se zaključiti da dostupni modeli za određivanje datih parametara hidrodinamike i prenosa mase u apsorpcionim kolonama sa punjenjem daju prihvatljive rezultate u poređenju sa eksperimentalno određenim vrednostima.

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Balaban, D., Nikolovski, B. ., Perušić, M., & Tadić, G. (2023). Eksperimentalna istraživanja i modelovanje prenosa mase i hidrodinamike u apsorpcionoj koloni sa punjenjem za sistem CO2 – voda: Naučni rad. HEMIJSKA INDUSTRIJA : : ХЕМИЈСКА ИНДУСТРИЈА, 77(2), 99–109. https://doi.org/10.2298/HEMIND230120014B
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Hemijsko inženjerstvo - Modelovanje procesa

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Reference

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