Розробка математичної моделі очистки фенольних стічних вод від смолистих речовин. Частина 1
Journal Title: Математичне моделювання - Year 2016, Vol 1, Issue 1
Abstract
REMOVAL OF RESINOUS SUBSTANCES FROM PHENOLIC WASTEWATER: DEVELOPMENT OF A MATHEMATICAL MODEL. PART 1 Trikilo A.I., Yelatontsev D.O. Abstract The purpose of authors was to investigate the problem of phenolic wastewater treatment by means of novel reagent addition during flotation process. There is a great need of brand new, efficient and inexpensive reagents for treating liquid wastes in coking industry. According to recent surveys, bentonite clay consider as a very promising substance for reaching this goal, especially with addition of small quantity of cationic flocculants. Mathematical modelling is essentially helpful in solving tasks, like establishing an optimal dosage of reagents basing on virtue of experimental data. In this study, the constructing of 3d-surfaces were used to reach an optimal dosage of reagents (sodium bentonite clay and cationic polyacrylamide CW 3279), their ratio and treatment efficiency. Combination of bentonite-flocculant when getting into water during flotation causes an adsorption processes going. Batch studies have performed to evaluate the effect of experimental parameters such as temperature and pH of phenolic wastewater, dosages of bentonite and flocculant, initial concentration of resinous substances on the adsorption process. It was found, that essential parameters are: dosages of bentonite and flocculant, initial concentration of resinous substances. By increasing the values of first two of them, we can get higher purification degree achieved. The similar result can be reached by reducing an initial concentration of resinous substances. Two brand new mathematical models, which indicates the influence of dosages of bentonite and flocculant, initial concentration of resinous substances on residual concentration of resinous substances was successfully developed. According to first model, the optimum dosage of flocculant is 4 mg/dm3 , bentonite clay – 100 mg/dm3 . The second one indicates, that maximum purification degree can be attained by bentonite:flocculant dosages ration 50:1. The values of average relative error and standard deviation for both models are acceptable for chemical technology limits. Thus, we can recommend sodium bentonite clay with the addition of the cationic flocculant CW 3279 for effective removal of resinous substances from phenolic wastewater. References [1] Kagasov V.M., & Derbyisheva E.K. (2003). Ochistka stochnyih vod koksohimicheskih predpriyatiy: monografiya. Ekaterinburg: Poligrafist (in Russian). [2] Malovaniy M.S., Petrushka I.M., Malik N.Yu., & Petrushka K.I. (2013). Perspektivnist vikoristannya prirodnih sorbentiv dlya zabezpechennya ekologichnoyi bezpeki vodno-resursnogo potentsialu derzhavi. Naukoviy visnik NLTU –Scientific Journal NLTU, no. 23(4), pp. 68-75 (in Ukrainian). [3] Petrushka I.M., & Malovaniy M.S. (2013). Rol prirodnih sorbentiv v zabezpechenni ekologichnoyi bezpeki vodnih resursiv. Naukovi pratsi odeskoyi natsionalnoyi akademiyi harchovih tehnologiy – Proceedings of Odessa National Academy of Food Technologies, no. 43, pp. 191-195 (in Ukrainian). [4] Ganzyuk A.Ya., Karvan S.A., & Deychuk G.M. (2016). Zastosuvannya mineralnih adsorbentiv u protsesah ochischennya, rozdilennya ta konditsiyuvannya gazovih I ridkih seredovisch. Visnik Hmelnitskogo natsionalnogo universitetu. Tehnichni nauki – Bulletin of Khmelnytsky National University. Engineering, no. 2, pp. 266-269. (in Ukrainian). [5] Klymenko I., Yelatontsev D., Ivanchenko A., Dupenko O., Voloshyn N. Developing of effective treatment technology of the phenolic wastewater. Eastern-European Journal of Enterprise Technologies, 2016, Vol. 3, No 10(81), pp. 29-34. doi: 10.15587/1729-4061.2016.72410 [6] Ahnazarova S.L., & Kafarov V.V. (1985). Metodyi optimizatsii eksperimenta v himicheskoy tehnologii. Moscow: Vyisshaya shkola (in Russian). [7] Vukolov E.A. (2013). Osnovyi statisticheskogo analiza: praktikum po statisticheskim metodam i issledovaniyu operatsiy s ispolzovaniem paketov STATISTICA i EXCEL. Moscow: Forum (in Russian). [8] Klimova G.M., Panasevich A.A., & Tarasevich Yu.I. (1978). Issledovanie adsorbtsii polivinilovogo spirta na montmorillonite. Ukrainskiy himicheskiy zhurnal – Ukrainian chemical journal, no. 44(4), pp. 386-389. (in Russian).
Authors and Affiliations
А. І. Трикіло, Д. О. Єлатонцев
Keywords
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