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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.4
- 수록면
- 141 - 158 (18page)
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초록· 키워드
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This paper discusses the isolation of xylene vapor through adsorption using granular activated carbon as an adsorbent. The operating parameters investigated were bed height, inlet xylene concentration and flow rate, their influence on the percentage utilization of the adsorbent bed up to the breakthrough was found out. Mathematical modeling of experimental data was then performed by employing a response surface methodology (RSM) technique to obtain a set of optimum operating conditions to achieve maximum percentage utilization of bed till breakthrough. A fairly high value of R² (0.993) asserted the proposed polynomial equation’s validity. ANOVA results indicated the model to be highly significant with respect to operating parameters studied. A maximum of 76.1% utilization of adsorbent bed was found out at a bed height of 0.025 m, inlet xylene concentration of 6,200 ppm and a gas flow rate of 25 mL.min<SUP>-1</SUP>. Furthermore, the artificial neural network (ANN) was also employed to compute the percentage utilization of the adsorbent bed. A comparison between RSM and ANN divulged the performance of the latter (R² = 0.99907) to be slightly better. Out of various kinetic models studied, the Yoon-Nelson model established its appropriateness in anticipating the breakthrough curves.
목차
ABSTRACT
1. Introduction
2. Material and Methods
3. Adsorption Isotherm
4. Adsorption Kinetics
5. Fixed Bed Adsorption Studies: Breakthrough Curves & % Utilization of Bed
6. Kinetic Models Testing
7. Experimental Design Methodology
8. Neural Network Modeling
9. Conclusions
References
참고문헌 (52)
참고문헌 신청
Li WB, Wang JX, Gong H. Catalytic combustion of VOCs on non-noble metal catalysts. Catal. Today. 2009;148:81-87.
Fenske JD, Paulson SE. Human breath emissions of VOCs. J. Air Waste Manag. Assoc. 1999;49:594-598.
Valdes H, Solar VA, Cabrera EH, Veloso AF, Zaror CA. Control of released volatile organic compounds from industrial facilities using natural and acid-treated mordenites: the role of acidic surface sites on the adsorption mechanism. Chem. Eng. J. 2014;244:117-127.
Luengas A, Barona A, Hort C, Gallastegui G, Platel V, Elias A. A review of indoor air treatment technologies. Rev. Environ. Sci. Biotechnol. 2015;14:499-522.
Kim SC, Shim WG. Catalytic combustion of VOCs over a series of manganese oxide catalysts. Appl. Catal. B: Environ. 2010;98:180-185.
Fenske JD, Paulson SE. Human breath emissions of VOCs. J. Air Waste Manag. Assoc. 1999;49:594-598.
Valdes H, Solar VA, Cabrera EH, Veloso AF, Zaror CA. Control of released volatile organic compounds from industrial facilities using natural and acid-treated mordenites: the role of acidic surface sites on the adsorption mechanism. Chem. Eng. J. 2014;244:117-127.
Luengas A, Barona A, Hort C, Gallastegui G, Platel V, Elias A. A review of indoor air treatment technologies. Rev. Environ. Sci. Biotechnol. 2015;14:499-522.
Kim SC, Shim WG. Catalytic combustion of VOCs over a series of manganese oxide catalysts. Appl. Catal. B: Environ. 2010;98:180-185.
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