THE STUDY OF BREAKTHROUGH CURVE OF CITRIC ACID IN ADSORPTION PROCESS WITH ANIONIC RESIN AND INTRODUCING A MATHEMATICAL MODEL

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GHORBANIAN S.A.; ABOU ALGHASEMI HOSSEIN; MOUSAVIAN SEYED MOHAMMAD ALI; GHANNADI M.

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Journal: Year:2007 | Volume:41 | Issue:2 (104) Page(s): 213-218

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Title

THE STUDY OF BREAKTHROUGH CURVE OF CITRIC ACID IN ADSORPTION PROCESS WITH ANIONIC RESIN AND INTRODUCING A MATHEMATICAL MODEL

Author(s)

GHORBANIAN S.A. | ABOU ALGHASEMI HOSSEIN | MOUSAVIAN SEYED MOHAMMAD ALI | GHANNADI M. | Issue Writer Certificate

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Abstract

In this research paper, an experimental breakthrough curve for citric acid in an adsorption recovery process was determined by an ion-exchange resin in 20, 35, 55°C. Also, a mathematical model for breakthrough curve was presented. Among ion exchange resins that have been experienced, many weak and strong basic anionic resins are available such as, IRA-92, IRA-93, IRA-420 and IRA- 458 and all of them were experienced in this work. It was shown that IRI-93 has good performance and compatibility. To obtain concentration of citric acid in the outlet stream from the resin glass column, spectrophotometer DV-VIS, Cary 1E/ Cary 3E from Varian Company was used. The results indicated weak basic kinds are '"suitable for organic acids recovery, especially for citric acid. Also, the results showed that Amberlite IRA-93 is one of the best resins for recovery of citric acid. In the transient state adsorption, the breakthrough isothermal adsorption curve was obtained in different temperatures. Generally, although an increase in temperature causes an increase in diffusion coefficient of particles, the saturation capacity of resin (or the effective adsorption of acid in the bed) decreases. Several models in different forms, such as fractional, polynomial and exponential, were developed and with analyzing these models a new mathematical model in the form of C=at/b+c° and modified form of c at were developed for C/CF=at/b+(c/cf)n prediction of the breakthrough curve with low error. Also, if the model is to be used for the break through curve between start and terminal rapture points, the situation of fitting is in the best condition and error less than 1% could be achieved. In this way, least square method in Eviews software was applied. With using these models, the variation of similar breakthrough curves could be fitted, appropriately.

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APA: Copy

GHORBANIAN, S.A., ABOU ALGHASEMI, HOSSEIN, MOUSAVIAN, SEYED MOHAMMAD ALI, & GHANNADI, M.. (2007). THE STUDY OF BREAKTHROUGH CURVE OF CITRIC ACID IN ADSORPTION PROCESS WITH ANIONIC RESIN AND INTRODUCING A MATHEMATICAL MODEL. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), 41(2 (104)), 213-218. SID. https://sid.ir/paper/14218/en

Vancouver: Copy

GHORBANIAN S.A., ABOU ALGHASEMI HOSSEIN, MOUSAVIAN SEYED MOHAMMAD ALI, GHANNADI M.. THE STUDY OF BREAKTHROUGH CURVE OF CITRIC ACID IN ADSORPTION PROCESS WITH ANIONIC RESIN AND INTRODUCING A MATHEMATICAL MODEL. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN)[Internet]. 2007;41(2 (104)):213-218. Available from: https://sid.ir/paper/14218/en

IEEE: Copy

S.A. GHORBANIAN, HOSSEIN ABOU ALGHASEMI, SEYED MOHAMMAD ALI MOUSAVIAN, and M. GHANNADI, “THE STUDY OF BREAKTHROUGH CURVE OF CITRIC ACID IN ADSORPTION PROCESS WITH ANIONIC RESIN AND INTRODUCING A MATHEMATICAL MODEL,” JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), vol. 41, no. 2 (104), pp. 213–218, 2007, [Online]. Available: https://sid.ir/paper/14218/en

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