In-situ measurement of the adsorption thermodynamics of rutin on macroporous adsorption resins by fiber-optic sensing

Gao, Fei; Muhammad, Turghun; Bakri, Mahinur; Yang, Wenwu; Pataer, Parezhati; Yang, Xiaoxia

doi:10.1080/10739149.2018.1505636

Cited by 9 publications

(5 citation statements)

References 31 publications

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“…The mouth of the adsorption bag was sealed by flame. Subsequently, the adsorption bag was immersed in ethanol for 24 h and then washed with ultrapure water until no residual ethanol was detected . Finally, the resin was sealed and stored in a sample bottle for further use.…”

Section: Methodsmentioning

confidence: 99%

Correlation Study of Batch and Fixed Bed Adsorption Procedures Based on the Binding Capacities for Water Pollutants

Aimaiti

Yang

Muhammad

et al. 2022

Ind. Eng. Chem. Res.

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In theoretical studies or practical applications, all adsorption separations, including water pollutant treatment, can be realized by batch or fixed bed processes. However, much uncertainty still exists about the correlation between the adsorption uptake of the two processes of the same adsorption system. To address this issue, batch and fixed bed processes are designed using adsorbent/adsorbate pairs, such as activated carbon, which is commonly used in water treatment. The adsorption capacities of the two processes are obtained under the same or constant parameters, including adsorbent mass, adsorbate solution volume, adsorption time, and temperature. The results demonstrated that there is a significant correlation between the adsorption uptake of the two processes. The correlation can be divided into two distinct categories: r is either directly proportional or kept constant to the adsorbate concentration increase and it is almost less than one in all cases. The relative error between the predicted value and the experimental value was 5.7%. The findings of this study have a significant importance and can be a good reference for further exploration of the mathematical model of the correlation between the adsorption capacities of the two processes. Moreover, the model will provide a powerful tool for the comparison and selection of the appropriate process and in the extraction of adsorption parameters of one process from that of another.

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Section: Methodsmentioning

confidence: 99%

Correlation Study of Batch and Fixed Bed Adsorption Procedures Based on the Binding Capacities for Water Pollutants

Aimaiti

Yang

Muhammad

et al. 2022

Ind. Eng. Chem. Res.

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“…Researchers have successfully integrated a fiber-optic sensing spectrometer to achieve automatic in situ or on-line detection of liquid-adsorption process with MAR as the adsorbent and rutin as the adsorbate. 18,19,21…”

Section: Introductionmentioning

confidence: 99%

“…17 It is being increasingly employed in various applications, including the determination of drug dissolution processes, environmental monitoring, digital microuidics, and in situ adsorption. [18][19][20] The whole process of batch adsorption can be detected automatically using a ber-optic sensor. Researchers have successfully integrated a ber-optic sensing spectrometer to achieve automatic in situ or on-line detection of liquid-adsorption process with MAR as the adsorbent and rutin as the adsorbate.…”

Section: Introductionmentioning

confidence: 99%

“…Researchers have successfully integrated a ber-optic sensing spectrometer to achieve automatic in situ or on-line detection of liquid-adsorption process with MAR as the adsorbent and rutin as the adsorbate. 18,19,21 Polyphenols are the most abundant secondary metabolites in plants. 22 They are characterized by the presence of multiple phenolic hydroxyl groups attached to one or more aromatic rings.…”

Section: Introductionmentioning

confidence: 99%

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Precise evaluation of batch adsorption kinetics of plant total polyphenols based on a flow-injection online spectrophotometric method

Guo,

Muhammad,

Aimaiti

et al. 2024

Anal. Methods

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“…The MAR extraction technology was a promising method, because it has the advantages of large adsorption capacity, fast adsorption speed, mild desorption conditions, recyclability, chemical stability, low operation cost, high efficiency, little solvent consumption, long lifetime and excellent selectivity (He et al , 2019; Gao et al , 2018). It is widely used in the separation of active ingredients in traditional Chinese medicine, included flavonoids, saponins, pigments, alkaloids and natural sweeteners (Chen et al , 2012; Zhao et al , 2017; Balachandran, 2018).…”

Section: Introductionmentioning

confidence: 99%

Separation and purification of flavonoids from polygonum cuspidatum using macroporous adsorption resin

Zhang

Wang

Zhao

et al. 2021

PRT

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Purpose This paper aims to evaluate the separation and purification characteristics of flavonoids from polygonum cuspidatum (PC) extracts by using macroporous adsorption resins (MAR) mixed bed to improve the utilization rate of flavonoids. Design/methodology/approach Taking the separation performance of flavonoids as an evaluation index, the best MAR were screened from 31 sorts of MAR and combined the best MAR to form a MAR mixed bed for adsorption and separation of flavonoids. Findings By studying the separation conditions that affect flavonoids, the results showed that resin LZ-72 has best separation and purification effect on flavonoids under the optimal adsorption and desorption conditions, the purity of the obtained flavonoid compound reaches 82.50%, 2.66 times of the initial extract, and the recovery rate reaches 89.70%. Theoretical research results have shown that the adsorption of flavonoids by MAR conforms to the pseudo-second-order kinetics and Freundlich models. Practical implications Because the flavonoids in PC have great medicinal value, the purpose of this work is to develop a method of separating and purifying flavonoids from PC, which will provide a certain foundation for the development of medicine. Originality/value This contribution provided a novel way to separate flavonoids from PC. Under the optimal conditions, the content of flavonoids in the product was increased 2.66-fold from 31.01% to 82.50%, and the recovery yield was 89.70%.

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In-situ measurement of the adsorption thermodynamics of rutin on macroporous adsorption resins by fiber-optic sensing

Cited by 9 publications

References 31 publications

Correlation Study of Batch and Fixed Bed Adsorption Procedures Based on the Binding Capacities for Water Pollutants

Correlation Study of Batch and Fixed Bed Adsorption Procedures Based on the Binding Capacities for Water Pollutants

Precise evaluation of batch adsorption kinetics of plant total polyphenols based on a flow-injection online spectrophotometric method

Separation and purification of flavonoids from polygonum cuspidatum using macroporous adsorption resin

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