Facile preparation of intercrossed-stacked porous carbon originated from potassium citrate and their highly effective adsorption performance for chloramphenicol

Tian, Sujun; Dai, Jiangdong; Jiang, Yinhua; Chang, Zhongshuai; Xie, Atian; He, Jinsong; Zhang, Ruilong; Yan, Yongsheng

doi:10.1016/j.jcis.2017.06.062

Cited by 47 publications

(20 citation statements)

References 51 publications

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“…For activated carbons F-100, ROW 08 Supra and Picabiol, higher R 2 values were obtained for the pseudo-second-order kinetics model, but for carbons F-300 and WG-12, this was the case for intraparticle diffusion model. The authors of previous studies on the kinetics of chloramphenicol adsorption on various carbon sorbents received very high R 2 for the pseudo-second-order kinetics model and a slightly lower R 2 for the intraparticle diffusion model [35,37,50]. In the case of the pseudo-second-order kinetics equation, q e was more similar to the results of the experiment compared to the pseudo-first-order kinetics model.…”

Section: Kinetics Of Chloramphenicol Adsorptionmentioning

confidence: 55%

“…The concentration of chloramphenicol was determined spectrphotometrically at the wavelength of λ = 278. This wavelength for the spectrophotometric determination of chloramphenicol was also used by other researchers [35][36][37]. Examinations of kinetics and statics of adsorption of chloramphenicol adsorption were conducted from solutions with a volume of 250 cm 3 to which 1 g of activated carbon was added.…”

Section: Measurement Of Chloramphenicol Adsorptionmentioning

confidence: 99%

“…The obtained results were described by Freundlich, Langmuir Tempkin and Dubibin-Radushkevich equations (Table 3). These models are often used to describe the adsorption of organic compounds, including chloramphenicol on activated carbons [35,[54][55][56]. However, all four forms were analysed in this paper.…”

Section: Isotherms Of Chloramphenicol Adsorption On Commercial Activamentioning

confidence: 99%

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Adsorption of Chloramphenicol on Commercial and Modified Activated Carbons

Lach

2019

Water

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The aim of the study was to evaluate the possibility of applying commercial activated carbons currently used in water treatment plants and modified carbon at 400 and 800 °C in the atmosphere of air, water vapour and carbon dioxide to remove chloramphenicol. Adsorption kinetics was examined for solutions with pH of 2–10. Adsorption kinetics were determined for the initial concentration of chloramphenicol of 161 mg/dm3 and the adsorption isotherm was determined for the concentrations of 161 to 1615 mg/dm3. Of the analysed activated carbons (F-300, F-100, WG-12, ROW 08 Supra and Picabiol), the highest adsorption capacity was obtained for the use of Picabiol (214 mg/g), characterized by the highest specific surface area and pore volume. The pH value of the solution has little effect on the adsorption of chloramphenicol (the highest adsorption was found for pH = 10, qm = 190 mg/g, whereas the lowest—for pH = 6, qm = 208 mg/g). Modification of activated carbon WG-12 at 800 °C caused an increase in adsorption capacity from 195 mg/g (unmodified carbon) to 343 mg/g. A high correlation coefficient was found between the capacity of activated carbons and the total volume of micropores and mesopores. Among the examined adsorption kinetics equations (pseudo-first order, pseudo-second order, Elovich, intraparticle diffusion), the lowest values of the R2 correlation coefficient were obtained for the pseudo-first order equation. Other models with high correlation coefficient values described the adsorption kinetics. The adsorption results were modelled by means of the Freundlich, Langmuir, Temkin and Dubibin–Radushkevich adsorption isotherms. For all activated carbons and process conditions, the best match to the test results was obtained using the Langmuir model, whereas the lowest was found for the Dubibin–Radushkevich model.

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Section: Kinetics Of Chloramphenicol Adsorptionmentioning

confidence: 55%

Section: Measurement Of Chloramphenicol Adsorptionmentioning

confidence: 99%

Section: Isotherms Of Chloramphenicol Adsorption On Commercial Activamentioning

confidence: 99%

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Adsorption of Chloramphenicol on Commercial and Modified Activated Carbons

Lach

2019

Water

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“…In fact, the adsorption became unfavorable at very low pH (i.e. pH = 3) due to the electrostatic repulsion effect between positively charged CAP molecules and adsorbents surface [4]. Next, this trend fell considerably when pH solution became more neutral.…”

Section: Resultsmentioning

confidence: 99%

“…Among them, chloramphenicol (CAP) is commonly employed in veterinary clinics. Due to its severe genotoxicity and side-effects such as leukopenia and agranulocytosis, CAP utilization is restrained, even banned nowadays [4]. Unfortunately, its cost-effectiveness and widespread availability have driven CAP pharmaceutical to be produced illegally and used uncontrollably, causing their potential contamination towards environmental soil, conspicuously in the aquatic matrix, also, regenerating microbial resistance, and antibiotic-resistant genes [5].…”

Section: Introductionmentioning

confidence: 99%

Tunable Synthesis of Mesoporous Carbons from Fe3O(BDC)3 for Chloramphenicol Antibiotic Remediation

Tran

Nguyen

Le³

et al. 2019

Nanomaterials

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Chloramphenicol (CAP) is commonly employed in veterinary clinics, but illegal and uncontrollable consumption can result in its potential contamination in environmental soil, and aquatic matrix, and thereby, regenerating microbial resistance, and antibiotic-resistant genes. Adsorption by efficient, and recyclable adsorbents such as mesoporous carbons (MPCs) is commonly regarded as a “green and sustainable” approach. Herein, the MPCs were facilely synthesized via the pyrolysis of the metal–organic framework Fe3O(BDC)3 with calcination temperatures (x °C) between 600 and 900 °C under nitrogen atmosphere. The characterization results pointed out mesoporous carbon matrix (MPC700) coating zero-valent iron particles with high surface area (~225 m2/g). Also, significant investigations including fabrication condition, CAP concentration, effect of pH, dosage, and ionic strength on the absorptive removal of CAP were systematically studied. The optimal conditions consisted of pH = 6, concentration 10 mg/L and dose 0.5 g/L for the highest chloramphenicol removal efﬁciency at nearly 100% after 4 h. Furthermore, the nonlinear kinetic and isotherm adsorption studies revealed the monolayer adsorption behavior of CAP onto MPC700 and Fe3O(BDC)3 materials via chemisorption, while the thermodynamic studies implied that the adsorption of CAP was a spontaneous process. Finally, adsorption mechanism including H-bonding, electrostatic attraction, π–π interaction, and metal–bridging interaction was proposed to elucidate how chloramphenicol molecules were adsorbed on the surface of materials. With excellent maximum adsorption capacity (96.3 mg/g), high stability, and good recyclability (4 cycles), the MPC700 nanocomposite could be utilized as a promising alternative for decontamination of chloramphenicol antibiotic from wastewater.

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Watermelon Peel‐Derived Heteroatom‐Doped Hierarchical Porous Carbon as a High‐Performance Electrode Material for Supercapacitors

Zhang

Guo

et al. 2021

ChemElectroChem

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This work presents for the first time the systematic characterization and excellent supercapacitor performance of heteroatom-doped porous carbon materials (HPC) synthesized by direct pyrolysis of watermelon peel and urea via molten salt template route in air with non-toxic activating agent. The molten salt not only protects the derived carbon from burning during hightemperature pyrolysis, but can also be etched to generate abundant hierarchical pores in the final products. The obtained HPC exhibits a high specific surface area of 1660 m 2 g À 1 and shows high specific capacitances of up to 278 F g À 1 in 1 M H 2 SO 4 electrolyte. The symmetrical device also demonstrates a remarkable specific capacitance of up to 226 F g À 1 and ultrahigh initial capacitance retention of 98 % after 10,000 cycles of charge/discharge at the current density of 10 A g À 1. The porous carbon produced via this green chemical activation route demonstrates great potential as electrode materials in supercapacitor.

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Facile preparation of intercrossed-stacked porous carbon originated from potassium citrate and their highly effective adsorption performance for chloramphenicol

Cited by 47 publications

References 51 publications

Adsorption of Chloramphenicol on Commercial and Modified Activated Carbons

Adsorption of Chloramphenicol on Commercial and Modified Activated Carbons

Tunable Synthesis of Mesoporous Carbons from Fe3O(BDC)3 for Chloramphenicol Antibiotic Remediation

Watermelon Peel‐Derived Heteroatom‐Doped Hierarchical Porous Carbon as a High‐Performance Electrode Material for Supercapacitors

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