Supramolecular solvent combined with dispersive solid phase extraction based magnetic silicone surfactant activated charcoal adsorbent for extraction of phenolic compounds from industrial wastewater

Gopal, K.; Al‐Deeb, Ibrahim; Raaov, M; Suah, Faiz Bukhari Mohd; Samad, Nozlena Abdul; Yahaya, Noorfatimah; Lim, Vuanghao; Zain, Nur Nadhirah Mohamad

doi:10.1016/j.microc.2020.105110

Cited by 20 publications

(6 citation statements)

References 51 publications

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“…Figure 6(b) show peaks 2θ = 27.44°, 31.71°, 45.42°, and 56.41° are the resulting nanoparticle diffraction angles. These results demonstrated the creation of highly pure crystals(Gopal et al 2020;Nodeh et al 2015).…”

mentioning

confidence: 60%

“…A similar study by Gopal et al (2020) stated that dosage of adsorbent was a vital factor related to the extraction capacity. An increase in adsorbent dosage would increase the active binding site of magnetic to interact toward phenolic compound, eventually enhancing the extraction efficiency.…”

Section: Fig 9 Effect On Amount Adsorbent Of Phenol Extractionmentioning

confidence: 90%

“…It started to deteriorate when the value was further raised to pH 12. This pH change may be closely correlated with the surface charge of the phenolic compound, whereby phenol is a weak acid and tend to exist in its protonated state (Gopal et al 2020).…”

Section: Effect Of Sample Solution Phmentioning

confidence: 99%

“…An increase in adsorbent dosage would increase the active binding site of magnetic to interact toward phenolic compound, eventually enhancing the extraction efficiency. Therefore, an increasing amount of adsorbent dosage resulted in saturation and aggregation of the active binding site, which resulted in further adsorption and caused the extraction efficiency to remain constant (Gopal et al 2020).…”

Section: Fig 9 Effect On Amount Adsorbent Of Phenol Extractionmentioning

confidence: 99%

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Synthesis of silica from rice husk as coating material on magnetic nanoparticle for efficient adsorption of phenol from water samples

Wee

Saleh

Devi

et al. 2023

BioRes

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Silica (SiO2) from rice husk was coated with magnetic nanoparticles (MNPs) as an adsorbent to adsorb phenol from river water. The structure of SiO2 and SiO2-MNPs were characterized by Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD). Field emission scanning electron microscopy (FESEM) showed a rod shape, with a rough surface area in the range of 2 to 3 µm. Transmission electron microscopy (TEM) and energy dispersive x-ray spectroscopy (EDX) were used to examine the resulting spherical shape of the synthesized SiO2-MNP. The results showed a range of 1.3 to 1.5 nm for SiO2 and 4.2 to 6.4 nm for SiO2-MNP. Vibrating-sample magnetometer (VSM) showed an Fe value of 45.1% in SiO2-MNP (VSM); for MNP, SiO2, SiO2-MNP 104.12, 4.72, and 8.01 emu/g, respectively. Response surface methodology (RSM) was used to study the parameters and responses to obtain an optimized condition in SiO2-MNPs usage. The optimized parameters were extraction time selected at 5 min, pH 8, 8 mL acetonitrile as solvent and 15 min as sonication time. The application of SiO2-MNPs was applied to real water samples, with recovery of 84% of phenol. Thus, the synthesized adsorbent, SiO2-MNPs, was developed successfully for phenol removal from water samples.

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confidence: 60%

Section: Fig 9 Effect On Amount Adsorbent Of Phenol Extractionmentioning

confidence: 90%

Section: Effect Of Sample Solution Phmentioning

confidence: 99%

Section: Fig 9 Effect On Amount Adsorbent Of Phenol Extractionmentioning

confidence: 99%

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Synthesis of silica from rice husk as coating material on magnetic nanoparticle for efficient adsorption of phenol from water samples

Wee

Saleh

Devi

et al. 2023

BioRes

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“…It is in this sense that, in last decade, new systems and emerging techniques have been developed and implemented to reduce the amount of sample to be treated, the use of harmful and pollutant solvents, the extraction time and the energy consumption. Recent advances in this field include improvements and variants of traditional solid–liquid, liquid–liquid and solid-phase extraction techniques [ 13 ] and among the non-conventional or modern extraction techniques, the use of ultrasound, microwaves, supercritical fluids, and pressurised fluids should be highlighted. These novel extraction methods are used for extracting phenolic compounds from a wide variety of different plant species, such as garlic, onion, leek, oregano, peppermint, rosemary, salvia, olive leaves, etc.…”

Section: Techniques and Extraction Systems For Phenolic Compoundsmentioning

confidence: 99%

Extraction Systems and Analytical Techniques for Food Phenolic Compounds: A Review

Lama-Muñoz

Contreras

2022

Foods

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Phenolic compounds are highly valuable food components due to their potential utilisation as natural bioactive and antioxidant molecules for the food, cosmetic, chemical, and pharmaceutical industries. For this purpose, the development and optimisation of efficient extraction methods is crucial to obtain phenolic-rich extracts and, for some applications, free of interfering compounds. It should be accompanied with robust analytical tools that enable the standardisation of phenolic-rich extracts for industrial applications. New methodologies based on both novel extraction and/or analysis are also implemented to characterise and elucidate novel chemical structures and to face safety, pharmacology, and toxicity issues related to phenolic compounds at the molecular level. Moreover, in combination with multivariate analysis, the extraction and analysis of phenolic compounds offer tools for plant chemotyping, food traceability and marker selection in omics studies. Therefore, this study reviews extraction techniques applied to recover phenolic compounds from foods and agri-food by-products, including liquid–liquid extraction, solid–liquid extraction assisted by intensification technologies, solid-phase extraction, and combined methods. It also provides an overview of the characterisation techniques, including UV–Vis, infra-red, nuclear magnetic resonance, mass spectrometry and others used in minor applications such as Raman spectroscopy and ion mobility spectrometry, coupled or not to chromatography. Overall, a wide range of methodologies are now available, which can be applied individually and combined to provide complementary results in the roadmap around the study of phenolic compounds.

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Controllable synthesis of uniform flower-shaped covalent organic framework microspheres as absorbent for solid-phase extraction of trace 2,4-dichlorophenol

Xia,

Hu,

Huang

et al. 2024

Microchim Acta

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Supramolecular solvent combined with dispersive solid phase extraction based magnetic silicone surfactant activated charcoal adsorbent for extraction of phenolic compounds from industrial wastewater

Cited by 20 publications

References 51 publications

Synthesis of silica from rice husk as coating material on magnetic nanoparticle for efficient adsorption of phenol from water samples

Synthesis of silica from rice husk as coating material on magnetic nanoparticle for efficient adsorption of phenol from water samples

Extraction Systems and Analytical Techniques for Food Phenolic Compounds: A Review

Controllable synthesis of uniform flower-shaped covalent organic framework microspheres as absorbent for solid-phase extraction of trace 2,4-dichlorophenol

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