Synthesis and characterization of clay graphene oxide iron oxide (clay/GO/Fe2O3)-nanocomposite for adsorptive removal of methylene blue dye from wastewater

Farooq, Nosheen; Khan, Muhammad Imran; Shanableh, Abdallah; Qureshi, Ashfaq Mahmood; Jabeen, Shazia; Rehman, Aziz ur

doi:10.1016/j.inoche.2022.109956

Cited by 19 publications

(2 citation statements)

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“…GO was made from graphite flakes using an improved Hummer's method. 24,25 First of all, 50 conc. solution of H 2 SO 4 was taken in beaker, and graphite flasks were added under continues stirring for 1 h to insure complete homogenization.…”

Section: Preparation Of Gomentioning

confidence: 99%

Synthesis of Ag @CuO nanocomposites supported by reduced graphene oxide nanosheets: harnessing photocatalytic degradation of naphthol blue black dye

Kousar,

Noor,

Farid

et al. 2024

Applied Organom Chemis

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The significance of utilizing photocatalysts to degrade toxic dyes and microbes has grown in recent years. It has been demonstrated as a successful method for utilizing light through hybrid photocatalysts to break down harmful organic molecules. This study aims to investigate the potential applications of CuO–Ag/rGO nanocomposites in environmental remediation. The nanocomposites were synthesized by incorporating Ag and CuO nanoparticles onto rGO nanosheets via hydrothermal method. The nanocomposites that resulted were thoroughly characterized using various analytical techniques to determine their chemical structure, morphology, crystallinity, and photocatalytic application. The degradation efficiency of naphthol black blue (NBB) dye under visible light irradiation was used to assess the photocatalytic performance of the nanocomposites. It was revealed that 80.2%, 90.3%, and 97.3% of NBB dye degraded as a result of enhanced photocatalytic activity of synthesized CuO–Ag/rGO. The research provides valuable insights into the design and development of advanced nanomaterials for efficient and sustainable wastewater treatment applications.

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Section: Preparation Of Gomentioning

confidence: 99%

Synthesis of Ag @CuO nanocomposites supported by reduced graphene oxide nanosheets: harnessing photocatalytic degradation of naphthol blue black dye

Kousar,

Noor,

Farid

et al. 2024

Applied Organom Chemis

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“…Among those methods, adsorption has been applied widely due to its good universality and high efficiency [ 5 , 6 ]. Conventional adsorbent materials mainly include inorganic carbon-based materials [ 7 ], polymeric membrane materials [ 8 ] and particulate materials [ 9 ]. However, these materials have several drawbacks, including low removal efficiency, poor reusability, high cost and time-consuming processes [ 10 , 11 ], limiting their further application in industry.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of EVOH/PANI Composite Nanofibrous Aerogels for the Removal of Dyes and Heavy Metal Ions

Jun-shan

Song

2023

Materials

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Water pollution caused by the leakage and discharge of pollutants, such as dyes and heavy metal ions, can cause serious damage to the environment and human health. Therefore, it is important to design and develop adsorbent materials that are efficient and multifunctional for the removal of these pollutants. In this work, poly(vinyl alcohol-co-ethylene) (EVOH)/polyaniline (PANI) composite nanofibrous aerogels (NFAs) were fabricated via solution oxidation and blending. The aerogels were characterized by a scanning electron microscope, Fourier transform infrared spectrometry, a contact angle measuring instrument and a universal testing machine. The influences of the introduction of PANI nanorods on the structural properties of aerogels were investigated, and the adsorption performance of aerogels was also studied. The results showed that the introduction of PANI nanorods filled the fibrous network structure, reduced porosity, increased surface hydrophilicity and improved compressive strength. Furthermore, EVOH/PANI composite NFAs possess good adsorption performances for dyes and heavy metal ions: The adsorption capacities of methyl orange and chromium ions (VI) are 73.22 mg/g and 115.54 mg/g, respectively. Overall, the research suggests that EVOH/PANI NFAs have great potential as efficient and multifunctional adsorbent materials for the removal of pollutants from water.

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Study on MoS₂/Fe‐MIL‐88NH₂ Transition metal dichalcogenide/Metal‐organic framework as a novel composite for highly adsorption of methylene blue dye from aqueous solutions

Karami

Noori

Bayat

et al. 2023

Applied Organom Chemis

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The present study proposes a unique MoS 2 /Fe-MIL-88NH 2 composite as an adsorbent for methylene blue (MB) from aqueous solutions for the first time. Different physicochemical techniques are utilized to characterize (metalorganic framework [MOF]/transition metal dichalcogenide [TMD]), including elemental analysis, Fourier transform infrared (FT-IR), field emission scanning electron microscopy (FE-SEM), zeta potential (ζ) measurement, and Brunauer-Emmett-Teller (BET) theory. The effects of different process factors on MB dye adsorption by composite are examined, including initial dye concentration, adsorbent loading, solution pH, temperature, and dye mixture. Various process parameters encompassing the initial dye concentration, adsorbent loading, solution pH, temperature, and mixture of dyes are investigated, and the equilibrium adsorption capacity towards MB is found up to 370 mg g À1 (when pH = 4.0, contact time is 90 min, and the adsorbent dose is 0.0068 mmol g À1 ). Experimental results reveal that the adsorption process is highly dependent on adsorbent dosage, initial MB concentration, and aqueous solution temperature. Equilibrium data are fitted onto Langmuir, Freundlich, Temkin, and Dubinin-Radushkevich models expressing the MB adsorption phenomena. Moreover, the isotherm data fit Freundlich mathematical models with maximum dye adsorption of 370 mg g À1 . Sorption kinetics follows a pseudo-second-order model.

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Synthesis and characterization of clay graphene oxide iron oxide (clay/GO/Fe2O3)-nanocomposite for adsorptive removal of methylene blue dye from wastewater

Cited by 19 publications

References 43 publications

Synthesis of Ag @CuO nanocomposites supported by reduced graphene oxide nanosheets: harnessing photocatalytic degradation of naphthol blue black dye

Synthesis of Ag @CuO nanocomposites supported by reduced graphene oxide nanosheets: harnessing photocatalytic degradation of naphthol blue black dye

Fabrication of EVOH/PANI Composite Nanofibrous Aerogels for the Removal of Dyes and Heavy Metal Ions

Study on MoS₂/Fe‐MIL‐88NH₂ Transition metal dichalcogenide/Metal‐organic framework as a novel composite for highly adsorption of methylene blue dye from aqueous solutions

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Synthesis and characterization of clay graphene oxide iron oxide (clay/GO/Fe2O3)-nanocomposite for adsorptive removal of methylene blue dye from wastewater

Cited by 19 publications

References 43 publications

Synthesis of Ag @CuO nanocomposites supported by reduced graphene oxide nanosheets: harnessing photocatalytic degradation of naphthol blue black dye

Synthesis of Ag @CuO nanocomposites supported by reduced graphene oxide nanosheets: harnessing photocatalytic degradation of naphthol blue black dye

Fabrication of EVOH/PANI Composite Nanofibrous Aerogels for the Removal of Dyes and Heavy Metal Ions

Study on MoS2/Fe‐MIL‐88NH2 Transition metal dichalcogenide/Metal‐organic framework as a novel composite for highly adsorption of methylene blue dye from aqueous solutions

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Study on MoS₂/Fe‐MIL‐88NH₂ Transition metal dichalcogenide/Metal‐organic framework as a novel composite for highly adsorption of methylene blue dye from aqueous solutions