Photocatalytic degradation of indigo carmine dye using α-Fe<sub>2</sub>O<sub>3</sub>/bentonite nanocomposite prepared by mechanochemical synthesis

Lubis, Surya; Sheilatina,; Sitompul, Dina Wardani

doi:10.1088/1757-899x/509/1/012142

Cited by 10 publications

(3 citation statements)

References 22 publications

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“…33-0664 as well as the appearance of SiO2 peaks from the bentonite albeit at a lower intensity. Each of the synthetic materials exhibited characteristic peaks that corresponded to those reported in the literature (Lubis et al, 2019;Suprihatin et al, 2019). The average crystal size of α-Fe2O3, bentonite and α-Fe2O3-bentonite nanocomposite was calculated using the Debye Scherer formula.…”

Section: X-ray Diffraction (Xrd) Spectrummentioning

confidence: 79%

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Application of PAN/α-Fe2O3-Bentonite as A Photocatalytic Membrane for The Photodegradation of Methylene Blue

Sitompul¹,

Kemala²,

Darmawan³

2023

Valensi

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The intricate molecular structure of the dyes in wastewater makes it difficult to biodegrade, which could harm the environment. Currently, semiconductor-based photocatalytic methods are being developed to remove dyes from water. In this study, the α-Fe2O3-bentonite photocatalyst was synthesized by mechanical milling and immobilized in polyacrylonitrile (PAN) membrane by phase inversion. Analysis of the composition and surface morphology of the synthesized samples was carried out by FTIR, XRD, and EDX. The performance of the photocatalytic membrane was studied by investigating the removal of methylene blue (MB). Photocatalytic membrane with 2% α-Fe2O3-bentonite had the best performance in removing MB (10 ppm) that reached 99.84% at pH 11.5 with an irradiation time of 300 minutes under direct sunlight. The reuse cycle of the photocatalytic membrane was also carried out and the results showed that there is no significant change in the photodegradation efficiency after 3 cycles. Photocatalyst immobilization on PAN membranes is proven to overcome the post-recovery problem of photocatalysts and making easier to reuse. The photocatalyst membrane synthesized in this study can be used as an alternative for removing dyes from water.

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Section: X-ray Diffraction (Xrd) Spectrummentioning

confidence: 79%

“…The synthesized nanoparticles of α-Fe2O3 and bentonite were mixed with a weight ratio of 4:1, then ground using a planetary ball mill for 2 hours at a speed of 350 rpm (the ratio of the ball to the sample is 7:1) (Lubis et al, 2019).…”

Section: Synthesis Of α-Fe2o3-bentonite Nanocompositementioning

confidence: 99%

Application of PAN/α-Fe2O3-Bentonite as A Photocatalytic Membrane for The Photodegradation of Methylene Blue

Sitompul¹,

Kemala²,

Darmawan³

2023

Valensi

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“…Recently Nano photocatalysts showed a new promising way to address this challange. Despite of their improved properties, the small size of the nano composites also come up with issues like difficulty in their separation, lack of process for reuse, and also a possible risks to ecosystems by the potential release of the nanoparticles into the environment [2,3]. An efficient approach to overcome the above drawbacks is to immobilize the nanosized particles into a host material of larger size namely in a polymer nanocomposite.…”

Section: Introductionmentioning

confidence: 99%

Excellent Photocatalytic Degradation of Indigo Dye using Low Cost Chemical Route Grown Highly Luminescent SnO2 Decorated Polystyrene Nanocomposites

Kaundal¹,

Tiwari²,

Goswami³

2021

Preprint

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Irrational use of dye is a challenge for our environment specifically for clean water. Highly luminescent SnO2 decorated Polystyrene nanocomposites developed as an effective solution for it. The low cost chemical synthesis of highly luminescent tin oxide decorated Polystyrene (SnO2-PS) polymer nanocomposites using recyclable expended polystyrene waste has been reported. Sol gel grown tin oxide nanoparticles, thoroughly dissolved in dissolved in toluene were used with recyclable expended polystyrene waste. The composites were grown either on glass substrates or developed as flexible self sustaining layers and characterized by optical, structural & morphological characterizations. X ray diffractograms of SnO2-PS polymer nanocomposites exhibit crystalline behavior with tetragonal structure of SnO2. Accumulation of SnO2 particles on the surface with increasing concentration, in the form of spherical structures is observed in AFM micrographs. Hollow vertical chain like growth is also observed. Absorption edge shift towards higher wavelength results in decrease in band gap with increasing concentration. The Photoluminescence (PL) spectra for higher SnO2 shows a significant peak peaks in visible spectra at about 425 nm. SnO2 decorated Polystyrene nanocomposites synthesized using recyclable expended polystyrene waste opens a new scope in flexible optoelectronic applications with visible region photoluminescence.

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Effective Materials in the Photocatalytic Treatment of Dyestuffs and Stained Wastewater

Bhattacharjee

Mitra

et al. 2022

Environmental Science and Engineering

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Photocatalytic degradation of indigo carmine dye using α-Fe₂O₃/bentonite nanocomposite prepared by mechanochemical synthesis

Cited by 10 publications

References 22 publications

Application of PAN/α-Fe2O3-Bentonite as A Photocatalytic Membrane for The Photodegradation of Methylene Blue

Application of PAN/α-Fe2O3-Bentonite as A Photocatalytic Membrane for The Photodegradation of Methylene Blue

Excellent Photocatalytic Degradation of Indigo Dye using Low Cost Chemical Route Grown Highly Luminescent SnO2 Decorated Polystyrene Nanocomposites

Effective Materials in the Photocatalytic Treatment of Dyestuffs and Stained Wastewater

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Photocatalytic degradation of indigo carmine dye using α-Fe2O3/bentonite nanocomposite prepared by mechanochemical synthesis

Cited by 10 publications

References 22 publications

Application of PAN/α-Fe2O3-Bentonite as A Photocatalytic Membrane for The Photodegradation of Methylene Blue

Application of PAN/α-Fe2O3-Bentonite as A Photocatalytic Membrane for The Photodegradation of Methylene Blue

Excellent Photocatalytic Degradation of Indigo Dye using Low Cost Chemical Route Grown Highly Luminescent SnO2 Decorated Polystyrene Nanocomposites

Effective Materials in the Photocatalytic Treatment of Dyestuffs and Stained Wastewater

Contact Info

Product

Resources

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Photocatalytic degradation of indigo carmine dye using α-Fe₂O₃/bentonite nanocomposite prepared by mechanochemical synthesis