Synthesis, Characterization And Catalytic Activity Of Transition Metal Complexes Of Ascorbic Acid Encapsulated In Fly Ash Based Zeolite

Amaladhas, T. Peter; Thavamani, S. Sheeba

doi:10.5185/amlett.2013.1406

Cited by 14 publications

(4 citation statements)

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“…This finding is consistent with Tanka's and Chisholm's finding [9][10][11]. Peaks at 37.1° and 35.2° indicated lime and iron oxide [12] respectively, which was also confirmable with EDS analysis.…”

Section: Xrd Analysissupporting

confidence: 92%

Microstructural and Mineralogical Properties of Acid and Alkali Activated Coal Fly Ash

Mondal¹,

Islam²,

Hossain³

et al. 2019

JACS

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Fly ash (FA), a coal combustion residue of thermal power plants has been regarded as a problematic solid waste all over the world. In this study FA samples were modified with NaOH and H2SO4. The mineralogical and microstructural characterization were carried out by means of X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM/EDS) and Braunauer-Emmett-Teller's multilayer adsorption theory (BET). Experimental data showed that cenospheres were dominated with quartz and mullite glasses with both amorphous and crystalline phases. The acid treatment increased Si/Al ratios by removing impurities and dealuminations but alkali treatment significantly increased total pore volume. The specific surface area of alkali and acid treated samples were found 6.9 m 2 g -1 and 2.1 m 2 g -1 respectively, while that of virgin material was 1.5 m 2 g -1 .

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Section: Xrd Analysissupporting

confidence: 92%

Microstructural and Mineralogical Properties of Acid and Alkali Activated Coal Fly Ash

Mondal¹,

Islam²,

Hossain³

et al. 2019

JACS

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show abstract

“…Fly ash is a widely available by-product of coal combustion with high SiO 2 content ranging from 52.11 to 57.23 wt.%. [103][104][105] It can be formed in different phases, such as mullite, cordierite, or anorthite, depending on the additive material. 70,106 Our survey showed that fly ash is mainly used as a support layer in 11 of 18 published studies, as shown in Table 3.…”

Section: Agricultural and Industrial Waste Materialsmentioning

confidence: 99%

“…Fly ash is a widely available by‐product of coal combustion with high SiO 2 content ranging from 52.11 to 57.23 wt.% 103–105 . It can be formed in different phases, such as mullite, cordierite, or anorthite, depending on the additive material 70,106 .…”

Section: Strategies To Mitigate the Bottlenecks Of Ceramic Membranesmentioning

confidence: 99%

Recent progress and technical improvement strategies for mitigating ceramic membrane bottlenecks in water purification processes: A review

Omar

Othman

Tai

et al. 2023

Int J Applied Ceramic Tech

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Ceramic membranes offer considerable promise for future industrial applications due to their superior chemical, mechanical, and thermal stabilities, resistance to harsh operating conditions, and long‐term operating processes. However, several bottlenecks still limit their commercial scale‐up in filtration and separation applications, including brittleness, the high costs of conventional ceramic materials, and fouling. Despite several articles in the literature on ceramic membranes, this review focuses on recent progress, technical strategies, and methods to mitigate these limitations that significantly impact their separation and filtration performance. The use of alternative naturally occurring ceramic materials to mitigate the high costs of conventional ceramic materials is discussed, as well as strategies to improve the mechanical strength of brittle ceramic membranes by increasing sintering temperatures and using support materials. Additionally, advanced techniques to mitigate fouling accumulation and wetting in the pores and on the ceramic membrane surface, such as increasing membrane hydrophilicity and surface modification, are addressed. Despite progress in technical solutions for mitigating the bottlenecks of ceramic membranes, these limitations persist. Therefore, the present limitations and future research directions are highlighted.

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“…Malešev et al concluded that in every flavonoid molecule there are three main positions allow the interaction of ligand with metal ion, they are: 3',4'-dihydroxy on B ring, 3hydroxy or 5-hydroxy, and 4-carbonyl on C ring. Amaladhas et al stated that ascorbic acid bonds metal ion in coordination bonding through oxygen in C2 (2-hydroxy) and C3 (3-hydroxy) positions [13]. This bonding forms bidentate ligand.…”

Section: Applied Mechanics and Materials Vol 680mentioning

confidence: 99%

Interaction of Purple Sweet Potato Extract with Ascorbic Acid in FeCl<sub>3</sub> Solution

Ayende¹,

Rustandi

Soedarsono

et al. 2014

AMM

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Utilization of ascorbic acid as corrosion inhibitor has several weaknesses. These weaknesses are easy to oxidize in solution form and reduction of its antioxidant properties due to heat, light, oxidizing agent, dissolve oxygen, and heavy metals. Purple sweet potato extract is an alternative green corrosion inhibitor with major contains of anthocyanin compound. Anthocyanin will withstand enzymatic reaction and oxidation process of ascorbic acid. Addition of purple sweet potato extract in ascorbic acid will enhance inhibition efficiency of steel compare to the used of ascorbic acid alone. Interaction of purple sweet potato extract with 0.01M ascorbic acid in 0.1M FeCl3environment was analyzed using FTIR spectroscopy. The result shows that interaction of purple sweet potato extract with ascorbic acid in 0.1M FeCl3build ability to form iron chelate.

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Synthesis, Characterization And Catalytic Activity Of Transition Metal Complexes Of Ascorbic Acid Encapsulated In Fly Ash Based Zeolite

Cited by 14 publications

References 0 publications

Microstructural and Mineralogical Properties of Acid and Alkali Activated Coal Fly Ash

Microstructural and Mineralogical Properties of Acid and Alkali Activated Coal Fly Ash

Recent progress and technical improvement strategies for mitigating ceramic membrane bottlenecks in water purification processes: A review

Interaction of Purple Sweet Potato Extract with Ascorbic Acid in FeCl<sub>3</sub> Solution

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