A Multianalytical Approach for the Assessment of Toxic Element Distribution in Soils From Mine and Quarry Areas

Arenas-Lago, Daniel; Rodríguez-Seijo, Andrés; Couce, L. Andrade; Vega, F.A.

doi:10.1016/b978-0-12-809588-1.00002-5

Cited by 6 publications

(2 citation statements)

References 193 publications

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“…SEM-EDX was used to study the morphology of the synthesized catalyst. EDX was utilized to learn more about the elemental composition [21]. SEM and SEM-EDX were performed with the Quanta FEG250 equipment installed at the National Research Centre (NRC) of Egypt.…”

Section: Catalyst Characterizationmentioning

confidence: 99%

Optimization of Biodiesel Production from Waste Cooking Oil Using Nano Calcium Oxide Catalyst

Tayeb,

Abdel-Hamid,

Osman

et al. 2023

Chem Eng & Technol

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The use of nano calcium oxide as a catalyst in biodiesel production has gained attention due to its high catalytic activity, low cost, and environmental friendliness. It efficiently converts triglycerides to fatty acids and methyl esters. In the present study, nano CaO was prepared by precipitation and characterized by various techniques. The results showed that the nano CaO has high purity, nanoscale crystal size, good thermal stability, and high specific surface area. Biodiesel was produced by transesterification from waste cooking oil, methanol, and the nano catalyst. Response surface methodology was applied to predict the optimum parameters for the production of the biodiesel based on its yield. The produced biodiesel was characterized by FTIR spectroscopy and GC‐MS and evaluated according to ASTM D6571.

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Section: Catalyst Characterizationmentioning

confidence: 99%

Optimization of Biodiesel Production from Waste Cooking Oil Using Nano Calcium Oxide Catalyst

Tayeb,

Abdel-Hamid,

Osman

et al. 2023

Chem Eng & Technol

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“…Complexation occurs as a result of ionic or covalent bonding. Once complexed, the compounds of interest become much more soluble in water and the obtained complex may serve as a drug delivery system [32]. Notable complexing ligands include ethylenediaminetetraacetic acid (EDTA), ethylenediamine disuccinate, or even citric acid [33,34].…”

Section: Complexing Ligandsmentioning

confidence: 99%

Water as Green Solvent: Methods of Solubilisation and Extraction of Natural Products—Past, Present and Future Solutions

2022

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Water is considered the greenest solvent. Nonetheless, the water solubility of natural products is still an incredibly challenging issue. Indeed, it is nearly impossible to solubilize or to extract many natural products properly using solely water due to their low solubility in this solvent. To address this issue, researchers have tried for decades to tune water properties to enhance its solvent potential in order to be able to solubilise or extract low-water solubility compounds. A few methods involving the use of solubilisers were described in the early 2000s. Since then, and particularly in recent years, additional methods have been described as useful to ensure the effective green extraction but also solubilisation of natural products using water as a solvent. Notably, combinations of these green methods unlock even higher extraction performances. This review aims to present, compare and analyse all promising methods and their relevant combinations to extract natural products from bioresources with water as solvent enhanced by green solubilisers and/or processes.

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Synthesis of a three-dimensional reduced graphene oxide aerogel decorated with (Fe3O4@SiO2–NH2)–COC2H4COOH for adsorption of heavy metal cations

Fayyazi

Haghshenas

Kowsari

et al. 2023

Journal of Molecular Liquids

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A Multianalytical Approach for the Assessment of Toxic Element Distribution in Soils From Mine and Quarry Areas

Cited by 6 publications

References 193 publications

Optimization of Biodiesel Production from Waste Cooking Oil Using Nano Calcium Oxide Catalyst

Optimization of Biodiesel Production from Waste Cooking Oil Using Nano Calcium Oxide Catalyst

Water as Green Solvent: Methods of Solubilisation and Extraction of Natural Products—Past, Present and Future Solutions

Synthesis of a three-dimensional reduced graphene oxide aerogel decorated with (Fe3O4@SiO2–NH2)–COC2H4COOH for adsorption of heavy metal cations

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