HCCI engine performance using fuel mixture of H2 and H2O2

Ali, Kabbir; Amna, Riffat; Ali, Mohamed I. Hassan

doi:10.1016/j.enconman.2022.116588

Cited by 16 publications

(3 citation statements)

References 56 publications

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“…One of the greatest challenges is the removal of heavy metal ions from the water, which can be sorted by utilizing sulfur copolymers. Sulfur polymers have shown promising potential for the removal of heavy metals from water due to their unique properties. ,,,− The following are some key points regarding the use of sulfur polymers for heavy metal removal. Sulfur polymers possess a high affinity for heavy metals, allowing them to effectively adsorb and bind with metal ions present in water.…”

Section: Challenges and Future Perspectivesmentioning

confidence: 99%

A Comprehensive Exploration of Polysulfides, From Synthesis Techniques to Diverse Applications and Future Frontiers

Amna,

Alhassan

2024

ACS Appl. Polym. Mater.

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The present review offers a concise overview of polysulfides, focusing on various techniques for synthesizing polymers with high sulfur content through direct elemental sulfur polymerization. These methodologies encompass condensation, ionic, and free radical polymerizations. Of particular interest is the extensively discussed free radical polymerization type known as inverse vulcanization. The report delves into the diverse applications of polysulfides, spanning areas such as lithium−sulfur batteries, self-healing materials, IR imaging technology, energy storage, controlled fertilizer, antimicrobial agents, oil spill remediation, water-soluble polymers, and separation science, specifically in metal removal from wastewater. Polysulfides showcase distinctive properties, including optical, thermoresponsive, mechanical, and electrochemical attributes. However, it is crucial to acknowledge that this field is not without its challenges. The review briefly explores the current challenges and potential future developments associated with polysulfides. Additionally, it provides a cursory examination of the role of simulations, modeling, and artificial intelligence in advancing the understanding and applications of polysulfides.

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Section: Challenges and Future Perspectivesmentioning

confidence: 99%

A Comprehensive Exploration of Polysulfides, From Synthesis Techniques to Diverse Applications and Future Frontiers

Amna,

Alhassan

2024

ACS Appl. Polym. Mater.

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“…The effect of various physical and chemical parameters on adsorption was not explored in the previous experiments of mercury removal by sulfur-porous copolymers, for instance, the impact of water flow rate, temperature, the concentration of mercury, and porous sulfur copolymer. In this manuscript, we analyze the effects of flow rates, temperature, and concentrations on mercury adsorption through computational fluid dynamics. − Computational fluid dynamics (CFD) is a mathematical tool for analyzing complex problems involving fluid–gas, fluid–solid, and fluid–fluid mixtures. − Different partial differential equations are used to explain the process’s physical perspective to understand the fluid’s dynamics. The primary purpose of the CFD tool is to authentically predict the impact of fluid flows under different conditions (e.g., fluid flow, temperature, concentration, velocity, viscosity, etc.)…”

Section: Introductionmentioning

confidence: 99%

Computational Fluid Dynamics Analysis of Mercury Adsorption by Inverse-Vulcanized Porous Sulfur Copolymers

Amna

Ali

Alhassan

2023

Ind. Eng. Chem. Res.

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This computational study analyzes mercury adsorption from wastewater using inversed-vulcanized porous sulfur copolymers. Two inverse-vulcanized sulfur copolymer foams reported previously were selected for this study. These foams were prepared using poly (sodium 4-styrene sulfonate) and sodium chloride as porogens. Mercury adsorption on these copolymer foams was studied and compared to elemental sulfur. Various process parameters were examined, such as mercury-ion concentrations, the volumetric flow rate of wastewater, temperature, and thickness of the adsorbent material. Studying all of these parameters helps optimize the process conditions at high adsorption capacity and predict suitable operational parameters for industrial applications. The CFD model results are validated with the experimental results at fixed and varied operational conditions. The inverse-vulcanized sulfur copolymer foams prepared by using the poly (sodium 4-styrene sulfonate) commoner present high porosity (59.09%), less density (0.53 g/cm 3 ), and smaller particle size (20−50 μm). Therefore, it exhibits high adsorption efficiency in the case of experimental (244 μg/g) and CFD simulations (249 μg/g) compared to other samples.

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“…Maize is a crucial crop for food, economy, and feed because of its high nutritional content and numerous uses [2,3]. Maize kernels are abundant in starch, proteins, fats, and water-soluble polysaccharides, vitamins, minerals, and other nutrients [4][5][6]. Among them, starch is an important nutritional component, accounting for about 65-70% of the entire endosperm [7][8][9].…”

Section: Introductionmentioning

confidence: 99%

The Effect of Sowing Date on the Nutritional Quality of Kernels of Various Maize Varieties in Northeast China

Liu,

He,

et al. 2023

Agronomy

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Suitable sowing dates are crucial in plant production to cope with climate change and ensure high-quality crop production. We hypothesize that the analysis of the effect of sowing date and climatic resources on maize kernel nutritional quality (KNQ) (crude fiber, starch, crude fat, and crude protein) might contribute to selecting appropriate sowing dates according to different production requirements and meteorological conditions. The study was based on five main local varieties in three experimental stations (early-maturing variety: Zengyu1317, Hongshuo298, Keyu15; medium-maturing variety: Xianyu335; late-maturing variety: Danyu405) in Northeast China from 2018 to 2021. The results showed that: (1) the average starch content (67.7%) and crude protein content (9.1%) of early-maturing variety maize and the crude fiber content (3.3%) and crude fat content (3.6%) of late-maturing variety maize were the highest in Northeast China; (2) the sowing date had no significant effect on the starch content, but significantly affected the crude protein and crude fiber contents, the kernel protein content of early-maturing variety maize was the highest when the sowing date was delayed for 5 days (9.8%), and the crude fiber content of medium-maturing and late-maturing variety maize (4.3% and 5.39%, respectively) was the highest when the sowing date was advanced by 10 days; (3) during the reproductive growth stage, the more light and heat resources, the less starch content and crude protein content and the more crude fat content; when the diurnal temperature range increased by 1 °C, the crude fat content decreased by 0.28%, and the crude protein content increased by 0.77%; for every 100 mm more precipitation, crude fiber and crude protein content decreased by 0.68% and 0.73%, respectively, and fat content increased by 0.15%. Our results provide a meaningful reference for maize production to cope with climate change and improve kernel quality.

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HCCI engine performance using fuel mixture of H2 and H2O2

Cited by 16 publications

References 56 publications

A Comprehensive Exploration of Polysulfides, From Synthesis Techniques to Diverse Applications and Future Frontiers

A Comprehensive Exploration of Polysulfides, From Synthesis Techniques to Diverse Applications and Future Frontiers

Computational Fluid Dynamics Analysis of Mercury Adsorption by Inverse-Vulcanized Porous Sulfur Copolymers

The Effect of Sowing Date on the Nutritional Quality of Kernels of Various Maize Varieties in Northeast China

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