Polyoxometalate catalyzed oxidative desulfurization of diesel range distillates from waste tire pyrolysis oil

Zhang, Yulin; Ji, Guozhao; Ullah, Fahim; Li, Aimin

doi:10.1016/j.jclepro.2023.136038

Cited by 15 publications

(7 citation statements)

References 51 publications

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“…This decrease is likely due to the light oxidative activity of p -cymene and the easy oxidation of limonene, which is often present as an impurity in p -cymene. The addition of 10 wt % limonene caused a sharp decrease in DBT conversion from 100 to 60.39%, indicating that limonene has a strong negative impact on the ODS reaction . The presence of nitrogen compounds affects the reduction of the catalytic activity by adsorbing and poisoning the active sites where reactive polyoxoperoxo complexes are formed, as reported by Sahraei et al Negative effects were observed as a result of the strong adsorption of nitrogen compounds and oxidized products on the active sites of the catalysts .…”

Section: Influence Of Reaction Factors On Odsmentioning

confidence: 67%

“…The addition of 10 wt % limonene caused a sharp decrease in DBT conversion from 100 to 60.39%, indicating that limonene has a strong negative impact on the ODS reaction. 154 The presence of nitrogen compounds affects the reduction of the catalytic activity by adsorbing and poisoning the active sites where reactive polyoxoperoxo complexes are formed, as reported by Sahraei et al Negative effects were observed as a result of the strong adsorption of nitrogen compounds and oxidized products on the active sites of the catalysts. 155 The use of g-C 3 N 4 as an organic semiconductor material has gained significant attention as a result of its remarkable efficiency in photocatalysis and fluorescence properties.…”

Section: Influence Of Reaction Factors On Odsmentioning

confidence: 90%

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Assessment of Reaction Parameters in the Oxidative Desulfurization Reaction

Sahraei

2023

Energy Fuels

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Nowadays, the scientific community is actively researching the advancement of a sustainable effective desulfurization technique. The development of alternative or supplementary approaches to desulfurization has rapidly progressed in recent years. Among these approaches, the oxidative desulfurization (ODS) process stands out as a highly promising method. This can be attributed to its notable selectivity, cost-effectiveness, mild reaction conditions, and overall efficiency. It is essential to consider the role of oxidants, catalysts, and operating conditions in optimizing the ODS process. This review examines a comprehensive understanding of the ODS process and its potential applications in desulfurization. It highlights the importance of oxidants, extractant solvent, and other operating conditions in the ODS process and discusses the different groups of catalysts that can be used. In addition, the review examines five distinct groups of heterogeneous catalysts used in the ODS process: transition metal oxides stabilized, polyoxometalates, ionic liquids, carbon materials, and porous materials. The role of ionic liquids in catalytic and extractive oxidation is also explored. In recent years, alternative or supplementary desulfurization methods have been rapidly developed. The review discusses the advantages and disadvantages of each approach. It explores various techniques that can be employed to mitigate the drawbacks associated with each system.

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Section: Influence Of Reaction Factors On Odsmentioning

confidence: 67%

Section: Influence Of Reaction Factors On Odsmentioning

confidence: 90%

Assessment of Reaction Parameters in the Oxidative Desulfurization Reaction

Sahraei

2023

Energy Fuels

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“…Firstly, compared with Keggin type phosphotungstic acid (Fig. S11 †), the tungsten correlation peaks at 195, 312 and 552 cm −1 in PW 12 -DDC showed a red shi, which could be contributed the hydrogen bonding between W-O-W and C-OH, 46 while P 2 W 18 -DDC showed a blue shi, indicating the larger groups of peroxy structure in P 2 W 18 -DDC, making the inuence of hydrogen bonding ineffective. It could be observed the peaks at 1445 cm −1 and 2900 cm −1 intensied, leading to the removal of phosphotungstic acid structure.…”

Section: Mechanism Analysismentioning

confidence: 98%

The influence of hydrogen bonding on the structure of organic–inorganic hybrid catalysts and its application in the solvent-free epoxidation of α-olefins

Ju,

Zhang,

et al. 2024

RSC Adv.

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“…Within this broad context, the issue of used tires emerges as a specific and significant concern. These tires, known for their resistance to mechanical damage, exhibit notable resistance to environmental decomposition, taking over a century to completely disintegrate under the action of microorganisms [40] . Additionally, used tire deposits are not only prone to the risk of fires but also serve as conducive environments for rodents and mosquitoes, contributing to the spread of various diseases [35] .…”

Section: Introductionmentioning

confidence: 99%

Optimizing Performance and Sustainability: A Comprehensive Analysis of an Internal Combustion Engine Powered by Tire and Biomass Pyrolysis Oil

Prudente,

Leal,

Santana

2023

Preprint

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The effective management of waste tires poses a critical and urgent challenge in today's environmental landscape. These discarded tires endure an astonishing degradation period of approximately 600 years, emphasizing the need to urgently adopt techniques that expedite this process in an environmentally responsible manner to protect our planet. Tackling this issue involves exploring the conversion of waste tires into diesel fuel, a promising solution to mitigate the problem. Achieving sustainable progress requires a keen focus on the energy and exergy efficiency of systems, crucial aspects in this endeavor. Therefore, this study is dedicated to a comprehensive and sustainable assessment that compares conventional petroleum-derived diesel (diesel oil) with pyrolytic oils derived from rubber waste, inoperable tires, and Eucalyptus urograndis wood. These oils are intended for use in compression ignition internal combustion engines. The methodological framework of this work involves an in-depth exploration encompassing energy, exergy, and environmental analyses in a steady-state context. Using the Diesel RK software, combustion is simulated with fuel specifications sourced from established literature. The investigation is conducted within a Scania diesel stationary engine under varying scenarios. First, blends of tire pyrolysis oil (TPO) and diesel are examined, specifically in proportions of 10% TPO and 90% diesel, followed by 20% TPO and 80% diesel. Second, mixtures of Eucalyptus urograndis pyrolytic bio-oil (EPO) at ratios of 10% EPO and 90% diesel, as well as 20% EPO and 80% diesel, are considered. Lastly, the study examines the performance of conventional commercial diesel fuel. Through meticulous analysis, discernible outcomes emerge, revealing the energy and exergy performance characteristics. Notably, the parameters studied indicate a notable resemblance between diesel and TPO10 across all cases, with TPO10 emerging as the frontrunner in these analyses, closely followed by TPO20. Moreover, the study incorporates a sustainability perspective, highlighting opportunities for improvement, ecological metrics, and the emission profile of pollutants.

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Polyoxometalate catalyzed oxidative desulfurization of diesel range distillates from waste tire pyrolysis oil

Cited by 15 publications

References 51 publications

Assessment of Reaction Parameters in the Oxidative Desulfurization Reaction

Assessment of Reaction Parameters in the Oxidative Desulfurization Reaction

The influence of hydrogen bonding on the structure of organic–inorganic hybrid catalysts and its application in the solvent-free epoxidation of α-olefins

Optimizing Performance and Sustainability: A Comprehensive Analysis of an Internal Combustion Engine Powered by Tire and Biomass Pyrolysis Oil

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