Particle emissions from a marine diesel engine burning two kinds of sulphur diesel oils with an EGR &amp; scrubber system: Size, number &amp; mass

Wang, Zhanguang; Zhang, Xiaoqin; Guo, Jian; Hao, Caifeng; Feng, Yongming

doi:10.1016/j.psep.2022.04.012

Cited by 19 publications

(10 citation statements)

References 6 publications

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“…Despite the development of electric cars, today the vast majority of vehicles continue to run on hydrocarbon fuels obtained from fossil resources. , Therefore, the challenge of minimizing the negative impact of fuels on the environment today not only remains but also increases its relevance due to the constant increase in transport and growth in fuel consumption. Desulfurization is one of the basic and fundamental oil refining processes aimed at obtaining petroleum products and fuels with low sulfur content. − This process is one of the key stages in the production of fuels for internal combustion engines that meet the most stringent environmental standards. − Given that sulfur compounds form the most toxic products during the combustion of motor fuels, − special attention is drawn to the reduction of sulfur content to a minimum in all types of fuels for internal combustion engines diesel, , gasoline, and marine fuels. − …”

Section: Introductionmentioning

confidence: 99%

New Approach to Ultrafast Oxidative Desulfurization in the Presence of Sulfated Alumina-Based Catalysts

Akopyan,

Arzyaeva,

Mustakimov

et al. 2024

Energy Fuels

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Simple and highly efficient catalysts obtained by modifying aluminum oxide with sulfuric acid and molybdenum oxide were applied in the process of oxidative desulfurization of model and real diesel fuels. The sequence of modification of the support strongly influences both the chemical composition and acidity of the catalyst. When establishing the correlation between the acidic properties and the content of molybdenum oxide active species, it was shown that the decisive factor influencing the activity of the catalyst is the number of acid sites responsible for the coordination of sulfur-containing substrates. The catalysts were characterized by XRD, nitrogen adsorption−desorption, SEM, TEM, temperature-programmed desorption of ammonia, and X-ray fluorescence. Under optimal conditions of 1.0 wt % of catalyst, a H 2 O 2 /S molar ratio of 4:1, and T = 80 °C, dibenzothiophene was completely oxidized in just 5 min. The 99.9% efficiency of the synthesized S/Mo/Al 2 O 3 catalyst in oxidative desulfurization of the sulfur-rich real diesel fuel (10 100 ppm) in the production of ultralow sulfur diesel was demonstrated in two-step oxidation (5 wt % of catalyst, H 2 O 2 /S molar ratio of 2:1, T = 80 °C).

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Section: Introductionmentioning

confidence: 99%

New Approach to Ultrafast Oxidative Desulfurization in the Presence of Sulfated Alumina-Based Catalysts

Akopyan,

Arzyaeva,

Mustakimov

et al. 2024

Energy Fuels

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“…However, the PM in the accumulation mode was not reduced and the number of PM did not decrease. Wang et al 41 established an EGR system combined with a scrubber on a marine diesel engine, and found that the scrubber has a significant effect in removing PM, with an efficiency of more than 98%.…”

Section: Introductionmentioning

confidence: 99%

Combined removal experiment of NOx, SO₂ and PM from marine diesel exhaust gas with SCR-DryEGCS system

Shi,

Zhu,

Yang

et al. 2023

International Journal of Engine Research

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Pollutants such as nitrogen oxides (NOx), sulfur oxides (SO2), and particulate matter (PM) in ship exhaust have a great impact on human health, environment and climate conditions. Combined selective catalytic reduction technology and dry exhaust gas cleaning technology, a test rig (SCR-DryEGCS system) for WD10C195-15 marine four-stroke high speed diesel engine was established to analyse the removal effect of NOx, SO2, and PM from exhaust gas. The SCR-DryEGCS system removed 89.03%, 99%, and 96% of NOx, SO2, and PM respectively. And also compared with low sulfur oil combined SCR method to verify the feasibility of the SCR-DryEGCS method. It shows that the SCR-DryEGCS system has its own advantages and has a good effect on the removal of NOx, SOx, and PM at the same time.

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“…The primary PM emission from diesel engines is carbon black. The accumulation mode encompasses the predominant distribution of particle size and particle mass, with concentrations between 10 nm to 30 µm [3]. The particles in this mode exhibit diverse shapes, including individual particles, long chains, or aggregated masses of larger particles [4].…”

Section: Introductionmentioning

confidence: 99%

“…The particles in this mode exhibit diverse shapes, including individual particles, long chains, or aggregated masses of larger particles [4]. The specific shape of a particle is two parameters according to its generation time and the range of sizes it falls into [3,4]. Describes the particle size division into the following modes: Nucleation mode (5-50 nm); this mode often consists of volatile organic compounds (VOCs), sulphur compounds, and solid carbon that develop during exhaust dilution and cooling.…”

Section: Introductionmentioning

confidence: 99%

The Influence of Direct Non-Thermal Plasma Treatment on Soot Characteristics under Low Exhaust Gas Temperature

Iamcheerangkoon,

Chollacoop,

Sawatmongkhon

et al. 2023

E3S Web Conf.

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This study aimed to assess the effectiveness of nonthermal plasma (NTP) technology utilizing a dielectric barrier discharge (DBD) reactor, both with and without exhaust gas recirculation (EGR), in reducing soot particles and their impact on nitrogen oxides (NOx). The experiment involved maintaining a constant flue gas flow rate of 10 l/min, employing high voltage values of 0, 6, and 10 kV, fixed frequency of 500 Hz and setting the various IMEP of 5, 6, and 7 bar and the engine speed at 2,000 rpm. The findings demonstrated that NTP was successful in removing NOx by approximately 16.84% and 17.01%, achieving particle matter (PM) removal efficiencies of around 60.79% and 81.13%, and effectively reducing activation energy by approximately 18.34% and 31.5% (with and without EGR, respectively) at a high voltage of 10 kV. These results highlight the potential of NTP technology in mitigating emissions and reducing the environmental impact associated with diesel engines.

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Particle emissions from a marine diesel engine burning two kinds of sulphur diesel oils with an EGR & scrubber system: Size, number & mass

Cited by 19 publications

References 6 publications

New Approach to Ultrafast Oxidative Desulfurization in the Presence of Sulfated Alumina-Based Catalysts

New Approach to Ultrafast Oxidative Desulfurization in the Presence of Sulfated Alumina-Based Catalysts

Combined removal experiment of NOx, SO₂ and PM from marine diesel exhaust gas with SCR-DryEGCS system

The Influence of Direct Non-Thermal Plasma Treatment on Soot Characteristics under Low Exhaust Gas Temperature

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Particle emissions from a marine diesel engine burning two kinds of sulphur diesel oils with an EGR & scrubber system: Size, number & mass

Cited by 19 publications

References 6 publications

New Approach to Ultrafast Oxidative Desulfurization in the Presence of Sulfated Alumina-Based Catalysts

New Approach to Ultrafast Oxidative Desulfurization in the Presence of Sulfated Alumina-Based Catalysts

Combined removal experiment of NOx, SO2 and PM from marine diesel exhaust gas with SCR-DryEGCS system

The Influence of Direct Non-Thermal Plasma Treatment on Soot Characteristics under Low Exhaust Gas Temperature

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Product

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Combined removal experiment of NOx, SO₂ and PM from marine diesel exhaust gas with SCR-DryEGCS system