Sensitivity analysis of an ammonium salt formation model applied to pollutant removal in marine diesel exhaust gases

Rovira, Marc; Engvall, Klas; Duwig, Christophe

doi:10.1016/j.fuel.2022.126001

Cited by 4 publications

(3 citation statements)

References 89 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…P.W. Sammarco et al 31) , M. Rovira et al 32) found that high molecular weight petroleum hydrocarbons settle to the bottom, so that both sediment and sedimentassociated organisms have significantly higher concentrations than in the water column. They are most likely transported into the sediments along with other settling substances, organic or inorganic 33) .…”

Section: Discussionmentioning

confidence: 99%

Comparative Analysis of Marine Fish for the Content of Pollutants in the Eurasian Region

Suyunova,

Kozhagulova,

Suiin

2024

Evergreen

View full text Add to dashboard Cite

The aim of the work was to measure the concentration of organochlorine insecticides, heavy metals, and hydrocarbons from the oil series in samples of marine fish from diverse oceans in the region. To achieve the goal, the methods of high-performance liquid chromatography and atomic absorption spectrometry, as well as the statistical method, were used. A total of 250 marine fish samples collected from the Caspian, Black, Baltic, Azov, and Okhotsk seas were analysed. The results of the study showed significant concentrations of organochlorine pesticides, including isomers of hexachlorocyclohexane (HCH), in fish living in the Caspian, Black and Baltic Seas. Specifically, the Caspian Sea is found to have the highest HCH content of 0.2123 mg/kg, while the Black Sea and Baltic Sea show 0.2031 mg/kg and 0.0187 mg/kg respectively. Heavy metals such as lead (Pb), cadmium (Cd), and chromium (Cr) have also been found in fish samples. A comparative analysis of the content of pollutants in marine fish of the Eurasian region allows to draw the following conclusions: in fish living in the Caspian, Black and Baltic seas, there is a high concentration of organochlorine pesticides, heavy metals and petroleum hydrocarbons. This indicates significant pollution of the marine ecosystem by these substances. These studies highlight the need to control pollution of marine fish with pollutants and monitor the state of marine ecosystems to ensure the safety of fish consumption and public health.

show abstract

Section: Discussionmentioning

confidence: 99%

Comparative Analysis of Marine Fish for the Content of Pollutants in the Eurasian Region

Suyunova,

Kozhagulova,

Suiin

2024

Evergreen

View full text Add to dashboard Cite

show abstract

“…A large amount of hazardous gas SOx will be discharged into the atmosphere during the use of automotive fuels, such as gasoline and diesel because of the high sulfur content. − Sulfides are easy to poison the catalysts used for vehicle exhaust purification, further increasing the emission of toxic gases such as NOx and CO. , Therefore, all countries in the world have formulated strict emission standards to limit the sulfur content of automotive fuels − of which the VI fuel standards in China limit the sulfur mass fraction of automotive gasoline and diesel to no more than 10 mg/kg. Since gasoline and diesel produced by FCC process are the main sources of automotive fuels and the sulfur content is usually high, , it is of practical significance to understand the formation mechanisms and conversion paths of sulfides in the FCC, gasoline hydrotreating, and diesel hydrotreating processes.…”

Section: Introductionmentioning

confidence: 99%

Molecular Level Simulation of the Conversion and Distribution of Sulfides in the Fluid Catalytic Cracking and Hydrotreating Processes to Improve the Cleanliness of Gasoline and Diesel

Wang,

Qin,

et al. 2024

Ind. Eng. Chem. Res.

View full text Add to dashboard Cite

To meet the requirements of fuel standards, the coupling simulations of fluid catalytic cracking (FCC) and hydrotreating processes were carried out to analyze the conversion and distribution of sulfides at the molecular level to improve the cleanliness of gasoline and diesel. According to the structure-oriented lumping (SOL) method and the reaction mechanism, the transformation laws and distributions of sulfides in gasoline and diesel were studied. When the FCC reaction temperature increased, the content of dimethyl-thiophene in heavy gasoline and the content of dimethyl-dibenzothiophene in diesel increased due to the stronger promotion of high temperature to the side chain cracking reactions. As gasoline hydrotreating reaction temperature rose from 220 to 280 °C, the content of dimethyl-thiophene in heavy gasoline reduced from 4.77 to 0.98 mg/kg since higher temperature promotes the hydrodesulfurization reactions. The coupling simulation could provide effective guidance at the molecular level for reducing the content of sulfides in heavy gasoline and diesel.

show abstract

“…Int ernational Maritime Organization (IMO) states that more than 90% of the volume of world trade is by sea [1] [2] and almost all commercial ships use diesel engines as their prime mover [3]. The main reason marine engines are built differently from industrial engines is the risk of fire and corrosion [4].…”

Section: Introductionmentioning

confidence: 99%

Testing the Inclination of an Industrial Diesel Engine Under Static Conditions According to the International Convention for the Safety of Life at Sea (SOLAS) Regulations

Suardi

Tasrief²,

Nurcholik³

et al. 2023

IJMEIR

View full text Add to dashboard Cite

many industrial diesel engines are used as the main engine of the ship. Apart from being relatively cheaper, the availability of industrial engine is also very abundant, and the repair process is also not too complicated. However, when viewed from the SOLAS regulations related to the main requirements for a ship propulsion engine, it must also be considered, because it operates at sea, so that ship engines must be tougher than industrial engines, especially related to engine performance when experiencing rolling and trim. The purpose of this research is to test the feasibility of industrial diesel engines being operated on ships. By using a water-cooled single-cylinder diesel engine which is commonly used in small ships. The experimental method was used in this research to obtain optimal results according to the conditions in the field, the engine was made in three variations, namely the normal condition (without inclination angle), the rolling condition of 15 0 , and the trim condition of 5 0 which complies with SOLAS regulations related to the inclination angle. The results of the research obtained torque, Specific Fuel Consumption (SFC), and engine thermal efficiency in various engine variations. The highest torque is in the condition of the 15 0 rolling engine, which is 13.87 N.m. The lowest SFC is in the condition of the 15 0 rolling engine, which is 194 gr/kW.h. and the highest thermal efficiency was also obtained at the condition of the 15 0 rolling engine, namely 44.9%. The higher the engine speed, the higher the engine performance value in rolling 15 0 conditions, and the 5 0 trim conditions experience an increasing trend, but in low rotation conditions (750 Rpm) the performance decreases. Seeing the results obtained, a water-cooled single-cylinder diesel engine can be used as a small boat propulsion engine.

show abstract

Sensitivity analysis of an ammonium salt formation model applied to pollutant removal in marine diesel exhaust gases

Cited by 4 publications

References 89 publications

Comparative Analysis of Marine Fish for the Content of Pollutants in the Eurasian Region

Comparative Analysis of Marine Fish for the Content of Pollutants in the Eurasian Region

Molecular Level Simulation of the Conversion and Distribution of Sulfides in the Fluid Catalytic Cracking and Hydrotreating Processes to Improve the Cleanliness of Gasoline and Diesel

Testing the Inclination of an Industrial Diesel Engine Under Static Conditions According to the International Convention for the Safety of Life at Sea (SOLAS) Regulations

Contact Info

Product

Resources

About