Advanced searches left 3/3

Catalytic Converter - Springer Nature

Summarized by Plex Scholar
Last Updated: 15 January 2023

* If you want to update the article please login/register

Study of 4A and 5A zeolite as a catalyst material in a catalytic converter for NO emission reduction in a CI engine

Heavy vehicular emissions are the most significant contributors to atmospheric air pollution, according to the most significant contributors to atmospheric air pollution. Most catalytic materials work in narrow temperature ranges, and they are also costly. The zeolite 4A and zeolite 5A powders were converted into a solid mold and tested as a catalystizing material in the converter in this research. In the 50:50 percent ratio of diesel plastic blend for this study, waste plastics were pyrolyzed into oil and blended with diesel in a 50:50 ratio of diesel plastic blend. For ZSM 5A and 12% and 22% respectively, nitrogen oxide and hydrocarbon were reduced by 18% and 222% respectively, with ZSM 5A and 12% and 16% respectively. ZSM 4A and ZSM 4A's Nitrogen oxide and hydrocarbon were reduced by 18% and 22% respectively.

Source link: https://doi.org/10.1007/s11356-023-25229-9


Experimental Investigation Towards Enhancement of Catalytic Converter by Modifying the Elements of Honeycomb Section

The bulk of the air pollution is caused by automobiles, factories, and living things. The vehicles are the biggest contributors to increasing air pollution. The toxicity of the exhaust gas is reduced alongside increasing the effectiveness by the technology-based industrial catalytic converter, where the valuable components of the exhaust gas conversion, such as palladium, rhodium, and platinum, are replaced, which are both costly and scarce, are greatly reduced. The project's primary aim is to minimize harmful gas leaks, minimize engine backpressure, and determine the value of exhaust gases under various engine load conditions, including and without the new catalytic converter.

Source link: https://doi.org/10.1007/978-981-19-4606-6_27


Switchable-hydrophilicity solvent liquid–liquid microextraction combined with smartphone digital image colorimetry for the determination of palladium in catalytic converters

The determination of palladium as a metal chelate with N, N -benzoylthiourea was assisted by smartphone digital image colorimetry for determination of palladium as its metal chelate N, N -benzoylthiourea. To determine palladium's concentration, the blue channel was used. The hydrophilicity-switching reaction occurred within 1. 0 min extraction time and 600 bcL of triethylamine as the extraction solvent and 4. 0 mL of 10 M sodium hydroxide as the extraction catalyst. The sample solution and the detection camera were separated by a distance of 7. 0 cm, a point of concern for 175. 0 px2 at a detection wavelength of 480. 0 nm and 30. 0% of the monochromatic light source. The new scheme was used for the determination of palladium in catalytic converters with percentage relative standard deviations below 4. 0 percent ranging from 95. 7 to 103. 7%.

Source link: https://doi.org/10.1007/s44211-022-00204-5


Dynamic evaluation of environmental impact for three-way catalytic converter with temporal variation life cycle method

Methods Dynamic emission factors of pollutants from the rapid aging test and the actual vehicle age test were first determined. A new life cycle assessment technique evaluated Then, TWC's dynamic environmental benefits and dynamic environmental burdens throughout its entire life cycle. CO had the highest emission levels compared to NO_x and THC during the rapid aging test and the real vehicle ageing test, according to reports and discussion. HTP soared by 51. 6 percent compared to TWC's static environmental burdens. Both RVA and RA tests are effective ways to obtain the dynamic data needed for TWC's dynamic life cycle assessment.

Source link: https://doi.org/10.1007/s11367-022-02092-3

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions