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Technology for manufacturing catalytic systems using a pilot line for precious metal recovery

Fuć Paweł, Sokolnicka-Popis Barbara, Ziółkowski Andrzej, Bednarek Maciej, Jagielski Aleks, Michałowska Anna

Combustion Engines

2023

R. 62, nr 3

89--96

The subject of this article is to compare the effectiveness of commercial exhaust gas aftertreatment systems such as TWC and GPF with their prototype variant, which is produced on a pilot line that allows the recovery of precious metals. What's more, the said production line allows the manufacture of components compliant with Euro IV, V and VI standards. Depending on the model of the monolith made, it is possible to reduce the consumption of precious metal raw materials by up to 20%, which should be considered a significant result. The article describes in detail the manufacturing process of metal carriers using the mentioned technology. A dynamic engine dynamometer was used for tests verifying the effectiveness of particulate filters, on which the RDE test route covering the area of the Poznan agglomeration was mapped. The tests performed are particularly important, as it should be borne in mind that according to the forecast in 2025, internal combustion engines powered by conventional fuels will account for 85% of all propulsion sources. In addition, the increasing environmental awareness of vehicle users and manufacturers requires solutions to reduce PM emissions into the atmosphere in both mass and number.

Analysis of emissions and fuel consumption from forklifts by location of operation

Ziółkowski Andrzej, Fuć Paweł, Jagielski Aleks, Bednarek Maciej

Combustion Engines

2022

R. 61, nr 2

30--35

The share of road transport accounts for more than 85% of the total structure of freight transportation. In this process, mainly motor vehicles are used to carry out the freight work. In addition to them, forklifts are also used, whose task is to load and unload goods. These vehicles are categorized as NRMM (Non-Road Mobile Machinery). Forklift trucks have internal combustion or electric drive. The paper presents an analysis of the emission of pollutants and fuel consumption from forklift trucks equipped with diesel and LPG power. The study uses the author's test taking into account the raising/lowering of a pallet, a loaded and unloaded run. The measurements were made in the warehouse and outside the warehouse using the Portable Emission Measurement System (PEMS) equipment. The aim was to show the influence of loading conditions on the emission of pollutants and fuel consumption.