Total Life Cycle of Polypropylene Products: Reducing Environmental Impacts in the Manufacturing Phase

Mannheim, Viktória; Siménfalvi, Zoltán

doi:10.3390/polym12091901

Cited by 33 publications

(22 citation statements)

References 45 publications

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“…Greener production refers to using environmentally friendly principles, strategies, and technologies to achieve environmentally sustainable production that substitutes manufacturing materials with safer and non-toxic materials [18][19][20]. This is possible by developing better mechanisms that focus on the manufacturing processes of PP through the implementation of the LCA tool [21]. The LCA provides environmental management by promoting an eco-friendly manufacturing approach.…”

Section: Literature Reviewmentioning

confidence: 99%

Life-Cycle Assessment of Polypropylene Production in the Gulf Cooperation Council (GCC) Region

2021

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The environmental impacts of the polypropylene (PP) manufacturing process are not fully understood in the Gulf Cooperation Council (GCC) region. There is a growing interest in assessing the environmental impacts of this highly demanded product, especially for the petrochemical industry sector. This research examines the environmental impacts of the polypropylene manufacturing process using a life cycle assessment (LCA) approach. Gabi software is selected to carry out this research study and quantify the risks associated with manufacturing one ton of polypropylene, chosen as the functional unit for this LCA study. This work has the following merits: (i) an evaluation of environmental impacts specific to GCC region based on actual plant data; (ii) the results in this work can be used to evaluate LCA impacts of PP based products; and (iii) emphasizing the importance of waste management in reducing environmental impacts. This study shows that the polypropylene manufacturing process releases numerous pollutants into the environment, as the gross CO2 emissions for the manufacturing process of PP in the plant located in the GCC region were estimated to be 1.58 kg CO2 eq./kg-PP. The manufacturing process of propylene has extremely high impacts on global warming potential, fossil resource depletion (1.722 kg Oil eq./kg-PP), human toxicity (0.077 kg 1,4-DB eq./kg-PP), acidification (0.0049 kg SO2 eq./kg-PP), and petrochemical oxidant formation (0.0042 kg NMVOC/kg-PP). Additionally, based on the results of this present research, this study proposes possible improvements and alternative solutions such as applying advanced technologies, clean energy, and safe recycling processes in the GCC that are environmentally friendly.

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Section: Literature Reviewmentioning

confidence: 99%

Life-Cycle Assessment of Polypropylene Production in the Gulf Cooperation Council (GCC) Region

2021

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“…The assumed service life of polypropylene in the conditions in which the reference samples were stored is at least 50 years [35], which is mainly the result of the lack of UV radiation (polypropylene is sensitive to radiation with a wavelength of 370 nm) [36,37]. Providing appropriate storage conditions allowed the assumption that the properties of the reference samples would not change significantly over the 7-year storage period.…”

Section: Preparation Of Samples For Tensile Strength Testsmentioning

confidence: 99%

Prediction of Strength Properties of Filling Packets in Selected Cooling Towers

et al. 2021

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The operating conditions of thermoplastic polymer materials determine the changes in their functional properties. Accelerated aging tests do not give a full picture of the changes taking place in the polymer material, hence the conclusions drawn on the basis of exposure of these materials to damaging effects in real operating conditions are particularly important. The aim of the study was to determine the degree of degradation of polypropylene films used in the drainage blocks of cooling towers in a selected power plant in the Silesian voivodship, which allowed forecasting the operating time over a period of 10 years. A number of 600 mm high drip blocks were tested, on which 300 mm high blocks were mounted. The tests were carried out on films subjected to the aging process in the conditions of continuous operation of a cooling tower (almost 100% humidity). The water flow is accompanied by heat exchange, the side effect of which is deposits formation on the surface of the drip blocks, negatively affecting the operation of the cooling tower. The degree of degradation resulting from operational aging was assessed on the basis of the strength properties determined in the static tensile test, thermogravimetric analysis and FTIR spectra. Changes in properties during operation were determined on the basis of the obtained results of the strength tests, which were compared with the tensile strength and elongation at break of reference samples (not subjected to aging in the operating conditions of cooling tower drip blocks). The obtained results were related to the properties of the reference samples not subjected to the degradation process. Based on the collected data, the tensile strength and deformation at fracture after a 10-year service life were predicted.

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“…Due to the development of technologies for growing crops, agricultural machinery manufacturers are faced with the issue of providing new technologies with appropriate machines and units with improved technical characteristics (Karaiev et al, 2021;Havrylenko et al, 2021a;Havrylenko et al, 2021b;Khasawneh et al, 2021;Mannheim and Simenfalvi, 2020).…”

Section: Introductionmentioning

confidence: 99%

“…One of the effective means of improving the technical performance of agricultural machinery is the hydrography of the drive of active working bodies by replacing the existing mechanical with a group hydraulic drive with a series connection of hydraulic motors (Khasawneh et al, 2021;Mannheim and Simenfalvi 2020).…”

Section: Introductionmentioning

confidence: 99%

The Influence of Wave Processes of Hydraulic Oils on the Operation of a Hydraulic Drive

Gunko

Tsurkan

Shargorodskiy

et al. 2022

Agricultural Engineering

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The paper reviews the state of research of wave processes in hydraulic systems of machines, and their impact on the quality and stability of hydraulic drives. As noted in the works of previous researchers, these phenomena occur in hydraulic systems and adversely affect the quality and stability of their work, significantly reducing reliability. The method of construction of mathematical models is offered. A mathematical model of the hydraulic system with two series-connected hydraulic motors is built, taking into account transients. The Runge-Kutta-Feldberg method with automatic change of the integration step was used to solve this model. The application of this method makes it possible to estimate the amplitude and frequency of the pressure wave in real time for each part of the pipeline. As a result of the analysis of the obtained transients it was concluded that at the length of the pressure line in a group hydraulic drive with 2 series-connected hydraulic motors up to 1.5 m, wave processes do not significantly affect the system and in the mathematical model they can be ignored. With the length of the pressure line from 1.5 m to 9 m, the wave processes in the cavity do not affect the stability of the system, although significantly impair the quality of its work. Hydraulic systems with a pressure line length of more than 9 m are not recommended for implementation, because the wave processes in the cavity lead to vibrations and noise in the hydraulic system and require additional measures to eliminate the impact of this phenomenon.

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Total Life Cycle of Polypropylene Products: Reducing Environmental Impacts in the Manufacturing Phase

Cited by 33 publications

References 45 publications

Life-Cycle Assessment of Polypropylene Production in the Gulf Cooperation Council (GCC) Region

Life-Cycle Assessment of Polypropylene Production in the Gulf Cooperation Council (GCC) Region

Prediction of Strength Properties of Filling Packets in Selected Cooling Towers

The Influence of Wave Processes of Hydraulic Oils on the Operation of a Hydraulic Drive

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