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Life-Cycle Assessment on Nickel-Metal Hydride Battery in Hybrid Vehicles: Comparison between Regenerated and New Battery

100%
Wang S., Yu J.
Investigationes Linguisticae
|
2019
|
issue 43
57-79
EN
To reduce air pollution and avoid petroleum exhaustion problem, many advanced countries, especially Japan installed Hybrid Vehicles (HV). As the use of HV popularizes around the world, there will be a huge amount of End-of-Life HV in the near future, and the proper treatment of these End-of-Life HVs, especially the waste NiMH (Nickel-Metal Hydride) batteries, will become a serious problem. Currently, the recycling of NiMH battery is gaining substantial attention. However, instead of recycling waste NiMH batteries directly, regenerating and reusing a used NiMH battery for a secondhand HV will largely reduce waste battery generation and demand for new NiMH battery. However, the environmental impact of regenerating and reusing a waste NiMH battery was not clear and has not been compared with the situation when using a brand-new NiMH battery. The purpose of this research is to compare the environmental performance (CO2 emission) of regenerated NiMH battery and brand-new NiMH battery in an HV from their production to usage stage and to discuss the validity of using a regenerated NiMH in Japan and in other countries using the Life-Cycle Assessment (LCA) approach. This research analyzed the composition of a NiMH battery and the CO2 emission during the manufacture, transportation, regeneration and usage process of a NiMH battery. The data used in this research was collected from reports and data published by the government of Japan, vehicle makers and previous studies. Original field survey and interview research on battery regeneration operators were also performed. The result showed that there is not a big difference in environmental effect. Moreover, by doing so, a huge amount of resource will be saved from battery manufacturing process while reducing waste generation. It is recommended that waste NiMH battery should be regenerated and reused in HV instead of being recycled directly in the future.
2
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Life cycle assessment of industrial and urban wastewater treatment plant

86%
Skoczko I., Szatyłowicz E., Horysz M., Malinowski Ł., Tunc A., Cibulskiene D., Paradowska M., Platje J. J.
Economic and Environmental Studies
|
2016
|
vol. 16
|
issue 1(37)
147-158
EN
Life Cycle Assessment (LCA) is a technique to assess environmental impacts associated with all the stages of a product's life from cradle to grave. With raising human population and the increasing industrialization, there has been very substantial increase in waste products too. Nowadays the importance of the wastewater treatment (domestic and industrial wastewater) need more attention in terms of the ecological balance. In this article a study was conducted and focused on the comprehension of the methods which are used for life cycle assessment and evaluation of environmental effects. In the proceeding sections of this study, Life Cycle Assessment method was used for evaluation the environmental advantages and expenses of other different wastewater treatment technologies and standards. An inventory of the input (chemical substances, electrical energy etc.) and output (emissions releases into the water, earth and the air, amount of sludge etc.) of the plants, where wastewater is treated, was documented. Potential environmental effects of the input and the output was assessed too. Finally, the obtained results were interpreted with regard to the objectives of LCA. With regard to these studies, attention was drawn to the importance of wastewater treatment plants which are regularly managed. Utilization of treatment systems resources and its effects on human health and ecology were assessed, finally the most suitable methods of wastewater treatment methods were tried to be explained with best examples.
PL
Ocena cyklu życia (LCA) jest techniką mającą na celu identyfikację potencjalnych zagrożeń środowiska związanych ze wszystkimi etapami życia produktu „od kołyski do grobu”. Wraz z rozwojem cywilizacji nastąpił znaczny wzrost ilości powstających ścieków i odpadów. Obecnie oczyszczanie ścieków zarówno bytowych jak i przemysłowych wymaga uwzględnienia zasad równowagi ekologicznej i zrównoważonego rozwoju. W niniejszym artykule przeprowadzono badania dotyczące zastosowania oceny cyklu życia produktu w odniesieniu do technologii oczyszczania ścieków. Z interpretacją LCA wiąże się także ocena oddziaływania na środowisko danego układu bądź obiektu oczyszczania ścieków. W początkowej części opracowania zaprezentowano metodę oceny cyklu życia, która została wykorzystana do analizy korzyści i kosztów różnych technologii oczyszczania ścieków. Uzyskane wyniki zinterpretowano w odniesieniu do celów polityki LCA. Szczególną uwagę zwrócono na znaczenie oczyszczalni ścieków oraz ich wpływ na środowisko naturalne i zdrowie ludzi. Celem pracy było także przedstawienie w użyciu narzędzia LCA poprzez dokonanie analizy dwóch wariantów oczyszczania ścieków pochodzących z różnych fabryk produkujących opakowania kartonowe.
3

LCA analysis as a tool to assess the impact of electricity production on the environment / Analiza LCA jako narzędzie służące do oceny wpływu produkcji energii elektrycznej na środowisko

86%
Dzikuć M., Piwowar A.
Management
|
2013
|
vol. 17
|
issue 1
382-392
EN
The paper presents a method for Life Cycle Assessment LCA (Life Cycle Assessment) to evaluate the ecological characteristics of products, presents a procedure for the implementation of the LCA with an overview of the various stages. Moreover the validity of using this method to evaluate the energy sector. The article also points to the directions of the Polish energy sector and pointed to the need to determine the environmental risks associated with the production of energy. Energy industry in Poland, the structure of energy production requires special supervision. The use of coal and lignite as a primary fuel results in significant the environmental impact.
4

Computer Applications in Eco-efficiency Assessment in Logistics

72%
Burchart-Korol D., Czaplicka-Kolarz K.
Management
|
2013
|
vol. 17
|
issue 2
232-244
EN
Computer Applications in Eco-efficiency Assessment in Logistics The goal of this study is to present computer applications in eco-efficiency assessment in Logistics based on Umberto for Ecoefficiency software. The study defines the major components of eco-efficiency analysis like: Life Cycle Assessment (LCA) and Material Flow Analysis (MFA). According to ISO 14045:2012 eco-efficiency assessment is a quantitative management tool which enables the study of life-cycle environmental impacts of a product system along with its product system value for a stakeholder. Within eco-efficiency assessment, environmental impacts are evaluated using Life Cycle Assessment (LCA). The eco-efficiency methodology is proposed with using Umberto for Eco-efficiency software. Therefore, this article presents the results of Life Cycle Assessment according to methods used in Umberto software on the case study of valuation of the different logistic possibilities. The results of this study can be used as the first step in performing a full cradle-to-grave eco-efficiency that includes all phases of the logistics system.
5

Environmental management with the use of LCA in the Polish energy system

72%
Dzikuć M.
Management
|
2015
|
vol. 19
|
issue 1
89-97
EN
The article presents an assessment of the Life Cycle Assessment (LCA) and pointed out its advantages in the analysis of the environmental impact of electricity generation. The article also points to the direction of development of the Polish energy sector and pointed out the need to determine the environmental risks associated with the production of electricity. The use of coal and lignite as the primary fuel causes a significant burden on the environment. An analysis by the method of LCA based on data obtained from two Polish power plants. The results were compared and identified the cause of the existing differences in the results obtained. The article sets out the actions that contributed to reduce the negative impact on the environment, taking place during the production of electricity.
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