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  • European Open Science Publishing  (4)
  • 2015-2019  (4)
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  • European Open Science Publishing  (4)
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  • 2015-2019  (4)
Year
  • 1
    Online Resource
    Online Resource
    Some Matters relating to Urban Management aiming to Reduction of Environmental Pollution
    European Open Science Publishing ; 2019
    In:  European Journal of Engineering Research and Science Vol. 4, No. 9 ( 2019-09-19), p. 143-148
    Details
    In: European Journal of Engineering Research and Science, European Open Science Publishing, Vol. 4, No. 9 ( 2019-09-19), p. 143-148
    Abstract: Urban areas are constantly developing and rapidly, especially in recent times. According to the United Nations, in 1950 the global urban population accounted for only 29% of the world's population; this figure was 50% in 2009 and will be 60% in 2030 with about 5 billion people. In Vietnam, urban population is projected to account for 38% of the country's population by 2015, 45% of the country's population in 2020 and 50% of the national population by 2025 with about 25 million. In the process of urbanization with growth and development, cities often face significant challenges. These are: 1) Unbalanced development, over-focus on large cities makes the development gap between urban and rural areas more and more increasing; 2) Unsustainable development, rapid technical and social infrastructure systems degrading rapidly, especially housing and environmental sanitation; 3) The administrative management capacity of urban governments must often chase the rapid growth of urban areas; 4) Poverty, crime and unemployment often occur in rapidly growing cities but lack solid economic and technical bases. In order to have an identity of sustainable urban development, development cannot be separated from preserving stability in which urban management is always a very important task.
    Type of Medium: Online Resource
    ISSN: 2506-8016
    URL: Article
    DOI: 10.24018/ejers.2019.4.9.1529
    Language: Unknown
    Publisher: European Open Science Publishing
    Publication Date: 2019
    Location Call Number Limitation Availability
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    Online Resource
  • 2
    Online Resource
    Online Resource
    Some Matters relating to Urban Management aiming to Reduction of Environmental Pollution
    European Open Science Publishing ; 2019
    In:  European Journal of Engineering and Technology Research Vol. 4, No. 9 ( 2019-09-19), p. 143-148
    Details
    In: European Journal of Engineering and Technology Research, European Open Science Publishing, Vol. 4, No. 9 ( 2019-09-19), p. 143-148
    Abstract: Urban areas are constantly developing and rapidly, especially in recent times. According to the United Nations, in 1950 the global urban population accounted for only 29% of the world's population; this figure was 50% in 2009 and will be 60% in 2030 with about 5 billion people. In Vietnam, urban population is projected to account for 38% of the country's population by 2015, 45% of the country's population in 2020 and 50% of the national population by 2025 with about 25 million. In the process of urbanization with growth and development, cities often face significant challenges. These are: 1) Unbalanced development, over-focus on large cities makes the development gap between urban and rural areas more and more increasing; 2) Unsustainable development, rapid technical and social infrastructure systems degrading rapidly, especially housing and environmental sanitation; 3) The administrative management capacity of urban governments must often chase the rapid growth of urban areas; 4) Poverty, crime and unemployment often occur in rapidly growing cities but lack solid economic and technical bases. In order to have an identity of sustainable urban development, development cannot be separated from preserving stability in which urban management is always a very important task.
    Type of Medium: Online Resource
    ISSN: 2736-576X
    URL: Article
    DOI: 10.24018/ejeng.2019.4.9.1529
    Language: Unknown
    Publisher: European Open Science Publishing
    Publication Date: 2019
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
  • 3
    Online Resource
    Online Resource
    Assessment of Integrated Waste Management Systems in Kandahar City, Afghanistan
    European Open Science Publishing ; 2019
    In:  European Journal of Engineering Research and Science Vol. 4, No. 8 ( 2019-08-18), p. 63-69
    Details
    In: European Journal of Engineering Research and Science, European Open Science Publishing, Vol. 4, No. 8 ( 2019-08-18), p. 63-69
    Abstract: Life Cycle Assessment (LCA) of current MSWMS for Kandahar City and two developed integrated waste management systems (IWMSs) were carried out. In addition, field survey was performed to find out the composition of MSW in Kandahar City as this was the base line data for the LCA’s. Field survey at the MSW disposal site of Kandahar City revealed that physical composition of food waste was low (26.89%) and inert (soil, sand, brick, etc.) was high (39.72%) because of constructional activities, and street and canal cleaning. LCA of current MSWMS was carried out with inclusion of fuel energy production, transport, burning used engine oil obtained from vehicles maintenance, and MSW degradation in its system boundary. The result showed that environmental impact potential for global warming, ozone depletion, terrestrial acidification, freshwater eutrophication, human toxicity, photo oxidant formation and particulate matter formation were 1504.6 kg CO2 equivalent, 13 g CFC-11 equivalent, 1.11 kg SO2 equivalent, 645 mg P equivalent, 28.77 kg 1,4-DB equivalent, 0.46 kg C2H4 equivalent plus 2.11 kg NMVOC, and 0.55 kg PM10 equivalent, respectively, per functional unit (FU). MSW degradation and transport were the processes mostly contributing to potential environmental impact. In scenario 1, recycling (RC) avoided energy and raw materials consumption for new production. It could reduce 10.6% (159.3 kg CO2 equivalent) global warming potential (GWP) compared to base scenario. In scenario 2, in spite of recycling, anaerobic digestion was included to recover energy and compost. Scenario 2 showed reduction of 32.6% (490 kg CO2 equivalent) GWP compared to base scenario. Hence, scenario 2 was a better IWMS in term of environmental sustainability to be considered by decision makers in Kandahar City.
    Type of Medium: Online Resource
    ISSN: 2506-8016
    URL: Article
    DOI: 10.24018/ejers.2019.4.8.1450
    Language: Unknown
    Publisher: European Open Science Publishing
    Publication Date: 2019
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
  • 4
    Online Resource
    Online Resource
    Assessment of Integrated Waste Management Systems in Kandahar City, Afghanistan
    European Open Science Publishing ; 2019
    In:  European Journal of Engineering and Technology Research Vol. 4, No. 8 ( 2019-08-18), p. 63-69
    Details
    In: European Journal of Engineering and Technology Research, European Open Science Publishing, Vol. 4, No. 8 ( 2019-08-18), p. 63-69
    Abstract: Life Cycle Assessment (LCA) of current MSWMS for Kandahar City and two developed integrated waste management systems (IWMSs) were carried out. In addition, field survey was performed to find out the composition of MSW in Kandahar City as this was the base line data for the LCA’s. Field survey at the MSW disposal site of Kandahar City revealed that physical composition of food waste was low (26.89%) and inert (soil, sand, brick, etc.) was high (39.72%) because of constructional activities, and street and canal cleaning. LCA of current MSWMS was carried out with inclusion of fuel energy production, transport, burning used engine oil obtained from vehicles maintenance, and MSW degradation in its system boundary. The result showed that environmental impact potential for global warming, ozone depletion, terrestrial acidification, freshwater eutrophication, human toxicity, photo oxidant formation and particulate matter formation were 1504.6 kg CO2 equivalent, 13 g CFC-11 equivalent, 1.11 kg SO2 equivalent, 645 mg P equivalent, 28.77 kg 1,4-DB equivalent, 0.46 kg C2H4 equivalent plus 2.11 kg NMVOC, and 0.55 kg PM10 equivalent, respectively, per functional unit (FU). MSW degradation and transport were the processes mostly contributing to potential environmental impact. In scenario 1, recycling (RC) avoided energy and raw materials consumption for new production. It could reduce 10.6% (159.3 kg CO2 equivalent) global warming potential (GWP) compared to base scenario. In scenario 2, in spite of recycling, anaerobic digestion was included to recover energy and compost. Scenario 2 showed reduction of 32.6% (490 kg CO2 equivalent) GWP compared to base scenario. Hence, scenario 2 was a better IWMS in term of environmental sustainability to be considered by decision makers in Kandahar City.
    Type of Medium: Online Resource
    ISSN: 2736-576X
    URL: Article
    DOI: 10.24018/ejeng.2019.4.8.1450
    Language: Unknown
    Publisher: European Open Science Publishing
    Publication Date: 2019
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
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