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Wyszukujesz frazę "Adeel, Ahmad" wg kryterium: Autor

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    Wyświetlanie 1-4 z 4
    Tytuł:
    Use of Unmanned Aerial Vehicles for 3D topographic Mapping and Monitoring the Air Quality of Open-pit Mines
    Wykorzystanie bezzałogowych statków powietrznych (dronów) do monitorowania jakości powietrza w odkrywkowych kopalniach węgla kamiennego
    Autorzy:
    Bui, Xuan‑Nam
    Lee, Changwoo
    Nguyen, Quoc Long
    Adeel, Ahmad
    Cao, Xuan Cuong
    Nguyen, Viet Nghia
    Le, Van Canh
    Nguyen, Hoang
    Le, Qui Thao
    Duong, Thuy Huong
    Nguyen, Van Duc
    Powiązania:
    https://bibliotekanauki.pl/articles/317913.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Przeróbki Kopalin
    Tematy:
    drony
    jakość powietrza
    kopalnie odkrywkowe
    unmanned aerial vehicles
    air quality
    open pit mines
    Opis:
    Recently remarkable advancement development of unmanned aerial vehicles (UAVs) has been observed and their applications have been shown in many fields such as agriculture, industry, and environmental management. However, in the mining industry, the application of UAV technology remains potential. This paper presents a low-cost unmanned aerial vehicle technology-based system for 3D mapping and air quality monitoring at open-pit mine sites in Vietnam. The system includes several dust sensors that are mounted on a low-cost rotary-wing type UAV. The system collects a variety of data, mainly images and airborne pollutant concentrations. To evaluate the performance of the proposed system, field tests were carried out at the Coc Sau coal mine. Based on the images transmitted to the ground monitoring station, large scale 3D topographic maps were successfully modeled. In addition, sensors mounted on the UAV system were able to monitor the levels of environmental variables associated with the air quality within the pit such as temperature, dust, CO, CO2, and NOx. The field test results in this study illustrate the applicability of the low-cost UAV for the 3D mapping and the air quality monitoring at large and deep coal pits with relatively high accuracy.
    Źródło:
    Inżynieria Mineralna; 2019, 21, 2/2; 223-239
    1640-4920
    Pojawia się w:
    Inżynieria Mineralna
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of EASEWASTE model for assessing environmental impacts from solid waste landfilling
    Autorzy:
    Alam, Asifa
    Chaudhry, Muhammad Nawaz
    Ahmad, Sajid Rashid
    Batool, Aadila
    Mahmood, Adeel
    Al-Ghamdi, Huda Ahmad
    Powiązania:
    https://bibliotekanauki.pl/articles/2073793.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    EASEWASTE
    risk assessment
    dumping sites
    gas emissions
    toxicity
    Opis:
    Dumping sites or landfills are considered as foremost common option of waste management worldwide. Dumping sites, often not lined, represent a potential environmental issue causing a long-term risk to the environment and health. A number of computers model-based studies have described the solid waste collection and its management, but provide little information about the relative contributions regarding environmental impacts of landfilling especially in the context of developing world. The aim of study was to estimate environmental impacts from dumping site by using EASEWASTE model. A case study was carried out at an old and closed dumping site filled with mixed waste without bottom liner, no leachate collection and gas collection. On the basis of the existing dumping site investigation, a Mahmood Booti Dumping Site Scenario was developed, and related data of waste generation & composition was collected and added to assess environmental impacts. The results show that human toxicity via soil (9.14E+09 m3 soil) had the highest potential impact, followed by global warming (8.83E+11 Kg CO2-eq), eco-toxicity in water (6.25E+11 m3 water), and eco-toxicity in soil (6.54E+10 m3 soil). This is mostly caused by leaching of heavy metals from ashes (e.g. residues from roads cleaning and vacuum cleaning bags), batteries, paper and metals. The adopted risk analysis approach uses easily accessible computer aided models, for open dumping sites, appears to be a key tool to assist decision makers in establishing priorities for remediation action.
    Źródło:
    Archives of Environmental Protection; 2021, 47, 4; 84--92
    2083-4772
    2083-4810
    Pojawia się w:
    Archives of Environmental Protection
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of LandGEM mathematical model for the estimation of gas emissions from contaminated sites. A case study of a dumping site in Lahore, Pakistan
    Autorzy:
    Alam, Asifa
    Chaudhry, M. Nawaz
    Ahmad, Sajid Rashid
    Ullah, Rizwan
    Batool, Syeda Adila
    Butt, Talib E.
    Alghamdi, Huda Ahmed
    Mahmood, Adeel
    Powiązania:
    https://bibliotekanauki.pl/articles/2057619.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    mathematical model
    greenhouse gas
    energy supply
    garbage dump
    model matematyczny
    gaz cieplarniany
    źródło energii
    wysypisko śmieci
    Opis:
    Decomposition of organic waste in dumping sites and landfills prompts the uncontrolled emission of greenhouse gases which enhances global warming and related issues. The present investigation estimated the total landfill gas, methane, carbon dioxide and non-methane organic compounds emissions from Mahmood Booti dumping site located at Lahore, Pakistan from 1996 to 2045. LandGEM 3.02 model was utilized to evaluate the gas emission with the volumetric methane 50%, production potential (170 m3/Mg), and methane generation rate (0.050/year). The findings demonstrated that organic and food wastes had the maximum quantity in the solid waste stream (63.46%). Methane measured from solid waste was 1.150E+03 (Mg/year) in 1997 in the first year after waste was accepted by landfill while the maximum methane generation rate happened from 2014 to 2018, i.e., from 4.049×104 to 4.654×104 Mg/year, respectively. The study finding highlighted that all gases emissions have an increasing/rising trend up to 2021 and then gradually their level will decrease because most of the organic fractions of solid waste would degrade with time. The findings of this study can be used to identify the impacts and contribution of MBODS in the global emission of greenhouse gases. The study concludes that proper management of landfill gas will not only decreases greenhouse gas emissions, diminishing adverse impacts on public health but can also be used as a sustainable energy source.
    Źródło:
    Environment Protection Engineering; 2022, 48, 1; 69--81
    0324-8828
    Pojawia się w:
    Environment Protection Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Baseline study in environmental risk assessment : site-specific model development and application
    Autorzy:
    Alam, Asifa
    Mahmood, Adeel
    Chaudhry, M. Nawaz
    Ahmad, Sajid Rashid
    Safa, Noor Ul
    Alghamdi, Huda Ahmed
    Alhamdi, Heba Waheeb
    Ullah, Rizwan
    Powiązania:
    https://bibliotekanauki.pl/articles/2203136.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    baseline study
    risk assessment models
    risk management
    mathematical approaches
    landfills
    dumping sites
    environmental risk estimation
    Opis:
    Environmental risk assessment is one of the key tools in environmental engineering. This risk assessment can be qualitative or quantitative and it is based on preliminary studies i.e., baseline study for waste disposal sites. Even though the literature exists on baseline study in general, still there is a lack of guidance regarding development of a site-specific baseline study model for a waste disposal site. This study has two-fold aim, firstly, how to develop site-specific baseline study model for a selected dumping site, and secondly, how this site-specific baseline study can support the environmental engineering via mathematical risk estimation. Mahmood Booti Open Dumping Site (MBODS) is selected to demonstrate the development and application of site-specific baseline study model. This is followed by building a framework that shows how the output of the baseline study can lead to environmental engineering via mathematical risk estimation. The paper provides a mechanism of how to construct a bespoke baseline-study model that is readily useable, avoiding procurement of expensive computer software and yet smoothly connecting with the follow-on stages of the risk assessment. The work presented in this paper can be reproduced repeatedly to create site-specific baseline study models for risk assessment of other waste disposal sites in a cost-effective, consistent and cohesive manner.
    Źródło:
    Archives of Environmental Protection; 2022, 48, 3; 80--88
    2083-4772
    2083-4810
    Pojawia się w:
    Archives of Environmental Protection
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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