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Wyszukujesz frazę "waste storage" wg kryterium: Temat


Wyświetlanie 1-5 z 5
Tytuł:
Recyclability of Ore Beneficiation Wastes at the Lomonosov Deposit
Autorzy:
Pashkevich, Maria A.
Petrova, Tatyana A.
Powiązania:
https://bibliotekanauki.pl/articles/124758.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
waste storage
environmental hazard
wastes of diamond ore beneficiation
waste recycling
Opis:
The article presents the data based on the long-term observations of the Lomonosov mine tailing storage impact on the natural environment. The study of the chemical, mineral and phase composition of waste, sampled at the tailing site, was carried out. It was determined that the ore beneficiation waste in the Lomonosov deposit is generally represented by the minerals of the smectite group. According to the X-ray diffraction analysis data, the beneficiation wastes are a bi-mineral mixture of montmorillonite and talc with pyrophyllite impurities. The wastes of this composition are potentially magnesia raw materials used in the production of construction materials, such as cement, ceramic bricks, etc. Experimental studies have justified the use of the method of wastes recycling based on the roasting of the ore beneficiation tailings, with the number of process options, depending on the temperature regimes and the exposure time.
Źródło:
Journal of Ecological Engineering; 2019, 20, 2; 27-33
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Environmental Impact of the Stored Dust-Like Zinc and Iron Containing Wastes
Autorzy:
Lytaeva, T. A.
Isakov, A. E.
Powiązania:
https://bibliotekanauki.pl/articles/124421.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
waste storage
ecological situation
infiltration of contaminants
fluxes of pollution
halos of pollution
Opis:
Effects of the stored dust-like zinc and iron containing wastes of the mining and processing industry consist of the loss of valuable components and environmental pollution. Thus, the goals of the research were to analyse ecological conditions under the technogenic impact at the waste storage site and to study transformations of the stored dust-like zinc and iron containing wastes in the active supergene zone. Materials are based on the physical laboratory-modelled infiltration of the atmospheric precipitation waters through the zinc and iron containing wastes. Methods include systematically- structured analysis of wastes and disposal site and laboratory techniques (X-ray fluorescence and atomic emission spectrometry). On the basis of laboratory research and field observations of the environmental components in the impact area of the storage of dust-like zinc and iron containing wastes, the article describes regularities of formation of hydrogeochemical halos of contamination by heavy metals and iron. The results also include the description of changes in physico-chemical groundwater composition under the storage area.
Źródło:
Journal of Ecological Engineering; 2017, 18, 3; 37-42
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ecological and technical requirements of radioactive waste utilisation
Autorzy:
Borowski, G.
Wośko, M.
Powiązania:
https://bibliotekanauki.pl/articles/123197.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
radioactive waste
utilisation
storage
solidification
vitrification
Opis:
The paper presents a survey of radioactive waste disposal technologies used worldwide in terms of their influence upon natural environment. Typical sources of radioactive waste from medicine and industry were presented. In addition, various types of radioactive waste, both liquid and solid, were described. Requirements and conditions of the waste’s storage were characterised. Selected liquid and solid waste processing technologies were shown. It was stipulated that contemporary methods of radioactive waste utilisation enable their successful neutralisation. The implementation of these methods ought to be mandated by ecological factors first and only then economical ones.
Źródło:
Journal of Ecological Engineering; 2013, 14, 1; 40-47
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Verification of Reaching the Regulatory Limit for the Release of Radioactive Liquid Waste in Nuclear Medicines
Autorzy:
Alfayyadh, Linda
Naimi, Sepanta
Mizban, Fadhil
Al-Hamami, Naheel
Alguraibawi, Marwah
Powiązania:
https://bibliotekanauki.pl/articles/24201728.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
radioactive iodine
I-131
liquid waste
storage system
decay system
nuclear medicine
authorisation limit
Opis:
The research was conducted at one of Iraq’s nuclear medical facilities in Baghdad, which uses radioactive iodine (I-131) to treat thyroid patients, the major purpose of this research was to meet the national legal limit for the release of radioactive liquid waste into the environment, a high purity germanium reagent radiation detector was used to evaluate nine iodine I-131 samples. From 2021 and 2023, the concentration of waste prior to storage and disposal was between 24498 Bq/L and 5.7 Bq/L. Short-lived radionuclides, such as I-131 with an 8.04-day half-life, may be released into the sewage system in line with Iraq’s Nationally Approved Limits and Austria’s International Atomic Energy Agency (IAEA). Moreover, it is stored for 10 times the half-life, or four months, until the choice to release it into the environment is made.
Źródło:
Journal of Ecological Engineering; 2023, 24, 5; 329--336
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comprehensive Assessment of the Impact of the Almaty Wastewater Storage System on the State of Groundwater
Autorzy:
Ospanov, Kairat
Absametov, Malis
Murtazin, Yermek
Iskanderov, Rustam
Powiązania:
https://bibliotekanauki.pl/articles/2086383.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
water disposal
waste water
storage system
impact on groundwater
filtration
stability of loose massif
pollution
Opis:
This article presents the results of studies on the comprehensive assessment pertaining to the peculiarities of nutrition, accumulation, transit and discharge of groundwater in the adjacent territory of the Sorbulak reservoir. The information about the waste water storage was presented. The results of the analysis and decryption of satellite images, as well as the results of aerial photography of the territory of the Sorbulak were presented. The results of field route studies of the work area were presented to identify the external manifestations of directional filtration, areas of exits to the daytime surface of groundwater. The results of the calculation of the filtration flow controlled by the Sorbulak storage lake, unloading through the western side of the plateau into the Kurty River, were presented.
Źródło:
Journal of Ecological Engineering; 2022, 23, 4; 75--84
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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