- 21. Improving the technology of extracting coal concentrate from fly ash from thermal power plants
- (Content №4 2023)
- ... rotatable plan of the second order for four factors affecting the ash content of the coal concentrate. Findings. According to fractional analysis, the concentration limit of coal particles was determined. ...
- Created on 28 August 2023
- 22. Assessment of the risk to human health from the accumulation of heavy metals in and around the “2 July” neighborhood (Mitrovica-Kosovo, Kosovo)
- (Content №3 2023)
- ... M., & Sadriu, E. (2020). Studying the heavy metals concentration in discharged water from the Trepça Mine and flotation, Kosovo. Mining of Mineral Deposits, 14(4), 47-52. https://doi.org/10.33271/mining14.04.047. ...
- Created on 27 June 2023
- 23. Influence of polymer solution concentration and media permeability on the residual resistance factor
- (Content №3 2023)
- ... Visnyk Natsionalnoho Hirnychoho Universytetu. 2023, (3): 020 - 024 https://doi.org/10.33271/nvngu/2023-3/020 Abstract: Purpose. Determination of the required concentration of polymer solution, providing ...
- Created on 27 June 2023
- 24. Phenol adsorption onto olive pomace activated carbon: modelling and optimization
- (Content №2 2023)
- ... namely: the activated carbon mass, the contact time, the phenol initial concentration and the stirring speed. In addition, the process was optimized with full factorial designs using the response surface ...
- Created on 28 April 2023
- 25. Improving the environmental efficiency of glass furnace chimneys using heat recovery technologies
- (Content №2 2023)
- ... heat recovery systems, chimneys, harmful emissions, ground-level concentration, environmental efficiency References. 1. Abd Alkarem, Y. M. (2018). A new review in glass furnaces energy saving field ...
- Created on 28 April 2023
- 26. Reverse flotation process in double stage on the Algerian phosphate ore treatment
- (Content №1 2023)
- ... in the Preconcentration Step of a Double Float Process on Sedimentary Phosphate Ore. Procedia Engineering, 83, 139-147. https://doi.org/10.1016/j.proeng.2014.09.031. 16. Chen, Y., Guo, X., & Chen, ...
- Created on 25 February 2023
- 27. Method for determining the ultimate sorption capacity of coal matter by EPR-spectroscopy
- (Content №1 2023)
- ... resonance) by adjusting the proportionality coefficient between the ultimate sorption capacity of coal and the concentration of paramagnetic centers and the conjugation coefficient in accordance with the ...
- Created on 25 February 2023
- 28. Study on accumulation of heavy metals by green plantations in the conditions of industrial cities
- (Content №6 2022)
- ... Determination of the relationships between the concentrations of Zn, Cu, Pb, Cd in the atmospheric air and in the assimilative organs of the false acacia (Robinia pseudoacacia) trees the most common species ...
- Created on 25 December 2022
- 29. Heavy metals removal using natural zeolite adsorption from Tigris river water at Samarra city (Iraq)
- (Content №6 2022)
- ... concentrations of biological dissolved oxygen, total suspended solid, and total dissolved solid increased, while those of preprocessing nitrates (12.2mg/l) differed significantly from the results of post ...
- Created on 25 December 2022
- 30. Substantiation of research results on energy efficiency of basalt crushing
- (Content №6 2022)
- ... Z.S. (2021). Study of gravity-flotation concentration of lead-zinc ore at the Shalkiya deposit. Obogashchenie Rud, (6), 9-15. 14. Telkov, S.A., Motovilov, I.Y., Barmenshinova, M.B., Medyanik,N.L., ...
- Created on 25 December 2022
- 31. Determining the parameters of stratification cavity in rock mass to extract mine methane
- (Content №6 2022)
- ... of low-concentration coal mine methane. Energy & Fuels, 35(19), 15398-15423. https://doi.org/10.1021/acs.energyfuels.1c02312. 12. Zavialova, O., Kostenko, V., Liashok, N., Grygorian, M., Kostenko, ...
- Created on 25 December 2022
- 32. Investigation of the influence of hyperthermia and soil pollution with the petrochemicals on test objects using the method of mathematical planning
- (Content №5 2022)
- ... (2021). Determination of the Dependence of the Plant Growth Characteristics on the Concentration of Petrochemicals in the Soil. Journal of Ecological Engineering, 22(2), 226-233. https://doi.org/10.12911/22998993/131063. ...
- Created on 30 October 2022
- 33. A risk of pulmonary diseases in miners while using dust respirators
- (Content №5 2022)
- ... work experience and coal dust concentrations of more than 50 mg/m3, use of dust filter respirators does not ensure a minimal degree of the occupational disease risks. At the same time, it has been identified ...
- Created on 30 October 2022
- 34. Estimation and forecasting of carbon dioxide emissions from coal-fired thermal power plants in Ukraine
- (Content №5 2022)
- ... 24(7/8), 1309-1321. https://doi.org/10.1260/0958-305X.24.7-8.1309. 10. Volchyn, I.A., & Haponych, L.S. (2014). Estimate of the sulfur dioxide concentration at thermal power plants fired by Donetsk ...
- Created on 30 October 2022
- 35. Synthesis of phosphosulphate substance and properties of its structured mixture with quartz sand
- (Content №4 2022)
- ... Ultima IV unit, and differential thermal analysis was performed on the STA 449 C Jupiter synchronous thermal analyzer. Orthophosphoric acid, technical thermal, of 85% concentration, 18-hydrous sulfate ...
- Created on 29 August 2022
- 36. Seismic geotraverse "Granit" (Ukrainian part). Reanimation
- (Content №4 2022)
- ... stratifications, expressed by the concentration of reflection zones. Originality. Research on the Granit geotraverse allowed completing information on the seismic model of the crust and upper ...
- Created on 29 August 2022
- 37. The use of brown coal in Ukraine to obtain water-soluble sorbents
- (Content №4 2022)
- ... determine the sorption capacity of humic substances with a concentration of 0 to 20 mg/l in relation to heavy metal ions (Cu2+, Pb2+, Cd2+, Hg2+, Zn2+, Co2+) with a concentration of 5 mg/l. The results ...
- Created on 29 August 2022
- 38. Study of fragmentation impact of small riverbeds by artificial waters on the quality of water resources
- (Content №3 2022)
- ... that the level of mineralization, the content of sulphates and chlorides exceed the maximum acceptable concentrations in all studied rivers. There is a tendency of deterioration of water quality in the ...
- Created on 29 June 2022
- 39. Increased heavy metal concentrations in the soils near electric power generators in Samarra city (Iraq)
- (Content №3 2022)
- ... the concentration levels of various heavy metals and carbon in the soils of four Samarra City areas that are close to pollution sources (electric power generators). Methodology. A pollution source is sampled ...
- Created on 29 June 2022
- 40. Impact of stress concentration on reliability of metal structure elements of gantry cranes
- (Content №3 2022)
- ... crane taking into account coefficients of intensity and concentration of stresses which allow defining speed of growth of cracks in dangerous stress zones of a metal structure. Originality. The existing ...
- Created on 29 June 2022