- 1. Influence of rock shear processes on the methane content of longwall faces
- (Content №4 2024)
- ... rock mass caused by a longwall face progression. Methodology. Determination of gas content (methane content) of coal seams, ash content of Karaganda basin coals, methane content of mine workings was ...
- Created on 28 August 2024
- 2. 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
- 3. Estimation and forecasting of carbon dioxide emissions from coal-fired thermal power plants in Ukraine
- (Content №5 2022)
- ... were used for processing the data of ultimate and proximate analysis of 170samples of A, L, G, and LFG coal ranks with low heat value on operating state in the range of 17.2 to 31.0 MJ/kg and ash content ...
- Created on 30 October 2022
- 4. Beneficiation properties of ash-and-slag dumps
- (Content №1 2022)
- ... between the particle size of the inclusion, ash content and particle size distribution function were used. Findings. Separation characteristics of rough and recleaning flotation operations were preliminarily ...
- Created on 25 February 2022
- 5. Current state and forecast of sulfur dioxide and dust emissions at thermal power plants of Ukraine
- (Content №5 2021)
- ... has been established between SO2 emission factors in flue gas at coal TPPs and low heat value and sulfur and ash content for Ukrainian energy coal. Practical value. The developed method allows one to perform ...
- Created on 29 October 2021
- 6. Automation of the control process by the shearer drum in terms of coal seam hypsometry
- (Content №3 2021)
- ... by the drum to reduce ash content of the extracted coal. Methodology. Taking into consideration peculiarities of determining a distinct information criterion of the beginning of rock cutting-off by the ...
- Created on 23 June 2021
- 7. Predicting changes in the sulfur content during steam coal preparation and the level of sulfur dioxide emissions when its combustion
- (Content №2 2021)
- ... coal combustion according to the developed calculation method. Findings. The distribution of sulfur content of Ukrainian steam bituminous coal by size classes depending on ash content is investigated; ...
- Created on 29 April 2021
- 8. The development of technological solutions on mining and processing brown coal to improve its quality
- (Contens №6 2019)
- ... at energy production enterprises have been established: the mixture ash content for the fuel working state (Ar) after heat treatment made 50.2 %, and after separation ‒ 17.72 %; lower combustion heat increased ...
- Created on 23 December 2019
- 9. FEATURES OF RATHER THIN COAL SEAMS MINING IN THE ENVIRONMENT OF THE WESTERN DONBASS
- (Mining)
- ... coal. Because of considerable operational ash content, mines refuse to mine earlier uncovered rather thin layers, which are registered as balance reserve, this leads to reduction of service life of the ...
- Created on 01 October 2014
- 10. About efficiency and finansial reasonability of coal cleaning
- (Mining)
- ... price factor depending on ash content. Quantitative and qualitative indicators of coal production for needs of power plants in view of restrictions on powdered fuel burning are worked out. References: ...
- Created on 20 November 2012
- 11. Algorithm of control and system of management of power indicators of fuel at thermal power plants
- (Information technologies, systems analysis and administration)
- ... // Уголь Украины: ежемесячный научно-технический, производственный и экономический журнал. – К., 2009. –№6. –С.43–45. Vypanasenko, S.I. and Ovsianykov, V.V. (2009), “Check of ash content of coal by ...
- Created on 14 November 2012
- 12. Development of new technological schemes in mining of a syncline deposit of brown coal
- (Innovative projects 2011)
- ... ratio 2.3 m3/t against 10.54 m3/t; ash content 17.1% against 26.9%; new workplaces in mining only 1520 people; productivity of labour of one worker 716 t/month against 203.1 t/month. Sphere of application ...
- Created on 11 October 2012