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Publications (15)
Raw and charred walnut shells were investigated as solid fuels in direct carbon solid fuel cells operating within the temperature range 600–850 °C. Char was prepared by means of thermal processing of pulverised shells in a quartz reactor within a temperature range of 400–850 °C. Elemental analysis identified high carbon and marginally low sulphur c...
A fly ash from a Polish coal-fired power station was studied for chem. compn., fusion temps., true d. and pore structure (N-2 adsorption) and sepd. into 2 fractions (grain size below 100 pm and 100-212 mu m). The fractions were then studied for true d., pore structure (Hg intrusion), permeability, grain vol. distribution, spherical grain geometry,...
Bituminous coal and lignite samples were carbonized under N-2 at 1000 degrees C for 30 min. The chars were studied for chem. compn., sp. surface, pore structure (N-2 adsorption) and kinetics of combustion under O-2/CO2 (0.1-1.0 MPa) at 500-1000 degrees C (mass loss rate). C conversion degree increased with increasing combustion temp., O-2 concn. an...
A review, with 74 refs., of methods for removal of SO2, NOx and CO from coal combustion before, during and after the combustion. Authors' own research works were also taken into consideration.
The main objective of this paper is to evaluate the influence of biomass co-combustion on a boiler thermal efficiency. A coal boilers applied in Polish power sector were analysed and the character of the impact of biomass co-combustion on boiler thermal efficiency was estimated as depending mostly on the kind of combusted based fossil fuel.
Three tech. glycerol samples were studied for phys. and chem. properties and added (1-2%) to bituminous coal or its blend with wooden chips (13.9%) used as solid fuel in a power plant (180 MW). Compn. of flue gas and properties of slags and fouling deposits were detd. The addn. of glycerol did influence neither the firing process nor the properties...
The paper discusses a concept of carbon footprint. Carbon footprint was compared with life cycle assessment (LCA). It allows to indicate differences between them. In the next step the methodology and results of analysis carbon footprint of supply fuel to power plant were presented. The results were related to the chemical energy of fuels and also t...
The article presents integration of IGCC with hard coal CFB gasification and oxy-combustion of received char in a supercritical boiler. The aim of this paper is to compare CO2 emission coefficients and efficiencies of the proposed system with CO2 emission coefficients and efficiencies of coal technologies which will be developed and implemented soo...
Co-firing trial tests of sawdust and bio-waste coming from cereal production with hard coal were carried out at Skawina Power Plant in Poland (1532 MW in fuel, currently belonging to CEZ Group). Skawina Power Plant is a tangentially-fired pulverized coal unit with nine boilers (4 boilers of 210t/h and five boilers of 230t/h live steam respectively)...
Reduction of the emissions of greenhouses gases, increasing the share of renewable energy sources (RES) in the energy balance, increasing electricity production from renewable energy sources and decreasing energy dependency represent the main goals of all current strategies in Europe. Biomass co-firing in large coal-based thermal power plants provi...
Co-firing of biomass in the existing coal-fired plants results in the generation of renewable energy, reduction of the emissions of GHG and harmful compounds, and decreases of the depletion of natural fossil resources. Cogeneration of electricity and heat results also in the decrease of fossil fuels consumption and emission of pollutants compared t...
Biomass co-firing has become a significant player on the market of renewable energy in Poland through the last two years. Power producers after a few years of co-firing biomass have already identified some technical barriers limiting the biomass share in the combusted fuel blend. These limitations were mostly caused by the existing coal feeding sys...
