• Assessment of the readiness of the Polish economy to build and operate biomethane production facilities
  Modern energy sectors face challenges related to the need to reduce CO2 emissions and limit the use of fossil fuels. One of the promising solutions in this area is the use of biogas as an alternative energy source. Data show a systematic development in the use of renewable energy sources (RES), with a significant increase in biomass and wind power installations. Despite the dynamic growth in the number of wind power plants, their efficiency is limited by the variability of wind strength. Biomass and biogas installations, which can operate continuously and form a stable component of the country’s energy balance, offer the greatest potential for utilizing installed capacity. The delays in the development of large-scale biomethane production plants in Poland are due to a combination of a lack of coherent legal frameworks, insufficient financial support, infrastructure limitations, and technological shortcomings. Poland requires more integrated actions in the areas of regulation, investment in infrastructure, promotion of biomethane projects, and raising public awareness about the potential of biomethane. It should be noted that the biogas market is expected to develop at an increasingly rapid pace. This, in turn, will drive a growing demand for higher-quality fuel in the form of biomethane, which will necessitate efficient distribution, primarily through existing and newly constructed networks... dalej
• Overview of available solids control systems in the Trenchless Technology industry – the criteria for selection
  The article discusses the solid control systems principles with criteria of selection within the Trenchless Industry for applying and utilizing the available machines and solutions in the market.
  Compact cities, especially in Europe, created an urge to develop advanced trenchless techniques, sometimes the only option for expansion, rehabilitation or removal of current infrastructure failures.
  In the drilling for the engineering infrastructure installations, more and more attention is paid to the financial, quality, safety, and environmental aspects, which create the need for effectively closed, close-to-zero-waste systems to improve performance.
  The focus will be here on introducing and describing the criteria for selecting the solid control equipment and systems utilized for trenchless application, Horizontal Directional Drilling, Micro Tunnel Boring Machines and Direct Steerable Pipe Thrusting... dalej

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