More economic and ecological capture of new technologies for CO2 emission from power plants

The consortium led by Finland's VTT Technical Research Center has developed a new technology that more economically and ecologically captures CO2 emissions from power plants. The International Energy Agency IEA is indispensable for carbon dioxide capture if the greenhouse gas emission reduction goal is set to be met. This new technology combines traditional circulating fluidized bed combustion with oxygen-enriched combustion to make wider use of cheaper fuels and biomass energy.
To mitigate climate change and reduce greenhouse gas emissions is one of the biggest environmental challenges of today. According to the Intergovernmental Panel on Climate Change International Plant Protection Convention, carbon dioxide emissions should be reduced by 50-85% by 2050. Meeting this goal will mean that dozens of additional power plants will implement CO2 capture systems every year. Until now, capture technology has been in the experimental phase and the cost of implementing methods to mitigate it has been too high.
The Flexi Burn CFB project developed and successfully coordinated by the Finnish VTT Technical Research Center demonstrates the concept of oxygen-enriched combustion based on circulating fluidized bed combustion. This new technology combines CFB combustion based on oxy-combustion CO2 capture with flexibility and economic benefits. In addition, it is impossible for the same power plant to continue operating and capture, such as CO2 transportation and storage facilities during temporary outages, thereby reducing investment risks.
The advantages of circulating fluidized bed combustion include high efficiency, fuel flexibility, and the option to use a large proportion of biomass in the fuel. Raising energy prices and exhausting high-quality fuel reserves means that it is more profitable to use low-quality fuels. Fuel flexibility through this new technology will reduce the cost savings that are dependent on imported coal and create because cheaper options, including waste coal, can be used as fuel.
In Spain (a demonstration plant of 30 MWth), it is the world's largest technologically proven function of operating a circulating fluidized bed oxy-fuel plant. The project also developed a commercial-scale 300MWe plant concept. The technology developed in the project can capture the carbon dioxide generated by power plants, but its widespread commercialization will require political decisions and new legislation, particularly with respect to the storage and eventual disposal of carbon dioxide.

Hydraulic Valve

The most basic description of a valve is a mechanical device that opens and closes, most often to control the flow of fluid-liquid or air. Valves exist in nearly every industry, from automobile engines to the foundries that cast the engine's valves; yes, there are valves on the machines that make valves.

Hydraulic valves are manufactured in a variety of styles to function in different applications. Valves are used to manipulate the flow of hydraulic fluid within a hydraulic circuit and are activated either mechanically or electronically. Directional Control Valves are the most commonly used valve in a hydraulic system . Control valves direct the flow of hydraulic fluid from the pump to the actuators or other sections of the hydraulic circuit. Control valves are returned to their neutral state with a spring or held in each position with a detent mechanism. These valves are generally used to control the direction of a hydraulic motor or cylinder; they can also perform other functions in a circuit.

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