run from the end of June in Katowice Wieczorek mine underground coal gasification experiment, ie the conversion of coal into gas, is proceeding according to plan; You can talk about success – this attempt to evaluate the leading scientists of the Central Mining Institute (GIG).
According to experts, the gasification of coal in the future can be successfully used in Polish mines, especially where extraction is difficult or remaining remnants of this material.
Conversion of coal into gas, which on the surface will be used to produce energy, it can also make coal more environmentally friendly. Belonging to KHW Wieczorek mine is the first in Europe active mining plant, which employs installation for coal gasification. The experiment lasts from June 30.
“I think we can start talking about success, because after seven weeks of the experiment we are successful. Conducted in accordance with our assumptions, according to what we wanted “- said during a Tuesday meeting with journalists prof. Krzysztof Stanczyk GIG.
Underground coal gasification consists in bringing ignited coal deposits so. Gasifying agent (eg . the air or steam) and receive the gas produced at the surface. most important is the skillful control of the administration of gasifying agent so as to obtain the temperature of the gas enables the manufacture of a specific composition. Obtained in this way the gas can be used to generate heat and electricity in power, can replace the gas natural chemistry, it can also be used to produce liquid fuels.
Researchers have attempted in various media soiree gasification air, oxygen, water vapor, carbon dioxide. learned to control the process – as rated Stanczyk – even more, than expected.
Director Marek Wieczorek mine Pieszczek believes that this technology can be successfully used in residual resource and those who could not get conventional methods, eg. while deposits are located too deep. He believes that this type of installation is safe for the crew and the environment. During the gasification experiment so far 200 tons of coal.
“I’m a moderate optimist and I believe that this technology can become one of the methods used in the mining” – said the director. Indicated that it is not known whether coal gasification on a large scale will be profitable.
According to prof. Stanczyk, gas production from coal will be much cheaper than traditional mining and it is possible that in the distant future will look just like mining. He recalled that the exploitation of coal at very large depths is very difficult and unprofitable. Installation for coal gasification does not require the creation of so costly infrastructure.
“In comparison with the classical mining, which consists in the fact that you need to build a mine, then send thousands of people out there that mined coal, it seems far cheaper “- said the professor. Stanczyk.
According to him gasification technology does not require building new mines, or even the use of existing, just to get to the coal deposits, bore holes to provide a gasification medium and gas collection. emphasized that the gasified coal gives as much energy as mined. Much depends on the efficiency of the combustion gas thus obtained, – he noted.
The pilot plant consists of two main parts. First, underground, is located 400 m below the surface, and its most important element is georeaktor gasification. During the second part, on the surface, there are elements georeaktora power and reception, treatment and disposal of gas.
The experiment is carried out under the program of scientific research and development “Advanced technologies for energy generation”, funded by the National Centre for Research and Development. After the experiment, the researchers have built many times greater, demo gasification plant.
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