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As it is well known, the process of extracting from the underground the reserves of useful mineral substances by using mechanical methods had been extended mainly regarding the energetic coal a series of countries in the period of 1970 ? 1990, that generated many actions of conception and manufacturing of some specific equipments being remarked mainly Germany, England, Poland, ex - countries of Soviet Union, etc. The main idea consists in choosing and correlating dimensionally, capacitive and functionally some com...

The idea of underground coal gasification is connected with the name of Mendeleev 120 years ago. But its practical realization starts during the 30th years of the previous century and continues up to now. There is not any technical or technological problem to perform gasification as a method of processing hard household wastes. In combination with recycling of part of the wastes and utilization of gaseous products of gasification for energy production, this method could be very effective and attractive. If we supp...