Dorel ZUGRAVESCU, Nicolae ILIAS, Iosif ANDRAS, Sorin Mihai RADU, Iosif GRUNEANTU, George TESELEANU (Italia), Inga ROSIORU, Chiril GEORGE, Tiberiu IACOB-RIDZI, Cristian TOMESCU
Abstract
The paper deals with a proposal of an integrated project for CO2 storage coming from the coal burning power plants and a joint CH4 (so called CBM) recovery and its valorization in energetic applications which will lead to a substantial reduction of the delivering price for the produced energy. Coal deposits considered to be non-exploitable for technical or economic reasons are proven to be of major importance for the storage of CO2 captured from industrial burning installations because coal is characterized by the existence of large volumes of micropores inside which are able to physically absorb various gases, one tone of coal containing even more than 25 m3 of absorbed methane, and at the same time it being characterized by higher affinity for carbon dioxide gas than for methane. Because the capture, processing and transport of carbon dioxide are technically resolved, the paper is focused mainly in the issue of storage, and the joint process of methane gas replacement and its boosted delivery from coal seams. In both these processes, the main issue is the adsorption /desorption capability of the coal versus CO2 and CH4, on which basis the in place methane amount and the carbon dioxide storing capacity can be calculated. The main outcome of the study is the proof of feasibility of this technology in the Jiu Valley coal basin, which will contribute to the revitalization of coal mining and energy production activity in the area
Keywords: carbon dioxideGreenhouse GasbeneficiationJiu Valley
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