Abstract
In this contribution a thermal method for crude oil mobilization and in-situ liquefaction of coal is discussed, which will finally yield more organic material, as which has been put in from plastics waste originally into the process. The conversion product from thermal treatment is pumped down into exhausted crude oil reservoirs, where the hydrogen can degrade the residual high viscous oil to cause it to become more prone to flow so that it can be recovered. Such a process will envision two goals: 1. more organic raw material (as crude oil) will be recovered than is initially put in as waste product. 2. atmospheric pollutants from the conversion plant will be trapped in the reservoir, which simplifies the construction of the plant. An analogous process may be performed with coal seams. Coal seams with their high porosity and large specific surface are believed to be in particular useful to filter atmospheric pollutants. Depending on the type of coal the mobilization of organic material by this process may be in the background. (orig./SR)
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