Search academic texts

Information × Registration Number 0206U000975, 0105U006751 , R & D reports Title The stady of phase state and methane content in fossil coal to i increase of laboour safety level (II stage) popup.stage_title Head Alexeyev Anatoly Dmitrovich, Registration Date 09-02-2006 Organization Institut of physies of mountain processes popup.description2 Dependence of speed of output of methane from a coal array from the sizes of structural blocks of coal taking into account the volume of the opened and closed pores, viscidity, solubility of methane, pressure and temperature was set, that allows to ground the method of distributing of closeness of methane in the coal area of layer. Are grounded and the methods of prognosis of the geomechanics state of coal array for the control of efficiency of against outburst measures and qualification of the happening types gas dynamics phenomena (GDPh) were approved, on the parameters of diffusive process methane. A method is offered determination of entropy element in expression for the Gibbsa potential, based on determination of effective to the coefficient of diffusion on crooked desorbtion of methane from the standards of coal, propensity of coal layers to different types GDPh is grounded. Offered model of development of volume methane and outburst coal layers. In accordance with this model the generation of methane and other, including heavy hydrocarbons, took place and takes place in the deposits of coal in a current history period, including presently due to the unstationary processes of the Fishera-Tropsha synthesis on a catalyst from connections of mainly bivalent iron.5635 Product Description popup.authors popup.nrat_date 2020-04-02 Close