Buscar
Mostrando ítems 1-10 de 59
Abordagem quantitativa na avaliacao do deposito de carvao de cerquilho - SP
(1988-12-01)
This paper deals with an integrated study concerning the evaluation of the coal deposit at Cerquilho (Sao Paulo State) in the upper part of the Tubarao Group. Palaeogeographical studies from other authors describe the ...
Calculo de reserva de uma jazida de carvao por metodologia geoestatistica
(1988-12-01)
A coal deposit was studied at Sapopema (PR) in the upper part of the Tubarao Group. The eliptical deposit is made up by a single layer of 1.2 m mean thickness and lies at a depth of 380 to 700 m. The semi-variogram, using ...
Calculo de reserva de uma jazida de carvao por metodologia geoestatistica
(1988-12-01)
A coal deposit was studied at Sapopema (PR) in the upper part of the Tubarao Group. The eliptical deposit is made up by a single layer of 1.2 m mean thickness and lies at a depth of 380 to 700 m. The semi-variogram, using ...
Abordagem quantitativa na avaliacao do deposito de carvao de cerquilho - SP
(1988-12-01)
This paper deals with an integrated study concerning the evaluation of the coal deposit at Cerquilho (Sao Paulo State) in the upper part of the Tubarao Group. Palaeogeographical studies from other authors describe the ...
Coal blend performance during pulverised-fuel combustion: estimation of relative reactivities by a bomb-calorimeter test
(ELSEVIER SCI LTD, 2002)
Blending coals as fuel for pulverised-fuel-fired power stations provides a way of minimising costs and increasing fuel flexibility. The use of blends can, however, introduce operating difficulties, such as poor ignition, ...
CO2 strong chemisorption as an estimate of coal char gasification reactivity
(ElsevierHolanda, 2020)