“…In gasification of straw and wood fuel mixtures, there is a negative phenomenon as well, e. g. high resin content in the produced gas because of high content of resin in wood, especially coniferous species [8,17]. There were attempts to solve the problem by designing the gasification chamber tuyere belt (tuyeres, pipes, air distribution boxes) and an additional thermal insulation of the hopper which provides temperature in the active zone within 1,100-1,400 °С [8,12,[20][21][22].…”