25362, I don't get the same. Using danw2's link and especially Figure 2, I get an increase in LHV due to the increase in P and T above STP. Am I missing something?
Can someone tell me how to claculate the heating value of biogas given the following: 55% methane, 750 mbar, 47 degrees C, gas is saturated? Been using the lower heating value at STP but we're off setting more fuel oil than expected. Assume it is because gas is not at STP. Any help would be...