A comparison of LNG processes for tropical conditions showed that Shell double mixed refrigerant (DMR) process is a competitive alternative for the propane mixed refrigerant (C3MR) process. For both ...

A3 pure refrigerants that are a single molecule are R-290 (propane), R-600 (butane), R-600a (isobutane), and R-601A (isopentane). All are hydrocarbons. For many years now, technicians have been using ...

Add Yahoo as a preferred source to see more of our stories on Google. Did you ever stop to consider that these two products aren't the same? Choosing between a propane and butane gas torch depends on ...

Think propane and butane are just for barbecuing? Think again: The common cooking fuels can also chill your drinks and ice cream with less energy and almost none of the global warming worries of ...