[TheForge] simple propane burner question

[Barking Crow]

In the soap business we routinely heat large pots of solid and liquid
vegetable oils in 4 or 5 gallon aluminum pots over a simple maybe $40 burner
on the floor on its own legs.  The problem that's causing a domestic
disturbance is that the pots keep getting a thick coating of soot which is
nigh impossible to clean off and gets on everything it touches.  I keep
adjusting the burner so that the many little flames are blue and to my mind
burning the fuel efficiently, then my wife who is the real soapmaker comes
along early in the am to heat the pots of oils and says she can't wait on
the flame like I've adjusted it and turns it up so that the flame has lots
of yellow but she thinks heats faster.  My question is,  can it really put
out more heat with the yellow flames?

Any help will be appreciated, even if I'm wrong.  I'm used to it.

Thanks,

Jeff Valentine

Barking Crow
http://www.barkingcrow.com
mail@barkingcrow.com