Many corrosion inhibitors are avaiable in market. The selection depends on where exactly it will be used. Mostly these are amines.
You may access this link to get some basic info
http://www.messina-oilchem.com/Refinery%20&%20Gas%20Processing/RGP-CI.html
What u r looking for should be absolutely possible if the piping and furnace material+hydraulic design permits it.
U need to analyes the problems for this.
