DEAR SIR
THERE IS HUGE LITERATURE FOR YOUR CONCERN..
(1) THE PROBLEM IS THAT BY FOULING HEAT EXCHANGE SURFACES HUGE ENERGY LOSSES RESULTS AND TUBES FAILURE
(2) TO REMOVE DEPOSITS EITHER MECHANICAL OR CHEMICAL METHODS ARE APPLYIED INTERNATIONALLY, THE LATER ARRIVING IN 100% CLEAN SURFACES .
(3)I CAN GIVE YOU A LOT OF INFORMATION AND LITERATURE REGARDING THE CHEMICAL CLEANING METHOD
REGARDS
jpchemical@yahoo.com