Refinery——Pre-heating of crude oil——Condensation of gasoline, kerosene, diesel, etc.

Natural gas——Gas sweetening, decarburization ——lean/rich solvent service——Gas dehydration —— heat recovery in TEG systems

Refined oil——Crude oil sweetening —— edible oil heat exchanger

Coke over plants——Ammonia liquor scrubber cooling——Benzoilzed oil heating, cooling

Refine sugar——mixed juice, fumigated juice heating——Pressure mooring juice heating

Pulp and paper——Heat recovery of boil and fumigation——Heat recovery of bleaching process——Washing liquid heating

Fuel ethanol——Lees liquid to fermented liquid heat exchange——Pre-heating of ethanol solution

Chemicals, Metallurgy, Fertilizer production, Chemical fiber, Water treatment plant, etc.