As a new multifunctional organic polybasic phosphonic acid, PAPEMP has high chelation and dispersion effects, high value of calcium tolerance and good scale inhibition effects. PAPEMP can be used as scale and corrosion inhibitor in circulating cool water system and oilfield refill water, particularly under conditions of high hardness, high alkali and high pH value. PAPEMP has excellent scale inhibition to calcium carbonate, calcium sulfate and calcium phosphate. In addition, PAPEMP can efficiently inhibit the formation of silica scale and stabilize metal ions such as Zn, Mn and Fe.

PAPEMP can be used as scale inhibitor for reverse osmosis system and multistep flash vaporization system in which high salt concentration, high turbidity and high temperature are usually encountered (such as high temperature and high turbidity in coal vaporization system), accessory agent for woven & dyeing and papermaking , as alternatives of EDTA, DTPA, NTA, etc.