The property of CaCO3 inhibition of PESA was investigated by static tests whichrevealed that PESA has high scale inhibition performance, and is suitable for high pH value and hard water.

• 采用静态阻垢法考察了PESA阻碳酸钙垢的性能，结果表明，PESA具有良好的阻垢性能，适用于高碱高固水系。