Properties of the Phosphate Glass Scale Inhibitor and Its Controlled-release Mechanism

Journal of Inorganic Materials

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Properties of the Phosphate Glass Scale Inhibitor and Its Controlled-release Mechanism

WANG Shan; CHENG Ji-Jian; CHEN Qi

Research Institute of Inorganic Materials; East China University of Science and Technology; Shanghai 200237; China

Received:1999-11-17 Revised:1999-12-28 Published:2000-12-20 Online:2000-12-20

Abstract

Abstract: A controlled-release phosphate glass scale inhibitor was prepared successfully, and its rate of scale inhibition reached 90% at 30℃. The concentration of orthophosphate and polyphosphate ions was very important for determining the rate of scale inhibition, some properties of the glass acted as a scale inhibitor were also discussed. The results show that the dissolution mechanism of the glass in water is controlled by hydrolysis and hydration reaction.

Key words: phosphate glass, controlled release, scale inhibitor

CLC Number:

TQ423

WANG Shan,CHENG Ji-Jian,CHEN Qi. Properties of the Phosphate Glass Scale Inhibitor and Its Controlled-release Mechanism[J]. Journal of Inorganic Materials.

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Properties of the Phosphate Glass Scale Inhibitor and Its Controlled-release Mechanism

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