The Optimal Preparation of Scale Inhibitor Polyaspartic Acid

Abstract:

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Polyaspartic acid (PASP) was prepared by the means of polymerizing maleic anhydride and ammonia solution. In order to find optimal condition of synthesizing PASP, we made a set of experiments on proportion of material, temperature and time of polymerization in the single condition, and compared PASP with other scale inhibitors about the performance of scale inhibition and biodegradation. The results show: the optimal proportion of material is 1:1.1, the temperature of polymerization is 160°C, and the time of polymerization is 1h. Under above condition, we synthetized the PASP its inhibiting efficiency can reach over 95%, and biodegradation rate reaches 70%.

Info:

Periodical:

Advanced Materials Research (Volumes 113-116)

Edited by:

Zhenyu Du and X.B Sun

Pages:

694-697

DOI:

10.4028/www.scientific.net/AMR.113-116.694

Citation:

G. L. Jing et al., "The Optimal Preparation of Scale Inhibitor Polyaspartic Acid", Advanced Materials Research, Vols. 113-116, pp. 694-697, 2010

Online since:

June 2010

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Price:

$35.00

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