Journal of Shanghai University(Natural Science Edition) ›› 2016, Vol. 22 ›› Issue (2): 211-217.doi: 10.3969/j.issn.1007-2861.2016.01.006

Previous Articles     Next Articles

Anti-scale performance of polyepoxysuccinic acid with conductivity measurement

ZHU Shuiping, CAO Liya, YIN Tiantian, WANG Chaoqun, LIU Xiaoyan   

  1. School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, China
  • Received:2016-01-10 Online:2016-04-30 Published:2016-04-30

Abstract:

With the proposal and development of green chemistry, corrosion inhibitors tend to be environmental friendly. This paper explores the anti-scale performance of polyepoxysuccinic acid (PESA) on CaCO3 scale, BaCO3 scale, BaSO4 scale at different temperatures and different concentrations with conductivity measurement. The results showed that the ability of anti-scale performance of PESA was good. With the increasing of its concentration, the anti-scale performances of PESA on CaCO3 and BaSO4 continued to strengthen, while BaCO3 decreased after the concentration rised to 40 mg/L. With temperature
increasing, its anti-scale performance of CaCO3 scale decreased, while BaCO3 scale and BaSO4 scale increased. Therefore, PESA is an excellent anti-scale inhibitor suitable for inhibiting CaCO3, CaSO4, and BaSO4 at normal temperature of the factory. Moreover, the conductivity measurement is simple and fast, and it can be used in exploring the anti-scale performance of scale inhibitors.

Key words:  BaCO3 ,  BaSO4,  CaCO3 ,  conductivity measurement ,  scale inhibition , polyepoxysuccinic acid (PESA)