Molecular structures of 1-hydroxyethane-1,1-diphosphonic acid for removing calcium sulfate scale under different pH conditions

Author:

Zhao Xiaoyang1,Zhu Xingzhe1,Xiao Xin2ORCID,Nan Junmin2ORCID,Xu Meng3,Wu Chen45ORCID

Affiliation:

1. School of Geomatic and Environmental Engineering, Henan Polytechnic Institute, Nanyang 473000, P.R. China

2. School of Chemistry, South China Normal University, Guangzhou 510006, P.R. China

3. Department of Information, The First Affiliated Hospital, Zhengzhou University, Zhengzhou 450052, P.R. China

4. Department of Physics, School of Science, Harbin University of Science and Technology, Harbin 150080, P.R. China

5. College of Material Science and Engineering, Key Laboratory of Advanced Structural Materials, Ministry of Education, Changchun University of Technology, Changchun 130012, P.R. China

Abstract

The electronic structure analysis of the structures of CaHEDP complexes under different pH conditions reveals that weak alkalinity is the best condition for HEDP to dissolve calcium sulfate scale.

Funder

Science and Technology Department of Henan Province

Department of Science and Technology of Jilin Province

Education Department of Jilin Province

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemical Engineering,General Chemistry

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