PMID- 34952271
OWN - NLM
STAT- PubMed-not-MEDLINE
LR  - 20220118
IS  - 1095-7103 (Electronic)
IS  - 0021-9797 (Linking)
VI  - 611
DP  - 2022 Apr
TI  - Effect of the passive films on CaCO(3) scale depositing on Q235 steel: 
      Electrochemical and surface investigation.
PG  - 172-182
LID - S0021-9797(21)02214-1 [pii]
LID - 10.1016/j.jcis.2021.12.078 [doi]
AB  - The deposition of the CaCO(3) scale in circulating cooling water is a common and 
      serious concern in the industry, which hinders the heat transfer, reduces water 
      flow and blocks membrane filters. This paper aims at studying the effect of the 
      gamma-Fe(2)O(3), Fe(2)(MoO(4))(3).gamma-Fe(2)O(3) and FePO(4).gamma-Fe(2)O(3) passive films 
      on CaCO(3) scale deposition on Q235 steel by electrochemical methods, including 
      linear sweep voltammetry (LSV), chronoamperometry and electrochemical impedance 
      spectroscopy (EIS) tests. The scale and corrosion inhibition performance of the 
      passive films was evaluated by the residual current density (i(r)) and charge 
      transfer resistance (R(ct)) values. Electrochemical results suggested that the 
      passive films could inhibit corrosion and reduce the CaCO(3) scale deposition on 
      Q235 steel and the FePO(4).gamma-Fe(2)O(3) complex passive film showed the best 
      anti-scaling effect. Scanning electron microscope (SEM) and X-ray diffractometer 
      (XRD) tests showed that the passive films could lead to a decrease in the 
      proportion of aragonite to calcite under cathodic water reduction conditions and 
      the composition of the FePO(4).gamma-Fe(2)O(3) complex passive film could deform the 
      CaCO(3) crystal.
CI  - Copyright (c) 2021 Elsevier Inc. All rights reserved.
FAU - Guo, Yue
AU  - Guo Y
AD  - School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 
      210009, China.
FAU - Chen, Zhihao
AU  - Chen Z
AD  - School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 
      210009, China.
FAU - Yin, Xiaoshuang
AU  - Yin X
AD  - School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 
      210009, China. Electronic address: xsyin@njtech.edu.cn.
FAU - Yang, Wenzhong
AU  - Yang W
AD  - School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 
      210009, China.
FAU - Chen, Yun
AU  - Chen Y
AD  - School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 
      210009, China.
FAU - Liu, Ying
AU  - Liu Y
AD  - School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 
      210009, China.
LA  - eng
PT  - Journal Article
DEP - 20211216
PL  - United States
TA  - J Colloid Interface Sci
JT  - Journal of colloid and interface science
JID - 0043125
SB  - IM
OTO - NOTNLM
OT  - CaCO(3) scale
OT  - Chronoamperometry
OT  - EIS
OT  - Passive film
OT  - Steel
COIS- Declaration of Competing Interest The authors declare that they have no known 
      competing financial interests or personal relationships that could have appeared 
      to influence the work reported in this paper.
EDAT- 2021/12/25 06:00
MHDA- 2021/12/25 06:01
CRDT- 2021/12/24 20:14
PHST- 2021/11/05 00:00 [received]
PHST- 2021/12/08 00:00 [revised]
PHST- 2021/12/12 00:00 [accepted]
PHST- 2021/12/25 06:00 [pubmed]
PHST- 2021/12/25 06:01 [medline]
PHST- 2021/12/24 20:14 [entrez]
AID - S0021-9797(21)02214-1 [pii]
AID - 10.1016/j.jcis.2021.12.078 [doi]
PST - ppublish
SO  - J Colloid Interface Sci. 2022 Apr;611:172-182. doi: 10.1016/j.jcis.2021.12.078. 
      Epub 2021 Dec 16.