Creation and study of formulations as inhibitors of metal corrosion and scaling for stabilization water treatment in water utilization systems (a review)

Tsirul'nikova, N. V.; Bolt, Ya.V.; Dernovaya, E.S.; Дрикер, Б. Н.; Fetisova, T. S.

doi:10.17675/2305-6894-2016-5-1-6

Cited by 11 publications

(11 citation statements)

References 40 publications

(59 reference statements)

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“…An optimal DPP:Me molar ratio was determined by estimating the efficiency of DPP-Me (Zn, Mg) formulation as corrosion inhibitors, based on the anti-corrosion activity data obtained for a series of compounds containing various amounts of Me (Table 1). The choice of Zn(II) is quite apparent: it is well known that Zn(II) as a component of the OP-based formulations makes them capable of corrosion inhibition [1,2]. However, the use of Zn-containing reagents leads to some environmental stress.…”

Section: Methodsmentioning

confidence: 99%

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Mg(II) and Zn(II) сomplexonates with a 1,3-diamino-2-propanol phosphorus-containing derivative as corrosion and scaling inhibitors

Tsirul'nikova¹,

Дрикер²,

Fetisova³

et al. 2020

Int. J. Corros. Scale Inhib.

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Based on IOMS-1, an available, rather inexpensive and rather popular domestic scaling inhibitor used for stabilization treatment of water utilisation systems at industrial plants, small and large power plants and in utility systems, a new formulation has been developed that meets the requirements for phosphonate-based formulations of this type. In order to increase the scaling inhibition activity and ensure the ability to inhibit the corrosion of metals, rather small amounts of diaminopropanolmethylphosphonic acids (DPP) and their Zn(II) and Mg(II) complexes that showed high inhibitive capability were added to the formulation. Estimation of the effect of the DPP:metal molar ratio on the corrosion rate at various temperatures has shown that the maximum efficiency of corrosion inhibition is achieved at a DPP:Me molar ratio of 3:1-2:1 and with the DPP-Mg complexonate. In such case, the corrosion rate decreases with an increase in temperature, whereas it increases by about 8-10% per each 10℃ in the absence of complexonates. Since the use of DPP alone is economically unjustified, the efficiency of formulations obtained at various IOMS-1:DPP-Mg molar rations was studied. A high inhibitive activity both for scaling and corrosion was found at the molar ratio of the reagents of 3:1, respectively. The maximum scaling inhibition similar to that of DPP was achieved without lowering the cost efficiency of the new formulation compared to IOMS-1.

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Section: Methodsmentioning

confidence: 99%

“…The issue of creating new reagents that can prevent metal corrosion and scale formation in pipelines of water distribution systems and processing equipment continues to be relevant [1,2].…”

Section: Introductionmentioning

confidence: 99%

Mg(II) and Zn(II) сomplexonates with a 1,3-diamino-2-propanol phosphorus-containing derivative as corrosion and scaling inhibitors

Tsirul'nikova¹,

Дрикер²,

Fetisova³

et al. 2020

Int. J. Corros. Scale Inhib.

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“…SEM micrographs [25][26][27] are used to examine the nature of the surface film formed on the metal in the presence and absence of inhibitors. The SEM images of magnifications (50 µm) of aluminium(6061) and aluminium(6061) immersed in aqueous solution at pH 11 for 1 day in the presence and absence of inhibitor system are shown in Figure 12 as images (a,b and c) respectively.…”

Section: Scanning Electron Microscope (Sem)mentioning

confidence: 99%

The inhibition effect of o-nitrophenol and Zn2+ system on corrosion of aluminium

2017

Int. J. Corros. Scale Inhib.

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Corrosion inhibition of aluminum (6061) in aqueous solution at pH 11 by o-nitrophenolZn 2+ systems has been reported. The study was carried out using classical weight loss method, potentiodynamic polarization study and Fourier Transform Infra-red Spectrocopy (FTIR) Technique. Experimental results indicated that the presence of o-nitrophenol-Zn 2+ inhibit the corrosion of Al(6061). The inhibition efficiency (IE) has been determined by the classical weight loss method. The maximum inhibition efficiency offered by the onitrophenol 250 ppm and Zn 2+ 50 ppm system is 94%. To determine the values of Linear polarization resistance (LPR) and corrosion current (I corr ), potentiodynamic polarization study has been used and it reveal that the inhibitor act as anodic inhibitor and it controls the anodic reaction. The protective film has been characterized by FTIR, SEM, EDAX and AFM. The protective film consists of Al 3+ -o-nitrophenol complex on the anodic metal surface. By using Density Functional Theory (DFT) various quantum chemical parameters such as E HOMO (highest occupied molecular orbital energy), E LUMO (lowest unoccupied molecular orbital energy), energy gap (ΔE), electron affinity (A), ionization potential (I), absolute electronegativity (χ), global hardness (η), softness (S), fraction of electrons transferred (ΔN) have been calculated and discussed. The theoretical results were found to be consistent with the experimental data generated. The inhibition efficiency of the inhibitor is evaluated by weight loss method.

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“…[13][14][15][16][17] It should be noted, that the structure of protective layers formed on the surface of steel under its contact with an aqueous medium containing organophosphonic acids and metal ions has been the most intensively studied. [13] The synergism between metal ions and organophosphonic acids is attributed to the formation of polynuclear complexes possessing 2D layer or 3D network polymeric structure [14][15][16] on the metal surface. The anti-corrosion efficiency of combinations of metal ions and organophosphonic acids has been shown to strongly depend on the pH of aqueous media and the nature of organophosphonic ligand.…”

Section: Introductionmentioning

confidence: 99%

Zinc and Cadmium Nitrilotris(methylenephosphonate)s: A Comparative Study of Different Coordination Structures for Corrosion Inhibition of Steels in Neutral Aqueous Media

et al. 2020

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The paper gives a comparative analysis between different coordination structures, determined by single crystal XRD, of Zn and Cd NTP complexes used as corrosion inhibitors for steels in aqueous media according to voltammetry data. The paper provides the results for polymeric O-coordinated complexes and mononuclear N,O-coordinated complexes of both metals. Structural differences between complexes of the same metal which possess different structures (polymeric and mononuclear) lead to their different anti-corrosion activity. Polymeric O-coordinated complexes of both metals exhibit low anti-corrosion activity. N,O-coordinated complexes of Zn and Cd are effective corrosion inhibitors, with Cd complex being four times more effective than Zn complexes.

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Creation and study of formulations as inhibitors of metal corrosion and scaling for stabilization water treatment in water utilization systems (a review)

Abstract: This review summarizes studies for the past 5 years aimed at creation of efficient organophosphonate reagents for the stabilization water treatment aimed at preventing metal corrosion and scaling in water utilization systems.

Cited by 11 publications

References 40 publications

Mg(II) and Zn(II) сomplexonates with a 1,3-diamino-2-propanol phosphorus-containing derivative as corrosion and scaling inhibitors

Mg(II) and Zn(II) сomplexonates with a 1,3-diamino-2-propanol phosphorus-containing derivative as corrosion and scaling inhibitors

The inhibition effect of o-nitrophenol and Zn2+ system on corrosion of aluminium

Zinc and Cadmium Nitrilotris(methylenephosphonate)s: A Comparative Study of Different Coordination Structures for Corrosion Inhibition of Steels in Neutral Aqueous Media

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