inhibition of calcium carbonate and sulfate scales by a non-phosphorus terpolymer aa-apey-amps

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12/7/2014 Taylor & Francis Online http://www.tandfonline.com/doi/full/10.1080/19443994.2014.979443#.VIRJWDGUfp5 1/3 Home > List of Issues > Latest articles > Inhibition of calcium carbonate and sulfate scales by a nonphosphorus terpolymer AAAPEYAMPS Browse journal View all volumes and issues Current issue Latest articles Most read articles Most cited articles Authors and submissions Subscribe About this journal News & offers Desalination and Water Treatment Select Language Translator disclaimer Inhibition of calcium carbonate and sulfate scales by a non phosphorus terpolymer AAAPEYAMPS DOI: 10.1080/19443994.2014.979443 Yunyun Bu a , Yuming Zhou a* , Qingzhao Yao a* , Yiyi Chen a , Wei Sun b & Wendao Wu b Publishing models and article dates explained Received: 21 Jan 2014 Accepted: 17 Oct 2014 Published online: 05 Nov 2014 Article Views: 11 Article usage statistics combine cumulative total PDF downloads and fulltext HTML views from publication date (but no earlier than 25 Jun 2011, launch date of this website) to 05 Dec 2014. Article views are only counted from this site. Although these data are updated every 24 hours, there may be a 48hour delay before the most recent numbers are available. Preview View full text Download full text Access Options Al TOC email alert TOC RSS feed Citation email alert Citation RSS feed Abstract The inhibition of calcite crystal growth by acrylic acidallylpolyethoxy carboxylate2acrylamido2methylpropanesulfonic acid (AAAPEYAMPS, PAYS for short) was investigated in the coolingwater system. The terpolymer was prepared via the copolymerization of acrylic acid (AA), allylpolyethoxy carboxylate (APEY) and 2acrylamido2methylpropanesulfonic acid (AMPS), whose structures were characterized by FTIR and 1 H NMR. In this study, we have investigated the effect of the agent concentration and the ratio of the reactant. The experimental results show that AAAPEYAMPS is an effective chelating scale inhibitor and it has high efficiency toward scales and nearly 90% for calcium carbonate and 100% for calcium sulfate. The produced crystals were characterized by using scanning electron microscopy and Xray diffraction methods. It appears that the crystal shape, size, and the morphology of scale have changed apparently at the dosage of 5 mg/L. Based on the contrast experiment of the problem of scale formation, this paper analyses the mechanism of scale formation and the advantage of PAYS. The supporting mechanism of scale formation was also described and analyzed briefly. View full text

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Inhibition of Calcium Carbonate and Sulfate Scales by a Non-phosphorus Terpolymer AA-APEY-AMPS

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Page 1: Inhibition of Calcium Carbonate and Sulfate Scales by a Non-phosphorus Terpolymer AA-APEY-AMPS

12/7/2014 Taylor & Francis Online

http://www.tandfonline.com/doi/full/10.1080/19443994.2014.979443#.VIRJWDGUfp5 1/3

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Desalination and Water Treatment Select Language ▼Translator disclaimer

Inhibition of calcium carbonate and sulfate scales by a nonphosphorus terpolymer AAAPEYAMPS

DOI:10.1080/19443994.2014.979443

Yunyun Bua, Yuming Zhoua*, Qingzhao Yaoa*, Yiyi Chena, Wei Sunb & Wendao WubPublishing models and article dates explained

Received: 21 Jan 2014Accepted: 17 Oct 2014Published online: 05 Nov 2014

Article Views: 11Article usage statistics combine cumulative total PDF downloads and fulltext HTML views from publication date (but no earlier than 25 Jun 2011, launch date ofthis website) to 05 Dec 2014. Article views are only counted from this site. Although these data are updated every 24 hours, there may be a 48hour delay beforethe most recent numbers are available.

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Abstract

The inhibition of calcite crystal growth by acrylic acidallylpolyethoxy carboxylate2acrylamido2methylpropanesulfonic acid (AAAPEYAMPS, PAYS forshort) was investigated in the coolingwater system. The terpolymer was prepared via the copolymerization of acrylic acid (AA), allylpolyethoxy carboxylate(APEY) and 2acrylamido2methylpropanesulfonic acid (AMPS), whose structures were characterized by FTIR and 1H NMR. In this study, we haveinvestigated the effect of the agent concentration and the ratio of the reactant. The experimental results show that AAAPEYAMPS is an effective chelating scaleinhibitor and it has high efficiency toward scales and nearly 90% for calcium carbonate and 100% for calcium sulfate. The produced crystals were characterized byusing scanning electron microscopy and Xray diffraction methods. It appears that the crystal shape, size, and the morphology of scale have changed apparently atthe dosage of 5 mg/L. Based on the contrast experiment of the problem of scale formation, this paper analyses the mechanism of scale formation and the advantageof PAYS. The supporting mechanism of scale formation was also described and analyzed briefly.

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Page 2: Inhibition of Calcium Carbonate and Sulfate Scales by a Non-phosphorus Terpolymer AA-APEY-AMPS

12/7/2014 Taylor & Francis Online

http://www.tandfonline.com/doi/full/10.1080/19443994.2014.979443#.VIRJWDGUfp5 2/3

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Keywords

Terpolymer,Nonphosphate antiscalant,Calcium carbonate,Calcium sulfate,Mechanism

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InformationFull textReferencesReprints & permissions

DetailsReceived: 21 Jan 2014Accepted: 17 Oct 2014Published online: 05 Nov 2014

Author affiliations

a School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, P.R. China

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Page 3: Inhibition of Calcium Carbonate and Sulfate Scales by a Non-phosphorus Terpolymer AA-APEY-AMPS

12/7/2014 Taylor & Francis Online

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b Jianghai Environmental Protection Co., Ltd, Changzhou 213116, Jiangsu, P.R. China