2019
DOI: 10.1039/c9ew00351g
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Impacts of antiscalants on the formation of calcium solids: implication on scaling potential of desalination concentrate

Abstract: Brackish water desalination has become increasingly important in arid inland regions for reliable water supplies, but the management of desalination brine waste is costly.

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Cited by 23 publications
(24 citation statements)
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“…Nevertheless, phosphorous compounds are oen unfriendly to the environment and they could cause heavy eutrophication and increase in the biofouling of membrane systems. 11,12 Polycarboxylic acid additives, such as poly(acrylic acid), polymaleic acid and polyepoxysuccinic acid, usually have low calcium tolerance and can form insoluble calcium-polymer salts. [13][14][15][16] Therefore, it is urgent to develop green and highly-efficient scale inhibitors.…”
Section: Introductionmentioning
confidence: 99%
“…Nevertheless, phosphorous compounds are oen unfriendly to the environment and they could cause heavy eutrophication and increase in the biofouling of membrane systems. 11,12 Polycarboxylic acid additives, such as poly(acrylic acid), polymaleic acid and polyepoxysuccinic acid, usually have low calcium tolerance and can form insoluble calcium-polymer salts. [13][14][15][16] Therefore, it is urgent to develop green and highly-efficient scale inhibitors.…”
Section: Introductionmentioning
confidence: 99%
“…Chemical structure, molecular weight, and dosage of additives all are known to govern the efficacy of polymeric type inhibitors (Abdel-Aal et al, 2015), (Jain et al, 2019), (Akyol et al, 2006). Based on the literature review, three polymeric additives -Poly(acrylic acid) (PAA), Poly(diallyldimethylammonium chloride) (PDADMAC), and Polyethyleneimine (PEI) were selected for the present study.…”
Section: Inhibition Of Scale Formation By Surfactant and Polymeric Additivesmentioning
confidence: 99%
“…[3] Many investigators have focused on the use of water-soluble inhibitors to mitigate calcium-based scale. Functional groups, [8,16,[26][27][28][29][30][31][32][33][34][35][36][37][38] copolymers composition, [39][40][41][42][43] molecular weight, [26,27,31,42,44] and concentration [8,11,27,31,41,43] can all impact additive efficacy. These may act either as threshold inhibitors to block the development of supercritical nuclei, as retarders of the growth of the calcium sulphate crystals, or as dispersants.…”
Section: Introductionmentioning
confidence: 99%