Effect of pH on the efficiency of sodium hexametaphosphate as calcium carbonate scale inhibitor at high temperature and high pressure
被引:54
作者:
de Morais, Stephanie C.
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Univ Fed Rio Grande do Norte, UFRN, BR-59078970 Natal, RN, BrazilUniv Fed Rio Grande do Norte, UFRN, BR-59078970 Natal, RN, Brazil
de Morais, Stephanie C.
[1
]
de Lima, Djalan F.
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Univ Fed Rio Grande do Norte, UFRN, BR-59078970 Natal, RN, BrazilUniv Fed Rio Grande do Norte, UFRN, BR-59078970 Natal, RN, Brazil
de Lima, Djalan F.
[1
]
Ferreira, Thuany M.
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Univ Fed Santa Catarina, UFSC, BR-88040900 Florianopolis, SC, BrazilUniv Fed Rio Grande do Norte, UFRN, BR-59078970 Natal, RN, Brazil
Ferreira, Thuany M.
[2
]
Domingos, Josiel B.
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机构:
Univ Fed Santa Catarina, UFSC, BR-88040900 Florianopolis, SC, BrazilUniv Fed Rio Grande do Norte, UFRN, BR-59078970 Natal, RN, Brazil
Domingos, Josiel B.
[2
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de Souza, Miguel Angelo F.
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Univ Fed Rio Grande do Norte, UFRN, BR-59078970 Natal, RN, BrazilUniv Fed Rio Grande do Norte, UFRN, BR-59078970 Natal, RN, Brazil
de Souza, Miguel Angelo F.
[1
]
Castro, Bruno B.
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机构:
Petrobras SA, CENPES, Ctr Pesquisa & Desenvolvimento Leopoldo Amer Migu, Rio De Janeiro, RJ, BrazilUniv Fed Rio Grande do Norte, UFRN, BR-59078970 Natal, RN, Brazil
Castro, Bruno B.
[3
]
Balaban, Rosangela de C.
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Univ Fed Rio Grande do Norte, UFRN, BR-59078970 Natal, RN, BrazilUniv Fed Rio Grande do Norte, UFRN, BR-59078970 Natal, RN, Brazil
Balaban, Rosangela de C.
[1
]
机构:
[1] Univ Fed Rio Grande do Norte, UFRN, BR-59078970 Natal, RN, Brazil
[2] Univ Fed Santa Catarina, UFSC, BR-88040900 Florianopolis, SC, Brazil
[3] Petrobras SA, CENPES, Ctr Pesquisa & Desenvolvimento Leopoldo Amer Migu, Rio De Janeiro, RJ, Brazil
Calcium carbonate (CaCO3) scale deposition causes serious issues in industries which deal with water, and its formation reaction is pH-depending. This study investigated the efficiency of sodium hexametaphosphate (SHMP) as scale inhibitor for calcium carbonate, as a function of pH and SHMP concentration, under drastic conditions of temperature, scaling ions concentration and pressure. The relationship between pH and CaCO3 formation parameters was evaluated by static and dynamic tube blocking tests and scanning electron microscopy (SEM) images. Quantum chemistry calculations were performed to evaluate thermodynamic values related to interactions between the inhibitor and CaCO3. At pH 6.5, excellent results were found with complete inhibition of CaCO3 deposition on capillary with just 2.5 mg L-1 of SHMP and deformed structures for CaCO3 crystals were observed by SEM images. Results also showed a reversal behavior of SHMP as inhibitor at pH neutral and slightly alkaline, with a decrease on inhibition efficiency even raising SHMP concentration, related to the fast precipitation of CaCO3 in the drastic conditions evaluated.
机构:
Univ Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, BrazilUniv Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, Brazil
de Freitas, Gutto R. S.
;
Coelho, Sara E.
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机构:
Univ Fed Santa Catarina, Dept Quim, Lab Catalise Biomimet, BR-88040900 Florianopolis, SC, BrazilUniv Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, Brazil
Coelho, Sara E.
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Monteiro, Norberto K. V.
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h-index: 0
机构:
Univ Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, BrazilUniv Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, Brazil
Monteiro, Norberto K. V.
;
Neri, Jannyely Moreira
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h-index: 0
机构:
Univ Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, BrazilUniv Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, Brazil
Neri, Jannyely Moreira
;
Cavalcanti, Livia Nunes
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h-index: 0
机构:
Univ Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, BrazilUniv Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, Brazil
Cavalcanti, Livia Nunes
;
Domingos, Josiel B.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Fed Santa Catarina, Dept Quim, Lab Catalise Biomimet, BR-88040900 Florianopolis, SC, BrazilUniv Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, Brazil
Domingos, Josiel B.
;
Vieira, Davi S.
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h-index: 0
机构:
Univ Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, BrazilUniv Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, Brazil
Vieira, Davi S.
;
de Souza, Miguel A. F.
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h-index: 0
机构:
Univ Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, BrazilUniv Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, Brazil
de Souza, Miguel A. F.
;
Menezes, Fabricio G.
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h-index: 0
机构:
Univ Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, BrazilUniv Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, Brazil
机构:
Univ Nacl Colombia, Sede Medellin, Fac Minas, Grp Invest Fenomenos Superficie Michael Polanyi, Kra 80 65-223, Medellin, ColombiaUniv Nacl Colombia, Sede Medellin, Fac Minas, Grp Invest Fenomenos Superficie Michael Polanyi, Kra 80 65-223, Medellin, Colombia
Franco-Aguirre, Maribel
;
Zabala, Richard D.
论文数: 0引用数: 0
h-index: 0
机构:
Ecopetrol SA, Gerencia Desarrollo Yacimientos, Vicepresidencia Tecn Desarrollo, Cra 7 32-42,Piso 15,Edificio San Martin, Bogota, ColombiaUniv Nacl Colombia, Sede Medellin, Fac Minas, Grp Invest Fenomenos Superficie Michael Polanyi, Kra 80 65-223, Medellin, Colombia
Zabala, Richard D.
;
Lopera, Sergio H.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Nacl Colombia, Sede Medellin, Fac Minas, Grp Invest Yacimientos Hidrocarburos, Kra 80 65-223, Medellin, ColombiaUniv Nacl Colombia, Sede Medellin, Fac Minas, Grp Invest Fenomenos Superficie Michael Polanyi, Kra 80 65-223, Medellin, Colombia
Lopera, Sergio H.
;
Franco, Camilo A.
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h-index: 0
机构:
Univ Nacl Colombia, Sede Medellin, Fac Minas, Grp Invest Fenomenos Superficie Michael Polanyi, Kra 80 65-223, Medellin, ColombiaUniv Nacl Colombia, Sede Medellin, Fac Minas, Grp Invest Fenomenos Superficie Michael Polanyi, Kra 80 65-223, Medellin, Colombia
Franco, Camilo A.
;
Cortes, Farid B.
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h-index: 0
机构:
Univ Nacl Colombia, Sede Medellin, Fac Minas, Grp Invest Fenomenos Superficie Michael Polanyi, Kra 80 65-223, Medellin, ColombiaUniv Nacl Colombia, Sede Medellin, Fac Minas, Grp Invest Fenomenos Superficie Michael Polanyi, Kra 80 65-223, Medellin, Colombia
机构:
Univ Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, BrazilUniv Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, Brazil
de Freitas, Gutto R. S.
;
Coelho, Sara E.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Fed Santa Catarina, Dept Quim, Lab Catalise Biomimet, BR-88040900 Florianopolis, SC, BrazilUniv Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, Brazil
Coelho, Sara E.
;
Monteiro, Norberto K. V.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, BrazilUniv Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, Brazil
Monteiro, Norberto K. V.
;
Neri, Jannyely Moreira
论文数: 0引用数: 0
h-index: 0
机构:
Univ Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, BrazilUniv Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, Brazil
Neri, Jannyely Moreira
;
Cavalcanti, Livia Nunes
论文数: 0引用数: 0
h-index: 0
机构:
Univ Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, BrazilUniv Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, Brazil
Cavalcanti, Livia Nunes
;
Domingos, Josiel B.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Fed Santa Catarina, Dept Quim, Lab Catalise Biomimet, BR-88040900 Florianopolis, SC, BrazilUniv Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, Brazil
Domingos, Josiel B.
;
Vieira, Davi S.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, BrazilUniv Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, Brazil
Vieira, Davi S.
;
de Souza, Miguel A. F.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, BrazilUniv Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, Brazil
de Souza, Miguel A. F.
;
Menezes, Fabricio G.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, BrazilUniv Fed Rio Grande do Norte, Inst Quim, Quim Biol & Quimiometria, BR-59072970 Natal, RN, Brazil
机构:
Univ Nacl Colombia, Sede Medellin, Fac Minas, Grp Invest Fenomenos Superficie Michael Polanyi, Kra 80 65-223, Medellin, ColombiaUniv Nacl Colombia, Sede Medellin, Fac Minas, Grp Invest Fenomenos Superficie Michael Polanyi, Kra 80 65-223, Medellin, Colombia
Franco-Aguirre, Maribel
;
Zabala, Richard D.
论文数: 0引用数: 0
h-index: 0
机构:
Ecopetrol SA, Gerencia Desarrollo Yacimientos, Vicepresidencia Tecn Desarrollo, Cra 7 32-42,Piso 15,Edificio San Martin, Bogota, ColombiaUniv Nacl Colombia, Sede Medellin, Fac Minas, Grp Invest Fenomenos Superficie Michael Polanyi, Kra 80 65-223, Medellin, Colombia
Zabala, Richard D.
;
Lopera, Sergio H.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Nacl Colombia, Sede Medellin, Fac Minas, Grp Invest Yacimientos Hidrocarburos, Kra 80 65-223, Medellin, ColombiaUniv Nacl Colombia, Sede Medellin, Fac Minas, Grp Invest Fenomenos Superficie Michael Polanyi, Kra 80 65-223, Medellin, Colombia
Lopera, Sergio H.
;
Franco, Camilo A.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Nacl Colombia, Sede Medellin, Fac Minas, Grp Invest Fenomenos Superficie Michael Polanyi, Kra 80 65-223, Medellin, ColombiaUniv Nacl Colombia, Sede Medellin, Fac Minas, Grp Invest Fenomenos Superficie Michael Polanyi, Kra 80 65-223, Medellin, Colombia
Franco, Camilo A.
;
Cortes, Farid B.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Nacl Colombia, Sede Medellin, Fac Minas, Grp Invest Fenomenos Superficie Michael Polanyi, Kra 80 65-223, Medellin, ColombiaUniv Nacl Colombia, Sede Medellin, Fac Minas, Grp Invest Fenomenos Superficie Michael Polanyi, Kra 80 65-223, Medellin, Colombia