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Theoretical Studies of Cerro Prieto Brines Chemical Equilibria

E. R. Iglesias, O. Weres

Location
Cerro Prieto, Mexico
Conference
DOE-CFE Symposium on Cerro Prieto
Year
1979
Session
Geochemistry
Language
English

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Abstract

We use a chemical equilibrium model, implemented in a compact FORTRAN package called HITEO, to investigate possible mineral deposition related to prereinjection treatment of Cerro Prieto brines for silica removal. Large saturation ratios of the treated brines with respect to several minerals are indicated by these computations. As a remedy, we propose an inexpensive CO2 removal scheme aimed at inhibiting carbonate mineral precipitation. This scheme is quantitatively discussed with the aid of HITEO. We conclude that the proposed treatment is both technically and economically feasible.

Se investiga el posible deposito de minerales relacionado con el tratamiento de erreinyeccion para la remocion de la sflice de las salmueras de Cerro Prieto, utilizando n modele de equilibrio quimico implantado en un compacto programa FORTRAN Iamado HITEO. Estos dilculos indican la existencia de grandes proporciones de saturacion de las salmueras tratadas con respecto a varios minerales. Como solucion se propone un squema economico de remoci6n de C02 que apunta a inhibir la precipitacion de carbonatos. Dicho esquema se analiza cuantitativamente con la ayuda de HITEO. Se concluye que el tratamiento propuesto es tecnica y economicamente factible.

Copyright 1979, DOE-CFE Symposium on Cerro Prieto. Readers who download papers from this site should honour the copyright of the original authors, and may not copy or distribute the work further without the permission of the original publisher.

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