publication . Article . 2004

TOURGHREACT: A Simulation Program for Non-isothermal Multiphase Reactive Geochemical Transport in Variably Saturated Geologic Media

Xu, Tianfu; Sonnenthal, Eric; Spycher, Nicolas; Pruess, Karsten;
Open Access English
  • Published: 07 Dec 2004
  • Publisher: eScholarship, University of California
  • Country: Mexico
Abstract
TOUGHREACT is a numerical simulation program for chemically reactive non-isothermal flows of multiphase fluids in porous and fractured media. The program was written in Fortran 77 and developed by introducing reactive geochemistry into the multiphase fluid and heat flow simulator TOUGH2. A variety of subsurface thermo-physical-chemical processes are considered under a wide range of conditions of pressure, temperature, water saturation, ionic strength, and pH and Eh. Interactions between mineral assemblages and fluids can occur under local equilibrium or kinetic rates. The gas phase can be chemically active. Precipitation and dissolution reactions can change form...
Subjects
free text keywords: Earth Sciences, Reactive fluid flow Geochemical transport TOUGHREACT Hydrothermal systems Mineral scaling Clay swelling Injectivity enhancement CO2 geologic sequestration Saline aquifer
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