Illite Dissolution Rates and Equation (100 to 280 dec C)
The objective of this suite of experiments was to develop a useful kinetic dissolution expression for illite applicable over an expanded range of solution pH and temperature conditions representative of subsurface conditions in natural and/or engineered geothermal reservoirs. Using our new data, the resulting rate equation is dependent on both pH and temperature and utilizes two specific dissolution mechanisms (a “neutral” and a “basic” mechanism). The form of this rate equation should be easily incorporated into most existing reactive transport codes for to predict rock-water interactions in EGS shear zones.
- Research Organization:
- USDOE Geothermal Data Repository (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Geothermal Technologies Office
- Contributing Organization:
- Lawrence Livermore National Laboratory
- DOE Contract Number:
- FY14 AOP 1.4.2.2
- OSTI ID:
- 1159941
- Report Number(s):
- 454
- Availability:
- GDRHelp@EE.Doe.Gov
- Country of Publication:
- United States
- Language:
- English
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