Limitations and requirements of using the chemical speciation code, MINTEQA2, to predict water quality impacts at fossil plants
Conference
·
OSTI ID:103809
- Tennessee Valley Authority, Chattanooga, TN (United States)
The chemical speciation model, MINTEQA2, was used to simulate the effects of proposed waste process changes on the final waste water effluent at coal-fired power plants. The chemistry of the waste water system at the plants was extremely complex, involving factors such as temperature, redox couples, ionic strength, adsorption, and gas phase equilibria. MINTEQA2 is capable of computing equilibria among the dissolved, adsorbed, solid, and gas phases in an environmental setting. This paper focuses on the limitations and requirements of using the model for these purposes. Specifics include sampling protocols, biological factors, and knowledge of how MINTEQA2 works. This approach could be used to aid in modeling treatment systems for a variety of power generated wastes.
- OSTI ID:
- 103809
- Report Number(s):
- CONF-950414--
- Country of Publication:
- United States
- Language:
- English
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