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Cooling Tower – Condensate
Agua de enfriamiento
Make Up
Clarifier
Steam Turbine / Condenser
Crystallizer / Separator
Brine Separator
Production Well
Flash Process
Extracts high pressure, high temperature, 302°F (150°C) or greater, brine solution from geothermal wells deep within the earth to produce a flash steam supply that drives a steam turbine. Concentrated brine solution and excess condensed steam are returned to the earth via injection wells.
Agua de enfriamiento
Make Up
Torre de enfriamiento -
Well/Surface/Condensate
Motive Fluid Turbine Condensate
Vaporizer Motive Fluid
Binary Heat Exchanger
Agua de enfriamiento
Injection Well
Brine Injection Well
Binary Process
Utilizes moderate temperature, 212°F (100°C) to 302°F (150°C), brine solution from geothermal wells or from the outlet of a flash plant to heat a motive fluid causing it to vaporize and drive a turbine. Cooled brine solution is returned to the earth via injection wells while the motive fluid is condensed and returned to the front of the binary unit.
Well Treatment
Any flow restriction in the production or injection well systems can result in lost production and increased operating costs. Nalco Water keeps the wells flowing at optimal capacity by removing existing deposits using proprietary on-line / off-line deposit removal strategies and maintain the cleanliness of the system with advanced scale inhibition technologies.
Nalco Water offerings:
- Production Wells
- Scale inhibition - CaCO3, BaSO4, FeSiO2
- Off-line deposit removal
- Corrosion inhibition
- Injection Wells
- Scale inhibition - CaCO3, BaSO4, FeSiO2
- Corrosion inhibition
- Proprietary On-line / Off-line deposit removal strategies
Brine Treatment – Flash Process
Utilizing Nalco Water’s proprietary Geomizer modeling tool coupled with advanced chemistries provides the ability to predict brine solubility throughout the flash plant and outline effective treatment strategies to inhibit the formation of restrictive scale deposits and corrosion.
Nalco Water offerings:
- Scale inhibition – CaCO3, CaSO4, BaSO4, FeSiO2
- Corrosion inhibition
- Geomizer predictive modeling
- Silica removal – CRC process
- Steam system protection
Turbine / Condenser Systems
Geothermal turbines present unique operational challenges. From traditional steam treatment to advanced H2S abatement in the condensate stream and enhanced turbine water washes. Nalco Water can assist you in maintaining optimal power output while remaining in environmental compliance.
Nalco Water offerings:
- OMNI condenser performance monitoring
- On-line cleaning – silicate compounds, calcite
- H2S abatement
- Steam system corrosion protection
Sistemas de enfriamiento de agua
Nalco Water’s emphasis on controlling scale, corrosion, and microbial growth in the cooling water system prepares the water for optimal condenser performance in both flash and binary operations.
Nalco Water offerings:
- 3D TRASAR Cooling Water Technology gives real-time process visibility to critical water parameters
- Advanced cooling water programs ensure excellent corrosion control, scale inhibition, and microbiological control
- H2S abatement – patented
- Treatment of condensate make up water sources (high ammonia / dissolved gases)
- Reduced water use with optimal cycles of concentration
- Assurance that system experts are watching your system 24/7
Brine Treatment – Binary Process
Utilizing Nalco Water’s proprietary Geomizer modeling tool coupled with advanced chemistries provides the ability to predict brine solubility throughout the binary plant and outline effective treatment strategies to inhibit the formation of restrictive scale deposits and corrosion.
Nalco Water offerings:
- Scale inhibition – CaCO3, CaSO4, BaSO4, FeSiO2
- Corrosion inhibition
- Geomizer predictive modeling
- On-line deposit removal
