Continuous-flow free acid monitoring method and system
Patent
·
OSTI ID:5153314
A free acid monitoring method and apparatus is provided for continuously measuring the excess acid present in a process stream. The disclosed monitoring system and method is based on the relationship of the partial pressure ratio of water and acid in equilibrium with an acid solution at constant temperature. A portion of the process stream is pumped into and flows through the monitor under the influence of gravity and back to the process stream. A continuous flowing sample is vaporized at a constant temperature and the vapor is subsequently condensed. Conductivity measurements of the condensate produces a nonlinear response function from which the free acid molarity of the sample process stream is determined.
- DOE Contract Number:
- W-7405-ENG-26
- Assignee:
- Dept. of Energy
- Patent Number(s):
- None
- OSTI ID:
- 5153314
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
050800* -- Nuclear Fuels-- Spent Fuels Reprocessing
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
ACIDIFICATION
DISPERSIONS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ENERGY SOURCES
EVAPORATORS
FUELS
HYDROGEN COMPOUNDS
INORGANIC ACIDS
MATERIALS
MEDIUM TEMPERATURE
MIXTURES
MONITORING
NITRIC ACID
NUCLEAR FUELS
ON-LINE MEASUREMENT SYSTEMS
ON-LINE SYSTEMS
OPTICAL PROPERTIES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
PROCESS SOLUTIONS
REACTOR MATERIALS
REFRACTIVITY
REPROCESSING
SEPARATION PROCESSES
SOLUTIONS
SPENT FUELS
THERMODYNAMIC PROPERTIES
TITRATION
VAPOR CONDENSATION
VAPOR PRESSURE
WATER
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
ACIDIFICATION
DISPERSIONS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ENERGY SOURCES
EVAPORATORS
FUELS
HYDROGEN COMPOUNDS
INORGANIC ACIDS
MATERIALS
MEDIUM TEMPERATURE
MIXTURES
MONITORING
NITRIC ACID
NUCLEAR FUELS
ON-LINE MEASUREMENT SYSTEMS
ON-LINE SYSTEMS
OPTICAL PROPERTIES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
PROCESS SOLUTIONS
REACTOR MATERIALS
REFRACTIVITY
REPROCESSING
SEPARATION PROCESSES
SOLUTIONS
SPENT FUELS
THERMODYNAMIC PROPERTIES
TITRATION
VAPOR CONDENSATION
VAPOR PRESSURE
WATER