Apparatus and method for measuring components of a solute stream
First Claim
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1. A method of monitoring the amount of solute added to a liquid stream, the method comprising:
- a) introducing a solute stream into said liquid stream, said solute stream comprising, in known ratio, the solute and an indicator agent;
b) subjecting at least a portion of said liquid stream to radiation;
c) measuring an optical parameter of said indicator agent in the liquid stream to determine the concentration of said indicator agent; and
d) determining the concentration of said solute in said liquid stream, based upon the concentration of said indicator agent in said liquid stream.
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Abstract
The invention features an apparatus and method for determining and controlling the concentration of a solute in a solute stream by measuring the concentration of an indicator agent.
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Citations
19 Claims
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1. A method of monitoring the amount of solute added to a liquid stream, the method comprising:
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a) introducing a solute stream into said liquid stream, said solute stream comprising, in known ratio, the solute and an indicator agent; b) subjecting at least a portion of said liquid stream to radiation; c) measuring an optical parameter of said indicator agent in the liquid stream to determine the concentration of said indicator agent; and d) determining the concentration of said solute in said liquid stream, based upon the concentration of said indicator agent in said liquid stream. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An apparatus for regulating the concentration of a solute in a fluid stream, the apparatus comprising:
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a) a metering pump for introducing a mixture of a solute and an indicator agent into the fluid stream; b) a detector for measuring the concentration of said indicator agent, wherein said detector samples the fluid stream at a point downstream from said metering pump, wherein said detector transmits a signal corresponding to the measured concentration of the indicator agent to said metering pump, and wherein said metering pump adjusts the amount of solute and indicator agent introduced into said fluid stream according to the measured concentration of the indicator agent. - View Dependent Claims (18, 19)
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Specification