Process flow injection analyzer and method
AssigneeOlin Corporation
InventorsItalo A. Capuano, William T. Lefebvre, Kenneth E. Creasy
Life of this patent
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Abstract
A method and analyzer for monitoring the progress of a chemical process in which a fixed volume sample of the reactive mixture of the chemical process is periodically gathered and injected into a fluid stream of a liquid carrier. The sample in the liquid carrier is passed through an infrared detector which detects the amount present in the sample of a species of the reaction mixture which is indicative of the progress of the chemical process.
Claims2
A method for monitoring a chemical reaction in a chemical process comprising:
- a. gathering a fixed predetermined volume of sample of a reaction mixture of the chemical process;
- b. injecting the gathered sample into a flow stream of a dry organic liquid carrier;
- c. passing said flow stream of said dry organic liquid carrier containing the sample through an infrared detector to detect an amount of a species in the sample which is indicative of the progress of the chemical reaction in the chemical process;
- and
- d. repeating said steps of gathering, injecting and passing at periodic intervals during the course of the chemical reaction in the chemical process,
- wherein said organic liquid carrier contains a quenching agent for quenching the reaction of the reaction mixture of the sample.
A method for monitoring a chemical reaction in a chemical process comprising:
- a. continuously circulating a portion of a reaction mixture of the chemical process from the chemical proceeds through a sample infeed line and back to the process;
- b. diverting a portion of the reaction mixture portion being recirculated from the sample infeed line to a sample gatherer;
- c. gathering a fixed volume sample of the reaction mixture of the chemical process from the diverted portion of the reaction mixture;
- d. periodically injecting a fixed volume sample into a flow stream of an organic liquid carrier;
- and
- e. passing said flow stream of said organic liquid carrier containing the fixed volume sample through an infrared detector to detect an amount of a species of the reaction mixture which is indicative of the progress of the chemical process,
- wherein said organic liquid carrier contains a quenching agent for quenching the reaction of the reaction mixture of the sample.
Dependencies are inferred from the claim text.