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Title: Automated gas chromatography

Abstract

An apparatus and process for the continuous, near real-time monitoring of low-level concentrations of organic compounds in a liquid, and, more particularly, a water stream. A small liquid volume of flow from a liquid process stream containing organic compounds is diverted by an automated process to a heated vaporization capillary where the liquid volume is vaporized to a gas that flows to an automated gas chromatograph separation column to chromatographically separate the organic compounds. Organic compounds are detected and the information transmitted to a control system for use in process control. Concentrations of organic compounds less than one part per million are detected in less than one minute. 7 figs.

Inventors:
; ; ;
Issue Date:
Sponsoring Org.:
USDOE; USDOE, Washington, DC (United States)
OSTI Identifier:
6173260
Patent Number(s):
5922106 A
Application Number:
PPN: US 9-063234
Assignee:
Sandia Corp., Albuquerque, NM (United States) SNL; EDB-99-085453
DOE Contract Number:  
AC04-94AL85000
Resource Type:
Patent
Resource Relation:
Patent File Date: 20 Apr 1998
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; 32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; DESIGN; GAS CHROMATOGRAPHY; ON-LINE MEASUREMENT SYSTEMS; ORGANIC COMPOUNDS; PROCESS CONTROL; PROCESS SOLUTIONS; CHROMATOGRAPHY; CONTROL; DISPERSIONS; MIXTURES; ON-LINE SYSTEMS; SEPARATION PROCESSES; SOLUTIONS; 400102* - Chemical & Spectral Procedures; 320303 - Energy Conservation, Consumption, & Utilization- Industrial & Agricultural Processes- Equipment & Processes

Citation Formats

Mowry, C.D., Blair, D.S., Rodacy, P.J., and Reber, S.D. Automated gas chromatography. United States: N. p., 1999. Web.
Mowry, C.D., Blair, D.S., Rodacy, P.J., & Reber, S.D. Automated gas chromatography. United States.
Mowry, C.D., Blair, D.S., Rodacy, P.J., and Reber, S.D. Tue . "Automated gas chromatography". United States.
@article{osti_6173260,
title = {Automated gas chromatography},
author = {Mowry, C.D. and Blair, D.S. and Rodacy, P.J. and Reber, S.D.},
abstractNote = {An apparatus and process for the continuous, near real-time monitoring of low-level concentrations of organic compounds in a liquid, and, more particularly, a water stream. A small liquid volume of flow from a liquid process stream containing organic compounds is diverted by an automated process to a heated vaporization capillary where the liquid volume is vaporized to a gas that flows to an automated gas chromatograph separation column to chromatographically separate the organic compounds. Organic compounds are detected and the information transmitted to a control system for use in process control. Concentrations of organic compounds less than one part per million are detected in less than one minute. 7 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1999},
month = {7}
}