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Title: Method and apparatus for real-time measurement of fuel gas compositions and heating values

Patent ·
OSTI ID:1243321
; ; ;

An exemplary embodiment can be an apparatus for real-time, in situ measurement of gas compositions and heating values. The apparatus includes a near infrared sensor for measuring concentrations of hydrocarbons and carbon dioxide, a mid infrared sensor for measuring concentrations of carbon monoxide and a semiconductor based sensor for measuring concentrations of hydrogen gas. A data processor having a computer program for reducing the effects of cross-sensitivities of the sensors to components other than target components of the sensors is also included. Also provided are corresponding or associated methods for real-time, in situ determination of a composition and heating value of a fuel gas.

Research Organization:
Gas Technology Institute, Des Plaines, IL (United States) North Carolina State University, Raleigh, NC (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
EE0000556
Assignee:
Gas Technology Institute (Des Plaines, IL) North Carolina State University (Raleigh, NC)
Patent Number(s):
9,291,610
Application Number:
13/887,563
OSTI ID:
1243321
Resource Relation:
Patent File Date: 2013 May 06
Country of Publication:
United States
Language:
English

References (7)

A Real-Time Method for Determining the Composition and Heating Value of Opportunity Fuel Blends conference July 2013
Substoichiometric combustion of low heating value gases patent May 1983
Electro-chemical sensor for the detection of reducing gases, in particular carbon monoxide, hydrazine and hydrogen in air patent July 1983
Thick film sensor for hydrogen and carbon monoxide patent August 1983
Solid-state gas sensor for carbon monoxide and hydrogen patent August 1995
Method for determining at least one energetic property of a gas fuel mixture by measuring physical properties of the gas mixture patent August 2006
Semiconductor laser natural gas analysis system and method patent July 2010

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