Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1991-11-26
1993-06-29
Hannaher, Constantine
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
250339, 436 55, G01N 2135, G01N 2159
Patent
active
052237141
ABSTRACT:
The octane of components used in the blending of gasoline is used to predict the octane of the finished gasoline blend by measuring absorbances, preferably in the near-infrared range, and metering the fraction of each blending component as independent variables and performing a multiple regression on the data modeling the dependent variable of the various octanes. Percent aromatics in diesel fuel and other finished chemical or physical properties of the finished blend can be controlled by feed-forward and/or feed-back techniques.
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Kelly et al, "Prediction of Gasoline Octane Numbers from Near Infrared Spectral Features in the Range 660-1215 nm", Analytical Chemistry, vol. 61, No. 4, Feb. 15, 1989, pp. 313-320.
Kelly et al, "Nondestructive Analytical Procedure for Simultaneous Estimation of the Major Classes of Hydrocarbon Constituents of Finished Gasolines", Analytical Chemistry, vol. 62, No. 14, Jul. 15, 1990 pp. 1444-1451.
"Advances in Near Infrared Analyzer Technology", Dr. H. Mark & Dr. G. Kemeny, Chemical Processing, Feb. 1991.
LT Application Note, Industry: Petroleum; "Determination of Octane Number by NIR", LT Industries, Inc., Rockville, Md. (.about.1989).
"Near-Infrared Reflectance Analysis by Gauss-Jordan Linear Algebra", by D. E. Honigs et al., Applied Spectroscopy, vol. 37, No. 6, 1983.
Ashland Oil Inc.
Glick Edward J.
Hannaher Constantine
Willson, Jr. Richard C.
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