Utilization of an ASTM end point temperature for controlling a f

Details Utilization of an ASTM end point temperature for controlling a f Utilization of an ASTM end point temperature for controlling a f

1983-05-27

1985-12-10

Smith, Jerry

Boots, shoes, and leggings

364152, 364500, 203 2, 203DIG18, 202160, G06F 1546

Patent

active

045584230

ABSTRACT:
In a fractional distillation process in which it is desired to maintain a desired ASTM end point temperature of the overhead liquid product withdrawn from the fractional distillation process, changes in the slope of the equilibrium flash vaporization boiling point line are utilized to determine the actual slope of the ASTM boiling point curve at any particular time. The actual ASTM end point temperature for the overhead liquid product is derived based on the actual slope of the ASTM boiling point curve thus determined. The actual ASTM end point temperature is utilized to control the fractional distillation process so as to maintain a desired ASTM end point temperature for the overhead liquid product withdrawn from the fractional distillation process.

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patent: 4007112 (1977-02-01), Beuker et al.
patent: 4295196 (1981-10-01), Furr
patent: 4347577 (1982-08-01), Ganster et al.
An On-Stream Boiling Point Monitor Employing a Microcomputer; Bajek et al., Conference 8.sup.th Imeko Cong. 5/79.

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