Method for determining effectiveness of catalytic dewaxing react

Details Method for determining effectiveness of catalytic dewaxing react Method for determining effectiveness of catalytic dewaxing react

1986-01-08

1987-10-20

Levy, Stewart J.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Vapor pressure

374 45, G01N 3328

Patent

active

047005629

ABSTRACT:
The pour point of a catalytically dewaxed hydrocarbon oil is determined manually by the ASTM D-97-66 method and also by automatic apparatus such as the Herzog Electronic Pour Point Automatic MC 850 apparatus. A substantial divergence of the two indicates contamination by a waxy hydrocarbon oil such as the feedstock to the dewaxing process.

REFERENCES:
patent: 3248928 (1966-05-01), Conklin et al.
patent: 3590627 (1969-07-01), Campbell
patent: 3668113 (1972-06-01), Burbidge et al.
patent: 3755138 (1973-08-01), Chen et al.
patent: 3894938 (1975-07-01), Gorring et al.
patent: 4137148 (1979-01-01), Gillespie et al.
patent: 4164136 (1979-08-01), Wiggins et al.
patent: 4222855 (1980-09-01), Pelrine et al.

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