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Title: Process for removing polymer-forming impurities from naphtha fraction

Patent ·
OSTI ID:864818

Polymer precursor materials are vaporized without polymerization or are removed from a raw naphtha fraction by passing the raw naphtha to a vaporization zone (24) and vaporizing the naphtha in the presence of a wash oil while stripping with hot hydrogen to prevent polymer deposits in the equipment.

Research Organization:
SRC International Inc
DOE Contract Number:
AC05-78OR03055
Assignee:
Pittsburg & Midway Coal Mining Co. (Englewood, CO)
Patent Number(s):
US 4422927
OSTI ID:
864818
Country of Publication:
United States
Language:
English