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Sodium silicate as a coke inhibitor during naphtha pyrolysis
Author(s) -
Ghosh Kalyan K.,
Kunzru Deepak
Publication year - 1992
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450700228
Subject(s) - naphtha , coke , sodium silicate , pyrolysis , silicate , sodium , materials science , metallurgy , autoclave , metal , chemical engineering , chemistry , catalysis , organic chemistry , engineering
Rates of coke formation during steam pyrolysis of naphtha have been investigated in a jet‐stirred reactor both for sodium silicate coated and uncoated Inconel 600 surfaces in the temperature range of 1078–1108 K. Coke formation rates were significantly reduced on sodium silicate coated plates due to the passivation of the metal surface. However, the coking rates gradually increased with successive decokings of the coated surface.