Method for improving the yield of lighter components in heat-ref

Details Method for improving the yield of lighter components in heat-ref Method for improving the yield of lighter components in heat-ref

1997-06-27

2000-08-15

Myers, Helane E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208 48R, 208 48AA, C10G 926, C10G 912

Patent

active

06103102&

ABSTRACT:
Method for improving the yield of lighter components in heat-refining process of petroleum heavy oil, and additive used in the method. The heat-treatment in a heating unit is effected in the presence of at least one compound (I) having at least one mercapto alkylthio group: HS--C.sub.m H.sub.2m --S--, in which "m" is an integer of 2 to 4.

REFERENCES:
patent: 4566878 (1986-01-01), Karol et al.
patent: 4587007 (1986-05-01), Rudnick
Australian Search Report dated Nov. 6, 1998 International Search Report dated Feb. 22, 1988.

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