Title:
METHOD FOR ENHANCING QUALITY OF DIESEL OIL
Document Type and Number:
Japanese Patent JPS62250091
Kind Code:
A
Abstract:
A process for upgrading diesel oil comprising the stepsof:(1) reacting the diesel oil with a nitrogenous treating agent;(2) contacting the diesel oil from step (1) above with(a) a primary solvent selected from the group consisting of organic solvents having a dipole moment of about 1.3 or greater and mixtures thereof, with the proviso that alkyl amines and alkanol amines are excluded, or a water mixture of the primary solvent comprising about 50% by weight or less water and;(b) a cosolvent different from the primary solvent selected from the group consisting of an alcohol having 1 to 4 carbon atoms, an aldehyde having 1 or 2 carbon atoms, a ketone having 3 carbon atoms, a carboxylic acid having 1 or 2 carbon atoms and mixtures thereof, or a water mixture of the cosolvent comprising about 50% by weight or less water;wherein the primary solvent and the cosolvent are each immiscible with the diesel oil or are in combination immiscible with the diesel oil, and(3) separating the diesel oil from step (2) above from the primary solvent and from the cosolvent to recover upgraded diesel fuel.
Inventors:
SAIIDO TEI DARIAN
SEIEDOOHAMIDO ARABUSHIYAHI
SEIEDOOHAMIDO ARABUSHIYAHI
Application Number:
JP4125987A
Publication Date:
October 30, 1987
Filing Date:
February 24, 1987
Export Citation:
Assignee:
ENVIRONMENTAL RES & TECH
International Classes:
C10G19/02; C10G21/00; C10G21/02; C10G21/12; C10G29/20; C10G53/04; C10G53/10; C10G53/12; C10L1/08; F02B3/06; (IPC1-7): C10G19/02; C10G21/12; C10G29/20; C10G53/04; C10G53/12
Attorney, Agent or Firm:
Heiyoshi Odashima