Liquefaction with microencapsulated catalysts

Patent · Tue Jan 01 00:00:00 EST 1985

OSTI ID:865458

Weller, Sol W ^[1]

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1. Williamsville, NY

A method of dispersing a liquefaction catalyst within coal or other carbonaceous solids involves providing a suspension in oil of microcapsules containing the catalyst. An aqueous solution of a catalytic metal salt is emulsified in the water-immiscible oil and the resulting minute droplets microencapsulated in polymeric shells by interfacial polycondensation. The catalyst is subsequently blended and dispersed throughout the powdered carbonaceous material to be liquefied. At liquefaction temperatures the polymeric microcapsules are destroyed and the catalyst converted to minute crystallites in intimate contact with the carbonaceous material.

• Research Organization: University of New York State
• DOE Contract Number: FG22-81PC40781
• Assignee: United States of America as represented by United States (Washington, DC)
• Patent Number(s): US 4518478
• OSTI ID: 865458
• Country of Publication: United States
• Language: English

Related Subjects

liquefaction
microencapsulated
catalysts
method
dispersing
catalyst
coal
carbonaceous
solids
involves
providing
suspension
oil
microcapsules
containing
aqueous
solution
catalytic
metal
salt
emulsified
water-immiscible
resulting
minute
droplets
polymeric
shells
interfacial
polycondensation
subsequently
blended
dispersed
throughout
powdered
material
liquefied
temperatures
destroyed
converted
crystallites
intimate
contact
carbonaceous solid
dispersed throughout
aqueous solution
carbonaceous material
metal salt
intimate contact
carbonaceous solids
involves providing
catalytic metal
liquefaction catalyst
/208/502/