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Stable aqueous suspension of partial oxidation ash, slag and char containing polyethoxylated quaternary ammonium salt surfactant

Patent ·
OSTI ID:5395035
; ;
This patent describes a pumpable aqueous suspension of particulate matter with reduced viscosity and increased resistance to sedimentation. It has a particle size in the range of about 37-2000 microns as produced by quench cooling of scrubbing the hot raw effluent gas stream comprising H/sub 2/+CO at a temperature in the range of about 1700{sup 0}F - 3000{sup 0}F from the partial oxidation of solid carbonaceous fuel selected from the group consisting of anthracite, bituminous, sub-bituminous and lignite coal, coke from coal, petroleum coke, coal liquefaction solid residue, oil shale, tar sands, asphaltic bitumen, and mixtures thereof. Wherein the aqueous suspension comprises water, about 1.0-50.0 weight percent of the particulate matter consisting of a mixture of slag and char, and about 0.1-10.0 weight percent of a polyethoxylated quaternary ammonium salt surfactant of the formula: where R is an alkyl radical selected from the group consisting of coco, tallow, lauryl, oleyl, and octadecyl, and x+y has a value in the range of 2-15.
Assignee:
Texaco Inc., White Plains, NY
Patent Number(s):
US 4861346
Application Number:
PPN: US 7141445A
OSTI ID:
5395035
Country of Publication:
United States
Language:
English

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Related Subjects

01 COAL, LIGNITE, AND PEAT
010600* -- Coal
Lignite
& Peat-- Properties & Composition
02 PETROLEUM
023000 -- Petroleum-- Properties & Composition
04 OIL SHALES AND TAR SANDS
040500 -- Oil Shales & Tar Sands-- Properties & Composition
AMMONIUM COMPOUNDS
AQUEOUS SOLUTIONS
ASHES
BITUMENS
BITUMINOUS MATERIALS
CARBONACEOUS MATERIALS
CHARS
CHEMICAL REACTIONS
COAL
COAL LIQUIDS
COMBUSTION PRODUCTS
DISPERSIONS
ENERGY SOURCES
FLUIDS
FOSSIL FUELS
FUELS
GASEOUS WASTES
LIQUIDS
MATERIALS
MINERAL OILS
MIXTURES
OIL SANDS
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXIDATION
PETROLEUM PRODUCTS
PURIFICATION
PYROLYSIS PRODUCTS
RESIDUES
SHALE OIL
SLAGS
SOLUTIONS
SURFACTANTS
SUSPENSIONS
TAR
WASTES