초록

A fuel slurry comprising a mixture of a fuel oil and pulverized coal may be effectively stabilized with a small amount of a condensation product of a sulfonated benzene or naphthalene derivative-formaldehyde, ligninsulfonic acid, carboxymethylcellulose, carboxymethyl-starch or a salt thereof.

대표청구항 ▼

A fuel slurry composition comprising a fuel oil, 20 to 60% of pulverized coal having an average particle size of 10 to 200 microns, an effective amount of a stabilizing agent selected from the group consisting of a condensate of a sulfonated benzene or naphthalene derivative with formaldehyde, a sal

A fuel slurry composition comprising a fuel oil, 20 to 60% of pulverized coal having an average particle size of 10 to 200 microns, an effective amount of a stabilizing agent selected from the group consisting of a condensate of a sulfonated benzene or naphthalene derivative with formaldehyde, a salt thereof, carboxymethylcellulose, a salt thereof, carboxymethylstarch and a salt thereof and 1 to 30% of water present in an amount sufficient to further stabilize the slurry, all % being by weight relative to the entire composition.