Method for the combustion of spent potlinings from the manufactu

Details Method for the combustion of spent potlinings from the manufactu Method for the combustion of spent potlinings from the manufactu

1987-09-08

1988-08-16

Favors, Edward G.

Furnaces

Process

Incinerating refuse

110232, 110245, 110345, 110347, F23G 500

Patent

active

047635851

ABSTRACT:
A process for the combustion of ground, spent potlinings generated during the production of metallic aluminum is disclosed. The process includes: grinding the potlinings to a particle size of not greater than about 2 inches in any dimension; mixing with the ground potlinings from about 1 to about 20 weight percent, based upon the weight of the potlinings, of a powdered inert additive having a median particle size of not greater than 10 micrometers, and burning the ground potlinings in a combustor at a temperature in the range of from 1400.degree. F. to about 2200.degree. F., the additive coating the ground potlinings and preventing their agglomeration in the combustion zone therein.

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Report No. EPA-600/2-84-64 "Laboratory Feasibility Studies for the Fluidized-Bed Combustion of Spent Potlinings from Aluminum Reduction" by Kim et al. 3/84.

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