Maurice D. Henery - Evanston IL Ernest B. Snyder - South Holland IL Walter W. Walker - Matteson IL
Assignee:
Marblehead Lime Company - Chicago IL
International Classification:
C21C 700 C21C 536
US Classification:
75 52
Abstract:
A method for recycling iron values such as the iron which is present in the iron oxide, primarily Fe. sub. 3 O. sub. 4 found in millscale and other fine or waste materials containing oxides of iron. The method is applicable to basic oxygen refining operations wherein iron is charged to the basic oxygen furnace along with a flux. The method can also be applied to other iron or steel-making furnaces. In accordance with the invention, a portion of the flux charged to the furnace is prepared by forming a mixture of iron or iron containing particles with the balance comprising dolomite, the mixture including sufficient iron values such that the product after calcination will contain in excess of 20 percent and up to 50 percent by weight iron values, calculated as Fe. sub. 2 O. sub. 3. The mixture is heated in a kiln to a temperature in excess of 2000. degree. F. whereby reaction products such as calcium and magnesium ferrites are formed and make up a substantial portion of the mixture.
Maurice D. Henery - Evanston IL John M. Kerwin - Flossmoor IL Walter W. Walker - Matteson IL
Assignee:
Marblehead Lime Company - Chicago IL
International Classification:
F23G 506
US Classification:
110346
Abstract:
A system including a method and apparatus for incinerating toxic and non-toxic waste materials. The system involves the use of a pre-treatment agent which is capable of insuring flowability in the waste materials to be incinerated. The agent is mixed with the material and then introduced to a rotary kiln which is fired to a temperature such that incineration of the material will occur by providing a satisfactory rate of material flow through the kiln. The kiln includes a rotary scoop feeder which is utilized for introducing the mixture of material and agent into a hot zone of the kiln. An afterburner may be utilized for decomposing materials such as hazardous organic wastes, and the output of the apparatus may be associated with a baghouse.
Defective and Dangerous Products Aviation Personal Injury Wrongful Death Mass Transit Accidents Governmental Tort Liability Dangerous Condition of Property Insurance Bad Faith
ISLN:
902995312
Admitted:
1974
University:
University of Pennsylvania, B.A., 1971
Law School:
Hastings College of the Law, University of California, J.D., 1974
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