Method to improve iron production rate in a blast furnace

Method to improve the iron production rate in a blast furnace being charged by iron containing agglomerates, the method comprising contacting the fired chargeable iron containing material with a slag modifying effective amount of a dispersion of a particulate material and charging the fired chargeable iron containing material to the blast furnace such that the particulate material enters the blast furnace, wherein said contacting comprises a surface coating layer at least on parts of the outer circumference of the iron containing agglomerates, and wherein said contacting occurs prior to charging to the blast furnace process, wherein the slag modifying effective amount of a dispersion comprises any alkali-reactive material includes any aluminium oxide bearing material or any silica or silicon oxide bearing material.

Method to improve the iron production rate in a blast furnace being charged by iron containing agglomerates, the method comprising contacting the fired chargeable iron containing material with a slag modifying effective amount of a dispersion of a particulate material and charging the fired chargeable iron containing material to the blast furnace such that the particulate material enters the blast furnace, wherein said contacting comprises a surface coating layer at least on parts of the outer circumference of the iron containing agglomerates, and wherein said contacting occurs prior to charging to the blast furnace process, wherein the effective amount of a dispersion is comprised of a solid particulate as a mix of any typical slag modifying particulate material and any typical cluster abating effective material, and wherein the solid particulate is a material solid to temperatures greater than 1000° C., or when heated forms phases solid to temperatures greater than 1000° C.

Method to improve the iron production rate in a blast furnace being charged by iron containing agglomerates, the method comprising contacting the fired chargeable iron containing material with a slag modifying effective amount of a dispersion of a particulate material and charging the fired chargeable iron containing material to the blast furnace such that the particulate material enters the blast furnace, wherein said contacting comprises a surface coating layer at least on parts of the outer circumference of the iron containing agglomerates, and wherein said contacting occurs prior to charging to the blast furnace process, wherein the effective amount of a dispersion is comprised of a solid particulate as a mix of any typical slag modifying particulate material and any typical cluster abating effective material, and wherein the cluster abating effective amount of a dispersion comprises a binder.

Method to improve the iron production rate in a blast furnace being charged by iron containing agglomerates, the method comprising contacting the fired chargeable iron containing material with a slag modifying effective amount of a dispersion of a particulate material and charging the fired chargeable iron containing material to the blast furnace such that the particulate material enters the blast furnace, wherein said contacting comprises a surface coating layer at least on parts of the outer circumference of the iron containing agglomerates, and wherein said contacting occurs prior to charging to the blast furnace process, and wherein the particulate material will be in the range of 0.05 μm to about 500 μm.

Method to improve the iron production rate in a blast furnace being charged by iron containing agglomerates, the method comprising contacting the fired chargeable iron containing material with a slag modifying effective amount of a dispersion of a particulate material and charging the fired chargeable iron containing material to the blast furnace such that the particulate material enters the blast furnace, wherein said contacting comprises a surface coating layer at least on parts of the outer circumference of the iron containing agglomerates, and wherein said contacting occurs prior to charging to the blast furnace process, wherein more than 50% of the particulate material has a particle size less than about 45 μm.

Method to improve the iron production rate in a blast furnace being charged by iron containing agglomerates, the method comprising contacting the fired chargeable iron containing material with a slag modifying effective amount of a dispersion of a particulate material and charging the fired chargeable iron containing material to the blast furnace such that the particulate material enters the blast furnace, wherein said contacting comprises a surface coating layer at least on parts of the outer circumference of the iron containing agglomerates, and wherein said contacting occurs prior to charging to the blast furnace process, wherein the dispersion is comprised of a mixture of finely divided material in a liquid medium such as a slurry.