ABHITECH has developed an Organic Binder, OB-1205 to replace Bentonite in Iron Ore Pelletization process. OB-1205 reduces bentonite (reducing SiO2 & Al2O3 impurities) in iron ore pelletization and enhances fired pellet characteristics. Even at lowest treatment rates, it reduces contaminants and boosts efficiency.
Organic binder ABHITECH OB-1205 absorbs iron ore moisture and strengthens pellets.
Cross-linked polymer OB-1205 binds minerals. It absorbs surface water and generate a high-viscosity solution, which increases adhesion and promotes polymeric compound-iron ore mineral interaction by generating hydrogen bond, ionic exchange, and electrostatic attraction with mineral surface.
OB-1205 reduces bentonite (reducing SiO2 & Al2O3 impurities) in iron ore pelletization and enhances burnt pellet characteristics. Even at lowest treatment rates, it reduces contaminants and boosts efficiency.
OB-1205 is dosed in the ratio of 50 to 100 gm/ton of Iron ore based on its morphology & moisture content.
Organic Binder functions by generating adhesive and cohesive forces for the agglomeration of iron ore minerals, as depicted in the following figure.
Increased interaction with Fe3+ ions is provided by the high molecular weight and extended cross-linking branching chain. These forces are far greater than those generated by the capillary action principle of bentonite, allowing for more than 30% reduction in bentonite usage.
Its high Molecular weight and high solution viscosity make it simple to establish strong cohesion inside the pellet, and its molecular structure has a significant number of active functional groups that generate strong adhesion with minerals
OB-1205 is added on iron ore conveyor belt through a hopper feeder mechanism. The feed rate of Organic Binder is controlled by varying the rpm of screw feeder
Dosage OB-1205 is dosed in the ratio of 50 to 100 gm/ton of Iron ore based on its Morphology & Moisture content.
Comparison study under scanning electron microscope of Iron Ore Green Pellet with Bentonite + OB-1205
Maximum Internal Pores has been detected with OB-1205 compared to only with Bentonite.
Bentonite structure & Bentonite + OB-1205
The gaps are filled by OB-1205 & which are very helpful for iron ore agglomeration. The bentonite and OB-1205 shows effective binding together.
Due to the strong cohesive and adhesive forces of OB-1205 creates maximum adhesive Bridges