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The present invention relates to a process for producing micro-pellets of anthracite coal comprising the steps of screening coal, mixing and binding coal fines with lime and water, pelletizing said mixture in a disc pelletizer having an inclined disc angle and sun drying the resultant, micro-pellets thereafter. ...

This invention relates to micro pelletization of sludge obtained from effluent treatment plants sludge is mixed with dust of electric furnace and lime fines. This mixture is agglomerated in the presence of moisture and in the absence of additional binders like betonite. Agglomerization is effected in a rotatable inc...

This invention relates to declogging or regeneration of spent ceramic filter plates by treating the same with an aqueous solution containing a reducing agent, a chelating agent and buffer followed by washing with water.

A method for producing hot briquetted iron (HBI) with high carbon content comprising following steps.a feeding a first stream of calcined petroleum coke into a second stream of direct reduced iron fines to obtain a third combined stream of material, which is a mixture of calcined petroleum coke and di...

There is disciosed a method for the melting of direct reduced iron (DRI) in an electric arc furnace (EAF), which comprises the following steps:a. transporting the hot direct reduced iron ( DRI) in a sealed container without access to air ormoisture,b. arranging the discharge opening of the ...