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US 2020/0399723 A1Published application
A process for manufacturing self-reducing pellets/briquettes from bag house dust mixed with carbon to be used in steelmaking furnaces
AssigneeSabic Global Technologies B.V.
InventorsNarottam BEHERA, Mohammed Abdulwahab TAYEB, Mohammed SAMMAN
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Abstract
Bag house dust is combined with a carbon source and shaped into pellets or briquettes and used to recycle valuable metals present in the bag house dust.
Claims20
A solid composition adapted for use as a feed stock in steel making furnaces comprising;
- (i) a baghouse dust comprising iron oxide and at least 1% zinc by weight;
- and
- (ii) a carbon source;
- wherein said solid composition is in the form of a briquette or pellet
1 more element
A briquette or pellet adapted for use as a recycled feed stock in electric arc and/or basic oxygen furnaces, the briquette or pellet comprising;
- (i) 60 to 90% by weight of a bag house dust comprising iron oxide and zinc, wherein the iron oxide comprises 30 to 70% by weight of the bag house dust;
- (ii) 3 to 20% by weight of a carbon source;
- and
- (iii) 0 to 15% by weight additive.
1 more element
Dependencies are inferred from the claim text.