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US 11,969,786 B1Granted
Chemical looping carrier compositions, binders, and related methods
OwnerSrivats Srinivasachar, Aaron Koeniginventors
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Abstract
A composition for binding metal oxides, a metal oxide pellet produced with the binder and metal oxide, and methods for producing the metal oxide pellets. The binder composition includes a pelletizing agent comprising at least one of a cement, a bitumen, and a polymer and a sinter enhancer comprising at least one of a metal sulfide, a metal chloride, and a metal nitrate.
Claims7
A thermosetting binder composition with a cure temperature of at least 700° C. for binding metal oxides comprising:
- about 5-30% by weight sinter enhancer comprising at least one of:
- sulfides of one of the metals:
- Fe, Mn, Cu, Co, Mg, Ca, Sr, Ba, chlorides of one of the metals:
- Mn, Cu, Co, or nitrates of one of the metals:
- Fe, Mn, Cu, Co, Mg, Ca, Sr, Ba, and combinations of these;
- and
- about 40% to 95% by weight of a pelletizing agent that comprises at least one of a cement, calcium aluminate cement, Portland cement, lime, hydrated lime, dolomitic lime, calcium oxide, magnesium oxide, a bitumen, a polysaccharide, polyvinylpyrrolidone, polyvinyl alcohol, polyurethane, bentonite, and a clay.
4 more elements
Dependencies are inferred from the claim text.