Gasifier reactor internal coating

Details Gasifier reactor internal coating Gasifier reactor internal coating

2008-07-08

2008-07-08

Group, Karl E (Department: 1793)

Compositions: ceramic

Ceramic compositions

Refractory

C501S104000, C501S105000, C501S126000

Reexamination Certificate

active

07396789

ABSTRACT:
A gasifier internal refractory coating has at least one region of a sintered material containing at least45% by weight of chromium oxide (Cr2O3) and at least1% by weight of zirconium oxide, at least20% by weight of the zirconium oxide (ZrO2) being stabilized in the cubic and/or quadratic form.

REFERENCES:
patent: 5053366 (1991-10-01), Schoennahl
patent: 5106795 (1992-04-01), Drake et al.
patent: 8-91915 (1996-04-01), None
Taber, W., “Refractories for Gasification”,Refractories Applications and News, vol. 8, No. 4, Jul.-Aug. 2003, pp. 1822.
Bennett, J., “Refractory liner materials used in slagging gasifiers”,Refractories Applications and News, vol. 9, No. 5, Sep./Oct. 2004, pp. 20-25.
Clayton, S. et al., “Gasification Technologies, Gasification Markets and Technologies-Present and Future, an Industry Perspective”, US DOE report DOE/FE 0447, Jul. 2002.
Zhe, W. et al., “Application of ZrO2in high Cr203low cement castable refractories for refuse melter”, Proceedings of the 8thBiennial UNITEC Congress. “Worldwide Conference Refractories ECO Refractory For The Earth”, held from Oct. 19-22, 2003 in Osaka, Japan.

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