Abstract: Ho Honeycomb monolith structure, especially for use in mass transfer-limited processes or processes for the selective catalytic reduction (SCR) of nitrogen oxides, comprising: a plurality of cell walls defining a plurality of polygonal channels, the plurality of cell walls and channels extending in parallel along a common direction from an entrance end to an outlet end of the structure in the fluid flow direction. The transversal cross section of a polygonal channel has the shape of a convex elongated polygon, wherein at least 50% of the internal angles between two adjacent walls of the convex polygon are above 90 degrees and wherein the cell diameter ratio LL/LS is greater than 1.5.

Abstract: Ho Honeycomb monolith structure, especially for use in mass transfer-limited processes or processes for the selective catalytic reduction (SCR) of nitrogen oxides, comprising: a plurality of cell walls defining a plurality of polygonal channels, the plurality of cell walls and channels extending in parallel along a common direction from an entrance end to an outlet end of the structure in the fluid flow direction. The transversal cross section of a polygonal channel has the shape of a convex elongated polygon, wherein at least 50% of the internal angles between two adjacent walls of the convex polygon are above 90 degrees and wherein the cell diameter ratio LL/LS is greater than 1.5.

Abstract: The present invention relates to a solid multicomponent mixed proton and electron conducting membrane for use in a reactor, where the membrane comprises a mixed metal oxide having a structure represented by the formula: A1?xA?x(B1?yB?y)wO3?d, wherein A is a lanthanide element or mixtures thereof, A? is an alkaline earth element or mixtures thereof, B is chromium, manganese, or iron, B? is titanium, aluminum, zirconium, or hafnium, and x, y, w, and d each represent a number such that 0?x?1, 0?y?1, 0.9<w<1.1, and d equals a number that renders the compound charge neutral and is not less than zero and not greater than about 0.6.

Abstract: The present invention relates to a solid multicomponent mixed proton and electron conducting membrane for use in a reactor, where the membrane comprises a mixed metal oxide having a structure represented by the formula: A1-xA′x(B1-yB′y)wO3-d, wherein A is a lanthanide element or mixtures thereof, A′ is an alkaline earth element or mixtures thereof, B is chromium, manganese, or iron, B′ is titanium, aluminum, zirconium, or hafnium, and x, y, w, and d each represent a number such that 0≦x≦1, 0≦y≦1, 0.9<w<1.1, and d equals a number that renders the compound charge neutral and is not less than zero and not greater than about 0.6.

Abstract: The present invention relates to a solid multicomponent membrane for use in a reactor where the membrane comprises a mixed metal oxide having a structure represented by the formula: La1−xCax(Fe1−y−y′TiyAly′)wO3−4 wherein x, y, y′, w, and d each represent a number such that 0.1≦(y+y′)≦0.8, 0.15≦(x+y′) ≦0.95, 0.05≦(x−y)≦0.3, 0.95<w<1, and d equals a number that renders the compound charge neutral and is not less than zero and not greater than about 0.8. Furthermore, the present invention relates to a use of the membrane in a reactor for generating heat or for generating synthesis gas.