Jan 15, 2020 · further, the performance of this catalyst is over three times higher when compared to iron catalysts being used industrially. a thin barium layer is formed on ruthenium nanoparticles about 3 nm in size during the reaction of this catalyst, as electrons with low work function and porous calcium amide form concurrently due to amide deficiency. Barium carbonate is used in photographic paper manufacturing. the chemical is used to produce the barium sulphate which gives the photographic paper its flat white appearance. practiced in the manufacture of barium ferrites and also in the manufacture of television picture tubes. barium carbonate is an additive in oil-well drilling muds. This no 2 is subsequently stored on the corresponding storage materials (e.g. barium carbonate baco 3) incorporated in the catalyst formulation until the desired storage capacity is reached. the nsc is operated non-continuously, i.e. it needs to be regenerated periodically by means of rich exhaust gas (λ<1) in order to decompose the nitrates and reduce them. Baco 3 is primarily demonstrated as an excellent synergistic catalyst for efficient electro-reduction of h 2o/co 2 to h 2 /co at the state-of-the-art ni–ysz (yttria-stabilized zirconia) cathodes for solid oxide electrolysis cells (soecs) with ysz electrolytes and strontium doped lanthanum manganite oxygen electrodes.