Abstract: The invention relates to a metal hydride hydrogen storage and supply arrangement integrated for use in a fuel cell utility vehicle. The storage arrangement includes a plurality of metal hydride containers suitable to be filled with a metal hydride material, the containers being connectable in parallel to a gas manifold; heat transfer means located between the metal hydride containers; and a filler body located in a space between the metal hydride containers and the heat transfer means.

Abstract: The present invention provides for a process for the production of an aluminosilicate zeolite from fly ash, and in particular but not exclusively, to a process for producing a high silica content zeolite from fly ash without the addition of an external silica source, such as sodium silicate.

Abstract: A method for the preparation of zeolites from non-fused fly ash includes the steps of preparing an aqueous alkali hydroxyl solution and mixing the solution with the non-fused fly ash to create an aqueous alkali hydroxyl fly ash mixture, subjecting the mixture to ultrasonication and recovering the zeolites. The method may include the step of centrifuging the aqueous alkali hydroxyl fly ash mixture and washing the solid synthetic products (zeolites).

Abstract: A method for the preparation of zeolites from non-fused fly ash includes the steps of preparing an aqueous alkali hydroxyl solution and mixing the solution with the non-fused fly ash to create an aqueous alkali hydroxyl fly ash mixture, subjecting the mixture to ultrasonication and recovering the zeolites. The method may include the step of centrifuging the aqueous alkali hydroxyl fly ash mixture and washing the solid synthetic products (zeolites).

Abstract: The invention discloses a spray coating device for coating substrates, which includes a nozzle arrangement with at least two nozzles. The nozzle arrangement includes at least one primary nozzle adapted to spray a suspension onto at least one substrate; and at least one secondary nozzle adapted to blow a gas onto the substrate. The secondary nozzle is equipped with a heating device adapted to heat the gas to a desired temperature. The invention also extends to a method of coating a suspension onto a substrate, which includes the steps of spraying a suspension onto at least one substrate by means of at least one primary nozzle; and of blowing a gas onto the substrate(s) with at least one secondary nozzle.