Nova Patents
NO883283L

Preparation of fuel oil emulsions.

Abstract

Apparatus for the preparation of emulsions of oil in water comprises: (a) an oil feed line, (b) a source of concentrated surfactant solution, (c) a source of water, (d) a first low shear mixer for mixing concentrated surfactant and water to form a dilute surfactant solution, (e) means for uniting the flows of dilute surfactant solution and oil in a controlled manner, (f) a second low shear mixer for mixing the united flow streams of oil and dilute surfactant solution to form an emulsion of oil in water, (g) a third low shear mixer for mixing the emulsion of oil in water to form a dilute emulsion, and, (h) an arrangement of water feed lines and control valves such that, firstly, water can be supplied either to the first low shear mixer only or, secondly, to both first and third low shear mixers. The apparatus is particularly suitable for the preparation of emulsions of fuel oil in water from oils within a wide range of viscosities which burn with low emissions of NOx and particulates.

Term

No projected expiry on record.

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1 claim: 1 independent, 0 dependent

  1. 1
    b) an arrangement of water supply conduits and control valves such that, firstly, water can be supplied either to only the first low shear blender or, secondly, to both the first and third low shear blenders. b) et arrangement av vanntllforselslednlnger og kontrollventller, slik at, for det første, vann kan tilføres enten til bare den første blenderen med lav skjzrpåvlrknlng eller, for det annet, til både første og tredje blåndere med lav skjzrpåvlrknlng. Apparatet er szrllg egnet for fremstilling av emulsjoner av brennolje i vann fra oljer med et bredt område av vlskoslteter som brenner med lave avglvelser av NOX og partlkkeformlge materialer. The apparatus is suitable for the preparation of emulsions of fuel oil in water from oils having a wide range of liquids which burn with low deviations of NOX and particulate materials.