Coal Industry (patents) Limited

Anthony W Jury

Nicholas Syred

Ieuan Owen

Geoffrey J Pitt

Michael J Parkinson

The present invention provides a fluid cleaning system, especially designed for removing particulate contaminants from a hot gas, comprising at least two parallel lines for receiving contaminated fluid. Each line includes a collector (5), a collector cleaning means (8), and a vortex amplifier (6). The vortex amplifiers are used in place of mechanical valves to control the system by opening and closing their respective lines. Each cleaning means (8) can only operate when its line is closed.

Fluidic switched fluid cleaning

Mineral matter is coal-derived liquids such as coal extracts can be assessed on-line by passing an X-ray beam having as a predominant component wavelengths in the range 0.6 to 0.8 Angstrom units through the liquid and detecting the intensity of the transmitted radiation. X-ray wavelengths in this range permit adequate discrimination between attenuation caused by mineral matter and that caused by the liquid, without having very poor transmission. X-ray tubes or radioisotopes can be used as a source.

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Tewkesbury, United Kingdom

Anthony W Jury