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document
Marijnissen, J.C.M. (author), Willemse, A.W. (author), Roos, R.A. (author)
Described is an improved method for measuring the particle size of ultrasmall particles (111) which are suspended in a fluid. Laser light (121) is scattered by the particles, and the scattered light (122) is received by a light detector (131) which provides an electrical measuring signal (Sm) which is representative of the intensity of the...
patent 1997
document
Ursem, W.N.J. (author), Marijnissen, J.C. (author), Roos, R.A. (author)
This inventions provides a method for the removal of smut, fine dust and exhaust gas particles from polluted air comprising providing a particle catch arrangement with a charged surface, the particle catch arrangement being arranged to generate a static electric field, wherein the electric field is at least 0.2 kV/m. The invention further...
patent 2007
document
Ursem, W.N. (author), Marijnissen, J.C.M. (author), Roos, R.A. (author)
The invention provides the use, a method, and an apparatus to reduce and remove liquid droplets in air, such as fog, mist, or haze, although the invention in specific embodiments might also be used to reduce and remove liquid droplets from a spray or steam.The invention of the mist and/or air borne water or other liquid droplets catching and...
patent 2009
document
Marijnissen, J.C.M. (author), Yurteri, C.U. (author), Roos, R.A. (author)
A particle delivery device for producing a spray of particles in an ambient gas at an ambient pressure includes a storage volume for a liquid substance; a nozzle having an inlet and an outlet, the nozzle inlet being coupled to the storage volume in fluid communication, and an electric supply for providing an electric field between the nozzle...
patent 2012
document
Kelder, E.M. (author), Ursem, W.N.J. (author), Roos, R.A. (author), Marijnissen, J.C.M. (author)
The invention provides method for the removal of ammonia from air and converting the ammonia in a fertilizer material, comprising (a) contacting at least part of the air with an aqueous liquid, wherein the aqueous liquid is a solvent for ammonia, to provide an ammonia containing aqueous liquid,and(b) contacting the ammonia containing aqueous...
patent 2011
document
Ursem, W.N.J. (author), Marijnissen, J.C. (author), Roos, R.A. (author), Kelder, E.M. (author)
The invention provides a method for the production of a titania coating (80) on a surface (101) of an object (100) comprising electro spraying a titanium comprising liquid (15) to the surface (101) of the object (100) to provide a titanium comprising layer (85); and heating thetitanium comprising layer (85) thus obtained to provide the titania...
patent 2010
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