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| Number | Title | Issue Date |
| 6058624 | Spray drying method and apparatus and cleaning method for such an apparatus In fluidized spray drying of a feedstock to produce an agglomerate product by means of at least one spraying device (7) arranged in the upper part (2) of a vertically disposed drying chamber (1), in a lower part of which a fluid-bed is accommodated, a dry... | 05/09/2000 |
| 5907910 | Method for cyclone conversion for a fluidized bed A method has been found to improve the efficiency of a cyclone system for a fluidized bed. The typical plurality of cyclones arranged in series in communication with the fluidized bed is replaced by a plurality of similarly-sized cyclones arranged in para... | 06/01/1999 |
| 5862610 | Method for coating dry pellets made of waste bio-solids with waste bio-solids Method and apparatus are provided for reprocessing dry pellets made of waste bio-solids in which the pellets and wet sludge waste bio-solids are supplied to the inlet of a material combining conveyor whose angular position can be adjusted. The pellets are... | 01/26/1999 |
| 5814234 | Integrated soil and fluid decontamination system A method for decontaminating both soil and mixed waste water polluted by hydrocarbons in a single integrated process is disclosed. Contaminated mixed waste fluid is separated into water and hydrocarbons which are then used in the thermal decontamination o... | 09/29/1998 |
| 5789535 | Method of preparing polymer granules Methods of preparing granules which contain a water soluble or water dispersable polymer suitable for use in detergents are disclosed, in which a solution of the polymer in a liquid or a dispersion of the polymer in a liquid is formed into granules, in a ... | 08/04/1998 |
| 5773061 | Method and apparatus for making agglomerated product An agglomerated powder is produced in an apparatus where the product is agglomerated in two stages. First, a liquid concentrated feed of the product is atomized by an atomizer in a drying chamber. The fine particles are transferred to a separating device ... | 06/30/1998 |
| 5632100 | Process and a spray drying apparatus for producing an agglomerated powder In a spray drying and agglomerating process carried out in a spray drying chamber (1) having a conical lower section (3), in which chamber the liquid to be spray dried is atomized into a downward central stream of drying gas and the spent drying gas is wi... | 05/27/1997 |
| 5596816 | Method for drying particulate material A method is disclosed for drying particulate material, particularly alumina, which comprises the steps of subjecting a first portion of a wet particulate material feed to pre-drying to produce at least partially dried particular material and moisture, hea... | 01/28/1997 |
| 4745691 | Means and methods for drying sludge A sludge drier for removing water from sludge has a plurality of augers functionally interconnected to provide a continuous closed loop path of movement to the sludge through an area for drying. The drying area comprises a heated surface with a means for ... | 05/24/1988 |
