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Class Information
Number: 159/DIG.20
Name: Concentrating evaporators > Additive
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7591930 |
Thin-film evaporator |
Sep. 22, 2009 |
| 7527711 |
Process and structure for superaccelerating nature, producing a continuous supply of fresh water from salt water by using solar, wind, and wave energy |
May. 5, 2009 |
| 7435317 |
Desalination of ocean water |
Oct. 14, 2008 |
| 7396433 |
Process and arrangement for separating oil from oil containing materials |
Jul. 8, 2008 |
| 6969446 |
Method for producing concentrated nitric acid and installation for carrying out a method of this type |
Nov. 29, 2005 |
| 6955743 |
Method for producing furfural, acetic acid and formic acid from spent pulp-cooking liquor |
Oct. 18, 2005 |
| 6685802 |
Process and apparatus for removing dissolved and undissolved solids from liquids |
Feb. 3, 2004 |
| 6660130 |
Apparatus for vaporization of liquids |
Dec. 9, 2003 |
| 6638398 |
Methods for the evaporation of an aqueous solution containing ammonia |
Oct. 28, 2003 |
| 6391149 |
Method and apparatus for concentrating a solute in solution with a solvent |
May. 21, 2002 |
| 6375803 |
Mechanical vapor recompression separation process |
Apr. 23, 2002 |
| 6355144 |
High output solar water distillation system |
Mar. 12, 2002 |
| 6352618 |
Modular solvent recovery device |
Mar. 5, 2002 |
| 6251228 |
Photopolymer washout fluid solvent distillation apparatus and method |
Jun. 26, 2001 |
| 6235161 |
Inhibition of 141b decomposition |
May. 22, 2001 |
| 6090240 |
Method of inhibiting scaling in black liquor evaporators |
Jul. 18, 2000 |
| 5968312 |
Liquid flow distribution and flow control with dual adjustable orifice plates or overlapping orifices |
Oct. 19, 1999 |
| 5824132 |
Method of phosphoric acid concentration |
Oct. 20, 1998 |
| 5772851 |
Elimination of volatile residues from polyacrylate melts |
Jun. 30, 1998 |
| 5230773 |
Process for the recovery of heat and chemicals from spent liquor |
Jul. 27, 1993 |
| 5200033 |
Method for removing organic contaminants from soils |
Apr. 6, 1993 |
| 4548614 |
Solvent precipitation of salt |
Oct. 22, 1985 |
| 4349412 |
Method of concentrating and drying water-containing fluent media |
Sep. 14, 1982 |
| 4297163 |
Drying of potassium silicate |
Oct. 27, 1981 |
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