| |
 |
|
Class Information
Number: 159/49
Name: Concentrating evaporators > Processes > Film
Description: Processes in which the liquid to be concentrated is spread in the form of a film or thin layer for evaporation.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7611604 |
Method and device for the production of purified steam |
Nov. 3, 2009 |
| 7594980 |
Device and method for distillation |
Sep. 29, 2009 |
| 7540944 |
Saline/sewage water reclamation system |
Jun. 2, 2009 |
| 7410556 |
Purification of aqueous solutions of organic acids |
Aug. 12, 2008 |
| 7332085 |
Method for the purification of an .alpha.-hydroxy acid on an industrial scale |
Feb. 19, 2008 |
| 7316781 |
Pseudo-distillation method for purifying a dry cleaning solvent |
Jan. 8, 2008 |
| 7300538 |
Spinning disk evaporator |
Nov. 27, 2007 |
| 6998026 |
Method for producing tertiary C.sub.4-C.sub.8-alkyl esters of (meth)acrylic acid |
Feb. 14, 2006 |
| 6911121 |
Method and apparatus for simultaneous heat and mass transfer utilizing a carrier-gas |
Jun. 28, 2005 |
| 6887345 |
Process and device for evaporating liquids, for example black liquor from cellulose cooking, which contain solid and dissolved substances |
May. 3, 2005 |
| 6887346 |
Spinning disk evaporator |
May. 3, 2005 |
| 6860966 |
Method for isolating polyphenylene ether polymer resins from solution |
Mar. 1, 2005 |
| 6837969 |
Method for the concentration of liquid mixtures |
Jan. 4, 2005 |
| 6830654 |
Method and device for treating water for evaporation |
Dec. 14, 2004 |
| 6780288 |
Process for the manufacture of concentrated solutions |
Aug. 24, 2004 |
| 6746567 |
Microstructured surface film assembly for liquid acquisition and transport |
Jun. 8, 2004 |
| 6656327 |
Method and device for the production of pure steam |
Dec. 2, 2003 |
| 6638398 |
Methods for the evaporation of an aqueous solution containing ammonia |
Oct. 28, 2003 |
| 6635150 |
Method for distilling a fluid with horizontal vapor transfer into a condensation zone and modular device for implementing said method |
Oct. 21, 2003 |
| 6627047 |
Method for preventing polymerization in thin-film type evaporating device |
Sep. 30, 2003 |
| 6623546 |
Method and installation for chemical purification of vapor in a dehydrator with mechanical vapor compression |
Sep. 23, 2003 |
| 6596244 |
Falling film reactor with corrugated plates |
Jul. 22, 2003 |
| 6506281 |
Method for isolating polymers from solutions |
Jan. 14, 2003 |
| 6340414 |
Process for the recovery of perfluorinated sulphonic acids from spent acid |
Jan. 22, 2002 |
| 6336997 |
Process for refining heat-deteriorative compound, contained in multi-component liquid mixture, by distillation |
Jan. 8, 2002 |
| 6309508 |
Spinning disk evaporator |
Oct. 30, 2001 |
| 6258206 |
Process for purifying condensate while evaporating waste liquors |
Jul. 10, 2001 |
| 6166232 |
Process for producing ester quats |
Dec. 26, 2000 |
| 6156160 |
Alkylene carbonate process |
Dec. 5, 2000 |
| 6150498 |
Polymer recovery |
Nov. 21, 2000 |
| 6146493 |
Method for the concentration of liquid mixtures |
Nov. 14, 2000 |
| 6080273 |
Method and device for treating liquids by partial evaporation |
Jun. 27, 2000 |
| 6066232 |
Method and vaporizer for vaporizing oxidation-sensitive compounds |
May. 23, 2000 |
| 5944950 |
Process for the final evaporation of black liquor |
Aug. 31, 1999 |
| 5873981 |
Recovery of anhydrous acids |
Feb. 23, 1999 |
| 5868908 |
Separation of inorganic salts from dimethyl sulfoxide |
Feb. 9, 1999 |
| 5853549 |
Desalination of seawater by evaporation in a multi-stack array of vertical tube bundles, with waste heat. |
Dec. 29, 1998 |
| 5849148 |
Distributor plate and evaporator |
Dec. 15, 1998 |
| 5795446 |
Method and equipment for heat-of-vaporization transfer |
Aug. 18, 1998 |
| 5792663 |
High efficiency continuous flow through fractional-volatilization separator system, and method of use |
Aug. 11, 1998 |
| 5728273 |
Method and installation for bringing a gas and a liquid into contact with one another |
Mar. 17, 1998 |
| 5716496 |
Method and apparatus for treatment of black liquor |
Feb. 10, 1998 |
| 5710261 |
Process for the separation of alcohols by distillation |
Jan. 20, 1998 |
| 5683555 |
Working up reaction mixtures obtained in addition reactions with acetylene or propyne |
Nov. 4, 1997 |
| 5630914 |
Method and apparatus for decontaminating a liquid |
May. 20, 1997 |
| 5624531 |
Evaporator operating on falling film principle |
Apr. 29, 1997 |
| 5589525 |
Process for preparing novel high solids non-aqueous polymer compositions |
Dec. 31, 1996 |
| 5582692 |
Method for the purification of vitamin E |
Dec. 10, 1996 |
| 5575889 |
Rotating falling film evaporator |
Nov. 19, 1996 |
| 5573635 |
Thin film evaporating device |
Nov. 12, 1996 |
|
|
|
