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Class Information
Number: 159/DIG.8
Name: Concentrating evaporators > Multieffect or multistage
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7566383 |
Heat recovery from a biomass heat source |
Jul. 28, 2009 |
| 7476298 |
Structure for multiple-effect distillation using tubes or plates |
Jan. 13, 2009 |
| 7422663 |
Desalination machine |
Sep. 9, 2008 |
| 7413634 |
Distillation system |
Aug. 19, 2008 |
| 7097736 |
Dairy wastewater treatment |
Aug. 29, 2006 |
| 6887345 |
Process and device for evaporating liquids, for example black liquor from cellulose cooking, which contain solid and dissolved substances |
May. 3, 2005 |
| 6869501 |
Continuous process for controlled concentration of colloidal solutions |
Mar. 22, 2005 |
| 6821382 |
Method and arrangement for cleaning contaminated condensate including a combined stripper/condenser |
Nov. 23, 2004 |
| 6797125 |
Method of treating condensates |
Sep. 28, 2004 |
| 6761799 |
Method and arrangement for combusting black liquor |
Jul. 13, 2004 |
| 6689251 |
Cycled-concentration distiller |
Feb. 10, 2004 |
| 6635150 |
Method for distilling a fluid with horizontal vapor transfer into a condensation zone and modular device for implementing said method |
Oct. 21, 2003 |
| 6506281 |
Method for isolating polymers from solutions |
Jan. 14, 2003 |
| 6485607 |
Methods for removing volatile components from polymer solutions |
Nov. 26, 2002 |
| 6471823 |
Use of pressure and temperature measurements to infer process variables and to monitor equipment conditions and infer process efficiency in a multi-effect evaporator system |
Oct. 29, 2002 |
| 6444095 |
System for recovering glycol from glycol/brine streams |
Sep. 3, 2002 |
| 6364996 |
Device for treatment and removal of aqueous liquids by controlled atmospheric action |
Apr. 2, 2002 |
| 6355144 |
High output solar water distillation system |
Mar. 12, 2002 |
| 6258206 |
Process for purifying condensate while evaporating waste liquors |
Jul. 10, 2001 |
| 6258215 |
System and a rotary vacuum distiller for water recovery from aqueous solutions, preferably from urine aboard spacecraft |
Jul. 10, 2001 |
| 6132555 |
Method and arrangement for increasing evaporation capacity of a multi-stage evaporator of spent liquor in a pulp mill |
Oct. 17, 2000 |
| 6106673 |
Method for separating components of a fermentation process byproduct containing oil bound with fibers |
Aug. 22, 2000 |
| 6090240 |
Method of inhibiting scaling in black liquor evaporators |
Jul. 18, 2000 |
| 6022453 |
Apparatus for the distillation of oil-seed extracts |
Feb. 8, 2000 |
| 5968312 |
Liquid flow distribution and flow control with dual adjustable orifice plates or overlapping orifices |
Oct. 19, 1999 |
| 5944950 |
Process for the final evaporation of black liquor |
Aug. 31, 1999 |
| 5925223 |
Process for improving thermal efficiency while producing power and desalinating water |
Jul. 20, 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 |
| 5755924 |
Apparatus for treating liquid products |
May. 26, 1998 |
| 5730836 |
Evaporative concentration of clay slurries |
Mar. 24, 1998 |
| 5582690 |
Method of and means for water desalinization |
Dec. 10, 1996 |
| 5538593 |
Thin film flow-down type concentrating apparatus |
Jul. 23, 1996 |
| 5538593 |
Thin film flow-down type concentrating apparatus |
Jul. 23, 1996 |
| 5480512 |
Method of controlling sulfidity of a sulfate pulp mill |
Jan. 2, 1996 |
| 5423952 |
Structure for multiple-effect distillation |
Jun. 13, 1995 |
| 5413674 |
Evaporation for solids concentration |
May. 9, 1995 |
| 5395483 |
Rotary apparatus for combined multi flashing and boiling liquids |
Mar. 7, 1995 |
| 5382321 |
Process for the concentration of spent liquors |
Jan. 17, 1995 |
| 5380402 |
Reducing pulp mill liquid discharge |
Jan. 10, 1995 |
| 5366716 |
Method for recovering sulphur dioxide from the chemical circulation of a sulphate pulp mill |
Nov. 22, 1994 |
| 5360513 |
Sulphur removal from gases associated with boilers having cascade evaporators |
Nov. 1, 1994 |
| 5330618 |
Process for separating dissolved solids from a liquid using an anti-solvent and multiple effect evaporators |
Jul. 19, 1994 |
| 5277759 |
Method of controlling sulfidity of a sulfate cellulose mill |
Jan. 11, 1994 |
| 5275701 |
Process for purification and concentration of sulfuric acid |
Jan. 4, 1994 |
| 5256251 |
Process for drying and solvent-extraction of solids and sludges |
Oct. 26, 1993 |
| 5209828 |
System for concentrating a spent caustic stream |
May. 11, 1993 |
| 5188857 |
Citrus juice concentrate method |
Feb. 23, 1993 |
| 5156706 |
Evaporation of liquids with dispersant added |
Oct. 20, 1992 |
| 4986884 |
Process for the production of monomeric .alpha.-cyanoacrylates |
Jan. 22, 1991 |
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