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Class Information
Number: 159/17.1
Name: Concentrating evaporators > Multiple effects
Description: Apparatus relating to a series of two or more vessels in communication, adapted to cause evaporation of their liquid content at unequal pressures. The communication may be either for the purpose of transmitting the vapors evolved in one vessel to the heating element of another operating at a different pressure, or for transmitting liquid material from one vessel to another operating at a different pressure for evaporation.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7476298 |
Structure for multiple-effect distillation using tubes or plates |
Jan. 13, 2009 |
| 7413634 |
Distillation system |
Aug. 19, 2008 |
| 7153929 |
Copolymers, devoid of rubber, with low residual monomer content and a method and device for producing the same |
Dec. 26, 2006 |
| 6958107 |
Cyclonic evaporator |
Oct. 25, 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 |
| 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 |
| 6258206 |
Process for purifying condensate while evaporating waste liquors |
Jul. 10, 2001 |
| 6106673 |
Method for separating components of a fermentation process byproduct containing oil bound with fibers |
Aug. 22, 2000 |
| 5925223 |
Process for improving thermal efficiency while producing power and desalinating water |
Jul. 20, 1999 |
| 5830314 |
Cleaning condensates from multi-effect evaporator of cellulose pulp waste liquors |
Nov. 3, 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 |
| 5413674 |
Evaporation for solids concentration |
May. 9, 1995 |
| 5409576 |
Rotating evaporator device for the distillation or concentration of liquids |
Apr. 25, 1995 |
| 5382321 |
Process for the concentration of spent liquors |
Jan. 17, 1995 |
| 5330618 |
Process for separating dissolved solids from a liquid using an anti-solvent and multiple effect evaporators |
Jul. 19, 1994 |
| 5275701 |
Process for purification and concentration of sulfuric acid |
Jan. 4, 1994 |
| 5188857 |
Citrus juice concentrate method |
Feb. 23, 1993 |
| 5139620 |
Dimple plate horizontal evaporator effects and method of use |
Aug. 18, 1992 |
| 5133831 |
Method of concentrating black liquor by evaporation |
Jul. 28, 1992 |
| 5098518 |
Thin film down flow type concentrator |
Mar. 24, 1992 |
| 4978429 |
Apparatus including its own combination manifold/support assembly for producing a concentrate and a distillate |
Dec. 18, 1990 |
| 4886574 |
Citrus juice concentrate processor |
Dec. 12, 1989 |
| 4767502 |
Steam generator in a multi-stage distilling apparatus |
Aug. 30, 1988 |
| 4756797 |
Multiple effect evaporator with an evaporative condenser as a liquid evaporation effect |
Jul. 12, 1988 |
| 4702798 |
Process for recovering dry solids from aqueous solids mixtures |
Oct. 27, 1987 |
| 4687546 |
Method of concentrating slurried kaolin |
Aug. 18, 1987 |
| 4676870 |
Automatic control of a multiple-effect evaporator |
Jun. 30, 1987 |
| 4608120 |
Apparatus for removing light oil from solids |
Aug. 26, 1986 |
| 4574036 |
Method and an installation for purifying industrial waste water, particularly process water from dyeing works |
Mar. 4, 1986 |
| 4514260 |
Apparatus for the desalination of sea water |
Apr. 30, 1985 |
| 4511436 |
Apparatus for the desalination of sea water |
Apr. 16, 1985 |
| 4497689 |
Heat engineering apparatus for carrying out thermodynamical processes comprising a pair of mutually opposite phase transitions of a work medium |
Feb. 5, 1985 |
| 4441963 |
Distillation apparatus |
Apr. 10, 1984 |
| 4437933 |
Apparatus for treating radioactive liquid wastes |
Mar. 20, 1984 |
| 4391676 |
Arrangement for passing a first liquid close to, but without mixing it with a second liquid, for example an arrangement for sea water desalination |
Jul. 5, 1983 |
| 4379734 |
Multistage evaporator |
Apr. 12, 1983 |
| RE31185 |
Process and apparatus for dehydrating waste solids concentrates |
Mar. 22, 1983 |
| 4366027 |
Device for distillation or concentration of a solution and more particularly for desalination of a saline solution such as sea water |
Dec. 28, 1982 |
| 4343678 |
Multi-stage evaporating apparatus with integrated heat regenerating system |
Aug. 10, 1982 |
| 4336101 |
Process and apparatus for recovering clean water and solids from aqueous solids |
Jun. 22, 1982 |
| 4330373 |
Solar desalting plant |
May. 18, 1982 |
| 4329204 |
Multiple effect thin film distillation system |
May. 11, 1982 |
| 4303468 |
Mechanical vapor recompression evaporators |
Dec. 1, 1981 |
| 4296082 |
Purification of wet process phosphoric acid |
Oct. 20, 1981 |
| 4289578 |
Process and apparatus for recovering clean water and solids from aqueous solids |
Sep. 15, 1981 |
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