Patents for B01D 9 - Crystallisation (5,388)
04/1984
04/26/1984WO1984001568A1 Method for obtaining aluminium trihydroxide of mean diameter adjusted on demand in the interval from 2 to 100 microns
04/24/1984US4444680 Process and apparatus for the volume reduction of PWR liquid wastes
04/18/1984EP0105524A2 Countercurrent, cooling crystallization and purification method for multi-component molten mixture
04/17/1984US4443412 Conveyor belts, rolls, multilayer films
04/17/1984US4442679 Vertical shell and tube heat exchanger with sleeves around upper part of tubes
03/1984
03/27/1984US4438634 Freeze concentration apparatus
03/06/1984US4435182 Cooling; continuous filtration of slurry
02/1984
02/28/1984US4433558 Parallel contact distillative freezing process for separating volatile mixtures and apparatuses for use therein
02/21/1984CA1162473A1 Counter current crystallization process
02/07/1984US4430104 Multi-stage countercurrent concentrating system and method and separator
01/1984
01/19/1984WO1984000118A1 Method and apparatus for treatment in counter current of suspended particles with a liquid
01/19/1984WO1984000117A1 Apparatus for concentrating a suspension
01/18/1984EP0098637A1 Method and apparatus for treatment in counter current of suspended particles with a liquid
01/04/1984EP0097405A1 Apparatus for concentrating a suspension
12/1983
12/13/1983US4420318 Melting, heat exchanging
11/1983
11/29/1983US4418030 Process for the production of granulates of organic substances present in the form of a melt
11/22/1983US4416734 Separation of nitroalkanol by azeotropic distillation
10/1983
10/12/1983EP0091386A1 Process for purifying metals by segregation
09/1983
09/28/1983EP0089486A2 Column of fluidised chambers
09/28/1983EP0089363A1 Apparatus for and method of preparing crystals for washing
09/27/1983US4406748 Liquid purification system
09/27/1983US4406679 Apparatus for and method of preparing crystals for washing
09/20/1983US4405349 Indirect-direct freeze exchange concentrator and method
08/1983
08/23/1983US4400189 Pulsed crystallization column and method of countercurrent crystallization
08/23/1983US4400175 Continuous crushing during solidification and cooling; grooved worm profile
08/17/1983EP0085791A1 Process and device for the separation of a liquid mixture by fractionated crystallisation
08/16/1983CA1151839A1 Process for preparing metal salts, photographic materials and their use for the production of photographic images
08/03/1983EP0084895A2 A process for the continuous partial crystallization and the separation of a liquid mixture and a device for carrying out this process
08/02/1983CA1151061A1 Method of utilising solar ponds for effecting controlled temperature changes of solutions particularly in processes involving the dissolution and/or precipitation of salts
07/1983
07/26/1983US4395132 Stirring gear with internal heating
07/26/1983CA1150711A1 Crystallising of a zeolithe during industrial manufacturing processes
07/13/1983EP0083463A1 Washing column
06/1983
06/21/1983CA1148525A1 Continuous stream method of preparing crystalline zeolite
06/07/1983US4386936 Production of potassium chloride using pond crystallization
05/1983
05/31/1983US4385914 Freezing falling drops by heat exchanging with flowing fluid; separation of ice
05/18/1983EP0079246A2 Crystallizer
05/17/1983US4383981 Filtration; alcohol, ketone, sulfoxide, cyclic ether solvent
05/04/1983EP0078164A1 Separation of a mixture by the vacuum freezing vapor desublimation desublimate vaporization process
04/1983
04/12/1983US4379448 Trigger to initiate crystallization
04/05/1983US4378984 Distillative freezing process for separating volatile mixtures
04/05/1983CA1144056A1 Continuous packed bed wash column
03/1983
03/31/1983WO1983001011A1 Liquid purification system
03/31/1983WO1983001010A1 Apparatus for and method of preparing crystals for washing
03/15/1983EP0050640A4 Process and equipment for the performance of recipitate forming reactions by using an ion-exchange auxiliary phase.
02/1983
02/23/1983EP0072379A1 Mechanically agitated liquid-vapor contacting apparatus
02/22/1983CA1141774A1 Method of separating mixtures of fatty substances
02/15/1983US4374093 Continuous-stream upflow zeolite crystallization apparatus
02/09/1983EP0070989A1 Process and apparatus for the volume reduction of pressurized water reactor liquid wastes
02/08/1983US4372766 Desalting sea water
02/08/1983CA1140733A1 Equipment for the treatment of wet solids, especially pulpy materials by heating, or cooling
02/01/1983US4370858 Apparatus and method for energy production and mineral recovery from geothermal and geopressured fluids
02/01/1983CA1140583A1 Separation of 2,4-tolylene diisocyanate from mixtures of 2,4- and 2,6-tolylene diisocyanate
12/1982
12/28/1982US4365481 Method and apparatus for removal of sodium carbonate from cyanide plating baths
12/15/1982EP0067013A1 Process for removal of cyclic urea reaction product from amine gas - treating solution
12/15/1982EP0016002B1 Prevention of solute deposition fouling in membrane processes
12/01/1982EP0065775A2 Process and apparatus for continuous evaporative crystallisation
11/1982
11/30/1982CA1136563A1 Crystallization via porous tube heat transfer
11/30/1982CA1136383A1 Separation of an aqueous solution by the improved vacuum freezing high pressure ice-melting process
11/03/1982EP0063688A1 Crystallisation device
11/02/1982US4357306 Crystallization apparatus
10/1982
10/26/1982US4355520 Process for the separation of solute in cryohydrate and apparatus therefor
09/1982
09/15/1982EP0059990A1 A process for the separation of crystalline silicates
08/1982
08/10/1982US4343744 Process for separating a specified component contained in a mixture of multiple fatty components from the mixture thereof
07/1982
07/27/1982US4341746 Removal of degradation product from gas treating solution
07/13/1982US4339280 Process of producing a seeding magma for seeding a solution of a crystallizable product
07/06/1982US4338109 Counter current crystallization process
06/1982
06/30/1982EP0054868A1 Process for the production of granules from organic molten material
06/23/1982EP0054328A1 A crystallization apparatus and method for the formation of crystals in a such apparatus
06/22/1982US4336230 Applying electromagnetic radiation tuned to produce exact energy levels in particles
06/22/1982US4336030 Process for continuous crystallization
06/22/1982US4335581 Falling film freeze exchanger
06/08/1982US4333736 Method of utilizing solar ponds for effecting controlled temperature changes of solutions particularly in processes involving the dissolution and/or precipitation of salts
06/01/1982US4332599 Continuous packed bed wash column
06/01/1982US4332592 Multistage crystallization, classification of suspension, recirculation, separation
06/01/1982US4332140 Counter current crystallizer
05/1982
05/12/1982EP0051551A1 Method and apparatus for the purification of crystallizable compounds, especially from low-concentration solutions
05/12/1982EP0051340A1 Multi-stage counter-current concentrating system and method
05/11/1982US4329154 Method of recovering boric acid
05/05/1982EP0050640A1 Process and equipment for the performance of recipitate forming reactions by using an ion-exchange auxiliary phase
04/1982
04/27/1982US4327059 Apparatus for dispersing a liquid into another liquid
04/27/1982CA1122495A1 Reusable heat pack containing supercooled solution and means for activating same
04/21/1982EP0049835A2 Method and apparatus for the crystallisation of melts with simultaneous disintegration
03/1982
03/30/1982CA1120851A1 Distillative freezing process for separating close boiling mixtures and apparatuses for use therein
03/16/1982CA1119953A1 Method and apparatus for making novel particulate compositions
03/09/1982US4318772 Crystallization
03/02/1982CA1119123A1 Frequency chirp in isotopically selective photoexcitation
02/1982
02/23/1982US4316368 Multi-stage counter-current concentrating method
02/18/1982WO1982000459A1 Method and device for purifying waste water
02/18/1982WO1982000417A1 An activator for initiating crystallisation of a supercooled salt solution
02/17/1982EP0045971A1 An activator for initiating crystallization of a supercooled salt solution
02/09/1982US4314455 Freeze concentration apparatus and process
02/03/1982EP0045112A2 Process for countercurrent crystallization with recirculation
02/02/1982CA1117274A1 Dense phase precipitation
01/1982
01/27/1982EP0044366A1 Distillative freezing process for separating close boiling mixtures
01/12/1982US4310352 Process for the preparation of a mixture comprising a solid phase and a liquid phase of a metal alloy, and device for its performance
01/12/1982US4309878 Process and apparatus for separating and purifying a crystalline material
01/05/1982US4309501 Crystallization process
01/05/1982CA1115643A1 Prevention of solute deposition fouling in membrane processes
12/1981
12/29/1981US4308236 Heat exchangers for crystallization of crystallizable suspensions while in motion
12/01/1981US4303621 Process for the recovery of methionine and potassium bicarbonate
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