| Patents for B01D 9 - Crystallisation (5,388) |
|---|
| 11/03/1981 | US4298732 Crystallization process |
| 10/29/1981 | WO1981003016A1 Process and equipment for the performance of precipitate forming reactions by using an ion-exchange auxiliary phase |
| 10/27/1981 | US4296612 Freeze exchanger with removable tube liner |
| 10/20/1981 | US4296072 Apparatus for the treatment of wet solids, especially pulpy materials, by heating or cooling |
| 10/13/1981 | US4294807 System for removing solids from a used lime or limestone slurry scrubbing liquor in flue gas desulfurization |
| 10/06/1981 | US4293311 Phosphoric acid crystallizer underflow return |
| 09/29/1981 | US4291550 Fluidized bed crystallization apparatus and method |
| 09/29/1981 | US4291549 Method of dispersing a liquid into another liquid |
| 09/08/1981 | US4288285 Apparatus for forming a vortex |
| 09/02/1981 | EP0034852A2 A crystallization column and method for performing a crystallization in such a column |
| 09/01/1981 | US4286436 Falling film freeze exchanger |
| 07/28/1981 | CA1105827A1 Counter current crystallizer |
| 07/28/1981 | CA1105674A1 Method of crystallizing aluminum sulphate solutions to form dust-free granules having uniform grain size |
| 07/21/1981 | US4279130 Heat exchanging, freezing |
| 07/14/1981 | US4278515 Method for removal of sodium carbonate from cyanide plating baths |
| 07/08/1981 | EP0031604A1 Rotary stirrer with internal heating |
| 07/07/1981 | US4277453 Waste gas purification reactor and method |
| 07/01/1981 | EP0031134A2 Continuously working crystallizer |
| 06/30/1981 | US4276117 Process of treating potassium chloride brine by evaporation and crystallization |
| 06/30/1981 | US4276052 Alumina, air cooling |
| 06/30/1981 | CA1103894A1 Production of potassium chloride using pond crystallization |
| 06/30/1981 | CA1103886A1 Process for dehydrating hydrated salt in solar ponds |
| 06/17/1981 | EP0030339A1 Process for concentrating aqueous solutions of temperature-sensitive substances |
| 06/16/1981 | CA1102999A1 Method for operating multiple effect evaporators |
| 06/02/1981 | US4270937 Absorbing sulfur-containing gases with carbon dioxide |
| 05/26/1981 | US4269719 Immersion of part of slowly-rotating disks into slurry; adhesion; evaporation; scraping; settling; sewage treatment |
| 05/26/1981 | CA1101826A1 Zeolite a crystals of uniformly small particle size and the manufacture thereof |
| 05/19/1981 | US4268690 Process for producing terephthalic acid of high purity |
| 05/19/1981 | US4267703 Method and apparatus for manufacturing crystalline food products |
| 05/19/1981 | CA1101190A1 Method of separating salts from solution |
| 04/21/1981 | US4263011 Crystallization process |
| 04/21/1981 | US4263010 Control method and apparatus for crystallizer process control |
| 04/21/1981 | US4262790 Controllable flow through heat exchanger |
| 04/21/1981 | US4262489 Method of and apparatus for producing pure water |
| 04/07/1981 | US4260584 Apparatus useful for wet process phosphoric acid production |
| 04/07/1981 | US4260495 Process for the filtration of zeolite suspensions |
| 03/24/1981 | US4257796 Crystallization column |
| 03/17/1981 | US4256576 Process for segregating solid substances from a liquid phase |
| 03/10/1981 | CA1097209A1 Process for preparing pharmaceutical cosmetic or diagnostic formulations |
| 02/24/1981 | US4252602 Apparatus for recovering nitric acid and hydrofluoric acid from solutions |
| 02/24/1981 | US4252549 Crystallization via porous tube heat transfer |
| 02/24/1981 | CA1096295A1 Process for continuous crystallization |
| 01/28/1981 | EP0023015A2 Separation of 2,4-tolylene diisocyanate from mixtures of 2,4- and 2,6-tolylene diisocyanate |
| 01/20/1981 | US4246187 Separation of 2,4-tolylene diisocyanate from mixtures of 2,4- and 2,6-tolylene diisocyanate |
| 01/20/1981 | US4245998 Pollution control |
| 01/07/1981 | EP0021675A2 Continuous-stream method of preparing crystalline zeolites |
| 01/06/1981 | CA1092852A1 Measuring and controlling the addition of suspension material to a process stream |
| 12/10/1980 | EP0019847A2 Process for the preparation of metal salts, photographic materials and their use in the production of photographic images |
| 12/09/1980 | CA1091039A1 Multiple ph alumina columns for molybdenum- 99/technetium-99m generators |
| 12/02/1980 | US4236382 Separation of an aqueous solution by the improved vacuum freezing high pressure ice melting process |
| 12/02/1980 | CA1090650A1 Concentrating aqueous solutions |
| 11/04/1980 | US4231755 Process for purifying solid substances |
| 10/14/1980 | US4228089 Of fatty acid esters |
| 10/07/1980 | USRE30411 Process for purifying sodium hydroxide |
| 09/23/1980 | US4224037 Method for operating multiple effect evaporators |
| 09/23/1980 | US4224035 Multistage evaporation and precipitation |
| 09/03/1980 | EP0015157A1 Process and apparatus for separating water from an aqueous mixture |
| 09/03/1980 | EP0015042A1 Improved counter current crystallization process |
| 08/26/1980 | US4218893 Distillative freezing process for separating volatile mixtures and apparatuses for use therein |
| 08/20/1980 | EP0014439A2 Process for the separation of fatty mixtures into components of different melting points |
| 08/12/1980 | CA1083472A1 Crystallization apparatus and process |
| 07/08/1980 | US4211015 Method and apparatus for making novel particulate compositions |
| 06/24/1980 | US4209312 Adding ferric ions |
| 06/24/1980 | CA1080114A1 Elutriation leg and method |
| 06/10/1980 | US4207183 Prevention of solute deposition fouling in membrane processes |
| 05/13/1980 | US4202859 Crystallizer |
| 05/13/1980 | CA1077459A1 Nucleating device and method of preparing same |
| 05/06/1980 | CA1076777A1 Process for purifying sodium hydroxide |
| 04/29/1980 | US4199961 Mechanical energy produced by a turbine drives a refrigeration compressor |
| 04/15/1980 | CA1075629A1 Olefin dicarboxylic copolymers and esters thereof as dewaxing aids |
| 03/25/1980 | US4194557 Cooler for mixtures of crystals and crystallizing liquid in the production of sugar and related products |
| 03/18/1980 | US4193768 Method for preparing corundum particles |
| 02/19/1980 | US4188797 Counter current crystallizer |
| 02/19/1980 | CA1071842A1 Process for producing salt having a reduced calcium sulfate content |
| 01/29/1980 | US4185468 Apparatus for separation, refinement, extraction and/or concentration by liquation |
| 01/22/1980 | CA1070084A1 Continuous crystallization process for preparing sodium carbonate peroxide |
| 01/08/1980 | US4182632 Diffuser |
| 01/08/1980 | CA1069427A1 Process and apparatus for the freeze concentration of solutions |
| 12/25/1979 | CA1068474A Hydrodynamic precipitation method and apparatus |
| 12/18/1979 | US4179493 Dehydration process |
| 12/18/1979 | US4178776 Intermittent vibration in fractional crystallization |
| 12/18/1979 | US4178695 New process for preparing pharmaceutical, cosmetic or diagnostic formulations |
| 12/13/1979 | WO1979001052A1 Prevention of solute deposition fouling in membrane processes |
| 12/04/1979 | US4177051 Energy conservation, purification of water |
| 11/13/1979 | US4174382 Process for the production of coarse K2 SO4 in crystallizers and classifiers |
| 11/06/1979 | US4173622 Zeolite A crystals of uniformly small particle size and the manufacture thereof |
| 10/16/1979 | US4170881 Method of and apparatus for the concentration of crystallizable liquid |
| 08/14/1979 | US4164429 Process and installation for the production of selected crystallization seeds for use in a sugar refinery |
| 07/31/1979 | US4162927 Apparatus for crystallizing sugar solution and mother liquors continuously by evaporation |
| 07/31/1979 | US4162617 Pulsed crystallizer with strips of reduced heat exchange |
| 07/17/1979 | CA1058358A1 Removal of dissolved salts from sulphide liquors |
| 07/11/1979 | EP0002960A1 Manufacture of zeolite A crystals of uniformly small particle size |
| 07/11/1979 | EP0002740A2 Process for preparing compact nitroguanidine |
| 07/10/1979 | US4160812 Multi-stage crystallization of sodium carbonate |
| 06/26/1979 | US4159194 Crystallization apparatus and process |
| 06/12/1979 | CA1056388A1 Resolution of racemic pantolactone |
| 05/29/1979 | US4156713 Production of chlorine dioxide |
| 05/22/1979 | US4155774 Sucrose crystals |
| 05/22/1979 | CA1054903A1 Method and device for growing crystals |
| 05/08/1979 | CA1054158A1 Process for resolution of 2-deutero-3-fluoro-dl-alanine salts |