Patents for B01D 1 - Evaporating (11,580) |
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10/26/1991 | CA2030324A1 Air flow control mechanism for spray dryers |
10/23/1991 | EP0452480A1 Spray conversion process for the production of nanophase composite powders |
10/22/1991 | US5059287 Home use |
10/22/1991 | CA1291161C Preparation of anhydrous alkanesulfonic acid |
10/17/1991 | WO1991015430A1 Extraction of total, natural, biological sea salt by complete evaporation of seawater, with simultaneous production of salt-free water |
10/17/1991 | DE4011877A1 Heat pump procedure for distn. and drying - has semiconductor heat pump to evaporate and condense liq. in system which requires little maintenance and can be operated by solar power |
10/16/1991 | EP0451602A1 Continuous process for upgrading polymer solutions for a requested specification of residual solvents |
10/16/1991 | EP0451601A2 Continuous process for the separation of solutions and suspensions in a flowable solid and a distillate extensively free of solids |
10/16/1991 | EP0451600A2 Continuous process to concentrate solution charged with salts and resins |
10/15/1991 | US5057191 Disposal by controlled evaporation |
10/15/1991 | US5057190 Stripping column installation for separating materials with high boiling point difference |
10/08/1991 | CA2039809A1 Continuous process for concentrating polymer solutions up to a required specification level of residual solvents |
10/08/1991 | CA2039778A1 Continuous process for concentrating solutions containing salts and resins |
10/01/1991 | US5053563 Method to concentrate and purify alcohol |
10/01/1991 | US5052122 Process for continuously drying paste material for a high-density detergent |
09/25/1991 | EP0308454B1 Device for evaporating liquids or absorbing or degassing solutions of two or more substances of inner tube/drop film design |
09/18/1991 | EP0446984A2 Method and installation for drying fluids to give powders after spraying |
09/17/1991 | US5049199 Potable water recovery and fluid preheater for syrup evaporator |
09/10/1991 | US5047153 Method for removing amine from solids |
09/10/1991 | US5047124 Apparatus for feeding gas into a saline solution |
09/04/1991 | EP0444141A1 Dry cleaning solvent filtration and recovery system |
09/04/1991 | CN2083951U Spray film tube evaporator |
09/03/1991 | US5045155 Centrifugal distillation apparatus |
09/03/1991 | US5044093 Spray-drying granulation apparatus |
08/29/1991 | DE4005520A1 Evaporator for water purificn. - has vertical plastic, metal alloy, graphite etc. heat exchanger pipes used to provide energy for integrated electro-coagulator |
08/28/1991 | EP0259307B1 Control of laboratory evaporation |
08/27/1991 | CA1288121C Dual fluid atomizer |
08/22/1991 | WO1991012474A1 Process and installation for converting waste heat into useful energy |
08/22/1991 | WO1991012074A1 Process and apparatus for producing a granulate by spray drying |
08/21/1991 | CN2083062U Feeding apparatus of vacuum evaporator |
08/20/1991 | CA1287794C Apparatus for effecting gas-liquid contact |
08/14/1991 | EP0441194A2 Apparatus for obtaining treated liquid in form of a condensate from an untreated liquid |
08/14/1991 | CN2082633U Black liquid evaporating pipe effect |
08/08/1991 | DE4003446A1 Producing cold and power from heat-pump - operated with binary fluids to utilise low-grade available heat |
07/31/1991 | EP0438883A2 Heated cover device |
07/31/1991 | EP0438783A2 Method and apparatus for cooking and spray-drying starch |
07/30/1991 | US5035067 Air flow control mechanism for spray dryers |
07/25/1991 | DE4101031A1 Horizontal spray-film evaporator - evaporator tubes in tube bundles are easily withdrawn from evaporator housing |
07/25/1991 | DE4100242A1 Treating liquids contaminated with oils, esp. emulsions of oils - in which carry-over of oil in the vapour evolved in evaporative oil-water separator is prevented by using centrifugal separator |
07/25/1991 | DE4001330A1 Heat exchanger for recovery of dry-cleaning solvents - uses liq. nitrogen vaporising to condense methyl chloride solvent |
07/24/1991 | EP0437888A2 Computer-controlled spray-dying process |
07/23/1991 | US5034029 Apparatus for effecting gas-liquid contact |
07/16/1991 | US5032230 Vacuum draft submerged combustion separation system |
07/16/1991 | US5032222 Spray drier for the preparation of powders, agglomerates and the like |
07/11/1991 | WO1991009659A1 Water distillation apparatus |
07/11/1991 | WO1991009658A1 Improved still and method |
07/10/1991 | CN2080416U Multilayer film-scraping evaporator |
07/09/1991 | US5030327 Quiescent liquid, rising gas bubble stream, boiling, channeling bubble stream, heat exchanging, condensation |
07/04/1991 | DE4042059A1 Weight-monitored evapn. of heated liq. - using gas delivered by nozzle rapidly retracted on reaching desired vol. |
07/03/1991 | EP0434966A1 Method for delivering a reactant to a glass soot deposition system. |
07/02/1991 | US5028298 Waste water concentrator and waste water disposal plant |
07/02/1991 | US5028297 Film-forming evaporation apparatus |
07/02/1991 | US5027750 Heat exchanger for suspension of liquid drops in a vapor |
06/27/1991 | WO1991008812A1 Process and device for separating solvents and oils |
06/26/1991 | EP0433729A1 Rotary evaporator |
06/23/1991 | CA2031912A1 Heated cover device |
06/20/1991 | DE3941278A1 Vertical tube evaporator - gives improved separation of droplets from the product vapour in compact a unit |
06/19/1991 | EP0432207A1 Spray drying apparatus. |
06/18/1991 | US5024788 Structure for effecting gas-liquid and part thereof |
06/18/1991 | US5024728 Volatilizer connected to vacuum coupled to heat exchanger |
06/12/1991 | EP0431030A1 A distillation apparatus. |
06/05/1991 | EP0430838A1 Porous condensator, distillation apparatus, and its application for the treatment of liquid pig manure |
06/04/1991 | US5020588 Method and apparatus for simultaneous heat and mass transfer utilizing a plurality of gas streams |
06/04/1991 | US5020335 Air conditioning |
05/30/1991 | WO1991007353A1 Process for purifying organically polluted waste water |
05/29/1991 | EP0429375A1 Heat-exchanger apparatus of falling film type |
05/29/1991 | CN2077739U Horizontal high efficiency tube array condensation evaporator |
05/21/1991 | US5017043 Method of an means for controlling precipitation in evaporation ponds |
05/16/1991 | WO1991006818A1 Plate evaporator |
05/16/1991 | WO1991006817A1 Evaporation and condensation apparatus |
05/16/1991 | DE3938012A1 Desalination evaporator for sea-water - comprises initial flash evaporator, external heat exchanger and cleaning system |
05/15/1991 | EP0427446A2 Process for deaerating polymeric solutions |
05/15/1991 | CN2076871U Dual-purpose casing membrane type evaporator |
05/14/1991 | US5015332 Spray dryer |
05/10/1991 | WO1991007244A1 Spray conversion process for the production of nanophase composite powders |
05/10/1991 | CA2045125A1 Spray conversion process for the production of nanophase composite powders |
05/09/1991 | CA2027264A1 Process for deaerating polymeric solutions |
05/08/1991 | EP0426115A1 Method for removing amine from solids |
05/08/1991 | DE3937109A1 Distn. of liq. contg. surfactants heated by microwaves - to counter bubble and froth formation |
05/07/1991 | CA2028463A1 Distillation of organic compounds |
05/02/1991 | EP0425216A2 Laboratory evaporation apparatus |
05/02/1991 | EP0425000A1 Process for the concentration of sulphuric acid and water containing fluid |
05/01/1991 | CA2028685A1 Method for removing amine from solids |
04/30/1991 | US5011571 Evaporation |
04/28/1991 | CA2024547A1 Process and apparatus for concentrating a liquid which contains sulfuric acid and water |
04/24/1991 | EP0423377A1 Method of and apparatus for drying articles |
04/24/1991 | EP0423135A1 Process plant. |
04/18/1991 | WO1991004980A1 Method for distillative separation of alcohols |
04/18/1991 | WO1991004776A1 Gas distributor and heater for spray drying |
04/17/1991 | EP0423039A1 Process and device for decontaminating solid materials |
04/17/1991 | EP0256003B1 Process for converting a thermoplastic polymer into spheroidal agglomerated granules |
04/13/1991 | CA2027474A1 Solid products decontamination apparatus and process |
04/11/1991 | DE3940994C1 Coupling of a vapour tube to a driver tube with a driver lug - uses a tube with at least one axial and radial recess, against which the lug is seated |
04/10/1991 | EP0421187A1 Process for separation of alcohols by distillation |
04/10/1991 | CN1050543A Process for removing alcohol by distillation |
04/09/1991 | US5006255 Selective permeable membrane for separation of liquid solution |
04/09/1991 | CA1282573C Spheroidal alkali metal polyphosphates of low apparent density, and process and apparatus for making them |
04/02/1991 | US5004522 Method of treating photographic process waste liquor through concentration by evaporation |
04/02/1991 | US5004043 Internal tubular falling film apparatus for the evaporation of liquids and for the absortion or degassing of solutions of two or more substances |
03/27/1991 | CA2026170A1 Gas distributor and heater for spray drying |