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