Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
05/2000
05/10/2000CN1252517A Method for producing CO
05/09/2000US6059934 Vapor and liquid contactor segments
05/09/2000US6059272 Liquid distributor
05/09/2000US6058623 Apparatus and process for removing volatile components from a composition
05/09/2000CA2214154C Temperature-gradient type multistage condenser
05/04/2000WO2000024506A2 Method and apparatus for making structured packing element
05/04/2000WO2000024505A1 Reactor distribution apparatus and quench zone mixing apparatus
05/04/2000WO2000024489A1 Froth activator apparatus and method
05/04/2000WO2000024488A1 Vacuum distillation system and use thereof for concentrating organic-aqueous solvent mixtures
05/04/2000DE19849651A1 Rektifizierkolonne für die Extraktivdestillation von eng- oder azeotrop siedenden Gemischen Rectifying column for extractive distillation of narrow or azeotropic mixtures
05/04/2000DE19847115C1 Gegenstrom-Stripprohr The countercurrent stripping pipe
05/04/2000CA2348263A1 Method and apparatus for making structured packing element
05/03/2000EP0997558A2 Process for operating a plant for the chemical or electrochemical treatment of aluminium surfaces and apparatus for the chemical or electrochemical treatment of aluminium surfaces
05/03/2000EP0997179A1 Liquid distributor for column packing
05/03/2000EP0997178A1 A liquid distributor for a distillation column
05/03/2000EP0996499A1 Countercurrent reactor
05/03/2000EP0996491A1 Black water flash and vapor recovery process and apparatus
05/03/2000EP0975404A4 Co-current contacting separation tray design and methods for using same
05/03/2000CN1251832A Method for continuous preparation of unsaturated ketone
05/02/2000US6057470 Reaction distillation apparatus and reaction distillation method
04/2000
04/27/2000WO2000023405A1 Alkylation of benzene to form linear alkylbenzenes using fluorine-containing mordenites
04/27/2000WO2000023404A1 Alkylation of benzene to form linear alkylbenzenes using fluorine-containing mordenites
04/27/2000WO2000023164A2 Distillation process for a multi-component feed stream
04/27/2000DE19905323A1 Vacuum distillation assembly for production of vegetable base pharmaceuticals has a flash evaporator, a vapor compressor and a multi-stage condenser
04/27/2000CA2346774A1 A process for separating a multi-component pressurized feed stream using distillation
04/26/2000EP0995472A1 Installation for vacuumdistillation and using the same for the concentration of organic-aqueous solvent mixtures
04/26/2000EP0971777A4 METHOD FOR RECOVERING ALKANOLS FROM AQUEOUS HBr SOLUTIONS
04/26/2000CN1251314A All-effective zone column plate
04/25/2000US6054630 Apparatus comprising a catalytic distillation zone comprising a reaction zone with distribution of hydrogen
04/25/2000US6053485 Apparatus for tray valve attachment
04/25/2000US6053484 Downcomers for vapor-liquid contact trays
04/20/2000WO2000021940A1 Method for preparing melamine
04/20/2000WO2000021634A1 Method and device for sedimentation and washing
04/20/2000WO2000021632A1 Counterflow stripping tube
04/20/2000WO2000021631A1 Process and apparatus for removing dissolved and undissolved solids from liquids
04/20/2000DE19904863C1 Process for vaporizing prescribed components from a starting multicomponent mixture or system uses ring crucibles made of a material which acts as a susceptor against electromagnetic alternating fields
04/20/2000DE19847435A1 Sedimentation process for removing solids suspended in liquids comprises using a sedimentor containing a number of trays
04/19/2000EP0994090A1 Azeotropic mixture of perfluoroalkyl iodide and hydrogen fluoride, and method for isolating and purifying perfluoroalkyl iodides
04/19/2000EP0956890A4 Method for distilling a mixture of substances and device for realising the same
04/19/2000CN1051473C Fluid distributor for heat and material exchange column
04/18/2000US6051720 Removal of contaminants from N-methyl-2-pyrrolidone
04/18/2000US6051111 Cold distillation method
04/18/2000CA2203858C Improved method and circuit for controlling the electrical heater in a water distiller
04/13/2000WO2000020530A1 Refinery atmospheric pipestill with methanol stripping
04/13/2000WO2000020374A1 Process for purification of alkyl alkanoate
04/13/2000WO2000020339A1 Device and method for obtaining water for industrial use from untreated water
04/13/2000WO2000020137A1 Vapor containment and recovery system on a general parts washer apparatus
04/13/2000WO2000020087A1 Refinery atmospheric pipestill with ammonia stripping
04/13/2000CA2344529A1 Refinery atmospheric pipestill with ammonia stripping
04/13/2000CA2343794A1 Refinery atmospheric pipestill with methanol stripping
04/12/2000EP0992484A1 Process
04/12/2000EP0992271A1 Combined vapour/liquid distributor for packed columns
04/12/2000EP0991785A2 A method and a device for recovering metals comprising dissolving , concentrating and electrowinning means with rotatable cathode
04/12/2000CN2373150Y Plate rectifying tower of forward flow combined type
04/12/2000CN1250426A Facility for desalinating or purifying sea water or brackish water by means of solar energy
04/12/2000CN1249958A Combined vapor-liquid distributor for packed tower
04/12/2000CN1051250C Orderly packing for a column and mass transfer column using the same
04/12/2000CN1051246C Catalytic distillation structure
04/11/2000US6048441 Isolation of neopentyl glycol hydroxypivalate (NGH)
04/11/2000US6047560 Extraction distilling a mixed fluid comprising pentafluoroethane and 1,1,1-trifluoroethane in the presence of an extracting agent selected from esters and ketones each having standard boiling point of from-10 to 100 degree c.
04/06/2000WO2000018483A1 Cyclonic evaporator
04/05/2000EP0989952A1 Method for producing highly pure aqueous hydroxylamine solutions
04/05/2000CN2372032Y Complex hole miniature valve high-effective column plate
04/05/2000CN2372031Y Regular packing analytical tower
04/05/2000CN1249294A Process for refining isopropanol by salting extraction and azeotropy rectification
04/05/2000CN1051076C Method for producing urea, urea reactor and related apparatus
04/04/2000US6045762 Apparatus for catalytic distillation
04/04/2000US6045661 Process and apparatus for recovering diluent, monomer, and comonomer from a polymerization reactor effluent
04/04/2000US6045660 Mechanically assisted two-phase contactor and fuel ethanol production system
04/04/2000CA2188878C Split flow reactor trays for vertical staged polycondensation reactors
04/04/2000CA2145684C Method for selective and/or unselective vaporization and/or decomposition of, particularly, hydrocarbon compounds and apparatus for carrying out such a method
04/04/2000CA2028837C A multilayer angular packing
03/2000
03/30/2000WO2000017108A1 High temperature ultra-pure water production apparatus and liquid medicine preparation apparatus equipped with the production apparatus
03/30/2000DE19843503A1 Spirits distillery reactor has filling capacity limiter, simplifying charge process and suitable for automation
03/29/2000EP0988264A1 Process for the alkylation of benzene
03/29/2000EP0983109A4 Spent caustic (pre)treatment process
03/29/2000EP0938531A4 Hydroconversion process
03/29/2000CN2370934Y Protector for electrothermic distilled water device
03/29/2000CN2370933Y Split-type multifunctional heater for producing distilled water
03/28/2000US6042090 Distributor device for a column
03/23/2000WO2000015319A1 Process for the simultaneous treatment and fractionation of light naphtha hydrocarbon streams
03/23/2000WO2000015318A1 Liquid purifying distillation process
03/23/2000WO2000015317A1 Modular solvent recovery device
03/23/2000DE19841556C1 Evaporator for liquid sample material in which sample tubes are treated individually to permit automation and prevent cross-contamination.
03/22/2000EP0907399A4 Reactor distribution apparatus and quench zone mixing apparatus
03/22/2000EP0797471B1 A condenser cooling and temperature control system
03/22/2000EP0772483B1 Column for contacting gas and liquid
03/22/2000CN2369747Y Gas and liquid distributor in filling bed
03/22/2000CN1050521C Liquid distributor for column
03/21/2000US6039902 Methods of recycling catalyst in oxidations of hydrocarbons
03/21/2000CA2186197C Packing for a counterflow high pressure column
03/21/2000CA2024758C Shaped bodies of macroporous ion exchange resin and method of using same
03/16/2000WO2000014052A1 Microbial process for the preparation of acetic acid as well as solvent for its extraction from the fermentation broth
03/16/2000WO2000013761A1 Vortex evaporator
03/15/2000EP0812232B1 Distributor trough junctions
03/15/2000CN2368584Y B-type guided floating valve column-plate
03/15/2000CN1247482A Method and appts. for fluid contact
03/15/2000CN1050311C Producing method of high purity butylene-1
03/14/2000US6036848 Method for loading and unloading a catalyst without halting the progress of an operation
03/14/2000US6036748 Black water flash and vapor recovery method