Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
12/2002
12/10/2002US6492546 Process for preparing unsaturated carboxylic esters
12/10/2002CA2217527C Water distiller with improved automatic shut-off feature
12/05/2002WO2002096861A2 Process for treating an aqueous medium containing phosphate, cyclohexanone and cycloexanone oxime
12/05/2002WO2002096814A1 Improvements in or relating to distillation apparatus
12/05/2002WO2002096531A1 Method and device for the production of polyethyleneterephthalate
12/05/2002WO2002096530A2 System for cooling a heated juice by partial low-pressure evaporation
12/05/2002US20020183545 Esterification of acetic acid with butanol or isobutanol in the presence of a solid acidic catalyst; distillation separation runs simultaneously
12/05/2002US20020182722 Apparatus for use in the extraction of flavours and odors from biological material
12/05/2002US20020182121 Continuous slurry polymerization volatile removal
12/05/2002US20020179497 Multi-stage countercurrent hydrotreating process
12/05/2002US20020179427 Process for purifying titanium tetrachloride
12/05/2002US20020179426 Of alkylene carbonate; by-product inhibition
12/05/2002US20020178916 Two stage flash for hydrocarbon removal
12/04/2002EP1262221A1 Circulation evaporator with compartmentalized liquid receiver tank
12/04/2002EP1261404A1 Liquid distributor and method for operating the same
12/04/2002EP1200378A4 Process for the separation of isobutene from normal butenes
12/04/2002EP0948381B1 Process and apparatus for the evaporation of a liquid
12/04/2002CN2523482Y Reversal enhanced gravity field rotary bed
12/04/2002CN2523481Y Quincunx combined float valve disc
12/04/2002CN1383388A Method and appts. for concentrating slurried solids
12/04/2002CN1382672A Intelligent control method of propene rectifying tower in ethylene equipment
12/04/2002CN1382511A Flow through type multi-step angular tower plate
12/04/2002CN1382510A Azeotropic and rectifying process with partial condensing for separating water and its equipment
12/03/2002US6487875 Aqua-ammonia absorption system generator utilizing structured packing
12/03/2002US6487788 Continuous process and apparatus for the drying and gel formation of solvent-containing gel-forming polymers
11/2002
11/28/2002WO2002094432A1 Method for carrying out the distillation or reactive distillation of a mixture containing at least one toxic constituent
11/28/2002WO2002094409A1 Process for purifying titanium tetrachloride
11/28/2002WO2002094408A1 Fixing parts and seals for partition elements of a multi-section partition
11/28/2002WO2002074718A3 Ionic liquids as selective additives for the separation of close-boiling or azeotropic mixtures
11/28/2002US20020177741 From synthesis gas; process control; blend with gasoline
11/28/2002US20020175427 Methods and apparatus for mixing fluids
11/28/2002US20020175066 Chambered circulation evaporator
11/28/2002US20020174900 Liquid distributor for columns
11/28/2002US20020174777 Apparatus for concentrating vegetables juices and fruit puree for alimentary use
11/28/2002DE10125678A1 Continuous preparation of polyethylene terephthalate, by esterification of terephthalic acid with ethylene glycol, condensation, rectification, and liquid phase recyling, and catalytic oxidation of acetaldehyde
11/28/2002DE10124904A1 Circulation evaporator, used for separating isocyanates of polyurethanes, comprises an evaporator connected to a run-off container, a condenser, a vacuum pump and a pump line connecting the run-off container to the evaporator
11/28/2002DE10124386A1 Distillation column for mixtures, with toxic component, has packing with variable inner geometry to form lower bubbling layer with dispersed gas phase and an upper film layer with a continuous gas phase
11/28/2002DE10124082A1 Brackish water mixes atomized water with rising air to overhead condenser and cooling down-pipe in solar still
11/27/2002EP1260266A1 Method and device for resonance excitation of fluids and method and device for fractionating hydrocarbon liquids
11/27/2002EP1260257A1 Liquid distributor for columns
11/27/2002EP1260256A1 Apparatus for concentrating vegetables juices and fruit puree for alimentary use
11/27/2002EP1259480A1 Process for the preparation of organic polyisocyanates
11/27/2002CN2522140Y Decompression concentration recovering apparatus
11/26/2002US6485613 Batch-continuous countercurrent mass transfer process
11/22/2002CA2386490A1 Chambered circulation evaporator
11/21/2002WO2002093094A1 Process and means for drying of sticky materials
11/21/2002WO2002092544A1 Use of catalytic distillation reactor for methanol synthesis
11/21/2002WO2002092216A1 Honeycomb monolith catalyst support for catalytic distillation reactor
11/21/2002WO2002092187A1 Process and arrangement for separating oil from oil containing materials
11/21/2002WO2002066691A3 Sieve tray column and process for recovery of metal value
11/21/2002WO2002064539A3 Method for the production of phthalic anhydride to a specification
11/21/2002US20020173598 Continuous slurry polymerization process and apparatus
11/21/2002US20020170813 Method and apparatus for reclaiming deicer from produced water of an oil well
11/21/2002DE10124690A1 Separating wall used for packing and/or base column for carrying out separating processes and/or chemical reactions has separating wall elements connected together by insertion
11/21/2002DE10122546A1 Verfahren zur Reinigung von Kokereigas Methods for cleaning up of coke oven gas
11/20/2002EP1258524A1 Equipment and process for physical refining and/or deodorisation of edible oils and fats
11/20/2002EP1257625A1 Solid alkylbenzene sulfonates and cleaning compositions having enhanced water hardness tolerance
11/20/2002EP1257337A2 Gas-liquid contacting column
11/20/2002EP1257336A1 Gas-liquid tray
11/20/2002EP1257335A1 Gas-liquid contact tray
11/20/2002EP1257334A1 Gas-liquid contacting tray
11/20/2002CN2520927Y Stripping tube device for stripping tower
11/20/2002CN1380252A Improved method for recovery of ammonia
11/19/2002US6482297 Method for distilling ammonia
11/15/2002WO2001094308A1 Method for separating ammonia from solutions containing caprolactam and ammonia
11/14/2002WO2002090265A1 Fluid treatment apparatus
11/14/2002WO2002090261A2 Process for obtaining alpha-campholenic aldehyde
11/14/2002WO2002089958A2 Method for cleaning coke oven gas
11/14/2002US20020169343 Catalytic rearrangement of optically active or racemic alpha -pinene oxide in presence of a solvent and zinc bromide or zinc chloride catalyst to produce alpha-campholenic aldehyde in a continuous processing
11/14/2002US20020169333 Vacuum stripping triglyceride oils and fats
11/14/2002US20020167120 Mercury recovery method and mercury recovery apparatus
11/14/2002US20020166759 Manhole device
11/14/2002US20020166758 Raw water to be treated is in series passing through at least 10 and at the most 30 evaporation stages consisting of evaporation modules in parallel; that the number of evaporation modules passed through by the salt water decreases
11/13/2002EP1255602A1 Vertical extending liquid/liquid contacting column
11/13/2002EP1255601A1 Gas-liquid contact tray having multiple downcomers
11/13/2002EP1255600A1 Gas-liquid contacting tray
11/13/2002EP1255599A1 Gas/liquid contact tray
11/13/2002EP1255598A1 Gas-liquid contact tray
11/13/2002EP1255597A1 Fluid inlet device
11/13/2002EP0907629B1 Method for the preparation of dialkyl ethers
11/13/2002CN1379430A Method and device for separating and recovering mercury
11/13/2002CN1378872A Tower plate for gas baffling
11/13/2002CN1094121C Dimethyl carbonate as extraction solvent
11/12/2002US6479624 Polymer solution preheater and method for preheating such solutions
11/12/2002US6478930 Stream of liquid stripping component (water), heat from reboiler vaporizes stream, removing vapor stream containing impurities overhead, then removing purified organic product
11/07/2002WO2002088053A1 Method for the processing of a liquid reaction discharge of the cationic polymerisation of isobutene
11/07/2002WO2002087723A1 Reactor for gas/liquid or gas/liquid/solid reactions
11/07/2002WO2002087722A1 Evaporation method for the production of clean drinking water and high-percentage brine from untreated water containing salt
11/07/2002WO2002087721A2 Device for obtaining clean fresh water by distilling contaminated primary water
11/07/2002WO2002070410A3 Quench water pretreat process
11/07/2002US20020165407 Reboiler made of nickel-chromium-iron alloy with 3-20% molybdenum and .5-7% of copper
11/07/2002US20020163091 Method and apparatus for improving a fractionation process
11/07/2002US20020162735 Reduced energy water distillation and power turbine process
11/07/2002DE10120801A1 Reaktor für gas/flüssig oder gas/flüssig/fest-Reaktionen Reactor for gas / liquid or gas / liquid / solid reactions
11/06/2002EP1121399B1 Use of methanol as a stripping gas in a refinery atmospheric pipestill
11/05/2002US6477323 System and method for continuously reprocessing waste sulfuric acid liquid, and heater supporting structure for heating a vessel made of glass
11/05/2002US6477322 Portable humidifier
11/05/2002US6476162 Method for preventing easily polymerizing substance from polymerization and method for production of (meth) acrylic acid or ester thereof
11/05/2002US6475349 Distillation column and method for promoting a uniform vapor flow
11/05/2002US6475347 High boiling inhibitors for distillable, polymerizable monomers