| Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025) |
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| 09/30/1992 | CN1018430B Precipitation of scale-forming materials from solution |
| 09/29/1992 | US5151161 Separation of olefinic hydrocarbons by extractive distillation |
| 09/29/1992 | US5151160 Distillation of a mixture and extraction with a solvent |
| 09/29/1992 | CA1307972C Seasoning from hydrolyzed vegetable proteins |
| 09/23/1992 | EP0504647A1 Method and installation for treatment of waste water, especially high-solids industrial waste water |
| 09/23/1992 | CN2116519U Extractive-distillation apparatus |
| 09/23/1992 | CN2116518U Compound uniflow bubble-cap distillation tower |
| 09/22/1992 | US5149892 Chlorinated benzenes |
| 09/22/1992 | US5149399 Liquid evaporator |
| 09/22/1992 | US5149342 Desorption with steam, strippping, distillation, incineration, activated carbon |
| 09/17/1992 | WO1992015659A1 Method for refining of waste lubricating oils and an apparatus for employing the method |
| 09/17/1992 | DE4110732C1 Controlled withdrawal of free falling liq. stream in closed system - using glass vessel including horizontal pipe connected to discharge pipe via ball valve, etc. |
| 09/16/1992 | EP0504099A1 Sealing arrangement for rotary evaporators |
| 09/16/1992 | EP0503990A1 Apparatus for distillation-reaction and its use |
| 09/16/1992 | EP0503831A1 Destruction of polychlorinated biphenyls |
| 09/16/1992 | EP0503771A1 Process for the separation of a product stream comprising fluorocarbons by distillation |
| 09/15/1992 | US5147584 Contact tray assembly and method |
| 09/15/1992 | US5146978 Method and apparatus for monochannel simultaneous heat and mass transfer |
| 09/15/1992 | CA2062013A1 Separation process |
| 09/14/1992 | WO1992016287A1 Random packing element and method |
| 09/09/1992 | EP0502404A1 Method for decreasing the level of contamination of fuels |
| 09/09/1992 | EP0502066A1 Method for extracting cholesterol from an animal fat |
| 09/09/1992 | CN1064224A Adsorption-distillation separation method |
| 09/08/1992 | US5145612 Apparatus for mixing vapor in a countercurrent column |
| 09/08/1992 | US5145563 Dehydration of propylene oxide by extracting distillation |
| 09/08/1992 | US5145562 Extractive distillation of mixtures containing aromatic and olefinic hydrocarbons |
| 09/08/1992 | US5145561 Removal of water and methanol from propylene oxide by extractive distillation |
| 09/08/1992 | CA1307232C Distillation system and process |
| 09/02/1992 | EP0501665A1 Evaporator with solvent recovery feature |
| 09/02/1992 | EP0501615A2 Liquid distributor assembly |
| 09/01/1992 | US5143585 Method of removing organic solvents |
| 09/01/1992 | US5143526 Membrane for removal of alcohol to form low ethanol beverages |
| 09/01/1992 | CA1306940C Falling film liquor heater |
| 08/27/1992 | DE4106011A1 Device for treating foaming liquids, e.g. in stripping of animal slurry - by removing gas from slurry by gas rising in contra-flow through column, and passing gases through bent duct at top of column to destroy foam |
| 08/26/1992 | CN2113978U Machine for processing natural perfume |
| 08/26/1992 | CA2036979A1 Solar distiller |
| 08/25/1992 | US5141630 Separation process employing two stripping gases |
| 08/25/1992 | US5141536 Glycol dehydration apparatus for natural gas |
| 08/25/1992 | US5141531 Hydrating anhydrous salt; dehydrating pure water |
| 08/22/1992 | CA2046971A1 System for treating waste organic solvent and thin membrane distillation apparatus incorporated therein |
| 08/19/1992 | EP0499356A1 A low profile water distiller |
| 08/19/1992 | EP0499040A1 Corrosion- and heat-resistant packing for mass- and heat-exchange processes |
| 08/19/1992 | CN1063623A Tower packing with small and large louvers |
| 08/19/1992 | CN1017869B Catalyzed reaction distillation tower |
| 08/18/1992 | US5139622 Removing water, methanol and acetone from feedstock using triethylene glycol distillation agent |
| 08/18/1992 | US5139620 Dimple plate horizontal evaporator effects and method of use |
| 08/16/1992 | WO1992014530A1 Process and apparatus for producing concentrated aqueous slurries and spray dried particulate products |
| 08/16/1992 | CA2079687A1 Process and apparatus for producing concentrated aqueous slurries and spray dried particulate products |
| 08/13/1992 | DE4103734A1 Safety device with ventilated absorber for ammonia refrigerator - incorporates three-level absorption tank with atmos. vent from below level of water in lowest stage |
| 08/12/1992 | EP0498017A1 Process for removing pollutants from contaminated material, more particularly from contaminated soil and rubble |
| 08/12/1992 | CN1063501A Filler and foam breaking mesh used for fractionating tower in refining of crude oil |
| 08/12/1992 | CN1063423A Process for substance exchange between liquid and gaseous media |
| 08/11/1992 | US5137605 Cooling, supersaturation, recyclicling |
| 08/11/1992 | US5137369 Static mixing device |
| 08/06/1992 | WO1992013620A1 An active liquid distributor containing packed column |
| 08/06/1992 | WO1992012777A1 Method and apparatus for concentration of liquids |
| 08/06/1992 | CA2101276A1 Active liquid distributor containing packed column |
| 08/05/1992 | CN1017684B Tricking sheet for packing means in installation for bringing liquid and gas into contact and packing means thus constituted |
| 08/04/1992 | US5135648 Universal liquid reduction and treatment system |
| 07/29/1992 | CN1063051A Energy-saving process for separation of light hydrocarbons |
| 07/28/1992 | US5133942 Chemical reactors for catalytic reactions |
| 07/28/1992 | US5133880 Fluid purifier and method for purifying fluid contaminated with a volatile contaminant |
| 07/28/1992 | US5133837 Dimpled plate multi-stage flash evaporator |
| 07/28/1992 | CA1305715C Process for the production of substantially pure gamma-butyrolactone |
| 07/22/1992 | EP0495418A1 System and device for increasing the yield and the production potential of urea reactors |
| 07/22/1992 | EP0495385A1 Process for material exchange between liquid and gazeous fluids |
| 07/22/1992 | EP0495169A1 Static mixing device |
| 07/21/1992 | US5132918 Method for control of a distillation process |
| 07/21/1992 | US5132056 Corrugated metal sheet, distillation |
| 07/21/1992 | US5132055 Fluid distributor for heat and material exchange column, for example with lining, and column provided with such distributor |
| 07/21/1992 | CA1305445C Process for the continuous separation of water from mixtures with organic substances |
| 07/19/1992 | WO1992012811A1 A water distiller having operating portions that can be removed for cleaning |
| 07/19/1992 | WO1992012778A1 A water distiller having heating element with temperature sensing and control elements |
| 07/19/1992 | WO1992012776A1 A low profile water distiller |
| 07/19/1992 | CA2076014A1 Water distiller having element with temperature sensing and control elements |
| 07/19/1992 | CA2075965A1 Water distiller having operating portions that can be removed for cleaning |
| 07/19/1992 | CA2075938A1 Low profile water distiller |
| 07/15/1992 | EP0494154A1 Method and apparatus for separation processes. |
| 07/15/1992 | CN1017414B Industrial process for separation and recovery of chlorine |
| 07/14/1992 | US5130102 Catalytic distillation reactor |
| 07/14/1992 | US5129996 Lower alkylene oxide purification |
| 07/14/1992 | CA1305096C Process for purifying methanol |
| 07/07/1992 | US5128107 Apparatus for making ester |
| 07/07/1992 | US5127997 Purification of propylene oxide by liquid extraction |
| 07/01/1992 | EP0493144A1 Apparatus for molecular distillation by induction heating |
| 07/01/1992 | EP0492802A1 Tower packing with louvers |
| 07/01/1992 | EP0492572A2 Distillation plus ion exchange processing of a brine stream |
| 07/01/1992 | EP0491696A1 Method of evaporating warm liquid |
| 07/01/1992 | CN1017253B Process for treatment of vacuum distillation residue in crude oil refinery |
| 06/25/1992 | WO1992010596A2 Flash drying treatment of solvent from workpieces |
| 06/25/1992 | CA2055513A1 Distillation plus ion exchange processing of a brine stream |
| 06/24/1992 | EP0491591A1 Air distillation column with a corrugated cross packing |
| 06/24/1992 | EP0491464A2 Aromatic alkylation process |
| 06/24/1992 | EP0491288A1 Method for the optimal control of the mass exchange zone of a distillation column |
| 06/24/1992 | CN1062205A Method and apparatus for monochannel simultaneous heat and mass transfer |
| 06/24/1992 | CN1062098A Rotary bed super gravity field installation of turning lathe with extracting device |
| 06/24/1992 | CN1062097A Repeatedly rectifying method for multiple unit thermal sensitive materials under vacuum |
| 06/23/1992 | US5124004 Distillation process for ethanol |
| 06/23/1992 | CA1304034C Method for hydrocracking heavy fraction oil |
| 06/18/1992 | CA2057509A1 Cold box with corrugated-rippled lining |