Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
12/1998
12/09/1998EP0882480A1 Facility for distilling a liquid product
12/09/1998EP0882003A1 Alkylation of benzene to form linear alkylbenzenes using fluorin e-containing mordenites
12/09/1998EP0881943A1 Catalytic distillation structure
12/09/1998EP0881925A1 Distillation of vinylaromatic monomer
12/09/1998EP0746425A4 General parts washer
12/09/1998EP0647208B1 Process and apparatus for the production, particularly domestic production, of beverages
12/09/1998CN1201078A Purification of electronic specialty gases by vapor phase transfering
12/09/1998CN1200945A Gas-solid quickly separating method and apparatus for lift-leg outlet having close-phase circulation prestripping device
12/08/1998US5847254 Alkylation of benzene to form linear alkylbenzenes using fluorine-containing mordenites
12/08/1998US5847249 Apparatus and process for catalytic distillations
12/08/1998US5847208 Method for increasing the yield and the production potential of urea reactors
12/08/1998US5846299 Recovering water soluble, volatile, organic compounds from bakery and other plant emissions
12/02/1998EP0880388A1 Etherification-hydrogenation process
12/02/1998EP0880387A1 Compact vacuum distillation
12/02/1998CN1200456A Flexibility structure method and flexibility boiler thereof
12/01/1998US5843286 Process for the preparation and fractionation of a mixture of dimethyl ether and chloromethane with water as extractant
11/1998
11/25/1998EP0879627A1 Condensate treatment process and apparatus
11/25/1998EP0879626A2 Liquid distributor tray
11/25/1998EP0879313A1 Filter regeneration and dry cleaning system
11/25/1998EP0879076A1 Vapor-liquid contact tray and downcomer assembly and method employing same
11/25/1998EP0741669B1 Process and device for thermally separating components of a liquid
11/25/1998CN2298049Y Floation jet tray for rosin distillation column
11/24/1998US5840259 Cooling oil is provided within fixed catalyst bed which condenses a portion of the vaporized reaction mixture
11/19/1998WO1998051648A1 Process for the alkylation of benzene
11/19/1998WO1998051390A1 Vapor liquid contact tray with relief weir sumps
11/19/1998WO1998051389A1 Vapor-liquid contact tray with two-stage downcomer
11/19/1998DE19719745A1 Hydraulic pressure valve installation for tipping mechanism of tip-up truck
11/19/1998CA2290091A1 Vapor-liquid contact tray with two-stage downcomer
11/18/1998EP0878221A1 Distribution device for columns
11/18/1998EP0728121B1 Method for preparing high purity hydrogen bromide
11/18/1998CN1199418A Deodorisation plant for fatty oils
11/18/1998CN1198959A Large-throughput plate separation tower
11/17/1998US5837107 Process for production of aqueous solutions of free hydroxylamine
11/17/1998US5837106 Halohydrocarbon recovery process
11/17/1998US5837105 Co-current contacting separation tray design and methods for using same
11/12/1998WO1998050127A2 Operation method of a plant for distilling liquid products and plant for realising the same
11/12/1998WO1998032510A3 An apparatus for catalytic distillation
11/12/1998DE19719403A1 Disposal of rubbish dump seepage water
11/10/1998US5834275 Process for deodorizing fermented culture broths with superheated steam
11/10/1998US5833813 Method of recovering and dehydrating ethylene sulfide
11/10/1998US5833812 Water is heated by passing current through two partially submerged probes to generate steam; plastic heating bowl, condensing unit, and tank have simple disassembly for cleaning
11/10/1998CA2102718C Process for the further processing of the vacuum residue in a crude oil refinery
11/05/1998WO1998048647A1 Essence recovery system
11/05/1998WO1998009492A3 Method for the vacuum distillation of a liquid product and particularly petroleum products, variants and equipment for realising the same
11/04/1998EP0875266A2 Flash apparatus
11/04/1998EP0613412B1 Process for removing the solvent from a polymer solution
11/04/1998CN1198110A On-site ammonia purification for semiconductor manufacture
11/04/1998CN1040509C Liquid distributor for heat and mass exchange device and its use
11/03/1998US5830324 Controlled continuous purification of propylene oxide by extractive distillation
11/03/1998US5830314 Cleaning condensates from multi-effect evaporator of cellulose pulp waste liquors
10/1998
10/29/1998WO1998047595A1 A separator device for removing pollutants from waste water
10/29/1998WO1998047593A1 Compositions and methods for inhibiting fouling of vinyl monomers
10/29/1998WO1998047591A2 Operation process of a pumping-ejection stand for distilling liquid products
10/29/1998WO1998031844A3 Flash evaporator
10/27/1998US5827404 Separating by specific gravity, heating and vaporizing lower layer and upper layer, cooling and condensing
10/27/1998US5827402 Drinking water apparatus
10/22/1998WO1998046553A1 Beta-elemene, method to prepare the same and uses thereof
10/22/1998DE19716373A1 Counterflow column, process plant and process for reducing volatiles in dispersions
10/21/1998EP0871525A1 Liquid medium extraction purification method
10/20/1998US5824196 Removing contaminant from recycled polyethylene terephthalate (rpet) by steam stripping
10/20/1998US5824194 Fractionator system for delayed coking process
10/20/1998US5824132 Method of phosphoric acid concentration
10/20/1998CA2018380C Continuous process for the separation of partially water soluble component from a slurry
10/15/1998WO1998045012A1 De-entrainment tray and method of operation
10/15/1998WO1998045011A1 Co-current contacting separation tray design and methods for using same
10/15/1998WO1998045010A1 Improved wastewater treatment apparatus and method
10/15/1998CA2284919A1 Improved wastewater treatment apparatus and method
10/15/1998CA2284582A1 Co-current contacting separation tray design and methods for using same
10/13/1998US5820837 Regenerating solvent; flashing; recovering high quality carbon dioxide
10/13/1998US5820748 Safe removal of gasses, water and solvents from used lubricating oils with vacuum apparatus under mild temperature conditions
10/08/1998WO1998044263A1 Jet pump for creating the vacuum conditions required for liquid product distillation
10/08/1998WO1998043717A1 METHOD FOR RECOVERING ALKANOLS FROM AQUEOUS HBr SOLUTIONS
10/07/1998EP0868399A1 Process for producing aqueous solutions of free hydroxylamine
10/07/1998EP0868398A1 Process for separating medium boiling substances from a mixture of low, medium and high boiling substances
10/07/1998CN1194879A Rectangular suspended downcomer guide column plate
10/07/1998CN1194878A Air compounded packing column plate
10/07/1998CN1040125C Reclamation method of used lubricating oil
10/06/1998US5817865 Preparation of acrylic acid and esters
10/06/1998US5817227 Process for the selective reduction to the content of benzene and light unsaturated compounds in a hydrocarbon cut
10/06/1998US5817211 Process and device for continuous evaporation to dryness of viscous solutions and suspensions with a tendency to stick
10/01/1998WO1998042804A1 Aromatic solvents having aliphatic properties and methods of preparation thereof
10/01/1998DE19710157A1 Vaporising and solidifying salt=containing solution(s)
10/01/1998DE19710151A1 Vaporising and solidifying salt=containing solution(s)
10/01/1998CA2284252A1 Aromatic solvents having aliphatic properties and methods of preparation thereof
09/1998
09/30/1998EP0866843A1 Deodorisation plant for fatty oils
09/30/1998EP0812233B1 Process and device for regenerating a contaminated solvent
09/30/1998EP0705126B1 Heat transfer apparatus with positive drive orbital whip rod
09/30/1998EP0588851B1 Apparatus and method for reclaiming useful oil products from waste oil
09/29/1998US5814207 Oil re-refining method and apparatus
09/29/1998CA2015574C Method for the preparation of methyl tertiary butyl ether
09/29/1998CA2015458C Low temperature air fractionation accommodating variable oxygen demand
09/23/1998EP0866032A1 Apparatus for the concentration of a waste water-based liquid
09/23/1998EP0865810A1 Process for the concentration of a waste water-based liquid
09/23/1998EP0773828B1 Non-welded support plate member
09/23/1998CN1193629A Concentrating method of polymer solution
09/22/1998US5811621 Converting methoxy compostition to mixture of ethylene, methane, and hydrogen; distilling to produce a condensate stream free of methane and hydrogen; feeding to second column to give a vapor stream of ethylene
09/22/1998US5811620 Charging tertiary butyl alcohol to middle section of reactive distillation column containing bed of fluoride-treated beta zeolite or montmorillonite clay catalyst to produce isobutylene and water
09/22/1998US5811597 Method for the manufacture of methyl tertiary butyl ether from tertiary butyl alcohol and methanol
09/22/1998US5810976 Device for processing water having high concentrations of scale forming compounds and high solids content in a high efficiency vapor compression distillation system
09/22/1998CA2131216C Process for removal of solvents from detergent pastes
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