Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
05/2003
05/29/2003US20030098042 Iron oxide deposits may be removed from the surface of a titanium component by contacting the titanium component with a solvent mixture of organic acid and hydrohalide acid, which can be recycled after removal from the titanium
05/28/2003EP1314698A1 Process and apparatus for treating ammonia-containing waste water
05/28/2003EP1313790A1 Reactive rectification
05/28/2003CN2552576Y High vacuum reboiling device with mass transfer function
05/28/2003CN1420895A Method and device for removing volatile components from polymer materials
05/28/2003CN1420799A Apparatus and method for removing solvent residues
05/28/2003CN1419956A Catalytic rectification and reaction method and apparatns
05/28/2003CN1419946A High-efficiency guide sieve-plate tower
05/28/2003CN1109574C Countercurrent reactor
05/27/2003US6570026 Method for producing phthalic anhylic anhydride according to specifications
05/27/2003US6569291 Liquid distributor for separation columns
05/27/2003US6568663 Increased efficiency fractional distillation tray and process
05/27/2003CA2292131C Mixed-resistance structured packing
05/22/2003US20030095915 Method for distillation of sulfur for the preparing radioactive phosphorous nuclide
05/22/2003US20030094709 Liquid distributor internal baffling
05/22/2003US20030094417 Especially methanol and isopropanol, using adsorption techniques.
05/22/2003US20030094245 Concentrator
05/22/2003DE20300046U1 Rotary evaporator used for automatic distillation processes has membrane pump connected to outlet of condenser on suction side and to condensate collecting vessel on pressure side, and rinsing air feed
05/21/2003EP1312599A1 Process for separating mixtures of crude, water-containing amines originating from the amine synthesis
05/21/2003EP1312404A1 Process and apparatus to distillate water from seawater, brackish water or other contaminated waters
05/21/2003EP1312403A1 Apparatus to concentrate solutions
05/21/2003EP1119556B1 Method for preparing melamine
05/21/2003CN2551312Y Crude benzole dephlegmator
05/21/2003CN1108993C Facility for desalinating or purifying sea water or brackish water by means of solar energy
05/21/2003CN1108845C Device and method for distillation
05/21/2003CN1108844C Fractionating reaction tower plate type catalytic distillating equipment
05/20/2003US6565629 Vapor-liquid contactor, cryogenic air separation unit and method of gas separation
05/20/2003US6565071 Liquid/gas contacting apparatus
05/15/2003WO2003039733A1 Device for distributing a polyphase mixture on a granular solid bed comprising a porous anti-splash nozzle element with flanges
05/15/2003WO2002102488A8 Contact tray having supported downcomers and methods involving same
05/15/2003US20030092939 Preparation of metal formate/formic acid mixtures
05/15/2003US20030092938 Catalytic gas-phase oxidation; absorbing (meth)acrylic acid from mixed gas; separating, refining, recovering (meth) acrylic acid from (meth)acrylic acid containing liquid; recirculating (meth)acrylic acid in a vent gas
05/15/2003US20030090009 Liquid distributor and method for operating the same
05/15/2003US20030089593 Evaporating effluent liquid from pulp or paper mill, flashing and purifying in a steam stripping column
05/15/2003US20030089591 For the preparation of dimethylpropylamine from dimethylamine and propionaldehyde in the presence of hydrogen
05/15/2003US20030089590 Water distillation system
05/14/2003EP1310172A1 Process for the preparation of metalformate-formic acid mixtures
05/14/2003EP1309574A1 Method for purifying 2-chloro-5-chloromethyl thiazole
05/14/2003CN2550023Y Rectifying device
05/14/2003CN1418184A Method of chemical recycling of polyethylene terephthalate waste
05/14/2003CN1417188A Preparation process of metal formate/formic acid mixture
05/14/2003CN1417176A Intelligent control method for ethylene rectifying tower of ethylene equipment
05/14/2003CN1416933A Composite inclined stereo long column tray
05/13/2003US6562776 Solid alkylbenzene sulfonates and cleaning compositions having enhanced water hardness tolerance
05/13/2003US6562205 High-temperature ultrapure water production apparatus and liquid medicine preparation apparatus equipped with the production apparatus
05/13/2003US6560990 Non-promoting-fluid-dispersion type structured packing is formed with thin metal sheets or tubes directing the liquid and vapor flow vertically
05/13/2003CA2284157C Combined vapor/liquid distributor for packed columns
05/08/2003WO2003038020A1 Method for fractionating grease trap waste and uses of fractions therefrom
05/08/2003WO2003037858A1 Method and arrangement for the preparation of percarboxylic acid
05/08/2003WO2003037799A2 Point of use water purification method and apparatus
05/08/2003WO2003037474A1 Purification of organic solvents
05/08/2003CA2465513A1 Purification of organic solvents
05/08/2003CA2457757A1 Point of use water purification method and apparatus
05/07/2003EP1307435A1 Integrated process for the preparation of olefin oxides
05/07/2003EP1307399A1 Process for the production of hydrogen peroxide
05/07/2003EP1251919A4 New dimensions in reactive distillation technology
05/07/2003EP1220825B1 Process for hydrolytically obtaining a carboxylic acid and alcohol from the corresponding carboxylate
05/07/2003EP1066242B1 Process and apparatus for the production of butylacetate and isobutylacetate
05/07/2003EP1051084B1 Method and device for extracting plant ingredients
05/07/2003CN1415396A Deflection of jet type revolving bed equipment in hyper gravity field
05/06/2003US6558515 Dividing wall fractionation column control system and apparatus
05/02/2003EP1305558A1 Improved aqua-ammonia absorption system generator utilizing structured packing
05/02/2003EP1305276A2 Method for producing tertiary c 4?-c 8?-alkyl esters of (meth)acryl acid
05/01/2003WO2003035555A1 An ultra-efficient vaporizer for desalinating seawater instantaneously by high-pressured gas
05/01/2003WO2003035287A1 Distillation apparatus
05/01/2003WO2003035222A1 Water-soluble organic material condensation apparatus
05/01/2003US20030080064 Waste liquid processing method and waste liquid processing apparatus using the same
05/01/2003US20030080028 To moderate the operation conditions of solvent recovery, increase the yield of aromatics, and make the separated aromatics to be neutral
05/01/2003US20030079981 Apparatus and method for distilling waste liquids
05/01/2003CA2463467A1 Cell separation matrix
05/01/2003CA2463211A1 Distillation apparatus
04/2003
04/30/2003CN2547376Y Turbo depressing flash evaporator
04/30/2003CN1107043C Organic thermal carrier heating furnace for alcohol distillation
04/29/2003US6554995 Method of separating petroleum-containing material into fractions, extraction system, and extraction fluid therefor
04/29/2003US6554965 Rectification column for isolating pure substances from high boiling air-and/or temperature sensitive substances
04/29/2003CA2224696C Two-phase downflow liquid distribution device
04/29/2003CA2177449C Process for treating a gas stream to selectively separate acid gases therefrom
04/29/2003CA2095285C A distillation column with vaporous sidestream removal
04/24/2003WO2003033622A1 Process for converting waxy feeds into low haze heavy base oil
04/24/2003WO2003033428A1 Recycle for supercritical carbon dioxide
04/24/2003WO2003033412A1 Installation used to obtain salt-free sea water at a low temperature with continuous operation and enthalpy recovery
04/24/2003WO2003033114A1 Central carbon dioxide purifier
04/24/2003WO2003016435A3 Unpressurized liquefaction of residues
04/24/2003US20030075477 Process for converting waxy feeds into low haze heavy base oil
04/24/2003CA2463941A1 Recycle for supercritical carbon dioxide
04/24/2003CA2463800A1 Central carbon dioxide purifier
04/23/2003EP1303733A1 Hydraulically balanced fully thermally coupled system
04/23/2003EP1303345A1 Method for neutralising a stream of fluid, and washing liquid for use in one such method
04/23/2003EP1303337A1 Device for distilling a medium
04/23/2003EP1303336A1 Process and apparatus for the isolation of pure, or substantially pure, organometallic compounds
04/23/2003CN2546068Y Spraying forward flow combined plate chemical tower
04/23/2003CN1106217C Equiprobability-type self-distributed filler tower
04/22/2003US6552242 Recover desorbent butane using single column; reduced cost
04/22/2003US6552221 Implementing on line infrared analysis to the purification and recycling section of reaction system
04/22/2003US6551466 Water purification
04/22/2003US6551465 Dividing wall column control system
04/22/2003US6551464 Distillation/reflux equipment
04/22/2003US6550485 Washing with acidity solution
04/22/2003US6550274 Uses at least three distillation zones; to separate multi-component mixtures containing three or more components
04/22/2003CA2075562C Oil and gas fractionating process on an oil pool effluent