Patents
Patents for B01D 15 - Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor (21,474)
10/1979
10/23/1979US4172031 Separation of oil from water
10/23/1979CA1064728A1 Method and apparatus for reducing the transient effects of liquid compressibility in a liquid chromatography system
10/17/1979EP0004792A2 Moving bed ion exchange method
10/09/1979CA1063942A1 Isolation of utero-evacuant substances from plant extracts
10/02/1979CA1063522A1 Chemical concentration by sequential activated carbon adsorption and fractionation
09/1979
09/25/1979US4169051 Blood purification with coated activated carbon spheres
09/25/1979CA1063063A1 Process and apparatus for removing metallic ions from an electrolytic solution
09/25/1979CA1063037A1 Moving bed-upflow water purifier
09/25/1979CA1063036A1 Chemical concentration by activated carbon adsorption
09/18/1979US4168371 Process for making lignin gels in bead form
08/1979
08/28/1979US4166032 Method and apparatus for removing heavy metals from waste water streams
08/28/1979CA1061260A1 Process and treating equipment of polluted effluent by means of colloidal emulsions
08/14/1979US4164437 Layers of regenerated cellulose
08/14/1979CA1060591A1 Method for removing phosphates from aqueous solutions
08/14/1979CA1060227A2 Convergent light illuminated flow cell for liquid chromatography
08/09/1979WO1979000541A1 Improvements in or relating to media for affinity chromatography
08/07/1979USRE30066 Method for selectively removing chromates
08/07/1979US4163715 Method for treatment of waste water
08/07/1979US4163714 Separating substances with pressure-driven affinity sorption membranes
08/07/1979CA1059928A1 Separation of aromatic isomers
08/07/1979CA1059922A1 Oil removal structure and a method of manufacturing
08/07/1979CA1059921A1 Separator having sorbent with thin minimal-pressure-drop channels therethrough
07/1979
07/31/1979US4162979 Device for the chemical and/or physical treatment of liquids
07/31/1979US4162977 Means for removably securing separation column within column chromatography apparatus
07/31/1979US4162975 High velocity composite strainer
07/31/1979CA1059660A1 Twin belt ion exchange system
07/24/1979CA1059037A1 Apparatus for treating liquids with double-wall bed-supporting bottom
07/11/1979EP0002970A1 Process for the extraction of gallium and gallium recovered thereby
07/10/1979US4160728 Bimodal chromatographic resolving zone
07/10/1979US4160675 Process for purifying an aqueous solution
07/10/1979CA1058337A1 Process for large scale chromatography
07/03/1979US4160042 Decaffeination, deacidification
07/03/1979US4159930 Process for recovering heavy metal ions from dilute aqueous solution
06/1979
06/27/1979EP0002636A1 Process for fixing iodine and its industrial preparation
06/26/1979US4159350 Method and apparatus for desalination of whey
06/26/1979US4159284 Process for separation of hydrocarbon mixture
06/26/1979US4159244 Fluid flow through sand, gravel, or porous concrete, adsorption on active carbon
06/26/1979US4159223 Use of activated carbon to recover and separate chemicals produced during pulping operations
06/26/1979CA1057430A1 Apparatus and process for removing ammonia nitrogen from waste water
06/19/1979US4158626 Of silicon dioxide
06/19/1979CA1056727A1 Process for removing endotoxin from biological fluids
05/1979
05/30/1979EP0002072A1 Removal of bacteria from liquids and apparatus therefor
05/22/1979US4155683 System for and a method of providing a liquid chromatography eluent
05/17/1979WO1979000251A1 Adsorbent regeneration and gas separation utilizing dielectric heating
05/15/1979US4154676 Ion exchange process using activated regenerated cellulose
05/15/1979US4154674 Selective removal of anions or cations using ion exchange resins
05/15/1979CA1054340A1 Solids flow control device
04/1979
04/24/1979US4151089 Chromotography
04/24/1979US4151049 Compositions having protein reactive groups, membranes, electrodes coated with such compositions and chemical analysis methods
04/24/1979CA1053157A1 Apparatus for purification of waste water by means of active carbon
04/17/1979US4150241 Epoxidation of alkali maleate, tungstate catalyst, hydrolysis
04/10/1979US4148727 Water treatment
04/10/1979US4148708 Electrolytic cell
04/04/1979EP0001345A1 A process for complete or selective removal of salts from aqueous solution
04/03/1979US4147624 Wastewater treatment with desorbing of an adsorbate from an adsorbent with a solvent in the near critical state
04/03/1979CA1051855A1 Zeolite vk-2
04/03/1979CA1051669A1 Method of recovery of the constituent elements of catalysts based of precious metals
03/1979
03/13/1979US4144373 Materials for the separation of organic substances from solution
03/08/1979WO1979000115A1 Method for extracting urea from blood washing effluents or from blood liquids
02/1979
02/27/1979US4142020 Hetero-macrocyclic compound coated on the surface of solid
02/27/1979US4141888 Disulfide linkage cleavage
02/20/1979US4140496 S-Triazine derivatives
02/20/1979CA1048940A1 Activated-carbon water purification controlled by analysis of carbon content in water
02/13/1979US4139502 Nickel selective dioxime-containing polyurethane foams
02/13/1979US4139469 For transporting fluids under pressure as in chromatography
02/13/1979US4139458 Preparative centrifugal chromatography device
02/13/1979CA1048435A1 Separation of unsaturated compounds from liquid hydrocarbon mixtures containing same
02/06/1979CA1048175A1 Phillipsite-gismondite for ammonia
02/06/1979CA1048174A1 Removal of chromium, chromate, molybdate and zinc
01/1979
01/30/1979US4137290 Ion absorbing, reversal of fluid flow
01/30/1979US4137162 Method for treating waste waters
01/30/1979CA1047411A1 Method and apparatus for purifying water of organic compounds not readily biodegradable
01/23/1979CA1046945A1 Desiccant cartridge
01/16/1979CA1046506A1 Gel product for separation purposes and method of using the product for hydrophobic salting out adsorption
01/16/1979CA1046451A1 Chromatography solid support
01/16/1979CA1046424A1 Purification process
01/16/1979CA1046422A1 Adsorption with auxiliary high loading step before elution
01/16/1979CA1046242A1 Tritiated water treatment process
01/09/1979US4133929 Ionically modified cellulose materials for removal of heavy metal ions
01/09/1979US4133767 Multisolvents, sparging inert gases
01/09/1979US4133762 Coil type filter
01/09/1979US4133759 Liquid purification apparatus
01/09/1979US4133754 Water purification device
01/09/1979US4133562 Separation column
01/02/1979US4132511 Damper for high pressure pumping system
01/02/1979CA1045738A1 Process for removing contaminants from polycarbonate solutions
12/1978
12/26/1978US4131565 Fluidization
12/26/1978US4131547 Refillable column for chromatography at elevated pressure
12/26/1978US4131544 Activated carbon, iodine compound, precipitation
12/26/1978US4131393 Fluid pump mechanism
12/20/1978EP0000090A1 Modified phenolic resins, method for their preparation and their use as selective metal chelating agents
12/19/1978US4130642 Column of defatted and bleached egyptian cotton
12/19/1978US4130484 Molecular sieve
12/19/1978US4130483 Sewage treating and conversion process
12/19/1978CA1044471A1 Method and apparatus for recovery of heavy metal ions from dilute aqueous solution
12/05/1978US4128476 Carrier composition control for liquid chromatographic systems
11/1978
11/28/1978CA1043272A1 Adsorbent treating process for both a liquid and a gaseous hydrocarbon stream
11/21/1978CA1042813A1 Providing immediate tertiary treatment to sewage with pelletized coal
11/14/1978US4125550 Removal of free fatty acids from water immiscible fluids via ion exchange resins
11/14/1978US4125492 Affinity chromatography of vibrio cholerae enterotoxin-ganglioside polysaccharide and the biological effects of ganglioside-containing soluble polymers