Patents
Patents for B01D 15 - Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor (21,474)
11/1978
11/14/1978CA1042574A1 Process for the adsorptive removal of arsenic antimony and/or bismuth from an aqueous solution
11/07/1978US4124834 Electrical inductive apparatus
10/1978
10/24/1978US4121903 Method of machine washing of solid soiled materials by contacting the circulating wash liquid with aluminosilicates
10/24/1978CA1041127A1 Method of rendering waste substances harmless
10/03/1978US4118457 Redox uranium isotope separation using anion exchangers
10/03/1978US4118316 Controlled porosity; for molecular size separations of cationic polymers
10/03/1978US4118315 Monitoring performance of a waste-water reclamation system; bacteriophage marker, aluminum chloride solution, cellulose acetate filter
10/03/1978CA1039663A1 Countercurrent carbon bed filter with intermittent, slurry-fed particle feed
09/1978
09/26/1978US4116857 Recovery of Mg++ from brines
09/26/1978US4116837 High pressure liquid chromatography apparatus
09/26/1978US4116649 For use in refrigeration system
09/26/1978CA1039080A1 Gas chromatograph oven
09/19/1978US4115272 Ion exchangers, filters
09/19/1978US4115259 Removing phosphate ions, roasting
09/19/1978CA1038849A1 Zeolite
09/12/1978US4113888 Countercurrent, multistage, decaffeination
09/12/1978US4113887 Adsorption process
09/12/1978CA1038168A1 Matrix of algae and method of making same and method of obtaining uranium from sea water by said matrix
08/1978
08/29/1978US4110164 Adsorbed enzymes
08/29/1978CA1037621A1 Fluid treating apparatus and method
08/29/1978CA1037287A1 Electromagnetic metering pump for chromatograph column
08/22/1978US4109075 Separation of saccharides by exclusion chromatography
08/22/1978US4108893 Contacting with oxygen gas, ion exchanging
08/22/1978CA1036957A1 Process for the purification of cyanogen chloride
08/15/1978US4107046 Water purifier
08/15/1978US4107041 Electromatographic separating apparatus and system
08/08/1978US4105549 Method and apparatus for purification of water
08/08/1978US4105426 Silica, refractory metal oxides
08/01/1978US4104208 Process for preparation of hard and porous polyvinylalcohol gels
08/01/1978US4104158 Volume and time of day control for water softener regeneration
07/1978
07/18/1978US4101460 High performance ion exchange composition
07/04/1978US4098867 Water-insoluble chelate exchange resins from aminopyridines and process for the selective extraction of valuable metals using the same
06/1978
06/27/1978USRE29680 Regeneration of anion exchange resins
06/13/1978US4094833 Vinylic group containing dextran derivative gel in particle form for separation purposes
06/13/1978US4094826 Fluorinated graft cation exchange copolymers
06/13/1978US4094777 Process for removing mercury from a gas or a liquid by absorption on a copper sulfide containing solid mass
06/06/1978US4093550 Column for high pressure liquid chromatography
06/06/1978US4093541 From industrial sewage waters, activated carbon having a large surface area
05/1978
05/30/1978US4092398 Ion exchange apparatus for uranium technology
05/30/1978US4092250 Water-permeable thin films of synthetic pulp or fiber containing oxygen, nitrogen or sulfur polar groups
05/23/1978US4091079 Reacting oxides of sodium, potassium, silicon, aluminum, vanadium
05/16/1978CA1031284A1 Removal of polar compounds from hydrocarbonated mixtures
05/02/1978US4087357 Ion exchanging
04/1978
04/25/1978US4086162 Method of adsorption by activated charcoal in a lower fluidized bed and upper fixed bed
04/18/1978US4085061 Tritiated water treatment process
04/18/1978US4085043 Waste water treatment
04/18/1978US4085042 Solid-fluid contacting process
03/1978
03/28/1978US4081401 Process for producing adsorbent
03/21/1978US4080290 Method for removing phosphates from aqueous solutions
03/14/1978US4079009 Apparatus for multiple column chromatography
03/14/1978US4079000 Process for refining acrylic fiber solvent containing impurities
03/07/1978US4077886 Centrifugal liquid chromatograph
03/07/1978US4077856 Removal of mercury from liquids
02/1978
02/28/1978US4076618 Treatment of liquids containing complexed heavy metals and complexing agents
02/28/1978US4076057 Methods for filling filter cells with adsorbent material
02/14/1978US4073725 Method and apparatus for liquid chromatography under elevated pressure
02/07/1978US4072615 Receiver dryer for a refrigeration system
01/1978
01/31/1978US4071398 Chemical concentration by sequential activated carbon adsorption and fractionation
01/24/1978US4070286 Macroporous microspheroids and a process for their manufacture
01/24/1978US4070285 Filling
01/24/1978US4070284 Liquid chromatography and apparatus for the same
01/24/1978US4070282 Activated carbon
01/24/1978US4070169 Chromatographic column oven
01/17/1978US4069040 Method for recovery of platinum and iridium from catalysts
01/03/1978US4066183 Chromatographic septum having polyimide coating
12/1977
12/27/1977US4065384 Graft thin layer chromatography
12/13/1977US4062882 Process for refining crude glyceride oils by membrane filtration
12/13/1977US4062777 Solid-fluid contacting apparatus
12/13/1977US4062775 Method and a device for promoting the separation of components suspended in a liquid
12/13/1977US4062240 Dosing device for a liquid chromatograph
12/06/1977US4061565 Sorption of weak organic acids from water by polyurethane
11/1977
11/29/1977US4060604 Zoapatle plant, epoxidation of a peracid
11/22/1977US4059528 Cartridge filter
11/15/1977US4058457 Recovery of activated carbon
11/08/1977US4057494 Continuous cyclic
11/01/1977US4056468 Isolation of component materials of aqueous solutions soluble in lipophilic solvents
10/1977
10/25/1977USRE29454 Method for producing a gradient elution
10/25/1977US4055493 Method for opening a high-density packed column in liquid chromatography
09/1977
09/27/1977US4051020 Hydrocarbon conversion process for removing sulfur and nitrogen with passage of catalyst particles in a series of spaced beds
09/06/1977US4046688 Using strong acid andor base ion exchange resin
09/06/1977US4046687 Or bismuth from an aqueous solutionusing salt or ester of phosphoric acid
08/1977
08/30/1977US4045353 High-energy radiation induced polymerization on a chromatographic solid support
08/23/1977US4043906 Method and apparatus for reducing the transient effects of liquid compressibility in a liquid chromatography system
08/23/1977US4043904 Waste water treatment method
08/23/1977US4043833 Method of and device for cleaning the slot-like openings of distribution and collection pipes in an ion exchanger column
08/16/1977US4042499 Liquid adsorption chromatographic apparatus and method
08/09/1977US4041135 Production of high capacity inorganic crystalline base exchange materials
08/02/1977US4039444 Water purification device
08/02/1977US4039442 Ion-exchange process for desalting water and subsequent regeneration of the ion exchangers
07/1977
07/19/1977US4036750 Use of activated fluid coke to remove organic contaminants from waste waters
07/12/1977US4035292 Fluid solid contact process and apparatus
07/05/1977US4033880 Filter device
07/05/1977US4033874 Apparatus for the treatment of liquids
07/05/1977US4033764 Complexing, inorganic clay minerals, smectites
06/1977
06/21/1977US4031156 Separation and recovery of ethylbenzene by dual desorbent composition and temperature separation processes
06/21/1977US4031038 Water insoluble chelate exchange resins having a crosslinked polymer matrix and pendant thereto a plurality of methyleneaminopyridine groups
06/21/1977US4030639 Charcoal adsorber filter fill system
06/14/1977US4029717 Simulated moving bed adsorption-desorption process for paraxylene recovery
05/1977
05/31/1977US4026803 Chromatographic column with improved end fittings
05/31/1977US4026674 Multi-stage reactor