|
Match
|
Document |
Document Title |
|
|
4624789 |
Mass transfer into porous granules using stratified semifluidized beds
Mass transfer of components from gases or liquids into porous absorbent granular media is carried out by a method using a semifluidized bed in stratified condition. The absorbent medium is composed...
|
|
|
4604209 |
Process for liquid-solid contacting
In a continuous liquid-solid contacting process with intermittent counter-current movement of particles between horizontally adjacent vessels, particle movement is effected by flowing liquid...
|
|
|
4549966 |
Method of removing organic contaminants from aqueous compositions
A method is provided of removing organic contaminants from an aqueous composition contaminated therewith. The method comprises contacting the aqueous composition with a sufficient amount of...
|
|
|
4522836 |
Upflow ion exchange treatment of natural edible juices containing high acidity and suspended solids
A naturally acidic, edible fruit or vegetable juice containing a significant concentration of suspended matter, such as pulp, is effectively subjected to ion exchange without substantial loss in...
|
|
|
4495080 |
Method for preparing a cation exchanger
There is described a method for preparing a cation exchanger to remove metals from liquids they are contained in, which comprises adding to a silicic acid medium with a molecular weight which is...
|
|
|
4446027 |
Buoyant media filter
An upflow, buoyant media filter for industrial and municipal water and wastewater treatment is disclosed. The filter bed is supported in a tank such that there is defined an influent reservoir...
|
|
|
4421654 |
Metal extraction from solution and novel compounds used therefor
What is disclosed is the preparation of novel silanes, their reaction products on various substrates and the use of the treated substrates to extract metal ions from solution. An example of such a...
|
|
|
4417961 |
Membrane cell brine feed
Method for reducing electrical energy consumption increase of ion-exchange membranes over long term use which comprises electrolyzing an alkali metal chloride solution which contains no more than...
|
|
|
4412923 |
Process and apparatus for extracting ions from a clear liquid or a liquid containing materials in suspension by contact with an exchange substance
The present invention relates to a process and an apparatus for continuously extracting ions from a clear liquid or a liquid containing materials in suspension, by means of a bed of grains of...
|
|
|
4379711 |
Apparatus and method for visually monitoring an ion exchange fluidized bed
A method and apparatus for visually monitoring the fluidized bed of a resin ion exchanger. The method includes establishing a sample fluidized bed displaced from, but in fluid communication with,...
|
|
|
4371442 |
Method for obtaining dissolved suspended or chemically bound substances from a liquid
A method and apparatus for obtaining dissolved, suspended or chemically bound substances from a liquid by passing the liquid upwardly through a bed of adsorbent particles in an upwardly extending...
|
|
|
4369114 |
Adsorption process with resin transfer
Countercurrent process for the treatment of liquids with adsorbents in a adsorption-filter the space of which is divided by trays which are permeable to liquids into at least 2 chambers, in which...
|
|
|
4334998 |
Process for placing a gas phase, at least one liquid phase, and at least one comminuted solid phase in contact
The invention relates to contact-making between a gas phase, at least one liquid phase, and at least one comminuted solid phase. The process uses a cell or compartment provided with at least one...
|
|
|
4321144 |
Process for producing fully desalted process water
Process for producing fully desalted process water by the treatment of raw water with cation and anion exchangers in a separate multi-stage arrangement. The water which leaves the main cation...
|
|
|
4297218 |
Process and apparatus for extracting a substance from a body of water
Water is passed from a relative flow thereof in a horizontal direction, into a substantially vertical passage and through a bed of absorption material in a fluidized state, in order to extract a...
|
|
|
4290894 |
Process and apparatus for cleaning contaminated water
A process and apparatus for cleaning contaminated raw water, in which raw water and a flocculator are introduced into the reaction space of a pressure vessel, which vessel has such reaction space...
|
|
|
4284511 |
Process for using magnetically ballasted sorbents
Solid sorbents such as activated carbon and ion exchange resins are ballasted with finely divided particles of a non-corrosive, magnetic iron-chromium alloy to increase their effective specific...
|
|
|
4281605 |
Apparatus for regenerating fluidizing medium
This invention relates to an apparatus of regenerating fluidizing medium employed in a fluidized-bed incinerator, wherein the sticking matter attached to the fluidizing medium employed in the...
|
|
|
4279755 |
Continuous countercurrent ion exchange process
A process for absorbing ions of interest onto ion exchange resin particles from a feed liquor containing ions which when absorbed on said particles cause the density of the particles to increase....
|
|
|
4193867 |
Operation of a two-phase reactor
A regenerative base ion exchange process involving the step of passing a liquid upwardly through a bed of particulate solid base ion exchange resin in a chamber of a two-phase reactor to regenerate...
|
|
|
4176056 |
Cyclic operation of a bed of mixed ion exchange resins
An advantageous industrial procedure for the removal of ions from an aqueous feed solution is accomplished in a system having a column containing a bed of mixed anion and cation exchange resins...
|
|
|
4140541 |
Treatment of crude sugar juices by ion exchange
Raw sugar beet diffusion juice or raw cane press or diffusion juice is de-ashed by ion exchange using calcium hydroxide, calcium carbonate mangesium hydroxide or calcium sulfite for regenerant....
|
|
|
4137162 |
Method for treating waste waters
A method for treating waste waters to remove oils and/or COD therefrom, which comprises accomodating solid porous packing pieces and activated carbon particles in a container, the porous packing...
|
|
|
4098873 |
Counter-current process for passing a solid particulate reactant to a liquid reactant
A solid, particulate reactant is continuously added to a first zone and a liquid reactant is continuously added to a second zone. A conduit between the zones allows the solid and liquid reactants...
|
|
|
4087356 |
Method for depolluting fresh and sea water from petroleum products
A method is disclosed, for depolluting fresh and sea waters from hydrocarbonaceous pollutants, the improvement consisting in that the usual microorganism cultures used for oxidizing the...
|
|
|
4086162 |
Method of adsorption by activated charcoal in a lower fluidized bed and upper fixed bed
The improved adsorption device comprises two superposed beds of solid adsorbent in which, during the adsorption step, the times of flow of fluid phase to be passed through the first or lower bed...
|
|
|
4053396 |
Control of aerobic biological growth in activated carbon waste water treatment
Organic contaminants are removed from waste water streams by initially pretreating the stream to remove suspended solids and oil therefrom and thereafter passing the pretreated waste water through...
|
|
|
4042495 |
Method for conditioning fresh and sea waters from oil
Oily hydrocarbons which pollute the surface of water are removed therefrom by scattering over the polluted surface solid particles of nutrient salt containing nitrogen and phosphorous in a form...
|
|
|
4021527 |
Production of sodium carbonate
Method of preparing refined, dense soda ash from crude trona by calcining the crude trona to crude sodium carbonate, mixing the crude sodium carbonate with an aqueous solution of soda ash or water...
|
|
|
3965000 |
Method for operating ion exchange columns
The invention relates to a method of operating columns filled with ion exchanger resins as well as an apparatus for carrying out the said method.
|
|
|
3959127 |
Biodegradation of oil on water surfaces
Free-floating oil slicks on bodies of sea and fresh water are disposed of microbial degradation at a greatly enhanced rate by applying the essential microbial nutrients, nitrogen and phosphorus, to...
|
|
|
3887448 |
Method of preventing supersaturation of electrolytes with arsenic, antimony and bismuth
A method of preventing supersaturation of electrolytes with arsenic, antimony and bismuth in which the electrolyte solutions are contacted with stannic acid and the stannic acid is regenerated with...
|
|
|
3882018 |
Process for recovery of minerals from acidic streams
This patent describes a method for the removal of the soluble group Ib, IIb, III, IV, V, VI, VII and VIII water soluble metallic ions from acidic streams such as acid mine drainage, pickling waste,...
|
|
|
3803029 |
MATERIALS PURIFICATION
Process of biologically treating waste material in which adsorbent is employed to accelerate the rate of biological degradation while micro-organisms in turn biologically regenerate the adsorbent...
|
|
|
3754993 |
LIQUID-SOLID PARTICLE OR LIQUID-GAS-SOLID PARTICLE CONTACTING METHOD
A novel liquid-particulate solid or liquid-gas-particulate solid contacting method which comprises causing a liquid and a particulate solid or a liquid, a gas and a particulate solid which have...
|
|
|
3568833 |
ION EXCHANGE METHOD AND APPARATUS
A method of continuously treating a liquid with an ion exchanger material contained in vessels being alternately in service by providing in each vessel an amount of ion exchanger material being in...
|
|
|
3551118 |
SOLID/FLUID CONTACTING
|
|
|
3512640 |
COUNTERCURRENT SOLID-LIQUID CONTACTING SYSTEM
|
|
|
3458436 |
PROCESS FOR THE TREATMENT OF LIQUIDS WITH ION EXCHANGERS
|
|
|
3445382 |
CONTINUOUS MULTISTAGE ION EXCHANGE METHOD AND APPARATUS
|
|
|
3374052 |
System for solid particles-fluid contact operations
|
|
|
3174927 |
Ion exchange processes
|
|
|
3173862 |
Process for treating liquids
|
|
|
3092515 |
Moving-bed liquid-solid contactor and operation thereof
|
|
|
3075830 |
Continuous fluid bed adsorption of bromine on anion exchange resin
|
|
|
2962437 |
Method of operating water softening apparatus
|
|
|
2959542 |
Continuous gas-lift ion-exchange process and apparatus
|
|
|
2932552 |
Extraction of uranium
|
|
|
2925382 |
Removal of granular solids from liquid-solids contacting systems
|
|
|
2850439 |
Liquid solids contacting
|