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7618538 |
Procedure for elimination of boron from sea-water by reverse osmosis membranes
The present invention relates to a procedure for elimination of boron from sea-water by reverse osmosis membranes characterized in that it comprises:
adding to sea-water a composition...
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7615028 |
Extracorporeal blood treatment and system having reversible blood pumps
An extracorporeal blood treatment system including: a blood circuit having a first blood passage coupled at a first end to a first end of a blood treatment device and a second blood passage coupled...
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7611872 |
Method for the production of D-pantothenic acid and/or salts thereof via purification by nanofiltration as adjunct for animal feedstuffs
The invention relates to an improved method for the production of D-pantothenic acid and/or salts thereof and use thereof as adjunct for animal feedstuffs.
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7601263 |
Composite membrane and process
The invention relates to a composite with a separation-active membrane layer and a supporting membrane, a process for the production of the same and a process for using the same. The composite...
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7595001 |
Process for the treatment of saline water
A process and an apparatus are described for treating seven types of saline waters each having a concentration of total dissolved solids exceeding 1 g/L, wherein the concentration of total...
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7591309 |
Method for production of high pressure steam from produced water
An evaporation based method for generation of high pressure steam from produced water in the heavy oil production industry. De-oiled produced water is processed through a high pH/high pressure...
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7578939 |
Ceramic membrane water filtration
A process for combined ozone degradation and filtration using a multi-layered, nanocrystalline, sintered ceramic, metal oxide catalyst and ceramic membrane filter is described. The process reduces...
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7575687 |
Membranes and methods useful for caustic applications
The invention provides methods for purifying caustic feed streams using membranes that comprise polysulfonamide matrices.
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7572378 |
Recycled irrigation water treatment system including reverse osmosis
A process for irrigation involves monitoring reclaimed water, and treating it when necessary. The reclaimed water is tested with monitors to obtain results for water quality characteristics,...
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7569146 |
By-products from fermentation still bottoms
The disclosed invention is an improved method for treating ethanol distillation still bottoms by recovering, through solids separation and pressurized membrane filtration, potable water from still...
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7566402 |
Semi-permeable membrane for use in osmosis, and method and plant for providing elevated pressure by osmosis to create power
The present invention concerns a semi-permeable membrane for use in osmosis consisting of one thin layer of a non-porous material (the diffusion skin), and one or more layers of a porous material...
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7563375 |
Direct osmosis cleaning
A method of cleaning a fouled RO membrane in a module for RO separation, the membrane having feed side and permeate side, the foulant accumulating at the feed side. The cleaning method comprises:
...
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7560028 |
Complex admixtures of clathrate hydrates in a water desalination method
Disclosed is a method that achieves water desalination by utilizing and optimizing clathrate hydrate phenomena. Clathrate hydrates are crystalline compounds of gas and water that desalinate water...
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7550088 |
Method and device for desalinating water while overcoming decreases in pressure
The invention concerns a method of and an apparatus for continuously desalinating water by reverse osmosis, in particular desalinating sea water, wherein salt water is introduced under a first...
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7550084 |
Reverse osmosis water filtering system
A reverse osmosis liquid filtering assembly includes a reverse osmosis membrane for receiving intake liquid and creating permeate and concentrate liquid and a tank having a first chamber for...
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7537702 |
Water purification system and modes of operation
A water purification system comprising a thermal hydrolysis catalytic reactor, an adsorbent media bed and a reverse osmosis unit is provided. The water purification system may provide potable water...
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7520993 |
Water treatment process for oilfield produced water
The invention relates to a method and system for treating an aqueous liquid containing dissolved minerals and dissolved hydrocarbons. Method steps and apparatus for treating a waste water feed...
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7517493 |
Cooling water corrosion inhibition method
Methods for inhibiting corrosion in aqueous evaporative systems where soluble silica (SiO 2 ) is maintained at residuals between 10 Mg/L and saturation, but more preferably maintained at greater...
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7517456 |
Method for treating landfill leachate
Methods for treating landfill leachate taught herein comprise: (a) coagulatively settling leachate; (b) filtering the resultant supernatant liquid through multistage cartridges; (c) filtering the...
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7514010 |
Water filtering method and apparatus
A “polishing” water filter for the micro-filtration of fine particles comprises a porous ceramic substrate, having an average pore size in the range of about 0.2 to about 100 microns, which is...
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7514001 |
High recovery reverse osmosis process and apparatus
Processes and apparatus are disclosed for producing clear reverse osmosis retentates having silica concentrations which are substantially supersaturated in silica from feedwaters having silica...
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7501065 |
Methods for treating agricultural drainage water and the like
Zero discharge processing methods for the treatment of agricultural drainage water (ADW) are disclosed. The disclosed methods are capable of meeting the three critical issues in treating ADW: (1)...
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7501064 |
Integrated electro-pressure membrane deionization system
An integrated treatment system using electrodialysis and pressure-driven membranes for deionizing and decontaminating liquids to a near-pure quality for use or reuse in industrial or municipal...
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7501061 |
Production of water for injection using reverse osmosis
A method and system for providing Water for Injection using reverse osmosis. Water for Injection can be produced by reverse osmosis and the reverse osmosis membrane can be kept in a constantly...
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7497951 |
Composite semipermeable membrane, production process thereof, and element, fluid separation equipment and method for water treatment using the same
A composite semipermeable membrane, which comprises a separating functional layer comprising polyamide formed on a porous substrate film, wherein the separating functional layer comprising...
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7491334 |
Method of treating reverse osmosis membranes for boron rejection enhancement
The present invention provides a method of treating a reverse osmosis membrane for boron rejection enhancement, comprising contacting the reverse osmosis membrane with a chemical coating such as...
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7476323 |
Desalination on an offshore apparatus
Systems, methods, and apparatus for desalinating water are provided. A vessel includes a water intake system, a reverse osmosis system, a concentrate discharge system, a permeate transfer system, a...
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7473412 |
Process for the purification of aqueous peroxygen solutions, solutions obtainable thereby and their use
Process for the purification of aqueous peroxygen solutions comprising the treatment of an aqueous peroxygen solution with (a) at least one membrane purification step, (b) optionally at least one...
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7470366 |
Water purification system and method using reverse osmosis reject stream in an electrodeionization unit
Water purification systems include a reverse osmosis unit, a treatment unit, and an electrodeionization unit. A reverse osmosis reject stream from the reverse osmosis unit is treated in the...
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7465399 |
Filtered and unfiltered water ducting in sink fitting
In a multi-ducted sink fitting assembly, a waste water connection to an assembly comprises a reverse osmosis waste water upright duct associated with the fitting; a dish water upright duct...
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7465398 |
Method for filtering and recovering solids from potato process water
A method for filtering and recovering solids from potato process water that results in a product containing a portion of the solids from the potato process water is presented. In general, the...
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7459088 |
Water desalination process and apparatus
A process and system for purifying water is disclosed. For example, in one embodiment, the process may be used to remove a divalent salt, such as calcium sulfate, from a water source in order to...
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7455778 |
Intake for water desalination systems, and methods of use
Systems, methods, and apparatus for desalinating water are provided. A vessel includes a water intake system, a reverse osmosis system, a concentrate discharge system, a permeate transfer system, a...
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7455777 |
Method of adjusting levels of dissolved compounds in beverages
A method of producing multiple beverage products from a solution is presented. The method comprises providing the solution in a first container, with the solution having a concentration of a...
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7442309 |
Methods for reducing boron concentration in high salinity liquid
Methods of treating a high salinity liquid, such as seawater, containing boron are provided, including adjusting the pH of the liquid to about 8 to about 9.5, optionally adding a scale inhibitor to...
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7438817 |
System and method for treatment of acidic wastewater
A wastewater treatment system comprising separation unit operations inhibits or promotes the formation and precipitation of species by controlling the pH of wastewater to be treated entering into...
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7427358 |
Process for the recovery of tyrosol and hydroxytyrosol from oil mill wastewaters and catalytic oxidation method in order to convert tyrosol in hydroxytyrosol
A for preparing Tyrosol and/or Hydroxytyrosol from oil mill wastewaters. includes:
a) Microfiltration (MF), Ultrafiltration (UF). Nanofiltration (NF) and Reverse Osmosis (RO) of the OMW;...
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7410581 |
Branched flow filtration and system
A cross flow filtration apparatus for nanofiltration or reverse osmosis has pressure vessels with a plurality of filter cartridges in each vessel. A feed port is provided at an intermediate...
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7404899 |
Water treatment system
The process for irrigation of a man-made landscaped area, such as a golf course, playing field or agricultural area, involves monitoring a sample of reclaimed water, a sample of soil containing...
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7404898 |
Method and installation for the production of lime water from deionised water
A method of producing lime water comprising deionising dilution water by membrane filtration, distillation or an ion exchange resin and adding silicate ions to the deionised water. Thereafter, the...
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7402028 |
Pressurisation system
A pressurization device is described mobilizing gravity to mobilize seawater and to employ a weight ( 56 ) for gravitionally applying a force to and thereby pressurizing an enclosed pocket ( 58 )...
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7392848 |
Methods to produce sulfate-free saline water and gypsum
Methods are disclosed for the selective separation of sulfate from a saline stream such as seawater to produce nearly sulfate-free saline stream for oil-fields water injection operations. The...
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7387728 |
Animal powered mechanical device for water desalination
This invention provides animal powered mechanical device for water desalination. It has unique features of using animal power as prime mover to effect brackish water desalination. Animal energy in...
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7368058 |
Method of generating fresh water and fresh-water generator
The present invention is a water processing method comprising the steps of separating boron-containing water in a reverse osmosis membrane module to provide a permeated water and subjecting a part...
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7368056 |
Production of potable liquids
Water-desalination and/or water purification devices. Alternatively, devices that are implantable in animal bodies, possibly configured as self-inflating spinal disc prostheses. The devices include...
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7368055 |
Structural improvement for a water purifier
A structure improvement for a water purifier includes a streamlined main body combined by a pair of the symmetrically arranged half housings each of which has a large opening closed by a lid, a...
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7347849 |
Modular medical treatment replaceable component
A first flow path is defined within a first panel that forms a part of an extracorporeal fluid circuit. A second flow path is defined within a second panel that also forms a part of the...
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7341663 |
Spiral-wound liquid membrane module for separation of fluids and gases
The present invention is a filtering and chemical separation device that performs the operations of solvent extraction and pervaporation in a single piece of equipment, configured as a spiral-wound...
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7335301 |
Fold protection for spiral filtration modules utilizing UV cured adhesive and method of providing same
The present invention encompasses a leaf packet useful in forming a spiral filtration module, wherein the fold area of the leaf packet is reinforced with a UV cured adhesive. The invention further...
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7320756 |
Method and apparatus for treatment of feedwaters by membrane separation under acidic conditions
A process for treatment of water via membrane separation equipment. A feedwater is maintained or adjusted to a pH of 4.3 or lower, and fed to a membrane separation system. In this manner, species...
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