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8877690 Treatment of gas well production wastewaters  
A method of treating a wastewater is provided and can be used, for example, to treat a gas well production wastewater to form a wastewater brine. The method can involve crystallizing sodium...
8815100 Method and a device for separating a multiphasic liquid  
The present invention relates to a cyclone type liquid/gas or liquid/liquid separator having separation properties that are stabilized, even when the flow rate and the proportions of the liquid...
8771477 Large-scale water purification and desalination  
Embodiments of the invention provide systems and methods for water purification and desalination. The systems have a preheater, a degasser, multiple evaporation chambers with demisters, heat...
8734653 Mercury remediation method and apparatus  
A mercury remediation method and apparatus for reducing mercury levels in water to a nanogram per liter level that uses four treatment steps: (1) chelation; (2) oxidation; (3) reduction; and (4)...
8585907 Method for removing gases from a container having a powdered concentrate for use in hemodialysis  
An apparatus and a method for filling a container containing a dry powdered salt concentrate for use in dialysis with purified fluid and removing the trapped air or gases generated during the...
8470275 Reduced-carbon footprint concrete compositions  
Reduced-carbon footprint concrete compositions, and methods for making and using the same, are provided. Aspects of the reduced-carbon footprint concrete compositions include CO2-sequestering...
8454835 Remediation system for transition metal ions and method for same  
In at least one embodiment, a method for remediating oxic water having transition metal ions comprises the steps of providing oxic water having transition metal ions. The water is introduced to a...
8444859 Method for reduction of oil, alkalinity and undesirable gases using a mechanical flotation device  
A mechanical vessel may effectively and simultaneously displace a first undesired gas from within water with a second desired gas, and remove at least one alkaline species and oily matter from the...
8308957 Process for separating mercaptans from caustic  
A separation process for separating two or more immiscible liquids using contactors utilizing high surface area vertical hanging fibers is disclosed. This separation process is especially useful...
8277648 Remediation system for transition metal ions and method for same  
In at least one embodiment, a remediation system for oxic water having transition metal ions includes a first chamber defining a first cavity having a first inlet and a first outlet. The first...
8252148 Containment extension and processing method  
A mobile waste processing system and method is disclosed for processing materials in a tank, typically an underground storage tank. A mobile fluid processing module is disposed adjacent to or over...
8192631 Fluid treatment device and method  
An apparatus and method for treating raw water. The apparatus includes a vessel having an inlet for the raw water, an outlet for the skimmed water, a rotor mechanism for creating a plurality of...
8092656 Method and apparatus for high efficiency evaporation operation  
A process for treatment of an aqueous stream to produce a low solute containing distillate stream and a high solute/solids containing blowdown stream utilizing a method to increase the efficiency...
8043509 Water purification system  
Devices and methods for water purification are provided. An improved demister (70) for removing liquid or other particles from steam is disclosed. The demister can have adjustable outlets. In...
8017019 Fluidized bed precipitator with optimized solids settling and solids handling features for use in recovering phosphorus from wastewater  
Improved fluidized bed precipitators (20, 46, 62, 74, 108, 112, 134, 168) especially useful for the treatment of waste waters containing soluble phosphorus are provided, having upright, primary...
7950770 Method and droplet-ejecting head for droplet-ejecting recording apparatus capable of achieving high recording image quality  
This patent specification describes a droplet-ejecting head including a nozzle substrate having a plurality of nozzles for ejecting droplets, and an actuator configured to be driven to generate...
7935261 Process for treating waste drilling mud  
A method is provided of recycling and cleaning up oil-based waste drilling mud and cuttings contaminated with oil-based waste drilling mud. A facility for performing the method is also provided....
7867399 Method for treating waste drilling mud  
A method is provided of recycling and decontaminating oil-based waste drilling mud and cuttings contaminated with oil-based waste drilling mud. A facility for performing the method is also...
7833499 Separation process  
A separation process for separating two or more immiscible liquids using fiber-film technology is disclosed. This separation process is especially useful in the separation of disulfide oil formed...
7828979 Method of converting animal wastes to energy and useful by-products  
A method for converting animal waste, in the form of waste slurry, to energy and useful byproducts. A screen mesh filters out large objects from waste slurry and the filtered slurry is chopped and...
7815804 Method for treating wastewater or produced water  
A method or process for treating wastewater containing high organics, silica, boron, hardness, and suspended and dissolved solids. The method includes degasifying the wastewater for the removal of...
7815880 Reduced-carbon footprint concrete compositions  
Reduced-carbon footprint concrete compositions, and methods for making and using the same, are provided. Aspects of the reduced-carbon footprint concrete compositions include CO2-sequestering...
7771684 CO2-sequestering formed building materials  
CO2-sequestering formed building materials are provided. The building materials of the invention include a composition comprising a carbonate/bicarbonate component. Additional aspects of the...
7744761 Desalination methods and systems that include carbonate compound precipitation  
Desalination methods that include carbonate compound precipitation are provided. In certain embodiments, feed water is subjected to carbonate compound precipitation conditions prior to...
7736518 Separating mixtures of oil and water  
A cavitation device is used to heat and facilitation the separation of mixtures and emulsions of oil and water. Waste heat from the power source for the cavitation device may be utilized to...
7736614 Process for removing aluminum and other metal chlorides from chlorosilanes  
A process for removing aluminum and other metal chlorides from liquid chlorosilanes with the steps of: introducing a source of seed into a source of impure liquid chlorosilanes, initiating the...
7681643 Treatment of brines for deep well injection  
A process for conditioning of wastewater treatment brines for deep well injection during recovery of heavy hydrocarbon oils in situ. High pressure steam is used to mobilize oil, which is recovered...
7622047 Fluidized bed wastewater treatment  
A fluidized bed reactor (14) for removing phosphorus and nitrogen from wastewater has a column comprising a number of sections. (15A, 15B, 15C, 15D) The diameter of the column changes stepwise...
7560031 Process for treating pond water  
A process for the treatment of phosphoric acid plant pond water facilitating the recovery of phosphorus values from the input pond water. In certain aspects the process recycles solids from a...
7534354 Combined degassing and flotation tank  
A combined degassing and flotation tank for separation of a water influent containing considerable amounts of oil and gas. A rotational flow is created in the tank which forces the lighter...
7491333 Industrial waste water treatment process  
A process for the treatment of industrial waste water. The process includes the steps of admixing partially-treated waste water containing precipitated impurities with a flocculating agent in a...
7481937 Methods and systems for treating wastewater using ozone activated flotation  
Various methods and systems are provided below for the treatment of wastewater. According to various embodiments, treatment of wastewater is accomplished using the oxidative power of ozone gas and...
7410589 Hog manure treatment method  
The invention relates to a method of treating manure such that odor from the manure is significantly reduced or eliminated and producing therefrom recyclable water, value-added biosolids and...
7378022 System and methods for biological selenium removal from water  
A biological system for removing selenium from waste water comprises a first immobilized cell bioreactor (ICB) and a selenide removal module. The first ICB comprises a chamber having a substrate...
7374694 Method for remineralizing raw water  
The invention relates to a method and installation for treating water for human consumption, for an industrial process, for agricultural purposes or for other purposes. The method used to...
7371328 Method for treating hog and animal waste  
An animal treatment method comprises flushing the animal waste from a barn to a holding tank where the waste is mixed with an alkaline solution to kill pathogens. After neutralization, the...
7361283 Extraction and treatment of heavy metals  
Contaminated waste streams or soil or sludge is subjected to a first treatment stage with an acid liquor at a pH below 2 and at a solids content from 5 to 30%; then the liquid and solid phases...
7335308 Method for treatment of liquids, in particular, for purification of contaminated water  
The invention relates to a method and an installation for treating liquids, especially for purifying contaminated water. Said method consists of the following steps: the raw water is pre-purified...
7320759 Sludge treatment method  
A sludge treatment method allowing an improvement in a phosphorus recovery rate and sludge volume reduction by efficiently eluting phosphorus in the sludge. The sludge treatment method includes: a...
7309440 Method for desalination of water and removal of carbon dioxide from exhaust gases  
This invention relates to a method for desalination of seawater (5, 30) and separation of CO2 from exhaust (77) from a gas turbine (7). LNG (4) is fed into a heat exchanger (6) in which it...
7273561 Method for determining the chemical dosage required to reduce sulfides in wastewater to acceptable levels  
An apparatus and method of determining chemical dosage required to reduce sulfides in wastewater includes providing a headspace apart from the wastewater. The temperature of the wastewater and the...
7264733 Method for treating heavy-metal-containing wastewater using sulfidizing agent  
A method and apparatus for treating heavy-metal-containing wastewater using a sulfidizing agent. Sulfidizing treatment is carried out by adding a sulfidizing agent to heavy-metal-containing...
7264729 Process for reducing contaminants in condensate resulting from the conversion of bauxite to alumina  
This invention relates to a process for reducing the contaminants in condensate resulting from the conversion of bauxite to alumina.
7255794 Hydrate-based reduction of fluid inventories and concentration of aqueous and other water-containing products  
Toxic waste waters polluted with high levels of chemical byproducts of various industrial processes (e.g., waste water held in industrial holding ponds) are treated using gas hydrate to extract...
7157007 Vertical gas induced flotation cell  
A system for separating oil and/or oily coated solids from an oily water mixture. The system includes an upright vessel having an inlet for introducing oily water in a horizontal pattern. The...
7135116 Process for recovery of nutrients from wastewater  
The present invention relates to a process for treating a wastewater comprising an ammonium ion species and a phosphorus ion species. The process comprises the steps of: (i) treating the effluent...
7063793 Apparatus and method for removing mercury and mercuric compounds from dental effluents  
The present invention is directed to processes for removing a contaminant from dental effluents and includes transporting a three-phase effluent through a suction line into a particle collection...
7037434 Integrated water treatment and flue gas desulfurization process  
A water stream containing hardness minerals is subjected to a water treatment process using an alkali agent to precipitate the hardness minerals and to produce a softened water stream is used to...
6989103 Method for separating fluids  
Methods of treatment of fluids produced by an oil or gas well following a stimulation operation, allowing separation from the fluids and re-injection of oil and gas hydrocarbons in a production...
6969467 Hydrate-based desalination with hydrate-elevating density-driven circulation  
In hydrate-based desalination or other water purification conducted using naturally buoyant or trapped-gas-assisted buoyancy hydrate in a hydrate fractionation column, a portion of fresh or...

Matches 1 - 50 out of 187 1 2 3 4 >