|
Match
|
Document |
Document Title |
|
|
8168037 |
Method and systems for enhancing oil recovery from ethanol production byproducts
Methods and related systems efficiently and effectively recover a significant amount of valuable, useable oil from byproducts formed during a dry milling process used for producing ethanol. The...
|
|
|
8075741 |
Water purification method, process and apparatus
In the water purification process, apparatus, and method, contaminated water vapor is exposed to liquid solvent, which causes a transfer of contaminants from the contaminated water vapor to the...
|
|
|
8066845 |
Compact wastewater concentrator using waste heat
A compact and portable liquid concentrator includes a gas inlet, a gas exit and a flow corridor connecting the gas inlet and the gas exit, wherein the flow corridor includes a narrowed portion that...
|
|
|
8066844 |
Compact wastewater concentrator using waste heat
A compact and portable liquid concentrator includes a gas inlet, a gas exit and a flow corridor connecting the gas inlet and the gas exit, wherein the flow corridor includes a narrowed portion that...
|
|
|
8016977 |
Dry pond water evaporation system and method of evaporating water
Dry pond water evaporation systems and methods are used to evaporate large quantities of water from industrial waste water sources, such as water produced by oil and gas wells. Dry pond systems...
|
|
|
7988831 |
Method for purifying an aqueous patassium hydroxide solution having rich silicon impurities
A method for purifying an aqueous potassium hydroxide solution having rich silicon impurities has been disclosed in the invention, which is particularly related to a method that utilizes a...
|
|
|
7857940 |
Liquid radioactive waste treatment system
The present invention relates to a liquid radioactive waste treatment system. The liquid radioactive waste treatment system includes a plurality of evaporation plates and each of the evaporation...
|
|
|
7803253 |
Method for dehydrating water-containing substance using liquefied matter
A dehydration method of a water-containing substance using a liquefied matter, including a step (1) of contacting a liquefied matter of a substance which is in a gas phase under a condition at...
|
|
|
7736521 |
Viscosity control and filtration of well fluids
Circulating completion, workover and drilling fluids used in hydrocarbon recovery are filtered after monitoring for viscosity, which frequently causes plugging of filters. A viscometer generates a...
|
|
|
7604710 |
Modular floating water evaporation system
A floating water evaporation system for use in disposing of excess water from oil and gas drilling operations is provided. One or more nozzle arrays float on the surface of a wastewater pond a...
|
|
|
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...
|
|
|
7575656 |
Wastewater evaporating treatment and disposal system
A system that treats wastewater by subjecting it to a heat source and destroying the microbes present therein and disposes of the wastewater to the atmosphere through evaporation. The components of...
|
|
|
7572352 |
Method and plant for desalinating salt-containing water
Salt-containing water is desalinated by first passing salt-containing water through a heat exchanger disposed in a basin containing solar-heated brine formed by several layers of water lying one...
|
|
|
7566383 |
Heat recovery from a biomass heat source
A method and system for recovering heat from a pretreated hot biomass stream is described. The method and system for heat recovery includes a flash cooler connected to a direct contact condenser. A...
|
|
|
7540936 |
Oil/water separation system
An evaporator for receiving waste fluid stream and producing separate streams of an evaporated fluid and a condensate liquid for use in industrial waste treatment has a curved pathway bounded by a...
|
|
|
7513972 |
Portable brine evaporator unit, process, and system
The present invention discloses a comprehensive, efficient, and cost effective portable evaporator unit, method, and system for the treatment of brine. The evaporator unit, method, and system...
|
|
|
7442348 |
Sulfur-bearing residue treatment system
A sulfur-bearing residue treatment system is provided for the recovery of valuable organic components and the reduction of capital costs and operating costs. The treatment system involves the use...
|
|
|
7396433 |
Process and arrangement for separating oil from oil containing materials
The process separates oil and water from a sludge mixture by directing the sludge mixture into a rapidly rotating friction dryer having a cylindrical chamber with a smooth inner surface and a...
|
|
|
7384501 |
Method for improved turpentine recovery from modern cooking plants
A method for the preparation of pulp by means of alkaline cooking, in which method spent liquor is transferred to pressurized tanks, and at least one liquor is expanded corresponding to a...
|
|
|
7214290 |
Treatment of spent caustic refinery effluents
In the methods for treatment of caustic effluents described in the specification, a spent caustic refinery effluent is supplied to a submerged combustion gas evaporator in which hot combustion gas...
|
|
|
7189328 |
Method for extraction of dissolved trace materials from solution
A method for separating dissolved materials, including organic and inorganic solids and volatile constituents, from a liquid or aqueous solvent is disclosed. The method first extracts water from...
|
|
|
7097736 |
Dairy wastewater treatment
A process and apparatus for recycling dairy wastewater wherein the wastewater is supplied to at least one first evaporation apparatus to produce a water distillate and sludge. The sludge is then...
|
|
|
7020980 |
Vacuum treatment of waste stream with anti-incrustation measures
A method of treating a waste stream comprises a vacuum treatment to promote disintegration of the waste material by “flash vapor” production, causing a swiftly vaporizing fraction inside the mat...
|
|
|
7022242 |
Reduction of wastewater in phosphate manufacturing
Use and reduction of wastewater or “pond water” created by the wet-process phosphoric acid manufacturing there is created a large amount of wastewater or “pond water” to substantially reduce ...
|
|
|
7008516 |
Method and apparatus for desalinating and concentrating sea water, desalinated deep water and concentrated deep water
According to a method of desalinating sea water, sea water sampled from deep sea is injected into a decompression chamber of a reduced pressure tank having a steam chamber, steam at an atmospheric...
|
|
|
6955743 |
Method for producing furfural, acetic acid and formic acid from spent pulp-cooking liquor
The invention relates to a process for recovering and producing chemicals in a pulp production process where organic chemicals, such as formic acid and acetic acid, are used as cooking chemicals....
|
|
|
6946055 |
Method for recovering an organic solvent from a waste stream containing supercritical CO2
An organic solvent is separated from a waste stream containing supercritical CO2, an organic solvent and etchant contaminants. The process includes separating the supercritical CO2 by subjecting...
|
|
|
6923888 |
Process for recovering organic acids from bleaching liquors
The invention relates to a process for treating bleaching liquors from pulping processes based on organic acids. The process is characterized in that inorganic acid, such as nitric acid, phosphoric...
|
|
|
6887345 |
Process and device for evaporating liquids, for example black liquor from cellulose cooking, which contain solid and dissolved substances
The present invention relates to a process and a device for evaporating liquids, for example black liquor from cellulose cooking, which contain solid and dissolved substances which are to be...
|
|
|
6821382 |
Method and arrangement for cleaning contaminated condensate including a combined stripper/condenser
A method and apparatus for cleaning condensate, produced during the production of cellulose pulp, including evaporation of spent liquor, utilizing a cleaning plant having several condensers,...
|
|
|
6797125 |
Method of treating condensates
The present invention relates to a method of treating condensates containing compounds, which are more volatile than water, in an evaporation plant, where liquid, such as effluent liquid from a...
|
|
|
6790313 |
Method of cleaning sulfide contaminated condensates
A method to remove sulfides and other volatile contaminants from liquor vapor condensate in a pulp manufacturing process, where the mentioned liquor vapor condensate is fed into a stripper, which...
|
|
|
6761799 |
Method and arrangement for combusting black liquor
The present invention relates to a method and an arrangement for use in connection with the combustion of black liquor. In the method the black liquor is concentrated in a multi-effect evaporation...
|
|
|
6712882 |
Process for the purification of industrial waste water from a propylene oxide production process
A process for treating waste water from an industrial process for producing propylene oxide, which process involves the steps of: (a) subjecting the waste water to a multi-effect evaporation...
|
|
|
6666973 |
Method for fixing fluorine and phosphorus in waste water containing fluorophosphoric acid-derived compound to remove them
A method is provided for fixing and eliminating fluorine and phosphorus in waste water wherein the waste water includes a fluorophosphate compound in which hydrochloric acid is added to the waste...
|
|
|
6649027 |
Water reclamation system
A water reclamation system for a closed environment includes a mixer that receives brine. A processor is downstream of the mixer, with the processor distilling substantially salt-free water from...
|
|
|
6641741 |
Removal and recovery of chloride from phosphonomethyliminodiacetic acid process brine
Chloride is selectively isolated as NaCl from N-phosphonomethyliminodiacetic acid process wastes by evaporative crystallization of the caustic neutralized brine.
|
|
|
6638398 |
Methods for the evaporation of an aqueous solution containing ammonia
A method including evaporating aqueous solutions containing ammonia, adding an acid to the evaporated vapor flow to form an ammonium salt, and condensing the vapor flow to form a liquid containing...
|
|
|
6582552 |
Method and device for evaporating liquid
A liquid evaporation method and apparatus wherein the contamination of the heat transfer surfaces is avoided by using a special circulating fluid. The liquid to be evaporated is heated in direct...
|
|
|
6551466 |
Multiple effect distillation process with reduced fouling
A method and apparatus for removing a contaminant from a fluid feed stream containing the contaminant. The method includes the steps of providing a feed stream and heating it in a first step to at...
|
|
|
6547970 |
Method for the treatment of wiping solution
A method for the treatment of a wiping solution, characterized by including: adding a flocculant to a used wiping solution for flocculation of ink contained in said used wiping solution; filtering...
|
|
|
6508916 |
Process for recovering processing liquids
A process for recovering processing liquids such as gas-treating liquids wherein a feed mixture containing the processing liquid, water, and optionally additional components that are more volatile...
|
|
|
6454907 |
Method and apparatus for concentrating slurried solids
Method and apparatus for concentrating slurries by removing liquid in a single effect unit maintained under vacuum to effect low temperature flashing of the liquid. The single effect unit is a...
|
|
|
6371058 |
Methods for recycling process wastewater streams
This invention provides cost-effective alternatives to reduce the cost associated with customary blowdown from steam generating equipment. By selectively recycling process blowdown streams using...
|
|
|
6355145 |
Distillation process with reduced fouling
A method for removing a contaminant from a fluid feed stream containing the contaminant. The method includes the steps of providing a feed stream and heating it in a first step to at least...
|
|
|
6352618 |
Modular solvent recovery device
A process is disclosed for manufacturing a concentrated residue from a photopolymer fluid which includes photopolymer and photopolymer solvent. The photopolymer fluid may be derived by chemically...
|
|
|
6261412 |
Regenerative heat recovery for high temperature condensate stripping plants
The EPA Cluster Rules for cellulose pulp mills are complied with by first collecting foul condensate including hazardous air pollutants (HAPs), such as methanol, at a temperature of between about...
|
|
|
6258206 |
Process for purifying condensate while evaporating waste liquors
A process for evaporating spent liquor or other waste liquids from cellulose cooking, The evaporation is performed in a multiplicity of evaporators which are coupled in series and in which the...
|
|
|
6251228 |
Photopolymer washout fluid solvent distillation apparatus and method
A waste photopolymer plate washout fluid solvent distillation apparatus includes a single enclosure enclosing a waste washout fluid container, a recovered solvent container, and a distillation unit...
|
|
|
6235151 |
Inhibiting scaling in alkaline waste liquor evaporators
Calcium carbonate scaling is inhibited in a multi-stage alkaline waste liquor evaporation plant in a chemical cellulose pulp mill having a bleaching plant. Calcium-containing effluent from the...
|