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7628827 |
Apparatus and method for producing solid fuel using low-grade coal as raw material
An apparatus for producing solid fuel includes a passage for introducing a supernatant in a mixing tank into a portion between the bottom of the mixing tank and a first slurry pump of a first...
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7615137 |
Process for recovering caprolactam from aqueous caprolactam product using in situ prepared alkali amino caproate
A continuous process is provided for recovering caprolactam from aqueous caprolactam product which includes (i) caprolactam, (ii) impurities, and (iii) water by (a) adding alkali hydroxide to the...
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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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7588666 |
Compact rectifying unit for separation of mixed fluids and rectifying process for separation of such mixed fluids
The invention relates to a compact rectifying unit for separation of mixed fluids using for heat transfer purpose a fluid heat carrier and its vapours on one of the sides of heat and mass...
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7531046 |
Process for de-oiling steelmaking sludges and wastewater streams
The present invention is directed to a process for treating an oily mixture consisting of hydrocarbons, solid particles, and water. The steps of the process include placing the oily mixture into a...
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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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7498175 |
Method and apparatus for determining temperature of and controlling the evaporation of liquid samples
A method is described for evaporating liquid samples contained in sample holders mounted within a chamber and rotated by the rotor during an evaporation process in which the pressure in the chamber...
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7465376 |
Method and device for treating liquids
The invention provides for the removal of impurities from treatment fluid including a base liquid and a variety of impurities contained in the base liquid by conveying the treatment fluid to at...
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7442277 |
Process for the removal of volatile compounds from mixtures of substances using a micro-evaporator
A process for the removal of at least one volatile compound from a reactive or unreactive mixture of substances with the aid of at least one micro-evaporator, the micro-evaporator displaying...
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7406779 |
Variable die for use in drying synthetic elastomers
Apparatus and methodologies are provided for flash drying liquid materials using a variable die. A die and a die body are provided with an adjustably configured pressure regulating variable...
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7390380 |
Processing of shipboard wastewater
Incoming wastewater is preheated in a heat exchanger before delivery to a flash chamber through an orifice for flashing into water vapor rising into an upper section of the flash chamber which also...
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7332058 |
Heat exchanger and process for devolatilizing polymers using same
Disclosed is a process for devolatilizing a polymer including passing the polymer through a devolatizer including a plate heat exchanger wherein the plates of the plate heat exchanger are heated by...
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7332057 |
Method of vaporizing liquids by microwave heating
This invention is directed to a method for vaporizing a liquid by slowly evaporating the liquid from a liquid phase to a vapor phase below the boiling point of the liquid; and applying an effective...
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7332085 |
Method for the purification of an α-hydroxy acid on an industrial scale
The present invention relates to a method for the purification of an α-hydroxy acid on an industrial scale, in which the method involves: (a) subjecting an aqueous stream containing mainly...
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7316781 |
Pseudo-distillation method for purifying a dry cleaning solvent
Pseudo-distillation, steady-state method for purifying dry cleaning solvents containing laundry soils and other contaminants.
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7311799 |
Hydrofluoric acid wastewater treatment method and device
The invention provides a hydrofluoric acid wastewater treatment method that achieves efficient recovery of hydrofluoric acid from hydrofluoric acid wastewater and also achieves sufficient reduction...
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7291660 |
Method of producing high concentration polymer solution
TAC and additives are mixed in a mixture solvent of dichloromethane, methanol and n-butanol to obtain a dispersion solution. The dispersion solution is heated to become a low concentration dope...
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7291250 |
Vacuum distillation system and use thereof for concentrating organic-aqueous solvent mixtures
The present invention relates to a vacuum distillation plant and a process for concentrating organic aqueous solutions, especially spissum extracts, using said plant. The vacuum distillation plant...
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7276139 |
Method for concentrating solution
An low concentration dope is fed through a nozzle into a concentrating apparatus, and flash evaporation of the low concentration dope is performed at an end of the nozzle. The low concentration...
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7150320 |
Water treatment method for heavy oil production
A process for treating produced water to generate high pressure steam. Produced water from heavy oil recovery operations is treated by first removing oil and grease. If necessary, the pH is then...
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7150807 |
Rotary evaporation with variable dosage metering
Method and system for evaporating at least one substance. During at least one dosing phase (TG) a predefined or predefinable quantity of a product (M) which contains at least one substance to be...
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7144473 |
Evaporator for respirators and evaporation method
The present invention relates to an evaporator for respirators, including a storage tank for a liquid, a gas intake flange and a gas outlet flange as well as an apparatus for heating the liquid,...
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7122148 |
Cooling water scale and corrosion inhibition
A methods of the present invention for inhibiting silica scale formation and corrosion in aqueous systems where soluble silica residuals (SiO 2 ) are maintained in excess of 200 mg/L, and source...
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6998092 |
Cooling water scale and corrosion inhibition
A methods for inhibiting silica scale formation and corrosion in aqueous systems where soluble silica (SiO 2 ) can be maintained at residuals below 200 mg/L, but more preferably maintained at...
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6984289 |
Process of generating o-xylene-air mixtures for the production of phthalic anhydride
Process for generating a homogeneous gas mixture of o-xylene and air for the production of phthalic anhydride wherein o-xylene is completely evaporated in the absence of oxygen, superheated and...
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H002134 |
Apparatus and method for forming polymer crumb
The present invention provides a contractor apparatus and method for removing solvent from a polymer cement. The resulting polymer is substantially free of solvent and exhibits improved oil...
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6969446 |
Method for producing concentrated nitric acid and installation for carrying out a method of this type
Process for producing a nitric acid of a concentration from 75 to 99.9% from a more diluted nitric acid, wherein a nitric acid of a concentration of about 45 to 70% is rectified in contact with a...
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6946113 |
Method for processing fluid flows in a micro component reformer system
A method for processing separate fluid flows in a micro component system for the production of hydrogen gas used in fuel cells in which a first fluid flow is directed to micro channels formed on...
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6881359 |
Processes for the preparation of low dust, limited particle size distribution, surfactant granules
Processes for preparing surfactant granules, wherein the processes comprise: (a) passing a water-containing surfactant preparation through a casting plate, wherein the casting plate vibrates, such...
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6869501 |
Continuous process for controlled concentration of colloidal solutions
A process for evaporating a portion of a colloidal solution, said process including: a) passing a colloidal solution, said colloidal solution including particles in a liquid medium, wherein at...
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6866750 |
Device for desalination of water and methods of use
The present invention provides a device and method for desalinating saltwater which utilizes a heatable vessel wherein is placed a sufficient quantity of a salt which will absorb water of...
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6780281 |
Strand evaporator
A strand devolatilizer that includes a degassing container, a product inlet, a product distributor, a product outlet and a vapor outlet is disclosed. The product distributor is in the form of a...
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6761797 |
Apparatus for carrying out mass transfer processes
Apparatus for carrying out mass transfer processes with high-viscosity liquids comprising a vertically arranged vessel ( 1 ) having a feeder ( 4 ) for the liquid to be treated, an outlet ( 7 ) for...
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6682631 |
Evaporator and evaporation process
A centrifugal evaporator for evaporating a mixture of liquids having different volabilities and specific gravities, the mixture being contained in a test tube 14 pivotally mounted on a rotatable...
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6666956 |
Method for distilling polymerizable compound or liquid containing polymerizable compound
In distillation of a polymerizable compound such as (meth)acrylic acid or a liquid containing such a polymerizable compound with use of a distillation column equipped with a reboiler, (a) a...
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6627040 |
Device and method for removing volatile components from polymer solutions
A device and process for the removal of volatile constituents from polymers is disclosed. The device entails a container having an inlet for a polymer solution, an outlet for the volatile...
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6547933 |
Process for the purification of aromatic polyamines
A process for the purification of a mixture of aromatic polyamines obtained by hydrogenation of the corresponding aromatic polynitro compounds, said mixture including the various isomers of the...
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6485913 |
Systems and methods for performing reactions in an unsealed environment
Open systems for performing submicroliter reactions are provided. The systems can include a support for performing the reaction; a liquid dispensing system for dispensing a submicroliter amount of...
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6485607 |
Methods for removing volatile components from polymer solutions
A method for removing volatile components from polymer solutions is disclosed. The method, yielding products having low content of residual volatile components and causing no thermal damage to the...
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6471823 |
Use of pressure and temperature measurements to infer process variables and to monitor equipment conditions and infer process efficiency in a multi-effect evaporator system
The invention disclosed herein provides methods for monitoring performance and efficiency for multi-effect evaporator systems. The invention also provides methods for monitoring the nonvolatile...
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6468389 |
Undulating membrane surface for evaporative processes
An evaporative process employing an undulating flexible membrane ( 4 ) as an evaporative surface onto which a vaporizing gas ( 2 ) such as, but not limited to, air, contacts a liquid solution ( 1,...
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6420516 |
Finishing design to increase the polymer content in an olefin solution polymerization process
The polymer recovery capacity of solution polymerization units is increased by flashing a polymer solution exiting olefin polymerization reactors to produce a concentrated polymer solution having a...
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6413361 |
Heavy oil emulsified fuel evaporator system and operation method thereof
A heavy oil emulsified fuel evaporator system is provided in which a heavy oil emulsified fuel, after being preheated at a preheater, flows into an evaporator to be heated and then to a separator...
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6402897 |
Apparatus for distilling, heating and storing liquid
A combination liquid distillation unit and heater, where the distilled liquid is heated to an elevated temperature to effect distillation, and then stored and maintained at an elevated temperature...
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6391361 |
Production of protein-containing powdery product
A method is provided for producing a powdery product from a protein-containing liquid having a dry solid content, providing (1) a first feeding stream of protein-containing liquid, (2) a second...
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6391162 |
Desalination apparatus and method of operating the same
A desalination apparatus and method utilizing solar energy provided with a solar heat collector for heating a heating medium with solar energy, a heat exchanger cooperating with an evaporation can...
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6387223 |
Alkylene carbonate process
This invention concerns a process to provide high purity akylene carbonate though use of multiple distillations wherein the unused fractions are recycled to the reactor.
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6375806 |
Desiccant reconcentration with control of pollutant gases and vapors
Unlike standard atmospheric glycol reconcentration units with reboilers, which release into the atmosphere column overheads containing water vapor, VOCs (volatile organic compounds), H 2 S...
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6375803 |
Mechanical vapor recompression separation process
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 ( 10 ) and heating it in a first step...
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6369192 |
Methods for removing contaminants from polymers
The present invention relates to a method for treating plastic polymers to reduce or remove organic contaminants. More particularly, the present invention relates to a method of treating, by...
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