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8802021 Microwave integrated Soxhlet  
The present invention relates to a new method of extraction of solid compounds by microwaves and to the apparatus used in said method.
8721975 Plant for urea production  
Plant for urea production from ammonia and carbon dioxide having a so-called high-pressure section which comprises a synthesis reactor and a condensation unit (7, 107) positioned inside the...
8702910 Multi-stage sulfur removal system and process for a fuel system  
A system for producing an auxiliary fuel stream containing a low concentration of sulfur compounds from a primary fuel stream includes a first separation stage to separate a portion of a primary...
8617494 Condenser and method for cleaning flue gases  
An apparatus and method to clean flue gases. As shown in FIG. 1, a condenser 10 is provided having two packed beds (20/26) and two condensate loops. The condensate loops are configured such that...
8613895 Process equipment contaminant removal  
A method and system remove contaminants from a vapor. In one embodiment, the system includes a contaminant removal system having a vacuum box. A contaminated vapor from process equipment is...
8597470 Separation and extraction of bitumen from tar sands  
Systems and methods for extracting recoverable materials from source materials are provided. According to one embodiment, a plasma furnace includes an open-faced tray, a pair of arc rods, Faraday...
8551337 Treatment equipment of organic waste and treatment method  
A method for treating an organic waste, in which the organic waste is pressurized and continuously supplied to a high temperature and pressure treatment apparatus to produce a slurried material by...
8524175 Tandem reactor system having an injectively-mixed backmixing reaction chamber, tubular-reactor, and axially movable interface  
A reactor system for gas phase reacting of at least two fluid feed streams, where the reactor system has an injectively-mixed backmixing reaction chamber in fluid communication with a tubular-flow...
8414850 Process for the working-up of a vitamin E- and vitamin E-acetate-containing mixture or product stream  
A rectification column and system for the working-up of a vitamin E (VE)- and/or vitamin E acetate (VEA)-containing product stream includes purification of a vitamin E-containing product stream,...
8394345 Process for preparing at least one organic target compound by heterogeneously catalyzed gas phase partial oxidation  
A process for preparing an organic target compound by heterogeneously catalyzed gas phase partial oxidation of an organic precursor compound with molecular oxygen in two oxidation reactor lines...
8323589 Pyrolyzed rubber products and processes  
A pyrolysis process is provided. The process includes the steps of: depositing a quantity of waste into a porous container, the porous container adapted to allow a convective stream of...
8282788 Extraction apparatus and method of extracting essential oils, essence, and pigments from odorous raw material by microwave heating under sub-critical conditions  
The invention relates to extraction apparatus and method for obtaining essential oils and essence and pigments from odorous raw materials by microwave radiation heating under sub-critical...
8147797 Method and system for heating and cooling slurries  
A system for cooling and recuperative heating of a slurry in a metallurgical process which includes heat exchangers, pumps and autoclaves is described herein. The heat exchangers use a non-scaling...
8052945 Apparatus for oligomerization in multiple stages with single fractionation column  
In an oligomerization apparatus comprising at least two oligomerization reactors, at least portions of product streams from two reactors are separated in the same separator vessel; a liquid...
8043505 Treatment equipment of organic waste and treatment method  
In treatment equipment of organic waste provided with a high temperature and pressure treatment apparatus to produce a slurried material by conducting the high temperature and high pressure...
7767170 Cracking hydrocarbon feedstock containing resid utilizing partial condensation of vapor phase from vapor/liquid separation to mitigate fouling in a flash/separation vessel  
A process is provided for cracking hydrocarbon feedstock containing resid comprising: heating the feedstock, mixing the heated feedstock with a fluid and/or a primary dilution steam stream to form...
7767187 Method and apparatus for separating carbon product from used tire with microwave  
An apparatus for separating carbon products from used tires includes a decomposing chamber into which used tires are charged, a nitrogen gas supply device that supplies nitrogen gas into the...
7736602 Mercury monitoring system and reaction chamber for enhancing conversion of elemental mercury gas into oxidized mercury  
A reaction chamber enables a reaction between received elemental mercury gas and an oxidizing agent gas. The reaction chamber includes a porous (or permeable) medium through which to pass the...
7722834 Recombiner system  
The invention relates to a recombiner system (1) for catalytically recombining hydrogen that is produced in energy accumulators or energy converters. The aim of the invention is to provide a...
7718145 Polyisocyanate production system and gas treatment apparatus  
A polyisocyanate production system is provided that can stably produce chlorine from hydrogen chloride produced secondarily while reacting stably between carbonyl chloride and polyamine and can...
7700041 Indirect detection of radiation sources through direct detection of radiolysis products  
A system for indirectly detecting a radiation source by directly detecting radiolytic products. The radiation source emits radiation and the radiation produces the radiolytic products. A fluid is...
7311885 Batch reaction system  
A batch reaction system for simultaneously conducting reactions in at least two separate reactors (CSTR reactors), is provided wherein the at least two batch reactors, containing mixing means and...
7052655 Urea synthesis process and apparatus  
Urea is prepared by reacting ammonia and carbon dioxide in an apparatus comprising a vertical condensation and synthesis column and a stripper, to provide a urea synthesis solution comprising...
6796369 Method and apparatus to prevent metal dusting  
An apparatus and a method for inhibiting metal dusting corrosion of a tubesheet inside a shell-and-tube heat exchanger having at least one exit nozzle for transmitting at least one process fluid...
6709638 Alkylation process  
A system and/or process for removing water from an alkylation catalyst mixture of an alkylation process is disclosed. The process includes passing an alkylation reaction zone effluent to a settler...
6702992 Method for modernizing a urea production plant  
A method for the modernization of a plant for urea production of the type comprising a reactor (2) for urea synthesis, a stripping unit (3) with carbon dioxide and at least one vertical...
6692706 Process for preparing saturated carboxylic acids having from 1 to 4 carbon atoms  
A process for preparing saturated carboxylic acids having from 1 to 4 carbon atoms at a reaction temperature of from 100° C. to 400° C. and pressures of from 1.2×105 Pa to 51×105 Pa by gas phase...
6642396 Process for the production of furfural from lignosulphonate waste liquor  
A process for the production of furfural from lignosulphonate waste liquor which contains pentose is described, the process essentially comprising the maintenance of a boiling condition of the...
6605261 Method and apparatus for continuously transforming plutonium oxalate into plutonium oxide  
The present invention relates to a method of transforming plutonium oxalate into plutonium oxide by drying and then calcining. In said method, in a characteristic manner, the operations of drying...
6361750 Systems for purification of boron trichloride  
Processes are disclosed for increasing the condensed phase production of BCl3 comprising less than about 10 ppm phosgene, less than 10 ppm chlorine, and less than 10 ppm HCl. In one embodiment the...
6200540 Urea synthesis apparatus  
A vertical condenser is installed on or above a urea synthesis column to condense the mixed gas from the stripper by bringing it into contact with an absorption medium under cooling. A first down...
5733520 Method and device for the extraction of the condenser exhaust gases of a boiling water reactor  
In a boiling water reactor having two extraction systems, one in use and the other held as a backup, a method and apparatus for extracting condenser exhaust gases of the reactor include a...
5681537 Plant for urea production involving a carbon dioxide stripping step  
An improved process for urea production as well as a method of retrofitting a pre-existing urea plant based on the Stamicarbon process are disclosed. According to the invention, a high-yield...
5580236 Plant for urea production  
A process is described for the industrial synthesis of urea, making the ammonia (NH3) and the carbon dioxide (CO2) react, in at least one reaction space, at high pressures and temperatures and...
5573734 Plant for the production of urea in reaction spaces with different yields  
In a process of producing urea in which ammonia and carbon dioxide are reacted in a first reaction space (E-1, R-1) the unreacted carbamate present in the reaction mixture is subjected to a...
5573735 Method of retrofitting urea production plant  
A process is described for the industrial synthesis of urea, making the ammonia (NH3) and the carbon dioxide (CO2) react, in at least on reaction space, at high pressures and temperatures and...
5560822 Apparatus to remove inorganic scale from a supercritical water oxidation reactor  
A supercritical water oxidation reactor is alternately supplied with a feed stream and a flushing stream. The feed stream contains organic and inorganic materials. The organic materials are...
5482682 Apparatus for direct fluorination of a hydrocarbon by molecular fluorine gas  
The present invention relates to a method and apparatus for direct fluorination of hydrocarbons (having 1 to 4 carbons) by using molecular fluorine gas in a liquid medium. The number of reactors...
5301536 Apparatus for obtaining on-line gas samples for the measurement of crude oil content  
The present invention is drawn to a method for measuring crude oil contained in a gas flowing in a gas line which incorporates the steps of obtaining a sample of gas from the gas line, passing the...
5130102 Catalytic distillation reactor  
To achieve good liquid-vapor contact and at the same time better utilize the heat of reaction in a distillation column reactor a system is provided wherein a reaction tray and distillation tray...
5108714 Exhaust gas recombiner  
An exhaust gas recombiner for restoring hydrogen and oxygen gases in gases extracted from a condenser of a steam engine into water by reaction of the hydrogen and oxygen gases includes a vertical...
5098668 HF alkylation unit with acid evacuation system  
An HF alkylation unit with improved safety features including an acid storage and evacuation receiver which maintains a large proportion of the acid inventory of the unit at a remote, safe...
4973453 Apparatus for the production of heavier hydrocarbons from gaseous light hydrocarbons  
An apparatus for the production of heavier hydrocarbons from one or more gaseous light hydrocarbons is provided. The process of using the apparatus comprises reacting the gaseous light...
4965062 Hydrogen sulfide removal and sulfide recovery  
A process and apparatus for removing hydrogen sulfide from high pressure gas and recovering liquid sulfur, which includes reacting the H2 S with sulfite ions and an acetic acid-acid salt buffering...
4913637 Sulfur recovery system  
Sulfur species are removed from a Claus plant tail gas stream by contacting with zinc oxide in the presence of sufficient reducing equivalents for conversion of sulfur compounds to hydrogen...
4834949 Multistage system for converting olefins to heavier hydrocarbons  
A multistage reactor system and operating technique for converting ethene-rich olefinic feedstock to heavier hydrocarbons, particularly gasoline and distillate range products. By employing low...
4784765 Aquarium oxygenator  
An aquarium oxygenator has a container inverted into the apex of a ceramic cone-shaped ceramic structure which rests on the floor of an aquarium. Hydrogen peroxide solution (15%) in the container...
4468463 Plant for treating manures  
The manure, which has been previously finely ground, is diluted (3) so as to form a liquid mixture containing not more than 4% of solid material. This mixture is fed into a bioreactor (6) of which...
4310490 Apparatus for enriching the iron carbonyl content of a recycle gas stream  
A method and apparatus for enriching the iron carbonyl content of a recycle gas stream produced in an iron carbonyl decomposition or reaction process to enable reuse of the recycle gas stream in...
4290999 Apparatus for direct liquefaction  
In a process for directly liquefying coal, a paste consisting of finely divided coal, catalyst and heavy oil can be treated for thermal cracking and hydrocracking with a high liquid/space ratio...
Matches 1 - 50 out of 100 1 2 >