|| List of recent Sulfur-related patents
| Methods and apparatuses for producing low sulfur propane and butane|
Methods and apparatuses are provided for producing low sulfur propane and butane. The method includes reacting a mercaptan in a washed feed stream with a caustic stream to produce a mercaptan salt in a rich caustic stream and a hydrocarbon treated stream.
| Process for producing olefins from a coal feed|
A process for producing olefins from a coal feed includes providing a coal tar stream and fractionating the coal tar stream to provide a hydrocarbon stream that includes hydrocarbons having an initial boiling point of about 250° c. Or greater.
| Process for selectively dealkylating aromatic compounds|
A process for selectively dealkylating aromatic compounds includes providing a coal tar stream comprising aromatic compounds and hydrotreating the coal tar stream to reduce a concentration of one or more of organic sulfur, nitrogen, and oxygen in the coal tar stream, and to hydrogenate at least a portion of the aromatic compounds in the coal tar stream. The process further includes hydrocracking the hydrotreated coal tar stream to further hydrogenate the aromatic compounds and to crack at least one ring of multi-ring aromatic compounds to form single-ring aromatic compounds.
| Method for the production of aliphatic alcohols and/or their ethers, in particular, 1-octanol|
A method for the production of aliphatic alcohols and/or their ethers, comprising the step of reacting a substrate of the general formula (i): in which m is 0, 1, 2, 3, 4, 5, 6, 7, 8 or 9 and n is 1 or 2; r1 is hydrogen, a linear, branched or cyclic alkyl rest, a primary alkanol rest, an aryl rest or one of the following radicals: and r2 is hydrogen or —ch2oh; with hydrogen in the presence of a hydrogenation catalyst system, wherein the hydrogenation catalyst system comprises: a hydrogenation catalyst comprising re, fe, ru, os, co, rh, ir, ni, pd and/or pt; and an acidic additive selected from the group of organoperfluorocarboxylic acids, hydrochloric acid, formic acid, acetic acid, phosphoric acid, sulfuric acid, sulfonic acid and/or organic compounds comprising sulfonic acid groups, phosphoric acid groups and/or phosphonic acid groups; with the proviso that the acidic additive is a liquid and/or at least partially dissolved in the substrate (i) during the reaction of (i) with hydrogen in the case that r2 is ch2oh.. .
Rheinisch-westfälische Technische Hochschule (rwth) Aachen
| Low formaldehyde vinyl ester/ethylene emulsion copolymers|
A vinyl ester/ethylene copolymer is prepared by emulsion copolymerization of a monomer mixture comprising at least one vinyl ester, ethylene, a stabilizing system comprising polyvinyl alcohol and a free radical redox polymerization initiator system comprising i-butyl hydroperoxide as an oxidizing agent and at least one of a sulfuric acid-based compound and erythorbic acid or a salt thereof as a reducing agent. The monomer mixture comprises from 70 wt % to 95 wt % of said at least one vinyl ester and from 5 wt % to 30 wt % of ethylene based on the total weight of monomers in said mixture and the copolymer has a formaldehyde content of less than 5.0 ppmw as determined by iso-15173..
Celanese Emulsions Gmbh
| Method and system for recycling carbon dioxide from biomass gasification|
A method for recycling carbon dioxide from biomass gasification. The method includes: 1) employing carbon dioxide as a gasifying agent, allowing the carbon dioxide to gasify biomass to yield syngas; 2) cooling the syngas; 3) introduced cooled syngas to a cyclone separator and a gas scrubber for dust removal and purification; 4) allowing purified syngas in 3) to react with the vapor to modify a ratio of hydrogen to carbon monoxide of the syngas; 5) desulfurizing modified syngas to remove h2s and cos therein; 6) decarburizing desulfurized syngas to separate carbon dioxide therein; 7) introducing desulfurized and decarburized syngas to a synthesizing tower to yield oil products and exhaust gas including carbon dioxide; 8) decarburizing the exhaust gas including carbon dioxide and separating the carbon dioxide; and 9) introducing the carbon dioxide separated in 6) and 8) to 1) as the gasifying agent for gasification..
Wuhan Kaidi Engineering Technology Research Institute Co., Ltd.
| Agomelatine sulfuric acid complex, and preparation method and application thereof|
The present invention relates to an agomelatine sulfuric acid complex in formula (i) and the preparation method thereof (hx=h2so4, rso3h (r=ch3, ph, 4-ch3ph)). The solubility of the agomelatine sulfuric acid complex obtained by the method of the present invention is significantly improved compared with agomelatine, has good stability and higher purity, and is suitable for application in finished-product medicinal preparations.
Shanghai Righthand Pharmtech. Co., Ltd.
| Friction modifiers for slideway applications|
A slideway lubricating oil composition, additive concentrate, method of lubricating sliding parts. The lubricating oil includes a base oil; a metal-free friction modifier; and a metal-free, sulfur-free, phosphorus containing anti-wear/extreme pressure agent.
Afton Chemical Corporation
| Method of producing sugar liquid|
A method of producing a sugar liquid from cellulose-containing biomass includes (1) to (4): (1) subjecting a cellulose-containing biomass to a dilute sulfuric acid treatment and thereafter separating the treated cellulose-containing biomass into a dilute sulfuric acid-treated liquid and a cellulose-containing solid content; (2) adding a cellulase to the cellulose-containing solid content to hydrolyze the cellulose and thereafter obtaining a sugar liquid; (3) filtering the dilute sulfuric acid-treated liquid through a nanofiltration membrane at ph 2.5 or lower to thereby separate a sugar concentrated liquid as a retentate and at the same time recover a sulfuric acid aqueous solution as a permeate; and (4) reusing the whole amount or a part of the sulfuric acid aqueous solution obtained in (3) in the dilute sulfuric acid treatment in (1).. .
Toray Industries, Inc.
| Method for manufacturing carbon-sulfur composite, carbon-sulfur composite manufactured thereby, and electrochemical device including the same|
The present invention relates to a method for manufacturing a carbon-sulfur composite, a carbon-sulfur composite manufactured by the method, and an electrochemical device including the same. Since the carbon-sulfur composite manufactured by the carbon-sulfur composite manufacturing method of the present invention includes the hollow carbon ball having the inner hollow which is uniformly filled with sulfur, a sulfur content increases to increase a capacity characteristic increases.
Iucf-hyu (inustry-university Cooperation Foundatio Hanyang University
Compositions, layerings, electrodes and methods for making
There is a cell comprising an article comprising a hydrocarbon ionomer. The article may be any element in the cell, such as an interior wall, or a modification to an element, such as a film, a membrane, and a coating.
E I Du Pont De Nemours And Company
Coated medical devices
Processes for coating medical devices are provided herein. The processes include contacting a substrate with a sulfur-functional silane and an additional silane.
Energy recovery in manufacture of sulfuric acid
This invention relates to the recovery of energy in the manufacture of sulfuric acid, and more particularly to enhanced recovery of energy from the absorption of wet so3 in sulfuric acid. The invention is further directed to control of mist formation during so3 absorption, and of the sulfuric acid mist content of the gas stream leaving the so3 absorption step in a process wherein so3 absorption energy is recovered from absorption acid in useful form..
Integrated sorbent injection and flue gas desulfurization system
An integrated sorbent injection, heat recovery, and flue gas desulfurization system is disclosed. A dry sorbent is injected into the flue gas upstream of the air heater.
Babcock & Wilcox Power Generation Group, Inc.
Wet type flue-gas desulfuization adjusting oxidation reduction potential of absorbent therefor
A wet type flue-gas desulfurization apparatus includes a desulfurization apparatus main body; a gas introducing unit that is disposed on a side wall of the desulfurization apparatus main body and that introduces a flue gas; an absorbent accumulating unit that accumulates an absorbent which has absorbed the sulfur oxide present in the flue gas; a circulation line that circulates the absorbent from the absorbent circulating unit; a spray pipe that is disposed in the vicinity of the middle portion of the desulfurization apparatus main body and that sprays the absorbent, which is circulated in the circulation line, as a spray liquid from a nozzle; an orp meter that measures the oxidation reduction potential of the absorbent; and an oxidation resistant pipe group that, in the vicinity of the interface of the absorbent present in the absorbent accumulating unit, cushions a falling liquid falling from an absorber of the absorbent.. .
Mitsubishi Heavy Industries, Ltd.
Method for producing rubber molding
A method of producing a rubber molded article, involving utilizing a compound different from a compound that has been used as a crosslinking agent. The method of producing a rubber molded article includes a crosslinking step of crosslinking a rubber component by decomposing a compound to be used as a crosslinking agent for the rubber component, the compound including a structure represented by the following formula (i), in a rubber composition containing the rubber component and the compound, the rubber composition including a sulfur content of 2.0 wt % or less: α-β-γ .
Homogeneous mixtures for nanoparticle synthesis
Presented herein is a method for obtaining a dissolved selenium liquid mixture from solid selenium. The method involves mixing an amine solvent and a thiol solvent with the solid selenium to produce a liquid intermediate solution and removing a sulfur containing compound from the liquid intermediate solution to produce a dissolved selenium liquid mixture.
Purdue Research Foundation
Hydrotreating process and multifunction hydrotreater
A multifunction hydrotreater includes a particulate removal zone having a particulate trap to remove particulate contaminants from a coal tar stream and a demetallizing zone including a demetallizing catalyst to remove organically bound metals from the departiculated stream. The demetallizing zone is positioned after the particulate removal zone.
Process for treatment of pitch from coal tar
A process for treating a pitch fraction from coal tar is described. The pitch fraction is contacted with a solvent, an extraction agent, or an adsorbent to remove at least one contaminant, such as oxygenate compounds, nitrogen containing compounds, and sulfur containing compounds.
Hydrotreating and aromatic saturation process with integral intermediate hydrogen separation and purification
An intermediate hydrogen separation and purification system is integrated with a hydrotreating and an aromatic saturation process for the production of relatively lower molecular weight products from a relatively heavy feedstock including sulfur-containing and aromatic-containing hydrocarbon compounds. The integrated process allows the processing of heavy hydrocarbon feedstock having high aromatic and high sulfur contents in a single-stage configuration and the using of noble metal catalyst in the aromatic saturation zone.
Saudi Arabian Oil Company
Method for making middle distillates and a heavy vacuum gas oil fcc feedstock
The present invention is directed to a refining process for producing hydroprocessed distillates and a heavy vacuum gas oil (hvgo). The process produces middle distillates that have reduced nitrogen and sulfur content, while simultaneously producing a 900° f.+ (482° c.+) hvgo stream useful as a fluidized catalytic cracking (fcc) unit feedstock..
Chevron U.s.a. Inc.
Method and device for cadmium-free solar cells
A method for fabricating a thin film photovoltaic device is provided. The method includes providing a substrate comprising a surface region made of a thin-film photovoltaic absorber including copper, indium, gallium, selenium, and sulfur species.
Method for fast estimation of distillation residues and coke characteristics
Deducing from the measurements of these rock-eval parameters the values of the sulfur and carbon distributions (sphf, scoke, cphf, ccoke) in the distillation residues, and a sulfur content in relation to the carbon content in the coke.. .
Carbon nanotube suspensions and methods of making the same
Carbon nanotube suspensions or dispersions include carbon nanotubes and a functionalized non-native polycyclic aromatic group attached to a surface of the carbon nanotubes. The carbon nanotubes in the suspensions or dispersions are pretreated by exposing the carbon nanotubes to a solvent (such as n-cyclohexyl-2-pyrrolidone), an acid (such as concentrated sulfuric acid), and a non-native polycyclic aromatic group.
A herbicidal composition comprising (a) nicosulfuron or its salt, (b) dimethenamid-p or its salt and (c) topramezone or its salt. This herbicidal composition has a wide herbicidal spectrum and has high activity..
Cigs light-absorbing ink and preparing cigs light-absorbing layer
The present invention relates to a method for preparing a cis- or cigs-based light-absorbing layer which is included in a thin film solar cell. More particularly, the present invention relates to a method for preparing a cis- or cigs-based light-absorbing layer which ultimately improves the efficiency of a solar cell since the remaining carbon impurities in the formed light-absorbing layer are minimized and additional sulfurization treatment or selenium treatment is made optional, not requisite..
Copper foil, negative electrode current collector and negative electrode material for non-aqueous secondary battery
An object of the present invention is to provide a copper foil inexpensive and sufficient in tensile strength even after heat treatment. The copper foil includes zinc in a content range of 0.02% by mass to 2.7% by mass in the total mass of the entire copper foil, and if the regions in thicknesses direction from both surfaces of the copper foil where occupies 5% by mass in the total mass of the entire copper foil are referred to as the respective external layers and a region between one external layer and the other external layer is referred to as an internal layer, the internal layer includes copper as a main element and includes 100 ppm or more of one or mixture of small amount-elements selected from carbon, sulfur, chlorine and nitrogen, and includes zinc at 10% or more in the total mass of zinc included in the entire copper foil..
Silicone composition with protection against pollutants
Addition-curable encapsulants for electrical and electronic components contain amorphous glass particles doped with silver, and are efficient scavengers of sulfur and sulfur compounds.. .
Sulfur recovery unit
A sulfur recovery unit for processing an acid gas feed to recover elemental sulfur, the sulfur recovery unit comprising a reaction furnace configured to burn the acid gas feed, an oxygen source, and a fuel gas to create a furnace outlet stream, the acid gas feed comprises hydrogen sulfide which is converted to elemental sulfur, a waste heat boiler configured to capture heat from the furnace outlet stream to create a cooled stream, a condenser configured to condense the cooled stream to produce a waste gas stream and a condensed stream comprising elemental sulfur, a thermal oxidizer configured to burn the waste gas stream to create a sulfur dioxide rich stream, and a sulfur dioxide scrubbing unit configured to remove the amount of sulfur dioxide from the sulfur dioxide rich stream to create an effluent stream and a recycle stream recycled to the reaction furnace.. .