Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 151 - 200 out of 460

Document Document Title
WO/1998/000478A1
A hydrocarbon stream containing sulfur and sulfur compounds (18) is contacted with a water suspension of dolomitic lime and dibasic acid catalyst (13) in a reaction vessel (10) in order to transfer the sulfur and sulfur compounds from th...  
WO/1997/046638A1
An improved process for the desulfurization of petroleum feeds utilizing sodium metal comprising contacting said petroleum feeds with staged addition of sodium metal at a temperature of at least about 250 �C in the presence of excess o...  
WO/1997/023583A1
Acidic halides, especially chlorides, are removed from dry gas and liquid hydrocarbon streams by contact with an adsorbent of porous, inert particles impregnated with alkaline material. Preferably at least some of the internal pore struc...  
WO/1997/008271A1
The invention relates to a process for treating acidic crudes or fractions thereof to reduce or eliminate their corrosivity by addition of suitable amounts of Group IA or Group IIA oxides, hydroxides, hydroxides hydrates or naphthenate s...  
WO/1997/008270A1
The invention relates to processes for treating acidic crudes or fractions thereof to reduce or eliminate their acidity and corrosivity by addition of suitable amounts of Group IA or Group IIA oxides, hydroxides and hydrates. The process...  
WO/1997/008275A1
The invention relates to a process for treating naphthenic acid containing whole crudes or fraction thereof to reduce or eliminate their acidity by contacting the acidic whole crude or fractions thereof at a suitable temperature typicall...  
WO/1996/037279A1
The present invention provides a number of agents that are useful to inhibit aldol condensation in caustic scrubbers. Preferred agents include, but are not necessarily limited to benzoic hydrazide, hydroperoxides, hydrogen peroxide, salt...  
WO/1996/035500A1
The present invention provides a number of inhibiting agents that are useful to reduce aldol condensation in diethanolamine scrubbers. Suitable inhibiting agents include: hydrogen peroxide; hydroperoxides; nitroalkanes; salts of hypochlo...  
WO/1996/020133A1
The present invention provides for a method of decreasing the metals content of metal containing petroleum streams by forming a mixture of the petroleum fraction containing those metals and an essentially aqueous electrolysis medium, and...  
WO/1996/003198A1
Process and apparatus for desulfurizing the gaseous product of the vacuum distillation of the heavy fraction of crude oil. The initial gaseous mixture (8) to be desulfurized is an incondensible gas that contains hydrogen sulfide. A gas-l...  
WO/1995/028993A1
A method of decomposing a halogenated aromatic compound with an alkaline substance safely without fail, which comprises bringing the aromatic compound into contact with the alkaline substance in an aprotic polar solvent at a temperature ...  
WO/1994/014922A1
Described is a method of working up tar, tar products, distillation residues, coking residues, oil residues and similar organic compounds consisting of aromatic and other hydrocarbons or containing them, the products being worked up bein...  
WO/1993/025636A1
The present invention concerns a process for desulfurization of hydrocarbon products, in particular oil and other liquid fuels. According to the invention a hydrocarbon feedstock is mixed with an alkaline aqueous solution or suspension i...  
WO/1993/025635A1
A method of removing halogenated aromatic compounds contained in small amounts in a hydrocarbon oil comprising mainly nonaromatic hydrocarbon oils safety without fail. The method comprises bringing the hydrocarbon oil into contact with a...  
WO/1992/008770A1
Commercially valuable oil is recovered from refinery-produced, Resource Conservation and Recovery Act classified, hazardous waste oil sludges by a series of volatilizing and condensing steps (which may vary depending on the oil, water, a...  
WO/1987/007904A1
Method of treating a first stream having mercaptan or mercaptan-based compounds therein by contacting said first stream with a second stream, wherein said mercaptan or mercaptan-based compounds are either extracted, catalytically oxidize...  
WO/1985/004894A1
An alkaline solution containing mercaptides is regenerated in an improved process wherein the alkaline solution to be regenerated containing a suitable oxidation catalyst is contacted with an oxygen-containing solvent which is inmiscible...  
WO/1985/003516A1
Said process for the desulphuration of fuel oils comprises the addition to washing water of a catalyst solution comprised of: 1.5-15.0 g of calcium hydroxide, 60.0 g of polyethylene glycol having a molecular weight comprised between at l...  
WO/1985/001955A1
The level of halogenated aromatics is reduced in a hydrocarbon stream by treatment with an alkaline reactant in a sulfoxide solvent.  
WO/1985/000826A1
A process for eliminating by destruction polychlorinated bi-phenyls from hydrocarbonaceous oil contaminated therewith. The oil is admixed with liquid sodium in an atmosphere of argon gas and allowed by refluxing, mixing, agitation, and h...  
JP2016521303A
アルカリ金属反応炭化水素からの、アルカリ 金属硫化物および多硫化物などのアルカリ金 属塩の重量測定分離を促進する方法。開示し た方法は、炭化水素原料組成物からヘテ...  
JP5925002B2  
JP2016507595A
In a process of processing a gas-like ingredient obtained by in situ recovery of liquid hydrocarbon from a nature ore deposit of hydrocarbon, mercaptan and hydrogen sulfide of each other are separated using Lean oil, hydrogen sulfide is ...  
JP5872709B2  
JP2016501288A
The corrosion of steel material, such as steel or stainless steel, poses a problem in piping of an oil pipeline, an oil storage tank, and oil-refining devices, or a processing device, and can reduce this corrosion by using the oil materi...  
JP5841229B2  
JP5838211B2  
JP5829693B2  
JP5798191B2  
JP2015528740A
Existence of an uncoupling device connected to a shroud including a bunch of bottom textiles of perpendicular 吊 with large surface area in improved textiles * film type contact / separation device, A strengthening union zone is provide...  
JP5763785B2  
JP5740261B2  
JP2015100534A
To provide a PCB purification processing unit capable of purifying a PCB-polluted apparatus itself together with an extracted oil therefrom, and having a short purification processing time and low cost with excellent purification efficie...  
JP5720055B2  
JP5714109B2  
JP5697267B2  
JP2015501861A
The present invention is the way liquid * liquid extraction by soda solution extracts a sulfuric compound from a LPG* or gasoline * type hydrocarbon splinter group, Using a preliminary treatment device (2) for carrying out preliminary tr...  
JP2015501860A
A reaction machine of the present invention has two 室, an oil materials room and a materials room. An oil materials room and a materials room are separated by ion separator, and an ion separator makes an oil materials room penetrate an...  
JP2014527101A
How to decrease a total acid number of oil-refining materials is indicated. According to one embodiment, oil-refining materials containing naphthenic acid are contacted for an effective amount of solid catalysts under existence of a caus...  
JP2014522901A
The present invention relates to a process of removing sulfur, nitrogen, and metal from oil materials (102) (for example, heavy oil, bitumen, shale oil, etc.). A method of the present invention includes a process which makes oil material...  
JP5475664B2  
JP2014508846A
A desulfurization method of oil system oil including a process of diluting petroleum stock before desulphurization reaction using a suitable organic solvent is indicated. An organic solvent is chosen from Alekan, Al Ken, cyclic alkene, a...  
JP2014507528A
In a catalyst handling process, they are a chelation polyvalent metal catalyst and alkali metal hydroxide, And using the treated water solution containing the alkali metal salt of at least one alcohol, it oxidizes in a non-distributed mi...  
JP5444402B2  
JP5400865B2  
JP2013544304A
A method for mineralizing siloxane derivatives from a liquid organic phase by adding a base in the form of an alkaline hydroxide.  
JP5351934B2
To reduce the capital invested to an apparatus by combining a caustic-prewashing section, an extractor, a sedimentation separation tank and a sand filter constituting the apparatus, in the apparatus and a method for extracting sulfur com...  
JP2013538900A
It is an one-step method which desulfurizes the Sour Hong content fuel styles which oxidized, such as a diesel style, a sulfur atom of the Sour Hong molecule is removed as sulfite salt, and the one-step method for causing Sour Hong's mas...  
JP2013536280A
A separation method for separating two or more sorts of nonmiscible fluids is indicated using a contact machine using high surface area type perpendicular chinning-exercises textiles. This separation method is useful especially although ...  
JP2013530293A
How to mix an oil style with a stream, give it to supercritical temperature of water and pressure, or conditions on it, and upgrade an oil style. The method further includes cooling and a subsequent alkaline extraction process. チオー...  

Matches 151 - 200 out of 460