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JP2630732B2 |
PURPOSE: To provide a method for efficiently eliminating mercury or the like from hydrocarbons by transforming mercury contained in a charge raw compound into elemental mercury, fractionating effluents obtained from this transforming rea...
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JP2620811B2 |
Process for eliminating mercury and possibly arsenic from hydrocarbon fillers containing mercury and sulphur, characterized in that said filler is made to pass through in the presence of hydrogen and contact an arsenic-capturing body ('c...
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JP2613976B2 |
The present invention relates to a hydrocracking and isomerization process for preparing low pour point middle distillate hydrocarbons and lube oil from a hydrocarbonaceous feedstock boiling above about 600 DEG F. by contacting the feeds...
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JP2607284B2 |
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JP2602044B2 |
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JPH09100480A |
To obtain a high-performance base oil of light lubricating oil advantageously usable as a base oil of various kinds of lubricating oils and easily producible from heavy gas oil or vacuum gas oil at a relatively low cost. This base oil of...
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JP2588772B2 |
Process for thermal cracking of residual hydrocarbon oils by 1) feeding the oil (1)(2) and a synthesis gas (14) to a thermal cracking zone (3), the gas having a temperature sufficiently high to maintain the temperature in the cracking zo...
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JP2578514B2 |
The invention provides a method for removing mercury from a liquid hydrocarbon feed material by (a) removing those components having a higher molecular weight than the desired hydrocarbon from the feed material, (b) removing water from t...
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JPH0925488A |
To provide both methods for converting a residual hydrocarbon oil by which an untreated aluminosilicate-based catalyst so as to contain a group VIII metal, e.g. iron is used and by which a commercially available aluminosilicate-based cat...
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JP2569273B2 |
PURPOSE: To provide a process for obtaining a hydrocarbon-based compound having a reduced halogen content, by which carbon precipitation is prevented, and catalyst activities are maintained by hydrotreating an organic feedstock containin...
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JP2564556B2 |
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JP2562036B2 |
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JP2556311B2 |
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JPH08259974A |
PURPOSE: To obtain a lube base oil which has a viscosity index high enough, a low arom. content, and an excellent stability (e.g. to heat, light, oxidation. or shear). CONSTITUTION: This lube base oil is based on a hydrocarbon and has a ...
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JPH08231965A |
PURPOSE: To economically obtain in high yield stably over a long period low- impurity vacuum-distilled desulfurized light oil and deasphalted oil. CONSTITUTION: This hydrogenation treatment process is made up of the following consecutive...
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JPH08225788A |
PURPOSE: To provide a method for producing a petroleum product by which the optimum control can be performed to reduce the production cost in producing the petroleum product or its base. CONSTITUTION: The optimization control of each ste...
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JP2527550B2 |
A hydrotreatment method, for example, hydroviscoreduction or hydrodesulfurization in which the charge of hydrocarbons is reacted with hydrogen in contact with a catalyst finely dispersed in the liquid phase. To separate the product from ...
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JP2524508B2 |
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JP2507214B2 |
This invention relates to a two step process for sweetening a sour hydrocarbon fraction containing tertiary mercaptans and primary or secondary mercaptans. In one step the mercaptans in the sour hydrocarbon fraction are reacted with hydr...
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JPH08505171A |
Hydrocarbon lubricants having a high viscosity index (V.I.) and low pour point are produced by hydroisomerizing, over zeolite beta, a waxy lube feed such as a waxy vacuum gas oil whose aromatic components are removed by extraction, e.g. ...
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JPH08502533A |
A sulfur-containing catalytically cracked naphtha is upgraded to form a low-sulfur gasoline product by a process which retains the octane contribution from the olefinic front end of the naphtha. Initially, the mercaptan sulfur in the fro...
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JPH0813970B2 |
Process for the preparation of a hydrocarbonaceous distillate and a hydrocarbonaceous residue, which comprises mixing a residual fraction of a product obtained by catalytic cracking or hydrocracking a hydrocarbonaceous feedstock, with a ...
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JPH083072B2 |
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JPH08911B2 |
A process for high hydroconversion of heavy hydrocarbon liquid feedstocks such as petroleum residua containing at least about 50 V % material boiling above 975 DEG F. to produce lower boiling hydrocarbon liquid and gas products, wherein ...
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JPH083571A |
PURPOSE: To provide a method for isomerizing a wax by which a base oil for a lube oil, excellent in optical stability and having a high viscosity index is economically obtained in a high yield by using one kind of catalyst. CONSTITUTION:...
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JPH07116452B2 |
A process for producing a lubricant base oil with low pour point and high aromaticity from a feedstock oil which is either a distillate fraction boiling at 250 DEG C or above that is obtained from a paraffin base or mixed base crude or a...
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JPH07116453B2 |
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JPH07324042A |
PURPOSE: To obtain a hydrocarbon solvent such as high-purity cyclopentane by conventional operation of distillation. CONSTITUTION: This hydrocarbon solvent is obtained by the following four consecutive steps: (I) a selectively hydrogenat...
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JPH07316563A |
PURPOSE: To provide a steam stripping method and apparatus capable of improving the product yield as well as energy efficiency without causing dew condensation. CONSTITUTION: A heavy fraction is extracted from the column bottom of a stea...
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JPH07305077A |
PURPOSE: To simultaneously carry out the hydrodenitrogenation and hydrocracking in a collective hydrodesulfurization step for a crude oil or the crude oil from which a naphtha fraction is removed and increase the production of high-quali...
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JPH07275373A |
PURPOSE: To produce such touches as being massaged or tapped by human hands, by equipping with an output switching means of low frequency pulse from each of the low frequency pulse output means, an electrode selecting means to select the...
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JPH0788512B2 |
The severity of a visbreaking operation is increased by treating product to remove a heavier phase in an amount of less than 15 weight percent and provide a remaining product having a Shell Hot Filtration number of less than 0.25.
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JPH0786198B2 |
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JPH0772274B2 |
A process for high hydroconversion of petroleum residua containing at least about 25 V % material boiling above 975 DEG F. to produce lower boiling hydrocarbon liquid products and avoid undesirable precipitation of asphaltene compounds. ...
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JPH07197040A |
PURPOSE: To improve the quality of a petroleum distillate at a low cost and to obtain an oil with a low sulfur content and a good hue. CONSTITUTION: A petroleum distillate is hydrogenated in the presence of a hydrogenation catalyst to gi...
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JPH07166176A |
PURPOSE: To obtain a low-sulfur gas oil excellent in the hue by treating a specific petroleum distillate oil under specific conditions. CONSTITUTION: (A) 5-90vol.% of a petroleum distillate oil containing 0.1-2.0wt.% of sulfur and having...
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JPH0756033B2 |
This invention relates to an efficient process for manufacturing a stabilized and dewaxed hydrocracked lubricating oil stock from hydrocarbon feedstock boiling above 343°C using crystalline zeolite ZSM-23 in the dewaxing operation.
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JPH07138579A |
PURPOSE: To improve various characteristics meeting performance guidelines by bringing a wax isomerate oil and/or a hydrocarbon synthesis liquid product, used as a base oil or additive oil of a lubricating oil or special oil, into contac...
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JPH0782573A |
PURPOSE: To treat petroleum at a low cost with a simple apparatus by distilling a crude oil under the normal pressure to separate it into a residual oil and a distillate oil and hydrogenating the distillate oil collectively with one hydr...
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JPH0724736B2 |
A process for performing an operation involving at least one component of a fluid stream to provide product containing the at least one component or a chemical derivative thereof, the fluid stream containing at least one other component ...
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JPH072952B2 |
Process for the manufacture of lubricating base oils from nitrogen-containing distillates and/or deasphalted oils by subjecting them to a catalytic hydrotreatment which may be followed by a dewaxing treatment, wherein distillates and/or ...
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JPH072753A |
PURPOSE: To obtain a half-blocked diisocyanate composition not containing substantially unreacted organic diisocyanate compound, containing hard any di-blocked diisocyanate compound. CONSTITUTION: The method for producing half-blocked di...
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JPH06104628B2 |
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JPH0699696B2 |
This invention relates to a method of further treatment of a process stream obtained by hydrotreating a feedstream containing at least one C5 plus paraffinic hydrocarbon and at least one olefinic hydrocarbon having the same number of car...
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JPH0670226B2 |
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JPH0670225B2 |
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JPH0670224B2 |
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JPH0662961B2 |
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JPH0662960B2 |
A process for producing lubricant oils of low pour point and high viscosity index by partial dewaxing of a lubricant base stock by isomerization dewaxing followed by a selective dewaxing step. The isomerization dewaxing step is carried o...
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JPH06207184A |
PURPOSE: To efficiently obtain an aromatic oil for an agricultural insecticide, herbicide or the like by converting a naphthene or paraffin distillate flow to an aromatic- containing substance by controlling extraction conditions, and su...
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