| Patent Number |
Title Of Patent |
Date Issued |
| RE31039 |
Catalysts for demetallization treatment of hydrocarbons supported on sepiolite |
September 21, 1982 |
| This invention relates to a catalyst for hydrotreatment of hydrocarbons comprising one or more of metals selected from the group consisting of transition metals and metals of group IIb of the periodic table supported on sepiolite. More particularly it relates to a catalyst effective in t |
| RE31038 |
Catalysts for demetallization treatment of hydrocarbons supported on sepiolite |
September 21, 1982 |
| This invention relates to a catalyst for hydrotreatment of hydrocarbons comprising one or more of metals selected from the group consisting of transition metals and metals of group IIb of the periodic table supported on sepiolite. More particularly it relates to a catalyst effective in t |
| RE31037 |
Catalysts for demetallization treatment of hydrocarbons supported on sepiolite |
September 21, 1982 |
| This invention relates to a catalyst for hydrotreatment of hydrocarbons comprising one or more of metals selected from the group consisting of transition metals and metals of group IIb of the periodic table supported on sepiolite. More particularly it relates to a catalyst effective in t |
| 4956326 |
Method for dehalogenation of a halide and catalyst used therefor |
September 11, 1990 |
| A catalyst for dehalogenation of a halide comprising a corrosion-resistant ceramic or graphite having a surface area of 5.0 m.sup.2 /g or less and, supported thereon, at least one of a platinum group metal and a silicide thereof, and a method of dehalogenation of a halide using this cata |
| 4909923 |
Method for hydrogenation of coal tar pitch |
March 20, 1990 |
| A method for the hydrogenation of coal tar pitch which comprises subjecting said coal tar pitch containing toluene insolubles to slight hydrogenation in the presence of a hydrogenation catalyst having carried on a refractory inorganic oxide carrier at least one member selected from the c |
| 4765960 |
Apparatus for installing pipe in multipipe type gas-liquid contact equipment |
August 23, 1988 |
| Apparatus for installing pipes in multipipe type gas-liquid contact equipment comprises a bush which can be mounted on the inner peripheral surface of a pipe installation bore formed in a deck for pipe installation within the multipipe type gas-liquid contact equipment, a cylindrical hea |
| 4728081 |
Incinerating and melting apparatus |
March 1, 1988 |
| Disclosed is an incinerating and melting apparatus for processing materials such as organic matters, inorganic matters and metals, which apparatus has a cylindrical or polygonal horizontal furnace body provided with a material charging port and a melt discharge port formed in the wall |
| 4723595 |
Heat exchanger using hydrogen storage alloy |
February 9, 1988 |
| A heat exchanger using two hydrogen storage alloys, including: a tubular housing member disposed in a horizontal position; a vertical partition plate extending axially within the housing member for partitioning the inside space of the housing member into two, first and second reaction |
| 4562059 |
Method of preparing alumina |
December 31, 1985 |
| An improved method of preparing alumina, including a first stage in which an alumina hydrogel is formed from seed aluminum hydroxide, and a second stage in which the alumina hydrogel is processed for conversion into alumina. The improvement is in the first stage, comprising the steps of: |
| 4555394 |
Process for the preparation of alumina |
November 26, 1985 |
| An improved process for the preparation of alumina, including forming an alumina hydrogel from aluminum hydroxide, and processing the alumina hydrogel into alumina. The improvement involves the alumina hydrogel forming step which is connected in the presence of sulfate ion and which |
| 4530754 |
Process for the conversion of heavy hydrocarbon oils into light hydrocarbon oils |
July 23, 1985 |
| Heavy hydrocarbon oils are converted into light hydrocarbon oils by two-stage process wherein, in the first stage, a heavy hydrocarbon oil is subjected to thermal cracking conditions and, in the second stage, the product of the thermal cracking is subjected to a hydrotreatment in the |
| 4530753 |
Method of converting heavy hydrocarbon oils into light hydrocarbon oils |
July 23, 1985 |
| Heavy hydrocarbon oils are converted into light hydrocarbon oils by two-stage process wherein, in the first stage, a heavy hydrocarbon oil is subjected to thermal cracking conditions and, in the second stage, the product of the thermal cracking is subjected to a hydrotreatment in the |
| 4525267 |
Process for hydrocracking hydrocarbons with hydrotreatment-regeneration of spent catalyst |
June 25, 1985 |
| A process for hydrocracking hydrocarbons for residuum conversion in the presence of a fluidized catalyst, which is characterized by extracting at least part of the fluidized catalyst from the reaction system as a spent catalyst, subjecting at least part of the spent catalyst to hydrotrea |
| 4487686 |
Process of thermally cracking heavy hydrocarbon oils |
December 11, 1984 |
| A heavy hydrocarbon feed stock is, after being heat-treated in a first cracking zone, is introduced into a second thermal cracking zone for obtaining a thermally cracked product and a pitch product. The second cracking zone has a plurality of cracking reactors which are connected in |
| 4486295 |
Processing heavy hydrocarbon oils |
December 4, 1984 |
| Heavy hydrocarbon oils are processed by hydrotreatment over a sepiolite supported metal catalyst, described fuller in U.S. Pat. No. 4,152,250, whereby metallic impurities are removed from the oil and its asphaltene content is decreased, and the hydrotreated oil is solvent deasphalted |
| 4477334 |
Thermal cracking of heavy hydrocarbon oils |
October 16, 1984 |
| A heavy hydrocarbon feed stock is, after being heat-treated in a first cracking zone, introduced into a second thermal cracking zone for obtaining a thermally cracked product and a pitch product. The second cracking zone has a plurality of cracking reactors which are connected in ser |
| 4444655 |
Hydrotreatment of heavy hydrocarbon oils containing asphaltenes, and catalysts therefor |
April 24, 1984 |
| A catalyst for hydrotreating a heavy hydrocarbon oil containing asphaltenes comprises a porous carrier composed of one or more inorganic oxides of at least one element selected from among those of Groups II, III and IV of the Periodic Table, and at least one catalytic metal component com |
| 4440631 |
Process for hydrocracking heavy hydrocarbon oils and catalyst therefor |
April 3, 1984 |
| A catalyst for hydrocracking heavy hydrocarbon oils includes a porous inorganic carrier composed mainly of alumina or titania, and two or more catalytic metal components composited with the carrier. The metals of the catalytic metal components are either (a) V and at least one element |
| 4424142 |
Catalyst for hydrotreatment of heavy hydrocarbon oils |
January 3, 1984 |
| A catalyst for the hydrotreatment of heavy hydrocarbon oils, which is prepared by supporting more than 2% by weight of VS.sub.x, wherein x represents about 1.1-1.59 in terms of an atomic ratio of S/V, on a substrate composed of a clay mineral which consists of magnesium silicate as a |
| 4422960 |
Catalysts for hydrotreatment of heavy hydrocarbon oils containing asphaltenes |
December 27, 1983 |
| A catalyst for hydrotreating a heavy hydrocarbon oil containing asphaltenes comprises a porous carrier composed of one or more inorganic oxides of at least one element selected from among those of Groups II, III and IV of the Periodic Table, and at least one catalytic metal component com |
| 4399026 |
Process for hydrotreating heavy hydrocarbon oils, catalysts therefor, and a method of preparing |
August 16, 1983 |
| A catalyst for hydrotreating heavy hydrocarbon oils comprises a carrier which is a calcined composite of a mixture of a clay mineral consisting mainly of magnesium silicate having a double-chain structure and at least one oxide-forming substance selected from the group consisting of the |
| 4368060 |
Gas sparging method |
January 11, 1983 |
| This invention is directed to a sparging method wherein efficient gas-liquid contact is obtained without causing sloshing by introducing and dispensing gas into the liquid only through openings in the side wall of a specially designed sparger which has a single row of openings in its sid |
| 4367986 |
Method for improving the strength of a water-saturated soft soil |
January 11, 1983 |
| A water-saturated soft soil is efficiently improved in its strength by incorporating therein an additive composed of ingredients A and B; the ingredient A comprises gypsum and the ingredient B comprises a mixture of 40-55% by weight of a Portland cement and 60-45% by weight of a wate |
| 4367165 |
Catalyst for hydrotreating heavy hydrocarbon oils and method of preparing same |
January 4, 1983 |
| A catalyst for hydrotreating a heavy hydrocarbon oil comprises a carrier which is a calcined composite of a mixture of a clay mineral consisting mainly of magnesium silicate having a double-chain structure and a pseudoboehmite which shows a powder X-ray diffraction spectrum obtained by |
| 4367164 |
Catalysts for hydrotreating heavy hydrocarbon oils and a method of preparing such catalysts |
January 4, 1983 |
| A catalyst for hydrotreating heavy hydrocarbon oils comprises a carrier which is a calcined composite of a mixture of a clay mineral consisting mainly of magnesium silicate having a double-chain structure and at least one oxide-forming substance selected from the group consisting of the |
| 4340466 |
Process for hydrotreating heavy oils containing metals |
July 20, 1982 |
| A process for catalytically hydrotreating a heavy oil containing soluble metals in two steps at a temperature of 320.degree. to 470.degree. C. and a hydrogen pressure of 30 to 350 kg/cm.sup.2, wherein the oil is substantially desulfurized in the first step in the presence of a first- |
| 4326991 |
Process for preparing a catalyst for hydrotreatment of heavy hydrocarbon oils |
April 27, 1982 |
| A catalyst for the hydrotreatment of heavy hydrocarbon oils, which is prepared by supporting more than 2% by weight of VS.sub.x, wherein x represents about 1.1-1.59 in terms of an atomic ratio of S/V, on a substrate composed of a clay mineral which consists of magnesium silicate as a |
| 4306910 |
Method for strengthening water-saturated soft soils |
December 22, 1981 |
| A water-saturated soft soil is efficiently improved in its strength by incorporating thereinto an additive composed of ingredients A, B and C; the ingredient A comprises gypsum, the ingredient B comprises a mixture of 40-55% by weight of a Portland cement and 60-45% by weight of a wa |
| 4299516 |
Method for improving the strength of a water-saturated soft soil |
November 10, 1981 |
| A water-saturated soft soil is efficiently improved in its strength by incorporating thereinto an additive composed of ingredients A and B; the ingredient A comprises gypsum and the ingredient B comprises a mixture of 40-55% by weight of a Portland cement and 60-45% by weight of a wa |
| 4277451 |
Wet process for the desulfurization of exhaust gas |
July 7, 1981 |
| A wet process for the desulfurization of exhaust gas comprising the following operation steps so as to eliminate and recover sulfur dioxide from exhaust gas containing it:(A) a step of absorbing sulfur dioxide by contacting exhaust gas with an absorbent mainly containing potassium salts |
| 4275162 |
Process for the production of sphingomyelinase |
June 23, 1981 |
| A process for the production of sphingomyelinase comprising cultivating a sphingomyelinase-producing microorganism, belonging to the genus Pseudomonas, in a culture medium and recovering sphingomyelinase from the culture medium. |
| 4248852 |
Process for the production of alumina suitable for use as a catalyst carrier |
February 3, 1981 |
| Improved .gamma.-alumina suitable for use as a catalyst carrier having high mechanical strength, a large specific surface area, and a substantially uniform pore size distribution in a relatively small portion of the pore size range below 500 A. Said alumina is produced by first establish |
| 4246073 |
Process of distillation of a multicomponent hydrocarbon mixture |
January 20, 1981 |
| A process for distilling multicomponent hydrocarbon mixtures in which the relative volatility between the dominant component in the lightest product and the dominant component in the heaviest component is between 1.10 and 7. The hydrocarbon mixture is fed to groups of distillation column |
| 4239515 |
Gas-liquid contact reaction apparatus |
December 16, 1980 |
| An improved compact apparatus for gas-liquid contact and separation by precipitation of solids therein, which essentially comprises a splash separating section, a solid-gas-liquid contact section and a solid depositing section formed in a single reaction vessel, in which gas is blown |
| 4233137 |
Method of heat recovering from high temperature thermally cracked hydrocarbons |
November 11, 1980 |
| A method for recovering sensible heat from a thermally decomposed high temperature hydrocarbon gas product in the form of high pressure steam of from 40 to 100 kg/cm.sup.2 has been discovered. This method comprises pre-cooling at first the thermally decomposed gas product of high tem |
| 4229417 |
Gas-liquid contacting apparatus |
October 21, 1980 |
| A gas-liquid contacting apparatus for removing sulfur dioxide from a flue gas is provided which comprises a vessel for receiving therein a liquid aqueous absorbent in a continuous phase; gas sparger means having an opening means at one end thereof, the gas sparger means extending ver |
| 4216118 |
Process for recovering vanadium accumulated on spent catalyst |
August 5, 1980 |
| This invention relates to a process for selectively recovering vanadium from spent catalysts which were used in hydrodesulufurization, hydrodemetallization, etc. of heavy oils until metals in said heavy oils accumulated thereon. More particularly, it relates to a process for recoveri |
| 4203954 |
Process for desulfurization of exhaust gases recovering gypsum as _by-product |
May 20, 1980 |
| This invention relates to a process for desulfurization of exhaust gases wherein the sulfur oxides are efficiently removed in the stabilized form from exhaust gases containing said sulfur oxides and at the same time gypsum of good quality is recovered. More particularly, this invention |
| 4196102 |
Catalysts for demetallization treatment of _hydrocarbons supported on sepiolite |
April 1, 1980 |
| This invention relates to a catalyst for hydrotreatment of hydrocarbons comprising one or more of metals selected from the group consisting of transition metals and metals of group IIb of the periodic table supported on sepiolite. More particularly it relates to a catalyst effective in t |
| 4196050 |
Decoking apparatus |
April 1, 1980 |
| A decoking device suitable for use on a reaction vessel for the thermal cracking of heavy petroleum oils, including an assembly mounted on top of the reaction vessel and having a cylinder and a piston slidably and rotatably received in the cylinder, the cylinder and piston defining a |
| 4191636 |
Process for hydrotreating heavy hydrocarbon oil |
March 4, 1980 |
| This invention relates to a process for continuously converting a heavy oil into an asphaltene-metal-free oil by hydrotreating said heavy oil to crack asphaltenes selectively and remove heavy metals such as vanadium and nickel from said heavy oil simultaneously (hereinafter briefly refer |
| 4166026 |
Two-step hydrodesulfurization of heavy hydrocarbon oil |
August 28, 1979 |
| A process for hydrodesulfurization of heavy hydrocarbon oil containing asphaltenes and heavy metals in large amounts is disclosed. The heavy oil is hydrotreated in a continuous 2-step process. In the first step the heavy oil is subjected to hydrodemetallization and selective cracking of |
| 4147753 |
Apparatus for the thermal cracking of heavy hydrocarbon |
April 3, 1979 |
| In a process for the thermal cracking of a heavy hydrocarbon in a cylindrical reactor, a portion of the content material in the reactor is taken out and injected back into the reactor according to a specific procedure to form a "wet wall" or liquid curtain on the inner peripheral wal |
| 4127473 |
Method for the thermal cracking of heavy oil |
November 28, 1978 |
| A method for the batch thermal cracking of heavy oils, such as steam blowing for production of binder pitch, employing a reactor having a rotary injection pipe which is rotatable within the reactor. Upon completion of the thermal cracking and withdrawal of the reaction product, the i |
| 4120780 |
Catalysts for hydrodemetallization of hydrocarbons containing metallic compounds as impurities a |
October 17, 1978 |
| A catalyst obtained by admixing red mud with alumina or/and an alumina-containing substance, optionally adjusting the water content of the admixture and/or adding an organic binder to the admixture, kneading and shaping the admixture into pellets having suitable size and shape, and c |
| 4099925 |
Apparatus for desulfurization of flue gas |
July 11, 1978 |
| A single-vessel apparatus for desulfurization of flue-gas containing gaseous sulfurous acid, in which the flue gas is contacted with an absorption liquid to thereby have the sulfurous acid content in the flue gas absorbed by said absorption liquid and, at the same time, oxidized by a |
| 4094380 |
Multi layer sound-proofing structure |
June 13, 1978 |
| A multi layered sound-proofing structure comprises: a first layer comprising a light aggregate and a binder and having a bulk density of from 0.1 to 2.0 g/cm.sup.3 and void fraction as continuous void of from 15 to 60%; a second layer of a material having a quality to insulate relati |
| 4085034 |
Method for the thermal cracking of heavy hydrocarbon |
April 18, 1978 |
| In a process for the thermal cracking of a heavy hydrocarbon in a cylindrical reactor, a portion of the content material in the reactor is taken out and injected back into the reactor according to a specific procedure to form a "wet wall" or liquid curtain on the inner peripheral wal |
| 4075125 |
Catalysts for hydrodemetallization of hydrocarbons containing metallic compounds as impurities |
February 21, 1978 |
| A catalyst obtained by admixing red mud with alumina or/and an alumina-containing substance, optionally adjusting the water content of the admixture and/or adding an organic binder to the admixture, kneading and shaping the admixture into pellets having suitable size and shape, and c |
| 4049541 |
Process for controlling the size of coke particles within a fluidized bed |
September 20, 1977 |
| A process for controlling the coke balance as well as the size of coke particles within a fluidized bed in the range adapted for continuous operation of a heavy residual oil cracking apparatus, wherein thermal cracking of heavy residual oil is performed under fluidization of coke par |
