231 results about "Liquid Petroleum" patented technology

A method for marking a liquid petroleum hydrocarbon. The method comprises adding to the liquid petroleum hydrocarbon at least one substituted anthraquinone dry having formula (I) wherein X is O or S; Y is O, NR<7 >or S; R<1 >and R<2 >independently are hydrogen, alkyl, aryl, aralkyl, heteroalkyl, heterocyclic or alkanoyl; R<3 >and R<5 >independently are alkyl, aryl, aralkyl, heteroalkyl or heterocyclic; R<4 >and R<6 >independently are hydrogen or alkyl; R<7 >is hydrogen or alkyl; and wherein the substituted anthraquinone dye(s) has an absorption maximum in the range from 600 nm to 750 nm.

In a gasoline pump system, means for concurrent filling of more than one car, tank or container with gasoline or other liquid petroleum products, comprising a display for guiding car drivers to a gasoline pump system having an outlet available for fueling, and a display for enabling each driver to identify the outlet used for filling his / her car, and to distinguish it from outlets used for filling other cars. A method for concurrent filling of more than one car, tank or container with gasoline or other liquid petroleum products, comprising the steps of: A. Guiding car drivers to a gasoline pump system having an outlet available for fueling; and B. Enabling each driver to identify the outlet used for filling his / her car, and to distinguish it from outlets used for filling other cars.

The invention relates to a process method for low temperature carbonization on a fluidized bed. The process method uses the principle of a lift pipe fluid catalytic cracker, uses a lift pipe reactor of the lift pipe fluid catalytic cracker as a carbonization reactor, uses a catalyst regenerator of the lift pipe fluid catalytic cracker as a high-temperature water gas generator, and uses high-temperature water gas as a fluidizing medium and a heat carrier of a carbonization raw material. The carbonization method comprises the following steps that: a carbonizing raw material is conveyed to the lift pipe fluidized bed reactor for a carbonization reaction of the raw material; the reacted oil and gas are separated to produce a carbonized product; carbonized carbocoal enters the water gas regenerator; carbon in the carbonized carbocoal, oxygen and water vapour in air are subjected to oxidation reaction and water gas reaction; the water gas obtained in the reaction is used as the fluidizing medium and the heat carrier during the carbonization process; and solid clinkers produced after the carbonized carbocoal is subjected to the water gas reaction are discharged. Compared with the prior art, the method has the advantages of simple process, high production capacity, less equipment and so on, and can be used in oil shale, oil sand, coal and other substances to produce liquid petroleum products.

The invention discloses a separation method for producing light olefins from oxygenated chemicals. In the method, a product from a reactor for producing the light olefins from the oxygenated chemicals and / or a product generated from olefins catalytic cracking are mixed, and the mixture is treated by a series of pretreatment steps of heat recovery, compression, purification, cooling and the like and is separated into gas-phase hydrocarbon and liquid-phase hydrocarbon; the gas-phase hydrocarbon and the liquid-phase hydrocarbon respectively enter different column plates of a depropanizing column to be in (C3-)-(C4+) separation; after being subjected to further compressing and cooling, light components of C3 and below on the top of the depropanizing column enter the depropanizing column, and ethane is used as an absorbent on the top of the depropanizing column to enhance the recovery rate of the ethane; C2-C3 at the bottom of the depropanizing column enter a deethanizing column to separate C2 and C3; the C2 enters an ethylene rectifying column, ethylene is produced through side drawing, noncondensable gas on the top of the ethylene rectifying column returns to a compressor, after totally cooling, the ethane at the bottom of the column is recovered as an absorbent of a demethanizing column or partly as fuel gas; and C3 enters a propylene rectification tower, propylene is recovered on the tower top, and propane is recovered at the tower bottom, as an LPG (Liquid Petroleum Gas) byproduct. The invention has the advantages of high ethylene yield, low energy consumption, little investment and the like, and the byproduct can be effectively utilized.

The invention discloses an asphalt recycling agent for hot recycling of asphalt on an asphalt road surface. The recycling agent comprises the following components by weight: 19-70% of an aromatic oil, 20-60% of heavy oil, 5-30% of liquid petroleum resin and 0.2-1% of a stabilizer. The invention also provides a preparation process of the asphalt recycling agent and a method for preparing recycled asphalt by use of the asphalt recycling agent. The recycling agent disclosed by the invention is good in recycling effect, easy for raw materials purchase, stable in quality, low in equipment investment, simple in processing steps, short in processing time of finished products, good in storage stability, stable in physicochemical property, and convenient for on-site operation, and is suitable for on-site hot recycling construction as a special recycling agent.

A system, method and apparatus for improving the logistical inefficiencies associated with the delivery of liquid petroleum gas or fuel oil to remotely dispersed locations, including a gauge for detecting the level of fluid or liquid in a tank, and a transmission mechanism for transmitting the level detected by the gauge to a remote location for further evaluation and processing to facilitate delivery of the fuel.

A high-efficiency pour point depressant for thermal recovery process comprises (1) biphenyl, polycyclic aromatic hydrocarbons or polycyclic aromatic hydrocarbon derivatives free of chlorine and sulfur elements; (2) liquid petroleum products containing arene larger than 5%, petroleum resin in liquid state at normal temperature or natural hydrocarbon aggregates in particle state at normal temperature; (3) surfactant; (4) fusel oil; (5) alcohol ethers having a closed cup flash point larger than 20 DEG C; and (6) oil-soluble or water-soluble polymers respectively having a nonpolar section eutectic with paraffin molecule and a polar section for twisting crystal form of wax crystal on a main chain and / or a branch chain. The high-efficiency pour point depressant of the invention performs all functions of both water-base pour point depressant and oil-base pour point depressant, and can efficiently assist the prior various thermal recovery processes in exploring high pour-point oil and heavy oil reservoirs, with the advantages of greatly reduced exploitation cost, prolonged production cycle of the oil well, increased output of the oil well, increased ultimate recovery of the oil reservoir,as well as significant economic benefit.

High efficiency viscosity-reducing agent which is used on THE thermal oil extraction technology, which is formed by the following raw materials with percentage by weight, firstly phenyl benzene, fused ring aromatic hydrocarbon or fused ring aromatic hydrocarbon derivative which does not contain chlorine element and sulfur element, secondly liquid petroleum product whose aromatic hydrocarbons content is no more than 5%, petroleum resin which is liquid state under the constant temperature or hydrocarbons natural aggregation which is particle state under the constant temperature, thirdly water-soluble anionic surface active agent, water-soluble non-ionic surface active agent, oil solubility anionic surface active agent or oil solubility non-ionic surface active agent, fourthly fusel oil, fifthly alcohol ether, sixthly oil solubility or water-soluble polymer which respectively has nonpolar portion which has eutectic crystal with ceresin wax molecular and polar portion which can make wax crystal system twisty on main chain and or branch chain, seventhly hyperoxide, eighthly carbamide, ammonium carbonate, ammonium acid carbonate or ammonium nitrite and ninthly ketone. The high efficiency viscosity-reducing agent has strong suitability, strong viscosity-reducing ability, safety and reliability, can largely reduce extract cost and increase the yield of oil pump, and increases the final recovery efficiency of oil reservoir.

A method for communicating in liquid petroleum product includes providing a first communications device disposed in the liquid petroleum product, providing a second communications device remote from and separated from the first communications device by the liquid petroleum product, and transmitting radiofrequency (RF) communication signals embodying data between the first communications device and the second communications device through the liquid petroleum product to enable wireless communications between the first communications device and the second communications device.

Various embodiments include two-stroke stratified engines and dual passage carburetors for use with gaseous fuel, such as hydrogen, methane, liquid petroleum gas, pure propane, and butane. A stratified air-head engine and low pressure fuel injected engines with fuel only tube is included.

The invention relates to a removable hot-melt pressure-sensitive adhesive and belongs to the technical field of adhesives. The pressure-sensitive adhesive is prepared from raw materials in parts by mass as follows: 35-45 parts of matrix resin, namely, a styrene-isoprene-styrene triblock copolymer, 30-40 parts of a tackifier, namely, C5 petroleum resin, 8-13 parts of a softener, namely, dioctyl terephthalate, 3-8 parts of a peel strength modifier, namely, polyethylene wax, 7-15 parts of a viscosity modifier, namely, liquid petroleum resin, 0.6-1.4 parts of an antioxidant and 0.4 parts of an ultraviolet absorbent. An adhesive tape prepared from the pressure-sensitive adhesive can be peeled and pasted repeatedly, and the adhesive cannot be transferred after the pressure-sensitive adhesive is pasted with paper, PE films, PP films and the like. The pressure-sensitive adhesive meets the environmental protection requirement of European Union REACH and RoHS on the basis of detection of specialized agencies and can completely meet the requirement of production of sealing labels, labels and removable adhesive bags.

Disclosed is a solid catalyst used for removal of mercaptans of petroleum liquid ingredients. The catalyst uses gamma-Al2O3 as a carrier, first loads a metal nitrate on the carrier by immersion method and then bakes the metal nitrate to realize loading of alkali metal oxide on the carrier gamma-Al2O3 so as to produce the alkali catalyst carrier, and then uses the mixed solution of sulfonated cobalt phthalocyanine and ethanol water added with quaternary ammonium salt or organic base as impregnating solution to impregnate the carrier to obtain the target catalyst after drying. The catalyst is mainly suitable for removal of mercaptans of liquefied petroleum gas, gasoline, kerosene, naphtha, aviation fuel, liquid propylene and other liquefied petroleum ingredients. Experiments prove that the thiol conversion rate can stand at 100% in 20min and the life of the catalyst exceeds 300h.

A method for an engine, comprising: during a first condition comprising a high engine temperature, injecting a first quantity of liquid petroleum gas into a first engine cylinder at a first timing during an intake stroke; and injecting a second quantity of liquid petroleum gas into the first engine cylinder at a second timing during a compression stroke following the intake stroke. In this way, combustion knock and cylinder pre-ignition may be mitigated without retarding spark ignition and / or limiting engine load, thereby allowing for maximum engine performance.

This invention relates to an apparatus and process for injecting a petroleum feed. More particularly, a liquid petroleum feed is atomized with a nozzle assembly apparatus in which the apparatus has injection nozzles that produce a generally flat spray pattern of finely dispersed feed. The injection nozzles are each designed such that the overall effect of the different spray patterns from the individual nozzles provides a more uniform feed coverage across the catalyst stream.

A system and process are provided for recovering oil from an oil-bearing formation. An oil recovery formulation that is first contact miscible with a liquid petroleum composition that is comprised of at least 15 mol % dimethyl sulfide is introduced together with steam or hot water into a subterranean oil-bearing formation comprising heavy oil, extra heavy oil, or bitumen, and oil is produced from the formation.

The invention relates to a method for removing mercaptan in liquefied petroleum gas through catalysis. The method comprises the following steps: mixing liquefied petroleum gas with hydrogen, allowing an obtained mixture to enter a fixed bed reactor and contact with a catalyst in the fixed bed reactor for thiolation and allowing mercaptan in the liquefied petroleum gas to react with active unsaturated hydrocarbon in the liquefied petroleum gas under the action of the catalyst so as to produce a high-boiling point thioether compound, wherein a part of dialkene is selectively saturated and monoolefine is not saturated, so a liquefied petroleum gas mixture is obtained; and allowing the reacted liquefied petroleum gas mixture to enter a distillation column for distillation and separating a liquid petroleum gas fraction from the high-boiling point thioether compound so as to obtain a liquefied petroleum gas product without mercaptan. The method provided by the invention employs the catalytic reaction between raw materials to remove mercaptan without introduction of an auxiliary agent for participation in the reaction, has a high mercaptan removal rate and no discharge of alkaline residue and simplifies conventional process for removal of mercaptan in liquefied petroleum gas.

The invention discloses a flexible fiber asphalt mixture and a preparation method thereof. The flexible fiber asphalt mixture comprises the following raw materials in parts by weight: 0.6-3.5 parts of modifier, 4.5-11.5 parts of asphalt, 86-95 parts of mineral aggregate and 0.005-0.02 parts of fibers. The preparation method comprises the following steps: mixing the modifier and preheated aggregate under an agitating condition and evenly agitating; then adding liquid petroleum pitch and evenly agitating; then adding the fibers and evenly agitating; finally adding ore powder, and evenly agitating to obtain the flexible fiber asphalt mixture. The preparation method disclosed by the invention is simple, and the prepared flexible fiber asphalt mixture has good deform resistance, crack resistance, fatigue resistance and high temperature resistance and can be prefabricated into an asphalt pavement layer to be rolled and stored, and moreover, the rolled flexible fiber asphalt mixture can be paved and installed just like paving a carpet in field pavement, so as to quickly finish construction and quickly open traffic.

A composition comprising a liquid petroleum product and a colorless marker compound in an amount that is not detectable visually, and a method for marking a liquid petroleum product with a colorless marker compound.

The invention provides a hot-melt pressure-sensitive adhesive and a preparation method of the hot-melt pressure-sensitive adhesive. The hot-melt pressure-sensitive adhesive belongs to the technical field of waterproof rolls. The problem that the waterproof roll is unsuitable to be used in winter or tundra because the conventional pre-paving anti-adhesion construction only can be performed in a climatic environment of over 4 DEG C below zero can be solved. The hot-melt pressure-sensitive adhesive disclosed by the invention is prepared from raw materials comprising an elastomer, polyisobutene, a first C5 petroleum resin and a second C5 petroleum resin, wherein the first C5 petroleum resin refers to a solid alicyclic hydrocarbon type hydrogenated petroleum resin and has the softening point of 80-127 DEG C; and the second C5 petroleum resin refers to a liquid petroleum resin and has the softening point of less than or equal to 15 DEG C. According to the hot-melt pressure-sensitive adhesive disclosed by the invention, a high density polyethylene self-adhered film waterproof roll can be firmly overlapped under the condition of 10 DEG C below zero, and the hot-melt pressure-sensitive adhesive can be applied to sealing tapes, double sided tapes and the like.

The invention provides a waterproof coating and a preparation method and an application thereof, and an asphalt waterproof coiled material, belongs to the technical field of waterproof materials, and can be used for solving the problems of poor weather resistance and UV resistance of conventional waterproof coiled materials. The waterproof coating comprises the components in parts by weight: 50-70 parts of a polymer emulsion, 30-50 parts of a filler, 1-5 parts of liquid petroleum resin, 0.2-0.5 part of a coupling agent, 0.2-0.4 part of a dispersant, 0.1-0.2 part of a wetting agent, 0.5-1.5 parts of a film-forming auxiliary agent, 0.3-0.7 part of a thickening agent, 0.2-0.7 part of a defoaming agent, and 5-10 parts of water. The waterproof coating adopts the petroleum resin and the coupling agent to improve the compatibility and the oil resistance of asphalt, the filler combination can improve weather resistance and UV resistance of the coating and improve the ability to reflect sunlight. The waterproof coating not only can be in composite use with the asphalt waterproof coiled material, but also can be used as a single waterproof layer to be applied in leakage parts of roofing, exterior walls, kitchens and baths and the like.

This invention relates to an apparatus and process for atomizing a petroleum feed. More particularly, a liquid petroleum feed is atomized with an atomization apparatus in which the apparatus has an orifice that produces a generally flat spray pattern of finely dispersed feed prior to contacting catalyst in a fluid catalytic cracking zone. The orifice has a general aspect ratio greater than 1.0 and a ratio of perimeter length-to-cross-sectional area greater than 1.5 relative to a perimeter-to-cross-sectional area ratio of a circular orifice of equivalent area. The apparatus can be used to atomize feed injected into the cracking zone of a fluid catalytic cracker.