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Get Price2012-10-1 · The solvent contained in the unstripped asphalt and deasphalted oil (DAO) is recovered in the fractionator overhead. – Solvent from the fractionator overhead drum may be used as lean oil for C 3 /C 4 recovery in the absorber, eliminating the need for lean oil recirculation from the naphtha stabilizer. –
Get PriceThe solvent contained in the asphalt and deasphalted oil is condensed in the fractionator overhead condensers, where it can be recovered and used as lean oil for a propane/butane recovery in the absorber, eliminating the need to recirculate lean oil from the naphtha stabilizer.
Get Price2020-8-1 · The results revealed that the recovery rate of petroleum hydrocarbons changed significantly under the influence of the heating rate, and nearly 80% of the total organic carbon in the oily sludge was converted into petroleum hydrocarbons. Subsequently, Ma et al. (2014) conducted a rapid pyrolysis experiment of oily sludge in a rotary kiln reactor. The results showed that, when the pyrolysis temperature was 550 °C and the mixing ratio was 1:2, the recovery …
Get PriceA cost-effective solution is provided for eliminating refinery process waste, including spent catalytic and non-catalytic adsorbent materials, as well as adsorbate process reject materials derived from desorption, while minimizing conventional waste handling demands. An asphalt composition includes asphalt and spent adsorbent material from a solvent deasphalting unit.
Get Price2019-5-25 · Solvent recovery in solvent deasphalting process for economical vacuum residue upgrading. Korean Journal of Chemical Engineering 2016, 33, 265-270. DOI: 10.1007/s11814-015-0146-3. Jinwen Chen, Antonio G. De Crisci, Tingyong Xing. Review on catalysis related research at CanmetENERGY.
Get Price2013-9-14 · Petroleum Refining Fourth Year Dr.Aysar T. Jarullah Chemical Treatment of Petroleum Products The aims of chemical treatment is to remove the impurities, such as sulfur, nitrogen, oxygen, ... The Merox process is usually more economical than using a ... higher recovery of deasphalted liquids, lower operating costs due to improved solvent
Get Price2017-12-20 · Technical and economical evaluations were carried out for upgrading of heavy crude oil by a combined scheme of deasphalting and hydrotreating. Deasphalted oil was obtained at 60 °C temperature, 25 kgf/cm2 pressure, 5:1 solvent/oil ratio, and 1 h residence time, using n-heptane as the solvent. The deasphalted oil product was upgraded by means of hydrotreating at low severity reaction ...
Get PriceASPHALT RECOVERY. The solvent asphalt mix from the RDC tower flows at a controlled rate to asphalt mix heater H-102. The hot two-phase asphalt mix from the heater is flashed in asphalt mix flash tower V-102. The solvent vapors are taken overhead.
Get Price2020-8-1 · Solvent extraction is a technology that completely mixes the oily sludge with the extraction solvent in a certain proportion, removes solid particles, water and other impurities in the mixture, distills the mixture, and separates and recovers the crude oil in the sludge from the extractant ().This method is based on the similar phase solution principle of solid-liquid two-phase extraction ...
Get PriceOSTI.GOV Technical Report: Solvent extraction of Southern US tar sands. Solvent extraction of Southern US tar sands. Full Record; Other Related Research
Get Price2018-10-15 · The sponge had good separation performance for the oil-water mixture. In dynamic oil recovery study, the sponge had a flux up to thousands L/(m 2 ·h) for kerosene and n-hexane. For the water-in-petroleum emulsion with 60% water content, the final water content could be brought down to 1.7–5.0% after 2 cycles of operation.
Get PriceA cost-effective solution is provided for eliminating refinery process waste, including spent catalytic and non-catalytic adsorbent materials, as well as adsorbate process reject materials derived from desorption, while minimizing conventional waste handling demands. An asphalt composition includes asphalt and spent adsorbent material from a solvent deasphalting unit.
Get Price1. An asphalt composition comprising asphalt and spent adsorbent material from a solvent deasphalting unit. 2. The asphalt composition of claim 1, wherein the asphalt comprises asphaltic material produced by a solvent deasphalting process in which solute material including asphaltenes are separated from a hydrocarbon oil feedstock containing asphaltenes with a paraffinic solvent and an ...
Get Price2017-5-21 · Gilsonite-Asphalt Mixture. Gilsonite-Asphalt mixture – Application of Gilsonite in Hot Mix Asphalt Definition Of Gilsonite. GILSONITE is a pure hydrocarbon, with a melting point between 160 °C and 220 °C. The mineral is natural bitumen and geologically petroleum based solid and therefore extremely compatible with petroleum bitumen.
Get PriceBitumenous Asphalt Distributor for sale. Asphalt distributor is a kind of truck-mounted road construction and maintenance equipment that is designed to accurately distributing/spraying different kinds of asphalt materials such as hot asphalt asphalt emulsion modified asphalt asphalt rubber etc. Asphalt distributor is mainly used for upper and lower seal layer premier layer asphalt surfacing ...
Get Price2021-7-5 · 以'Xi'an University of Science and Technology'为检索词2021年我校教师部分EI检索文章. （更新时间：2021年7月5日）. 1.Visual Analysis of Miner Safety Research Based on Knowledge Graph (Open Access) Hongxia, Li (School of Management, Xi'An University of Science and Technology, China); Meidan, Liu Source: Journal of Physics ...
Get Price2014-1-1 · A comprehensive investigation of REE in Florida phosphate was conducted by Kremer and Chokshi [62] of Mobil Research & Development Corporation in 1989. The total REE in Florida phosphate matrix analyzed 282 ppm (88 ppm neodymium, 68 ppm cerium, 57 ppm yttrium, and 49 ppm lanthanum, accounting for 90%).
Get Price3. Development and application of new technologies that can increase recovery factor of crude oil: In cooperation with Chinese partner only. 4. Development and application of new technologies for prospecting and exploitation of petroleum, such as geophysical prospecting, well-drilling, well-logging and downhole operation, etc.:
Get PriceAsphalt concrete f14 Asphalt Materials Science and Technology is a combination of two primary ingredients: (i) aggregate and (ii) asphalt cement. Typically, the aggregate constitutes 90–95% (w/w) of the total mixture and the asphalt cement (asphalt binder) constitutes 5–10% (w/w) of the total mixture to form the asphalt concrete.
Get PriceThe present invention relates to a method of improving a heavy hydrocarbon, such as bitumen, to a lighter more fluid product and, more specifically, to a final hydrocarbon product that is refinery-ready and meets pipeline transport criteria without the addition of diluent. A solid asphaltene by-product is created for easy handling and further processing.
Get Price2020-10-6 · Eucommia ulmoides is a tertiary relic species that can survive in various environments due to its mild growth conditions [].China produces more than 90% of the world’s E. ulmoides resources []. Eucommia ulmoides has high pharmacological value and is also rich in a white filamentous substance called E. ulmoides gum, which is found in its roots, stems, leaves, pericarp, and other parts (Fig. 1).
Get PriceChina Petroleum & Chemical Corporation Dalian Research Institute of Petroleum and Chemical Industry, Beijing Quanhua Environmental Technical Standard Research Heart, Beijing China Electric Union Environmental Protection Co.,PRIMACH This standard was approved by the Ministry of Ecology and Environment on January 13, 2020.
Get PriceForty-two counties in Kansas, Missouri, and Oklahoma contain 40 percent of the recognized heavy-oil deposits. Much of this is fairly shallow (less than 500 ft) and could be mined; however, because of costs and environmental considerations, research must be initiated for the economical recovery …
Get PriceC10G21/28 - Recovery of used solvent. ... As the closest analogue to the technical nature and essential characteristics to the proposed method of deasphalting of petroleum residues, that is, FR is the type, you can select the following way [1, P.55-57]. ... phlegmy and solvent, the area of sludge asphalt solution, to obtain and output from the ...
Get PriceThe process of treating a petroleum substance containing lubricating oil and bituminous material of high ductility which comprises distilling said substance to produce a distillate containing a substantial percentage of bituminous substances and as a residuum a hard asphalt of insufficient ductility, solvent extracting the dis- G5 tillate by ...
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Get Price2021-7-18 · Protectoseal vents are intended for use on atmospheric and low pressure liquid storage tanks. This section explains why tank venting equipment is needed and the method of sizing and specifying relief vents. The hazards associated with pressure and vacuum accumulation, especially in tanks storing flammable and combustible liquids, are identified.
Get Price2017-5-21 · Gilsonite-Asphalt Mixture. Gilsonite-Asphalt mixture – Application of Gilsonite in Hot Mix Asphalt Definition Of Gilsonite. GILSONITE is a pure hydrocarbon, with a melting point between 160 °C and 220 °C. The mineral is natural bitumen and geologically petroleum based solid and therefore extremely compatible with petroleum bitumen.
Get Price3. Development and application of new technologies that can increase recovery factor of crude oil: In cooperation with Chinese partner only. 4. Development and application of new technologies for prospecting and exploitation of petroleum, such as geophysical prospecting, well-drilling, well-logging and downhole operation, etc.:
Get Price2021-7-5 · DZ-2BE, DZ-3BE Vacuum Drying Oven (Programmable Vacuum Degree Controller) DZ-1AⅡ，2AⅡ，3AⅡ；DZ-1BCⅡ，2BCⅡ，3BCⅡ Vacuum Drying Oven Economical Type Standard Type. WHL-30B 45B 65B 85B 125B Constant-temperature drying oven. WGLL-30BE，45BE，65BE，125BE，230BE，625BE ELECTRO-THERMAL BLAST DRYING OVEN.
Get Price2020-10-6 · Eucommia ulmoides is a tertiary relic species that can survive in various environments due to its mild growth conditions [].China produces more than 90% of the world’s E. ulmoides resources []. Eucommia ulmoides has high pharmacological value and is also rich in a white filamentous substance called E. ulmoides gum, which is found in its roots, stems, leaves, pericarp, and other parts (Fig. 1).
Get Price2015-12-23 · Solvent recovery in solvent deasphalting process for economical vacuum residue upgrading 267 Korean J. Chem. Eng.(Vol. 33, No. 1) istics are listed in Table 1 [21]. Testing involved six different sol-vent cases, of which the compositions are listed in Table 2. Solvent cases A, B, and C involved pure propane, n-butane, and isobutane, respectively.
Get PriceBitumenous Asphalt Distributor for sale. Asphalt distributor is a kind of truck-mounted road construction and maintenance equipment that is designed to accurately distributing/spraying different kinds of asphalt materials such as hot asphalt asphalt emulsion modified asphalt asphalt rubber etc. Asphalt distributor is mainly used for upper and lower seal layer premier layer asphalt surfacing ...
Get Price3. Development and application of new technologies that can increase recovery factor of crude oil: In cooperation with Chinese partner only. 4. Development and application of new technologies for prospecting and exploitation of petroleum, such as geophysical prospecting, well-drilling, well-logging and downhole operation, etc.:
Get PriceThe Model 3430 is the simplest and most economical gauge offered by Troxler. This gauge offers many features, including: Improved operation and reliability with updated electronics. Fast recharge with NiMH batteries. Easier to read in all lighting situations with an enlarged backlit display screen - 8mm characters.
Get Price2016-3-14 · Recovery of PMA • Section 3 ... requires the asphalt industry to build economical pavements that perform for a long ... Toluene is recommended solvent Only a fraction of the PPA is recovered when extracted from the mix Common method of detection is based on phosphorus content
Get PriceMethod 2 was used, asphalt contents for the Nevada and New Jersey roofing wastes were 20 and 26 percent. Method 2 uses a cyclohexane solvent, which may have dissolved only a portion of the asphalt and therefore resulted in low asphalt contents. The black color of …
Get PriceAn asphalt composition includes asphalt and spent adsorbent material from a solvent deasphalting unit. The asphalt can comprise asphaltic material obtained from a solvent deasphalting unit, and spent adsorbent material in the asphalt composition was previously utilized in the solvent deasphalting unit. The asphalt composition can also include process reject materials.
Get PriceHeavy hydrocarbon materials containing asphalt are separated into three different fractions according to chemical composition, namely, a paraffin-waxy fraction, a resin fraction, and an asphaltene-solids fraction, by a process comprising two-stage solvent treatment at different solvent-to-feed ratios and different temperatures. In another embodiment, a fourth product comprising an asphalt ...
Get PricePETROLEUM REFINING Technology and Economics Fifth Edition. × Close Log In. Log In with Facebook Log In with Google. Sign Up with Apple. or. Email: Password: Remember me on this computer. or reset password. Enter the email address you signed up with and we'll email you a reset link. Need an account? Click here to sign up. Log In Sign Up. Log In ...
Get PriceChina Petroleum & Chemical Corporation Dalian Research Institute of Petroleum and Chemical Industry, Beijing Quanhua Environmental Technical Standard Research Heart, Beijing China Electric Union Environmental Protection Co.,PRIMACH This standard was approved by the Ministry of Ecology and Environment on January 13, 2020.
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