Relevant bibliographies by topics / Reid vapour pressure

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Academic literature on the topic 'Reid vapour pressure'

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Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Reid vapour pressure"

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Jones, J. C. "Reid Vapour Pressure as a Route to Calculating the Flash Points of Petroleum Fractions." Journal of Fire Sciences 16, no. 3 (May 1998): 222–29. http://dx.doi.org/10.1177/073490419801600306.

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Al-Thamir, W. K. "A new method to determine reid vapour pressure for stabilized crude oils by gas chromatography." Chromatographia 22, no. 1-6 (June 1986): 63–64. http://dx.doi.org/10.1007/bf02257300.

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Povar, I., V. Cerempei, and B. Pintilie. "Physicochemical Properties of the Gasoline and Alcohol Biofuel Mixtures." Chemistry Journal of Moldova 6, no. 2 (December 2011): 48–52. http://dx.doi.org/10.19261/cjm.2011.06(2).11.

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The influence of added alcohols, ethanol and butanol, on the main biofuel properties, such as the specific gravity, Reid saturated vapour pressure and distillation curves have been investigated. These properties are intimately related to the fuel composition and their prediction relies on the knowledge of its components characteristics. This research proves the possibility of obtaining fuels with different levels of resistance to detonation, using gasoline with different chemical components and various fractions of alcohols.
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Workman, Jerome. "A Brief Review of near Infrared in Petroleum Product Analysis." Journal of Near Infrared Spectroscopy 4, no. 1 (January 1996): 69–74. http://dx.doi.org/10.1255/jnirs.77.

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The use of infrared spectroscopy [including near infrared (NIR) spectroscopy] for the analysis of petroleum product analysis has become an essential component of hydrocarbon processing and refining since the mid-1940s. Early scientific literature identified absorption band positions for a variety of hydrocarbon functional groups from pure compounds to complex mixtures. The short wavelength NIR region (generally designated as 750–1100 nm), and the long-wavelength NIR region (1100–2500 nm) have been explored for their relative chemical information content with respect to hydrocarbon fuel mixtures. The functional groups of methyl, methylene, carbon–carbon, carbon–oxygen (including carbonyl), and aromatic (C–H) are measured directly using NIR spectroscopy. NIR spectroscopy combined with multivariate calibration has resulted in the reported analysis of numerous fuel components. The scientific literature has reported varied success for the measurement of RON (research octane number), MON (motor octane number), PON (pump octane number), cetane, cloud point, MTBE ( tert-Butyl methyl ether), RVP (Reid vapour pressure), ethanol, API, bromine number, lead, sulphur, aromatics, olefins and saturates content in such products as gasoline, diesel fuels, and jet fuels. This review paper summarises the foundational work using near-infrared for hydrocarbon fuels measurement beginning in 1938.
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Megawati, Eka, I. Ketut Warsa, and Mochammad Wahyu Setiawan. "Optimasi Blending Pertalite dengan Komponen Reformate di PT. XYZ Balikpapan." CHEESA: Chemical Engineering Research Articles 3, no. 1 (June 29, 2020): 14. http://dx.doi.org/10.25273/cheesa.v3i1.5684.

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<p>Penelitian ini bertujuan untuk perbaikan produk Pertalite menggunakan komponen Reformat agar memenuhi spesifikasi yang telah ditetapkan oleh Dirjen Migas. Metode <em>blending </em>merupakan teknik pengumpulan data yang berupa perhitungan optimasi <em>blending</em> pertalite dengan penambahan komponen reformate menggunakan rumus <em>trial &amp; error</em>/coba-coba. Beberapa rumusan perhitungan <em>blending</em> yang di pakai untuk membuat Pertalite dari komponen-komponennya adalah: <em>Blending</em>, Distilasi, <em>Octane Number</em> dan RPV. Berdasarkan perhitungan hasil distilasi 10% sebesar 68,88 <sup>o</sup>C, 50% sebesar 106,94 <sup>o</sup>C, FBP 201,91 <sup>o</sup>C,<em> Reid Vapour Pressure</em> (RVP) sebesar 48,78 Kpa, <em>density at</em> 15<sup> o</sup>C sebesar 762,60 Kg/liter, dan ON diperoleh angka sebesar 90. Berdasarkan hasil analisa Perhitungan Optimasi <em>blending</em> pertalite ON 89,5 dengan Reformat menggunakan rumus <em>trial &amp; error</em>/coba-coba, pencampuran titik <em>blending</em> telah memenuhi spesifikasi Distilasi, RVP dan Density. Pertalite ON 90 diperoleh dari percampuran pertalite ON 89,5 sebanyak 5320 m<sup>3</sup> dengan Reformat sebanyak 415,625 m<sup>3</sup>.</p>
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Mihajlovic, Marina, Ana Veljasevic, Jovan Jovanovic, and Mica Jovanovic. "Estimation of evaporative losses during storage of crude oil and petroleum products." Chemical Industry 67, no. 1 (2013): 165–74. http://dx.doi.org/10.2298/hemind120301050s.

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Storage of crude oil and petroleum products inevitably leads to evaporative losses. Those losses are important for the industrial plants mass balances, as well as for the environmental protection. In this paper, estimation of evaporative losses was performed using software program TANKS 409d which was developed by the Agency for Environmental Protection of the United States - US EPA. Emissions were estimated for the following types of storage tanks: fixed conical roof tank, fixed dome roof tank, external floating roof tank, internal floating roof tank and domed external floating roof tank. Obtained results show quantities of evaporated losses per tone of stored liquid. Crude oil fixed roof storage tank losses are cca 0.5 kg per tone of crude oil. For floating roof, crude oil losses are 0.001 kg/t. Fuel oil (diesel fuel and heating oil) have the smallest evaporation losses, which are in order of magnitude 10-3 kg/tone. Liquids with higher Reid Vapour Pressure have very high evaporative losses for tanks with fixed roof, up to 2.07 kg/tone. In case of external floating roof tank, losses are 0.32 kg/tone. The smallest losses are for internal floating roof tank and domed external floating roof tank: 0.072 and 0.044, respectively. Finally, it can be concluded that the liquid with low volatility of low BTEX amount can be stored in tanks with fixed roof. In this case, the prevailing economic aspect, because the total amount of evaporative loss does not significantly affect the environment. On the other hand, storage of volatile derivatives with high levels of BTEX is not justified from the economic point of view or from the standpoint of the environment protection.
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Bohács, Gy, Z. Ovádi, and A. Salgó. "Prediction of Gasoline Properties with near Infrared Spectroscopy." Journal of Near Infrared Spectroscopy 6, no. 1 (January 1998): 341–48. http://dx.doi.org/10.1255/jnirs.155.

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The test measurements used for the analysis of gasoline quality are mostly complicated standard procedures which are time consuming and which require special equipment, large volume of samples and specialists. The standard test methods could be partly replaced with non-destructive near infrared (NIR) spectroscopic measurements which are fast and less expensive. The aim of this paper is to present a feasible procedure for the prediction of quality parameters of gasoline from its NIR spectrum in a large and very diverse sample set. 350 commercially available gasoline samples were collected from July 1996. The samples covered summer and winter grades of normal, super and superplus unleaded gasolines with minimum RON requirements of 91, 95 and 98, respectively. These fuels covered a wide range of samples from very different sources including Hungarian and foreign refineries and pumps. An InfraPrime Lab Analyser (Bran+Luebbe) with high quality optical fibres in combination with multivariate calibration (PLSR) was used to determine 12 different chemical and physical properties of gasolines including reseach octane number (RON), motor octane number (MON), benzene, methyl-tertier-buthyl-ether (MTBE), sulphur content, distillation characteristics, Reid vapour pressure (RVP) and density at 15°C. The developed NIR methods predicted four important gasoline properties (RON, MON, benzene and MTBE content) with reproducibilities equivalent to the standard test procedures. The standard errors of prediction were 0.34 for RON, 0.30 for MON, 0.13%(vv−1) for benzene and 0.21%(vv−1) for MTBE content. The correlation coefficients were better than 0.970 in these calibrations. Calibrations developed for other gasoline properties showed poor correlation coefficients and allowed each parameter to be predicted only with higher standard error than the reference values. The NIR methods described are suitable for routine selection measurements in large series of gasoline samples.
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Riazi, T. A. Albahri, and A. H. Alqattan. "Prediction of Reid Vapor Pressure of Petroleum Fuels." Issues in Mental Health Nursing 23, no. 1 (December 28, 2005): 75–86. http://dx.doi.org/10.1081/lft-200028024.

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Riazi, M. R., T. A. Albahri, and A. H. Alqattan. "Prediction of Reid Vapor Pressure of Petroleum Fuels." Petroleum Science and Technology 23, no. 1 (December 28, 2005): 75–86. http://dx.doi.org/10.1081/lft-20009686225.

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Schifter, Isaac, Luis Diaz, Uriel Gonzalez, Carmen Gonzalez-Macias, and Isidro Mejía-Centeno. "The effects of addition of co-solvents on the physicochemical properties of gasoline–methanol blended fuels." International Journal of Engine Research 20, no. 5 (February 22, 2018): 501–9. http://dx.doi.org/10.1177/1468087418757855.

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The scope of the work carried out is aimed to evaluate the effects of blending methanol in the gasoline pool, particularly octane number and Reid vapor pressure increase when methanol is substituting methyl-tertiary-butyl ether in the formulation of Regular and Premium base gasolines. Isopropyl alcohol and ethanol have been investigated and found to be a promising co-blending alcohol to be mixed in gasoline methanol blends. Isopropyl alcohol is most effective below 3 vol%. Ethanol has been found to be the most promising co-blending alcohol able to reduce the Reid vapor pressure increase by 1.4 psi even with concentrations in the range of 2 vol%. The addition of isopropyl alcohol to the methanol–gasoline blends has shown the ability of a ternary mixture to further reduce the Reid vapor pressure of the finished gasoline and, subject to availability and price of isopropyl alcohol, could be of interest in further formulation studies focused on maximizing the saving on finished gasoline cost by reducing the Reid vapor pressure of base gasoline and/or increasing the methanol content.
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Dissertations / Theses on the topic "Reid vapour pressure"

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Rahmanian, Nejat, L. S. B. Jusoh, M. Homayoonfard, K. Nasrifar, and M. Moshfeghian. "Simulation and Optimization of a Condensate Stabilization Process." 2016. http://hdl.handle.net/10454/8160.

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A simulation was conducted using Aspen HYSYS® software for an industrial scale condensate stabilization unit and the results of the product composition from the simulation were compared with the plant data. The results were also compared to the results obtained using PRO/II software. It was found that the simulation is closely matched with the plant data and in particular for medium range hydrocarbons. The effects of four process conditions, i.e. feed flow rate, temperature, pressure and reboiler temperature on the product Reid Vapour Pressure (RVP) and sulphur content were also studied. The operating conditions which gave rise to the production of off-specification condensate were found. It was found that at a column pressure of 8.5 barg and reboiler temperature of 180°C, the condensate is successfully stabilised to a RVP of 60.6 kPa (8.78 psia). It is also found that as compared to the other parameters the reboiler temperature is the most influential parameter control the product properties. Among the all sulphur contents in the feed, nP-Mercaptan played a dominant role for the finishing product in terms of sulphur contents.
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Books on the topic "Reid vapour pressure"

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A Study of the Effects of Gasoline Reid Vapor Pressure (Rvp on the Evaporative and Exhaust Emissions from in-Use Automobiles Phase II/Health and Env). Amer Petroleum Inst, 1986.

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Conference papers on the topic "Reid vapour pressure"

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Simons, A., and E. K. Gbadam. "Analysis of Properties of Adulterated Fuel and Its Effects on Internal Combustion Engines and the Environment: A Case Study Tema Metropolitan Assembly, Tema, Ghana." In ASME 2010 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/icef2010-35047.

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This paper seeks to investigate the sources and the level of fuel contamination in the Ghanaian market and its effects on internal combustion engines and the environment. A survey was conducted in and around the Tema Metropolitan Assembly to collect samples of fuels from different retailers without letting them know the intentions of the buyer (that these are for research). Experiments were carried out at Tema Oil Refinery (TOR), Tema, Ghana, on the two conventional fuels collected from these sources. The analysis of the results showed that fuel from the fuel tank and “Zamelama” (small scale petrol retailers) filling station had the highest level of contamination as far as the experiment on petrol (gasoline) was concerned. With the diesel fuel experiment, most of the values obtained were high but within the standard range at the refinery. Information obtained from questionnaires given to fuel tanker drivers, mechanics and sales persons at various filling stations indicated that the adulteration is done using Naphtha and Kerosene. Consequently, other experiments were carried out at TOR using different proportions of Naphtha and Kerosene and the resultant properties as a result of the adulteration were analyzed. It was observed that the adulterated fuels have undesirable properties such as High Gum Content, low Research Octane Number (RON) and Reid Vapour Pressure (RVP) values which may lead to engine damage and pollution of the environment due to increased exhaust emissions. Considering the results of the experiment, it can be concluded that Petrol adulterated with Naphtha or Kerosene should not be used in Internal Combustion Engines. This is because of its undesirable properties such as higher Gum content, lower RON and RVP values which lead to engine damage and pollution of the environment due to increased exhaust emissions.
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Brownlow, A. D., J. K. Brunner, and J. S. Welstand. "CHANGES IN REID VAPOR PRESSURE OF GASOLINE IN VEHICLE TANKS AS THE GASOLINE IS USED." In 1989 SAE International Fall Fuels and Lubricants Meeting and Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1989. http://dx.doi.org/10.4271/892090.

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Shiller, J. W. "Mathematical Prediction of Effects of Gasoline Composition on Reid Vapor Pressure, Refueling Emissions and their Reactivity." In SAE International Congress and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1986. http://dx.doi.org/10.4271/860532.

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Privat, Romain, Freddy Garcia, Jean-Noe¨l Jaubert, and Michel Molie`re. "Ethanol-Hydrocarbon Blend Vapor Prediction." In ASME Turbo Expo 2009: Power for Land, Sea, and Air. ASMEDC, 2009. http://dx.doi.org/10.1115/gt2009-59336.

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In the volatile fuel price environment of today, the quest for alternative fuels has become a heavy and long term trend in power generation worldwide. Incorporating alternative fuels in gas turbine installations raises multiple engineering questions relating to combustion, emissions, on-base and auxiliary hardware capability, safety etc. In 2008, GE carried out a field test aimed at characterizing the combustion of ethanol in a naphtha fuelled gas turbine plant. The testing strategy has been to locally prepare and burn ethanol-naphtha blends with a fraction of ethanol increasing from 0 to nearly 100%. During the engineering phase prior to this field test, it appeared necessary to develop a sufficient knowledge on the behavior of ethanol-hydrocarbon blends in order to establish the safety analysis and address in particular the risks of (i) a potential uncontrolled ignition event in the air blanket of fuel tanks and (ii) flash vaporization of a potential fuel pond in a confined environment. Although some results exist in the car engine literature for ethanol-gasoline blends, it was necessary to take into account the specificities of gas turbine applications, namely (i) the much greater potential ethanol concentration range (from 0 to 100%) and (ii) the vast composition spectrum of naphtha likely to generate a much larger Reid Vapor Pressure envelope as compared with automotive applications. In order to fulfill the safety needs of this field test, the “Laboratoire de Thermodynamique des Milieux Polyphase´s” (LTMP) of Nancy, France has developed a thermodynamic model to approach the vaporization equilibria of ethanol-hydrocarbons mixtures with variable ethanol strength and naphtha composition. This model, named PPR78, is based on the 1978 Peng-Robinson equation of state and allows the estimation of the thermodynamic properties of a multicomponent mixture made of ethanol and naphtha compounds by using the group contribution concept. The saturation equilibrium partial pressure of such fluids in the various situations of relevance for the safety analysis can thus be calculated. The paper reports the elaboration of this model and illustrates the results obtained when using it in different safety configurations.
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Leung, W. W. F., C. Chao, C. H. Cheng, K. F. Lei, D. Ngan, C. K. Lau, and W. C. Tse. "Measurement of Solvent Vapor Absorption by Polydimethylsiloxane Using Quartz Crystal Microbalance." In 2008 Second International Conference on Integration and Commercialization of Micro and Nanosystems. ASMEDC, 2008. http://dx.doi.org/10.1115/micronano2008-70163.

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A new micro-electromechanical system (MEMS) gas sensor has been developed using quartz crystal microbalance (QCM) with adsorbent coated in form of nanofibers on the QCM sensor. The nanofibers with fiber diameter typically around 200–300 nm increases the specific surface area to enhance adsorption. The QCM is made to oscillate at its natural resonance frequency. Upon exposure of the gas sensor to a given gas, the adsorbed gas onto the nanofibers adds a small mass which changes the natural frequency of the oscillation. By detecting the frequency shift due to adsorption of a given gas, the presence of the gas is detected, and by measuring the frequency shift, the amount of gas being adsorbed at a given pressure and temperature is quantified via the Sauerbrey equation [1]. A circuit has been developed to read the frequency shift due to the energy dissipation in the QCM coated with Polydimethylsiloxane (PDMS) nanofibers under the environment of several solvent vapors. The developed circuit includes two crystal oscillator circuits, two QCM’s which are respectively 1MHz reference QCM and a coated QCM, RC filter and AND gates. The results of the frequency shift between the reference QCM and the coated QCM were recorded on the oscilloscope so as to investigate the relationships between the frequency shift and the amount of vapor adsorbed for different gases. Ultimately, Volatile Organic Compounds (VOCs) are the target to be monitored and a MEMS based sensor will be developed similar to the present QCM gas sensor discussed herein. This work provides the feasibility study for using nanofiber coating to enhance the adsorbent specific area and a stand-alone QCM sensor for making measurement.
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Gonzalez, Uriel, and Isaac Schifter. "Oxygenated fuels properties and its relationship with engine performance in port fuel injection engines." In ILASS2017 - 28th European Conference on Liquid Atomization and Spray Systems. Valencia: Universitat Politècnica València, 2017. http://dx.doi.org/10.4995/ilass2017.2017.4855.

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Gasoline oxygenating agents (alcohols, ethers and a carbonate) were used to formulate gasoline at different oxygencontents up to 20 wt.% and compared with commercial Premium gasoline.The performance of each fuel was investigated in a port fuel injected, single cylinder, spark-ignited engine at different stages i.e. air fuel mixture preparation, combustion behavior and exhaust emissions. In all cases, the intake cooling effect (related mainly to fuel properties like latent heat of vaporization and Reid Vapor Pressure), shows an important relationship with engine performance and emissions, probably due to reductions in heat losses associated with decreases in charge temperature at compression stroke before ignition. This results was confirmed by means of vehicle FTP-75 test.The high RVP promotes high intake manifold evaporation rate, and the high HoV is related to important cooling effect as the fuel absorbs heat during evaporation. If the fuel evaporates faster upstream intake valves, the advantages of high HoV as a way to reduce compression work and heat transfer fallen.The quantification of the charge cooling effect was done by means of precision intake air temperature control and the instrumentation of a temperature downstream the injector at intake port and as close as possible to the intake valves.The use of oxygenates reduce the hydrogen and carbon fuel contents as a result of fuel dilution. For a given level of oxygenation as lower is the molecular oxygen content in the additive, higher will be the fuel dilution.For 10 wt.% oxygen and more, fuel performance in port engines depends mainly on oxygenate contents and its relationship with HoV and RVP. For oxygenated gasolines, fuel sensitivity have a direct relationship with latent heatls increase RON. In the other hand, MON is almostinsensible to high heat of vaporization, because the intake air is heated to 159 C as a test requirement.DOI: http://dx.doi.org/10.4995/ILASS2017.2017.4855
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Levy, Y., V. Erenburg, A. Roizman, V. Sherbaum, and V. Ovcharenko. "Comparison of Methanol and Kerosene Combustion in a Swirl Stabilized Spray Combustor." In ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/gt2016-56070.

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In contrast to other alternative fuels, methanol offers a plethora of advantages; it can be produced from natural gas, coal or any organic biomass matter. Methanol is the cheapest of all alternative fuels and has a reduced likelihood of reacting to form pollutants such as soot, CO, NOx. Furthermore, methanol is a liquid at standard atmospheric conditions and can be stored and transported much more cheaply and safely than gaseous fuel. There are also drawbacks that impinge on its overall utility: Methanol has a lower energy density as compared to conventional fossil liquid fuels (kerosene, diesel oil etc.), it has the propensity to react to form aldehyde emissions and to dissolve in atmospheric moisture. Methanol also has a low vapor pressure that could lead to cold start problems in IC engines, at temperatures below 15°C. The objective of the present work is to perform an experimental investigation and a chemical kinetic comparison of combustion characteristics between methanol and kerosene & diesel fueled swirl stabilized burner. A special emphasis is given to the impact of fuel conversion of existing combustion systems from kerosene (or diesel) to methanol. The experimental set-up is based on a modified industrial burner with heating power of 50kW. In order to have a better control over the incoming air flow, the original blower is replaced with a larger and more stable industrial blower that allowed precise monitoring of the air flow rate. The combustion chamber consists of a stainless steel tube, 10cm in diameter and 80cm in length. The experiments include measurements of temperature distribution inside the combustor: wall temperature distribution is recorded with the use of thermocouples and a calibrated infra-red camera. The composition of the combustion pollutants is also monitored at the exhaust. A National Instruments cRIO 9074 controller is used in conjunction with a National Instruments LabView interface for data acquisition. The comparison between methanol and kerosene characteristics is carried out for equal heat release and equivalence ratios. Experimental results show that methanol burns slower than kerosene and therefore requires a longer combustor. It is found that the larger methanol droplet size and its larger volume flux contribute significantly to this extended length requirement for complete methanol combustion. The measured CO emission values for kerosene and methanol were 25 and 110 ppm respectively, and 40 and 10ppm for NOx. These results clearly indicate the reduced NOx emission during methanol combustion; however, the notable presence of CO indicates that methanol needs a longer combustor length to complete the combustion process.
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