تعتبر شركة Olux شركة رائدة ومتميزة على المستوى الدولي في مجال البحث والتطوير وتصنيع وبيع محطات التكسير والغربلة واسعة النطاق ومعدات الطحن الصناعية ومصانع الاستفادة.
First, low-intensity magnetic separation (LIMS) was assessed to remove iron oxides from the heavy mineral gravity concentrate. The non-magnetic fraction was then processed using a WHIMS to determine if the various REMs could be effectively separated from zircon. ... However, upgrading was impacted after each subsequent pass and the grade of ...
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Our method compares the upgrading of a HCO where other iron oxide nanoparticles were synthesized by a traditional thermal decomposition method of organometallic compounds …
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The black sand magnetite is a raw material to produce iron and steel. High content magnetite in the top meter beach sands of the north-west of El-Burullus Lake of Egypt is separated and mineralogically and geochemically investigated. Magnetite content obtained by laboratory techniques varies between 2.92 and 0.11 wt%, with 1.15 wt% average. It represents …
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Upgrading of oil sand bitumen was examined using a catalyst consisting of CeO 2 –ZrO 2 –Al 2 O 3 –FeO X and sub- and super-critical water in two reactor types: batch-type and fixed-bed flow-type. Bitumen diluted with benzene was used as a feedstock, and the effects of reaction pressure and temperature on product yield were investigated.
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the on-site upgrading of heavy oil including bitumen derived from the SAGD (Steam Assisted Gravity Drainage) method, in which bitumen is mined with water under high temperature and pressure. ... continuous upgrading of bitu-men over iron-based oxide catalyst was evaluated with the high pressure flow type reactor. Figure 5 shows the effect of ...
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Our recent studies of the application of iron-based oxide catalysts to upgrading of heavy oils under sub-/super-critical water conditions are reviewed. The effect of reaction parameters on the …
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However, many investigations indicated that it's very difficult to effectively separate manganese oxides from iron oxides only by using physical beneficiation methods, such as gravity, magnetic or ...
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Upgrading of bitumen was carried out under sub- and super-critical conditions using an FeO x-based catalyst.. Heavy oil was effectively decomposed over the FeO x-based catalyst using sub-critical water.. Decomposition of bitumen over the catalyst proceeded efficiently at 19.0 MPa and above 673 K.. The catalyst after removal of coke deposited by calcination in air …
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There are oxide-silicate–facies iron formations and Fe-Ti oxide-bearing gabbros in underlying rocks, the intrusions contain iron-formation and gabbro xenoliths, the parental magma was a chromite-saturated low-Mg komatiite (Mungall et al., 2010), and the chromite-bearing intrusions are dominated by cumulates and interpreted to represent flow ...
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Therefore, the reaction process using iron-based oxide catalyst can be applied for the on-site upgrading of heavy oil including bitumen derived from the SAGD (Steam Assisted Gravity Drainage ...
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A novel direct method in one-step for catalytic heavy crude oil upgrading using iron oxide nanoparticles. O. Morelos-Santos, A. I. Reyes de la Torre, J. A. Melo-Banda, P ... API gravity and heavy fractions decrease, for example, the residue conversion was about 20 % and the kinetic model was adjusted to a five lump model. The formation of the ...
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Based on these results, a mechanism by which H 2 and CO 2 are emitted from the WGS reaction of CO generated as an intermediate product from oxidative decomposition caused by lattice oxygen in the iron oxide or hydrolysis of heavy oils has proposed by Hosseinpour et al. [37], [61] who performed heavy water tracking studies on the redox reaction ...
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We proposed a direct in situ synthesis method for iron oxide nanoparticles (NPs) along with catalytic erformance upgrading of heavy crude oil (HCO). Our method compares the upgrading of a HCO where other iron oxide nanoparticles were synthesized by a traditional thermal decomposition method of organometallic compounds in the presence of stabilizing …
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The upgrading of rare earth oxides from iron-oxide silicate rich tailings: Flotation performance using sodium oleate and hydroxamic acid as collectors ... and high specific gravity, iron oxide ...
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In the past few decades, flotation has been fully researched, and it has been widely used in iron ore upgrading. Iron ore flotation generally adopts two technical routes: iron oxide direct flotation and reverse flotation of gangue minerals inhibited by iron oxides. Nowadays, reverse flotation is the most commonly used route in iron ore flotation.
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The API gravity and viscosity reduction achieved using dispersed particulate Co-Mo/γ-Al 2 O 3 catalyst was 3 o points and 2 % above that obtained with pelleted fixed-bed catalyst (5.6 o API and 97.1%). ... alumina (Al 2 O 3 ), silica -alumina (SiO 2 -Al 2 O 3 ) supported iron oxide (10 wt% Fe) catalysts were prepared by wet impregnation method ...
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The advantage of heavy oil upgrading by using iron oxide nanoparticles in SCW + FA solution is that water pressure can enhance the capability of catalyst in providing the oxygen for the oxidative cracking as well as the effective hydrogenation of heavy oil by active hydrogen from the water-gas shift reaction. ... specific gravity of VR at T ...
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The upgrading performance of each method was evaluated based on API gravity, viscosity reduction, impurity removal, and true boiling point distribution. According to their results, a fixed-bed technique could increase the API around 5.6°, while dispersed ultrafine catalysts enhance the API up to 8.7°.
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The properties of upgraded oil at the optimum condition are API gravity 21.1o, viscosity 105.75 cP, sulfur reduced by 37.54 %, metals (Ni + V) reduced by 68.9 %, and naphtha plus middle distillate ...
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Therefore, the reaction process using iron-based oxide catalyst can be applied for the on-site upgrading of heavy oil including bitumen derived from the SAGD (Steam Assisted Gravity Drainage ...
WhatsApp: +86 18221755073
We proposed a direct in situ synthesis method for iron oxide nanoparticles (NPs) along with catalytic erformance upgrading of heavy crude oil (HCO).
WhatsApp: +86 18221755073
Our recent studies of the application of iron-based oxide catalysts to upgrading of heavy oils under sub-/super- critical water conditions are reviewed.The effect of reaction parameters on the …
WhatsApp: +86 18221755073
A representative white sand sample was investigated for glass industry. Complete characterization of the sample was conducted. Chemical analysis of the sample showed that iron and alumina oxides ...
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Next, three iron supported nanocatalysts were prepared by dispersion of commercial 20 nm, 60 nm and 90 nm iron oxide nanoparticles in a natural silica support (see Experimental Section for details). In the presence of iron-containing nanocatalysts, further improvement in the upgraded crude oil properties were obtained (Table 1, Runs 3–5).
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oxide to metallic iron and high manganese oxide to MnO increased, which leads to the high MR of reduced ore and h i g hR M ni nn o n m a g n e t i cp r o d u c t .
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Detailed optimization of the reaction conditions with iron oxide dispersed nanoparticles (≤50 nm) for in situ catalytic upgrading of heavy oil was carried out at the following ranges; temperature 355–425 °C, reaction time 20–80 min, agitation 200–900 rpm, initial hydrogen pressure 10–50 bar, and iron metal loading 0.03–0.4 wt %. It ...
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The advantage of heavy oil upgrading by using iron oxide nanoparticles in SCW + FA solution is that water pressure can enhance the capability of catalyst in providing the oxygen for the oxidative cracking as well as the effective hydrogenation of heavy oil by active hydrogen from the water-gas shift reaction. ... (API gravity 14° and viscosity ...
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An iron oxide film was formed on the particle surface in the OCS-1100 °C due to the migration of Fe element and the increase in thickness up to ∼ 5 μm with elevated oxidation temperature. ... A physico-chemical separation process for upgrading iron from waste. Int J Miner Process, 124 (2013), pp. 124-127. View PDF View article View in ...
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DOI: 10.1016/J.CATTOD.2021.04.024 Corpus ID: 235560544; A novel direct method in one-step for catalytic heavy crude oil upgrading using iron oxide nanoparticles @article{MorelosSantos2021AND, title={A novel direct method in one-step for catalytic heavy crude oil upgrading using iron oxide nanoparticles}, author={Oscar Morelos-Santos and …
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Detailed optimization of the reaction conditions with iron oxide dispersed nanoparticles (≤ 50 nm) for in situ catalytic upgrading of heavy oil was carried out at the following ranges ...
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Viscosity and API gravity analysis before an d a er upgrading of heavy oil at 320 °C and 6 h reaction . time. Fig. 8. ... iron oxide as a catalyst. Energy Fue ls. 29, 6306–6316.
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Vacuum distillation residue upgrading of Tehran oil refinery, Iran, using microwave was performed, and the effects of different parameters on temperature, viscosity, API 1 gravity, and asphaltene were evaluated. The various catalysts effects (iron, nickel, copper, MoS 2, Fe 2 O 3), microwave power level at three levels (50, 70, ), activated carbon at four levels (5, 10, …
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In this study, oil-soluble transition metal-based catalysts (Fe, Co, Ni) are proposed for catalyzing aquathermolysis reactions in steam injection process for heavy oil production to …
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the collector from attaching to the iron oxides, allowing for. ... research began on upgrading an iron deposit with an iron. ... stage grinding, gravity separation, magnetic separation, and.
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Upgrading of heavy oil with water requires the following catalyst properties: high activity to decompose heavy oil, stable activity under severe hydrothermal or steam conditions, and …
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For example, mixed iron oxide nanoparticles synthesized in situ from the iron(III) acetylacetonate complex are shown to be efficient catalysts for in situ upgrading of heavy oil [12, 13 ...
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