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Behzadi S, Nonahal B, Royaee SJ, Asadi AA. Tio 2/SiO 2/Fe 3O 4 magnetic nanoparticles synthesis and application in methyl orange UV photocatalytic removal. Water Sci Technol 2020; 82:2432-2445. [PMID: 33339797 DOI: 10.2166/wst.2020.509] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Three main parameters affecting TiO2/SiO2/Fe3O4 nanoparticles activity in photocatalytic degradation of methyl orange were investigated using response surface methodology (SRM). Precipitation method and sol-gel technique were used to prepare SiO2/Fe3O4 electromagnetic composite support and TiO2/SiO2/Fe3O4 photocatalytically active nanoparticles. The specific surface area, pore volume, and average pore size of the synthesized nanoparticles were respectively equal to 56 m2/g, 0.12 cm3/g and 9.4 nm. The point of zero charge (PZC) of the catalyst was measured to be 5.9. The maximum and minimum photocatalytic degradation of methyl orange using the synthesized nanoparticles were 100% and 30%, respectively. A linear model was fitted to the obtained results with R2adjusted equal to 0.87. The results of analysis of variance (ANOVA) revealed that catalyst concentration, reaction media pH and aeration rate were significantly affected the photocatalytic activity. Optimization was performed considering photocatalytic activity as the main objective functions. In order to maximize photocatalytic activity, catalyst loading, reaction media pH and aeration rate were respectively adjusted to 2,000 ppm, 3 and 2.5 L/min, which resulted in total methyl orange removal. Considering promising photocatalytic activity of TiO2/SiO2/Fe3O4 along with core-sell nanocomposite separation performance led us to propose this photocatalyst as an alternative solution for treating waste waters.
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Affiliation(s)
- Shabnam Behzadi
- Department of Chemical Engineering, Amirkabir University of Technology, Tehran, 15875-4413, Iran
| | - Behrouz Nonahal
- Petroleum Refining Technology Development Division, Research Institute of Petroleum Industry (RIPI), Tehran, 14857-33111, Iran E-mail:
| | - Sayed Javid Royaee
- Petroleum Refining Technology Development Division, Research Institute of Petroleum Industry (RIPI), Tehran, 14857-33111, Iran E-mail:
| | - Amir Atabak Asadi
- Petroleum Refining Technology Development Division, Research Institute of Petroleum Industry (RIPI), Tehran, 14857-33111, Iran E-mail:
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2
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Shabani MR, Moosavian MA, Zamani Y, Royaee SJ. Effect of acid–base properties on design of catalyst for methanol thiolation: A review. CR CHIM 2020. [DOI: 10.5802/crchim.45] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Alibolandi M, Darian JT, Ghaedian M, Royaee SJ, Shafeghat A. Non-catalytic oxidative desulfurization of gas condensate by ozone and process optimization using response surface methodology. KOREAN J CHEM ENG 2020. [DOI: 10.1007/s11814-020-0595-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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4
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Jafarikojour M, Dabir B, Sohrabi M, Royaee SJ. Comparison between the performance of an immobilized impinging jet stream reactor and a slurry impinging jet stream reactor for photocatalytic phenol degradation. J DISPER SCI TECHNOL 2018. [DOI: 10.1080/01932691.2018.1468264] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Morteza Jafarikojour
- Chemical Engineering Department, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Bahram Dabir
- Chemical Engineering Department, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
- Energy Research Center of Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
- Faculty of Petroleum Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Morteza Sohrabi
- Chemical Engineering Department, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Sayed Javid Royaee
- Petroleum Refining Technology Development Division, Research Institute of Petroleum Industry, Tehran, Iran
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Sharifi K, Halladj R, Royaee SJ, Jafari Nasr MR. Synthesis of W/HZSM-5 catalyst for simultaneous octane enhancement-desulfurization process of gasoline production. POWDER TECHNOL 2018. [DOI: 10.1016/j.powtec.2018.07.079] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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6
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Sharifi K, Halladj R, Royaee SJ, Nasr MRJ. A new approach for gasoline upgrading: Coupling octane enhancement and desulfurization of heavy straight-run naphtha over Ni/HZSM-5 catalyst. CATAL COMMUN 2018. [DOI: 10.1016/j.catcom.2018.07.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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7
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Dinarvand M, Sohrabi M, Royaee SJ, Zeynali V. Degradation of phenol by heterogeneous Fenton process in an impinging streams reactor with catalyst bed. ASIA-PAC J CHEM ENG 2017. [DOI: 10.1002/apj.2104] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Maryam Dinarvand
- Department of Chemical Engineering; Amirkabir University of Technology; Tehran Iran
| | - Morteza Sohrabi
- Department of Chemical Engineering; Amirkabir University of Technology; Tehran Iran
- IR Iran Academy of Sciences, Engineering Division; Tehran Iran
| | - Sayed Javid Royaee
- Refining Technology Development Division; Research Institute of Petroleum Industry; Tehran Iran
| | - Vahid Zeynali
- Department of Chemical Engineering, Faculty of Engineering; Ferdowsi University of Mashhad; Mashhad Iran
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Hosseini SMB, Fallah N, Royaee SJ. Optimization of photocatalytic degradation of real textile dye house wastewater by response surface methodology. Water Sci Technol 2016; 74:1999-2009. [PMID: 27842020 DOI: 10.2166/wst.2016.216] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
This study evaluates the advanced oxidation process for decolorization of real textile dyeing wastewater containing azo and disperse dye by TiO2 and UV radiation. Among effective parameters on the photocatalytic process, effects of three operational parameters (TiO2 concentration, initial pH and aeration flow rate) were examined with response surface methodology. The F-value (136.75) and p-value <0.0001 imply that the model is significant. The 'Pred R-Squared' of 0.95 is in reasonable agreement with the 'Adj R-Squared' of 0.98, which confirms the adaptability of this model. From the quadratic models developed for degradation and subsequent analysis of variance (ANOVA) test using Design Expert software, the concentration of catalyst was found to be the most influential factor, while all the other factors were also significant. To achieve maximum dye removal, optimum conditions were found at TiO2 concentration of 3 g L-1, initial pH of 7 and aeration flow rate of 1.50 L min-1. Under the conditions stated, the percentages of dye and chemical oxygen demand removal were 98.50% and 91.50%, respectively. Furthermore, the mineralization test showed that total organic compounds removal was 91.50% during optimum conditions.
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Affiliation(s)
| | - Narges Fallah
- Chemical Engineering Department, Amirkabir University of Technology, PO Box 15875-4413, Tehran, Iran E-mail:
| | - Sayed Javid Royaee
- Petroleum Refining Technology Development Division, Research Institute of Petroleum Industry, Tehran, Iran
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Jafarikojour M, Sohrabi M, Royaee SJ, Rezaei M. A new model for residence time distribution of impinging streams reactors using descending-sized stirred tanks in series. Chem Eng Res Des 2016. [DOI: 10.1016/j.cherd.2016.01.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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10
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Asadi AA, Bazmi M, Alavi SM, Royaee SJ. Neutralization of NaAlO2 solution with CO2 for synthesis of γ-Al2O3 nanoparticles, part 1: effects of synthesis parameters in semi-batch membrane dispersion microstructured reactor. RSC Adv 2016. [DOI: 10.1039/c6ra19625j] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Controlling characteristics of synthesized pseudoboehmite nanoparticles by means of parameters governing the neutralization process. Proposing formation mechanism of pseudoboehmite in three main stages: nucleation, aggregation and assembly.
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Affiliation(s)
- Amir Atabak Asadi
- School of Chemical Engineering
- Iran University of Science and Technology (IUST)
- Tehran
- Iran
| | - Mansour Bazmi
- Faculty of Research and Development in Downstream Petroleum Industry
- Research Institute of Petroleum Industry (RIPI)
- Tehran
- Iran
| | - Seyed Mahdi Alavi
- School of Chemical Engineering
- Iran University of Science and Technology (IUST)
- Tehran
- Iran
| | - Sayed Javid Royaee
- Petroleum Refining Technology Development Division
- Research Institute of Petroleum Industry (RIPI)
- Tehran
- Iran
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Madadi S, Sohrabi M, Royaee SJ. Performance evaluation of a novel multi-stage axial radial impinging flow photo-reactor for degradation of p-nitrophenol. J Taiwan Inst Chem Eng 2015. [DOI: 10.1016/j.jtice.2015.03.029] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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12
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Baradaran S, Sohrabi M, Bijani PM, Royaee SJ, Sahebdelfar S. Experimental and Modelling Study of Propane Aromatization Over H-zsm-5 Catalysts Prepared by Different Silica Sources. CAN J CHEM ENG 2015. [DOI: 10.1002/cjce.22238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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13
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Baradaran S, Sohrabi M, Moghimpour Bijani P, Royaee SJ. Isobutane aromatization in the presence of propane as a co-reactant over H-ZSM-5 catalysts using different crystallization times. J IND ENG CHEM 2015. [DOI: 10.1016/j.jiec.2015.01.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Baradaran S, Sohrabi M, Moghimpour Bijani P, Royaee SJ, Sahebdelfar S. Experimental and modelling study of propane aromatization over H-ZSM-5 catalysts prepared by different silica sources. CAN J CHEM ENG 2015. [DOI: 10.1002/cjce.22160] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Soroush Baradaran
- Chemical Engineering Department; Amirkabir University of Technology; Hafez Avenue P.O. Box 158754413 Tehran Iran
| | - Morteza Sohrabi
- Chemical Engineering Department; Amirkabir University of Technology; Hafez Avenue P.O. Box 158754413 Tehran Iran
| | - Parsia Moghimpour Bijani
- Catalyst Research Group; Petrochemical Research and Technology Company; National Petrochemical Company P.O. Box 1435884711 Tehran Iran
| | - Sayed Javid Royaee
- Refining Technology Development Division; Research Institute of Petroleum Industry; P.O. Box 1485733111 Tehran Iran
| | - Saeed Sahebdelfar
- Catalyst Research Group; Petrochemical Research and Technology Company; National Petrochemical Company P.O. Box 1435884711 Tehran Iran
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Jafarikojour M, Mohammadi MM, Sohrabi M, Royaee SJ. Evaluation and modeling of a newly designed impinging stream photoreactor equipped with a TiO2 coated fiberglass cloth. RSC Adv 2015. [DOI: 10.1039/c4ra13670e] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The photocatalytic degradation of p-nitrophenol (PNP) using TiO2 particles immobilized on a fiberglass cloth was investigated in a novel design of a photo-impinging stream reactor.
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Affiliation(s)
| | | | - Morteza Sohrabi
- Chemical Engineering Department
- Amirkabir University of Technology
- Tehran
- Iran
- Iran Academy of Sciences
| | - Sayed Javid Royaee
- Petroleum Refining Technology Development Division
- Research Institute of Petroleum Industry
- Tehran
- Iran
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Rezaei M, Rashidi F, Royaee SJ, Jafarikojour M. Performance evaluation of a continuous flow photocatalytic reactor for wastewater treatment. Environ Sci Pollut Res Int 2014; 21:12505-12517. [PMID: 24946704 DOI: 10.1007/s11356-014-3166-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2014] [Accepted: 06/05/2014] [Indexed: 06/03/2023]
Abstract
A novel photocatalytic reactor for wastewater treatment was designed and constructed. The main part of the reactor was an aluminum tube in which 12 stainless steel circular baffles and four quartz tube were placed inside of the reactor like shell and tube heat exchangers. Four UV-C lamps were housed within the space of the quartz tubes. Surface of the baffles was coated with TiO2. A simple method was employed for TiO2 immobilization, while the characterization of the supported photocatalyst was based on the results obtained through performing some common analytical methods such as X-ray diffraction (XRD), scanning electron microscope (SEM), and BET. Phenol was selected as a model pollutant. A solution of a known initial concentration (20, 60, and 100 ppmv) was introduced to the reactor. The reactor also has a recycle flow to make turbulent flow inside of the reactor. The selected recycle flow rate was 7 × 10(-5) m(3).s(-1), while the flow rate of feed was 2.53 × 10(-7), 7.56 × 10(-7), and 1.26 × 10(-6) m(3).s(-1), respectively. To evaluate performance of the reactor, response surface methodology was employed. A four-factor three-level Box-Behnken design was developed to evaluate the reactor performance for degradation of phenol. Effects of phenol inlet concentration (20-100 ppmv), pH (3-9), liquid flow rate (2.53 × 10(-7)-1.26 × 10(-6) m(3).s(-1)), and TiO2 loading (8.8-17.6 g.m(-2)) were analyzed with this method. The adjusted R (2) value (0.9936) was in close agreement with that of corresponding R (2) value (0.9961). The maximum predicted degradation of phenol was 75.50 % at the optimum processing conditions (initial phenol concentration of 20 ppmv, pH ∼ 6.41, and flow rate of 2.53 × 10(-7) m(3).s(-1) and catalyst loading of 17.6 g.m(-2)). Experimental degradation of phenol determined at the optimum conditions was 73.7 %. XRD patterns and SEM images at the optimum conditions revealed that crystal size is approximately 25 nm and TiO2 nanoparticles with visible agglomerates distribute densely and uniformly over the surface of stainless steel substrate. BET specific surface area of immobilized TiO2 was 47.2 and 45.8 m(2) g(-1) before and after the experiments, respectively. Reduction in TOC content, after steady state condition, showed that maximum phenol decomposition occurred at neutral condition (pH ∼ 6).
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Affiliation(s)
- Mohammad Rezaei
- Chemical Engineering Department, Amirkabir University of Technology, Tehran, Iran
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Royaee SJ, Sohrabi M, Jafarikojour M. Kinetic modeling for phenol degradation using photo-impinging streams reactor. Res Chem Intermed 2014. [DOI: 10.1007/s11164-014-1750-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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18
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Fatourehchi N, Sohrabi M, Dabir B, Royaee SJ, Haji Malayeri A. Application of a novel type impinging streams reactor in solid-liquid enzyme reactions and modeling of residence time distribution using GDB model. Enzyme Microb Technol 2014; 55:14-20. [PMID: 24411440 DOI: 10.1016/j.enzmictec.2013.11.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2013] [Revised: 11/18/2013] [Accepted: 11/20/2013] [Indexed: 10/26/2022]
Abstract
Solid-liquid enzyme reactions constitute important processes in biochemical industries. The isomerization of d-glucose to d-fructose, using the immobilized glucose isomerase (Sweetzyme T), as a typical example of solid-liquid catalyzed reactions has been carried out in one stage and multi-stage novel type of impinging streams reactors. Response surface methodology was applied to determine the effects of certain pertinent parameters of the process namely axial velocity (A), feed concentration (B), nozzles' flow rates (C) and enzyme loading (D) on the performance of the apparatus. The results obtained from the conversion of glucose in this reactor were much higher than those expected in conventional reactors, while residence time was decreased dramatically. Residence time distribution (RTD) in a one-stage impinging streams reactor was investigated using colored solution as the tracer. The results showed that the flow pattern in the reactor was close to that in a continuous stirred tank reactor (CSTR). Based on the analysis of flow region in the reactor, gamma distribution model with bypass (GDB) was applied to study the RTD of the reactor. The results indicated that RTD in the impinging streams reactor could be described by the latter model.
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Affiliation(s)
- Niloufar Fatourehchi
- Chemical Engineering Department, Amirkabir University of Technology, Tehran, Iran
| | - Morteza Sohrabi
- Chemical Engineering Department, Amirkabir University of Technology, Tehran, Iran.
| | - Bahram Dabir
- Chemical Engineering Department, Amirkabir University of Technology, Tehran, Iran
| | - Sayed Javid Royaee
- Refining Technology Development Division, Research Institute of Petroleum Industry, Tehran, Iran
| | - Adel Haji Malayeri
- Chemical Engineering Department, Amirkabir University of Technology, Tehran, Iran
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Jafarikojour M, Sohrabi M, Royaee SJ, Rezaei M. Residence time distribution analysis and kinetic study of toluene photo-degradation using a continuous immobilized photoreactor. RSC Adv 2014. [DOI: 10.1039/c4ra05239k] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The photocatalytic degradation of volatile organic compounds is an innovative intensification technology.
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Affiliation(s)
| | - Morteza Sohrabi
- Chemical Engineering Department
- Amirkabir University of Technology
- Tehran, Iran
- Iran Academy of Sciences
- Tehran, Iran
| | - Sayed Javid Royaee
- Petroleum Refining Technology Development Division
- Research Institute of Petroleum Industry
- Tehran, Iran
| | - Mohammad Rezaei
- Chemical Engineering Department
- Amirkabir University of Technology
- Tehran, Iran
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Royaee SJ, Sohrabi M, Jabari Barjesteh P. Performance evaluation of a continuous flow Photo-Impinging Streams Cyclone Reactor for phenol degradation. Chem Eng Res Des 2012. [DOI: 10.1016/j.cherd.2012.03.002] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Royaee SJ, Sohrabi M. Comprehensive Study on Wastewater Treatment Using Photo-Impinging Streams Reactor: Residence Time Distribution and Reactor Modeling. Ind Eng Chem Res 2012. [DOI: 10.1021/ie201384s] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Sayed Javid Royaee
- Refining Technology Development
Division, Research Institute of Petroleum Industry, Tehran, Iran
| | - Morteza Sohrabi
- Chemical
Engineering Department, Amirkabir University of Technology, Tehran, Iran
- Iran Academy of Sciences, Tehran, Iran
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Dalil M, Sohrabi M, Royaee SJ. Application of nano-sized cobalt on ZSM-5 zeolite as an active catalyst in Fischer–Tropsch synthesis. J IND ENG CHEM 2012. [DOI: 10.1016/j.jiec.2011.11.114] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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Talebi G, Sohrabi M, Royaee SJ, Keiski R, Huuhtanen M, Imamverdizadeh H. Synthesis and activity measurement of the some bifunctional platinum loaded Beta zeolite catalysts for n-heptane hydroisomerization. J IND ENG CHEM 2008. [DOI: 10.1016/j.jiec.2008.04.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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