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Catalytic pyrolysis of green algae for hydrocarbon .

Catalytic pyrolysis of green algae for hydrocarbon .

Pyrolysis of Chlorella vulgaris with HZSM-5 catalyst in a fixed bed reactor resulted in 57.2 wt% of bio-oil containing 25.8 wt% of aromatic carbon [11]. The use of amphoteric oxides like ZrO 2 and .

Chemistry of Furan Conversion into Aromatics and Olefins .

Chemistry of Furan Conversion into Aromatics and Olefins .

2019-12-12 · The conversion of furan (a model of cellulosic biomass) over HZSM-5 was investigated in a thermogravimetric analysis–mass spectrometry system, in situ Fourier transform infrared analysis, and in a continuous-flow fixed-bed reactor. Furan adsorbed as oligomers at room temperature with a 1.73 of adsorbed furan/Al ratio. These oligomers were polycyclic aromatic compounds that were converted to .

Highly selective and stable Zn–Fe/ZSM-5 catalyst for .

Highly selective and stable Zn–Fe/ZSM-5 catalyst for .

Performance test was conducted in a fixed bed reactor at 540 °C, one atmosphere. GHSV of 1200 mL/g-h. Co-impregnation of Zn with Fe improved the catalytic activity and aromatic yield for 10 h time on stream as compared to parent HZSM-5 and Zn/ZSM-5 of .

Yousif Abdalla Abakar - Professor of Mechanical .

Yousif Abdalla Abakar - Professor of Mechanical .

Catalytic Intermediate Pyrolysis of Napier Grass in a Fixed Bed Reactor with ZSM-5, HZSM-5 and Zinc-Exchanged Zeolite-A as the Catalyst Energies 2016. Pengarang lain. Lihat penerbitan.

In-situ Upgrading of Napier Grass Pyrolysis Vapour Over .

In-situ Upgrading of Napier Grass Pyrolysis Vapour Over .

This study presents in-situ upgrading of pyrolysis vapour derived from Napier grass over microporous and mesoporous ZSM-5 catalysts. It evaluates effect of process variables such catalyst–biomass ratio and catalyst type in a vertical fixed bed pyrolysis system at 600 °C, 50 °C/min under 5 L/min nitrogen flow. Increasing catalyst–biomass ratio during the catalytic process with microporous .

Catalytic fast pyrolysis of waste pepper stems over HZSM-5

Catalytic fast pyrolysis of waste pepper stems over HZSM-5

Downloadable (with restrictions)! Catalytic fast pyrolysis over HZSM-5 of red pepper stems, a representative agricultural residue material in the southern area of South Korea, was carried out. The SiO2/Al2O3 ratio of the catalyst were 23 and 280. Pyrolysis-gas chromatography/mass spectrometry was used to pyrolyze the pepper stem samples at 550 °C and directly analyze the product distribution.

‪Professor Dr Yousif Abdalla Abakar‬ - ‪Google Scholar‬

‪Professor Dr Yousif Abdalla Abakar‬ - ‪Google Scholar‬

Catalytic intermediate pyrolysis of napier grass in a fixed bed reactor with ZSM-5, HZSM-5 and zinc-exchanged zeolite-A as the catalyst IY Mohammed, FK Kazi, S Yusup, PA Alaba, YM Sani, YA Abakr Energies 9 (4), 246, 2016

Overview of Applications of Biomass Fast Pyrolysis Oil

Overview of Applications of Biomass Fast Pyrolysis Oil

2018-8-31 · Overview of Applications of Biomass Fast Pyrolysis Oil

(PDF) Catalytic Intermediate Pyrolysis of Napier Grass in .

(PDF) Catalytic Intermediate Pyrolysis of Napier Grass in .

Catalytic Intermediate Pyrolysis of Napier Grass in a Fixed Bed Reactor with ZSM-5, HZSM-5 and Zinc-Exchanged Zeolite-A as the Catalyst Article (PDF Available) in Energies 9(4):246 · March 2016 .

Mohammed, Isah Yakub (2017) Pyrolysis of Napier grass .

Mohammed, Isah Yakub (2017) Pyrolysis of Napier grass .

2017-12-8 · Intermediate Pyrolysis of Napier Grass in a Fixed Bed Reactor with ZSM-5, HZSM-5 and Zinc-Exchanged Zeolite-A as the Catalyst" Energies 9 (4), 246. DOI: 10.3390/en9040246 8. Isah Yakub Mohammed, Yousif Abdalla Abakr, Feroz Kabir, Suzana Yusup (2015) "Effect of Aqueous Pretreatment on Pyrolysis Characteristics of Napier

Porosity–Acidity Interplay in Hierarchical ZSM‐5 Zeolites .

Porosity–Acidity Interplay in Hierarchical ZSM‐5 Zeolites .

Isah Mohammed, Feroz Kazi, Suzana Yusup, Peter Alaba, Yahaya Sani and Yousif Abakr, Catalytic Intermediate Pyrolysis of Napier Grass in a Fixed Bed Reactor with ZSM-5, HZSM-5 and Zinc-Exchanged Zeolite-A as the Catalyst, Energies, 9, 12, (246), (2016).

US9175235B2 - Torrefaction reduction of coke formation on .

US9175235B2 - Torrefaction reduction of coke formation on .

A bio-oil production process involving torrefaction pretreatment, catalytic esterification, pyrolysis, and secondary catalytic processing significantly reduces yields of reactor char, catalyst coke, and catalyst tar relative to the best-case conditions using non-torrefied feedstock. The reduction in coke as a result of torrefaction was 28.5% relative to the respective control for slow .

Transformation of Oxygenate Components of Biomass .

Transformation of Oxygenate Components of Biomass .

2019-5-25 · The catalytic transformation over a HZSM-5 zeolite of key components of the liquid product obtained by the flash pyrolysis of biomass, namely, acetaldehyde, ketones (acetone and butanone), and acetic acid, has been studied, and great differences in reactivity and degradation to coke have been found. Acetaldehyde has a low reactivity to hydrocarbons, with a noticeable deactivation caused by .

Crude oil to chemicals: light olefins from crude oil .

Crude oil to chemicals: light olefins from crude oil .

The stripped catalyst is then contacted with air in an upwards transport bed, being regenerated and brought back to the catalyst hopper. 187 Operating parameters were claimed as 540–650 °C reactor temperature, 5–15 catalyst to oil ratio, steam to hydrocarbon ratio 0.2–0.4, residence time in reactor .

Peter Alaba - Research Assistant - University of Malaya .

Peter Alaba - Research Assistant - University of Malaya .

Catalytic Intermediate Pyrolysis of Napier Grass in a Fixed Bed Reactor with ZSM-5, HZSM-5 and Zinc-Exchanged Zeolite-A as the Catalyst Energies March 21, 2016 The environmental impact from the use of fossil fuel cum depletion of the known fossil oil reserves has led to increasing interest in liquid biofuels made from renewable biomass.

Production and characterization of bio-oil from catalytic .

Production and characterization of bio-oil from catalytic .

Development of alternate energy sources is needed to fulfil the global energy demands that have been steadily increasing over time. Biomass provides a solution due to its abundant availability, high energy content, and multi-faceted usage. Pyrolyzing biomass produces syngas, bio-oil, and char with their ratio of formation depending on temperature, residence time, and, heating rate. Conducting .

Upgrading Of Wasteplasticsderived Heavy Oil Over Catalysts .

Upgrading Of Wasteplasticsderived Heavy Oil Over Catalysts .

2019-11-21 · A continuous-flow, fixed-bed reactor was utilized for the catalytic cracking of the heavy oil. Reactions were conducted under temperature conditions ranging from 300 to 600°C, at a catalyst weight W of about 1.0 x 10-3 kg and a feed oil mass flow rate F of about 1.0 x 10-3 kg h-1.

Catalytic Intermediate Pyrolysis of Napier Grass in a .

Catalytic Intermediate Pyrolysis of Napier Grass in a .

This study presents the first experimental report on the catalytic pyrolysis of Napier grass, an underutilized biomass source, using ZSM-5, 0.3HZSM-5 and zinc exchanged zeolite-A catalyst. Pyrolysis was conducted in fixed bed reactor at 600 °C, 30 °C/min and 7 L/min nitrogen flow rate.

Continuous pyrolysis and catalytic upgrading of corncob .

Continuous pyrolysis and catalytic upgrading of corncob .

2016-8-15 · The combined system includes an auger reactor and a downstream fixed-bed reactor. • USY and HZSM-5 (Si/Al = 25, 38) was evaluated for catalytic upgrading. • Strong acidity of porous zeolite was essential for catalytic deoxygenation. • Increase of bio-oil quality was at .

Energies | Free Full-Text | Catalytic Intermediate .

Energies | Free Full-Text | Catalytic Intermediate .

Catalytic Intermediate Pyrolysis of Napier Grass in a Fixed Bed Reactor with ZSM-5, HZSM-5 and Zinc-Exchanged Zeolite-A as the Catalyst by Isah Yakub Mohammed 1,6, Feroz Kabir Kazi 2, Suzana Yusup 3, Peter Adeniyi Alaba 5, Yahaya Muhammad Sani 5 and Yousif Abdalla Abakr 4,*

Catalytic conversion of lignin pyrolysis model compound .

Catalytic conversion of lignin pyrolysis model compound .

Lignin is the most difficult to be converted and most easy coking component in biomass catalytic pyrolysis to high-value liquid fuels and chemicals. Catalytic conversion of guaiacol as a lignin .

Counteracting Rapid Catalyst Deactivation by Concomitant .

Counteracting Rapid Catalyst Deactivation by Concomitant .

2020-7-16 · Counteracting Rapid Catalyst Deactivation by Concomitant Temperature Increase during Catalytic Upgrading of Biomass Pyrolysis Vapors Using Solid Acid Catalysts Andreas Eschenbacher Technical University of Denmark Alireza Saraeian Iowa State University, [email protected] Brent H. Shanks Iowa State University, [email protected]

Browse by CV - Sheffield Hallam University Research Archive

Browse by CV - Sheffield Hallam University Research Archive

Catalytic Intermediate Pyrolysis of Napier Grass in a Fixed Bed Reactor with ZSM-5, HZSM-5 and Zinc-Exchanged Zeolite-A as the Catalyst. Energies, 9 (4), p. 246. MOHAMMED, Isah, ABAKR, Yousif, KABIR, Feroz and YUSUP, Suzana (2015). Effect of aqueous pretreatment on pyrolysis .

Fast Pyroylysis of Polyolefin Waste over Cracking .

Fast Pyroylysis of Polyolefin Waste over Cracking .

Abstract A mixture of post-commercial polyolefin waste (PE/PP/PS) was pyrolyzed over various micro- and mesoporous catalysts using a fluidized-bed reactor operating isothermally at ambient pressure. The yield of volatile hydrocarbons with zeolitic nano-catalysts (n-ZSM-5 > n-MOR > n-USY) were higher than with non-zeolitic catalysts (MCM-41 > ASA). MCM-41 with large mesopores and ASA with .

Kinetics of hydrodeoxygenation of octanol over supported .

Kinetics of hydrodeoxygenation of octanol over supported .

First published on 28th August 2014. The hydrodeoxygenation (HDO) of 1-octanol as a model aliphatic alcohol of bio-oil was investigated in a continuous down-flow fixed-bed reactor over γ-Al 2 O 3, SiO 2, and HZSM-5 supported nickel catalysts in the temperature range of 488–533 K.The supported nickel catalysts were prepared by incipient wetness impregnation method and characterized by BET .

Catalytic upgrading of pyrolysis vapours over metal .

Catalytic upgrading of pyrolysis vapours over metal .

2018-9-1 · The main objective of the present work is to investigate the influence of nickel to cerium ratio on Hydrogen exchanged Zeolite Socony Mobil-5 (HZSM-5) towards the catalytic upgrading of sugarcane bagasse derived oxygenated pyrolysis vapours into C 6 – C 8 hydrocarbons in pyrolysis oil via in-situ fixed bed reactor. The pyrolysis reaction temperature and catalyst to biomass mass ratio were .

Direct carbon-carbon coupling of furanics with acetic acid .

Direct carbon-carbon coupling of furanics with acetic acid .

The acylation of 2-MF with acetic acid occurs over the same HZSM-5 catalyst at temperatures ranging from 220° to 300°C in an atmospheric pressure fixed-bed flow reactor. This reaction is exclusively selective to acetyl MF isomers over a broad range of temperatures. Conversions, selectivity, and yields for all the reactions are given in Fig .

Overview of Current and Future Perspectives of Saudi .

Overview of Current and Future Perspectives of Saudi .

1.1. Zeolite ZSM-5. The zeolite ZSM-5 is a synthetic 10-ring zeolite and the formula for describing the composition is . The ZSM-5 belongs to the group of pentasils, which can reach a Si/Al ratio of 10 to infinity. The high silicon content results in high thermal stability, hydrophobicity, and strength, but it leads to fewer active sites [18–20].

Effects of Coke Deposits on the Catalytic Performance of .

Effects of Coke Deposits on the Catalytic Performance of .

Fixed bed reactor testing with on‐line operando UV/Vis spectroscopy. Catalytic activity measurements were carried out in a quartz fixed‐bed reactor. Large zeolite ZSM‐5 crystals (25 mg) were loaded and activated at 550 °C under oxygen for 1 h and then cooled until the .

Isah Yakub Mohammed REngr, MNSE, MNSChE, - Lecturer .

Isah Yakub Mohammed REngr, MNSE, MNSChE, - Lecturer .

Catalytic Intermediate Pyrolysis of Napier Grass in a Fixed Bed Reactor with ZSM-5, HZSM-5 and Zinc-Exchanged Zeolite-A as the Catalyst Energies March 29, 2016. Other authors. See publication. 5. Synthesis and application of hierarchical mesoporous HZSM-5 for biodiesel production from shea butter