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27 Results Found

  • Article
  • Open Access
1,872 Views
17 Pages

10 June 2025

At the steelmaking temperature, carbon has a strong deoxidation ability. Under the vacuum condition, its deoxidation ability can be further improved, and it can become a stronger deoxidation element than aluminum. The product of carbon deoxygenation...

  • Article
  • Open Access
41 Citations
5,475 Views
15 Pages

Catalytic Conversion of Palm Oil to Bio-Hydrogenated Diesel over Novel N-Doped Activated Carbon Supported Pt Nanoparticles

  • Wei Jin,
  • Laura Pastor-Pérez,
  • Juan J. Villora-Pico,
  • Mercedes M. Pastor-Blas,
  • Antonio Sepúlveda-Escribano,
  • Sai Gu,
  • Nikolaos D. Charisiou,
  • Kyriakos Papageridis,
  • Maria A. Goula and
  • Tomas R. Reina

26 December 2019

Bio-hydrogenated diesel (BHD), derived from vegetable oil via hydrotreating technology, is a promising alternative transportation fuel to replace nonsustainable petroleum diesel. In this work, a novel Pt-based catalyst supported on N-doped activated...

  • Article
  • Open Access
5 Citations
6,930 Views
15 Pages

Applicability of Atmospheric Pressure Plasma Jet (APPJ) Discharge for the Reduction in Graphene Oxide Films and Synthesis of Carbon Nanomaterials

  • Sri Hari Bharath Vinoth Kumar,
  • Josefa Ibaceta-Jaña,
  • Natalia Maticuic,
  • Krystian Kowiorski,
  • Matthias Zelt,
  • Ulrich Gernert,
  • Ludwika Lipińska,
  • Bernd Szyszka,
  • Rutger Schlatmann and
  • Ruslan Muydinov
  • + 1 author

14 October 2021

Atmospheric pressure plasma jets (APPJ) are widely used in industry for surface cleaning and chemical modification. In the recent past, they have gained more scientific attention especially in the processing of carbon nanomaterials. In this work, a n...

  • Article
  • Open Access
14 Citations
6,335 Views
10 Pages

Synthesis of Renewable Diesel Range Alkanes by Hydrodeoxygenation of Palmitic Acid over 5% Ni/CNTs under Mild Conditions

  • Yanan Duan,
  • Ranran Ding,
  • Yanchun Shi,
  • Xiao Fang,
  • Husheng Hu,
  • Mingde Yang and
  • Yulong Wu

9 March 2017

Recently, the catalytic upgrading of bio-oil to renewable diesel has been attracting more and more attention. In the current paper, carbon nanotube (CNT)-supported nickel catalysts, namely, 5% Ni/CNTs, were prepared for liquid hydrocarbon production...

  • Review
  • Open Access
74 Citations
7,686 Views
25 Pages

A Review on Thermal Conversion of Plant Oil (Edible and Inedible) into Green Fuel Using Carbon-Based Nanocatalyst

  • G. Abdulkareem-Alsultan,
  • N. Asikin-Mijan,
  • H. V. Lee,
  • Umer Rashid,
  • Aminul Islam and
  • Y. H. Taufiq-Yap

10 April 2019

Renewable diesels (e.g., biodiesel and green diesel) have emerged as a sustainable alternative to petrodiesel as a means of meeting the growing demand for fuel without damaging the environment. Although renewable diesels are composed of different che...

  • Article
  • Open Access
1 Citations
3,843 Views
19 Pages

Synthesis and Characterization of Iron-Based Catalysts for Carbon Dioxide Valorization

  • Alexandra Bakratsa,
  • Vasiliki Zacharopoulou,
  • George Karagiannakis,
  • Vasileios Zaspalis and
  • Georgia Kastrinaki

6 June 2024

The extensive release of carbon dioxide (CO2) into the atmosphere is associated with the detrimental impacts of the global environmental crisis. Consequently, the valorization of CO2 from industrial processes holds great significance. Transforming CO...

  • Article
  • Open Access
6 Citations
2,839 Views
35 Pages

2 October 2022

Microalgae is one of the most important sources of green hydrocarbons because it contains a high percentage of lipids and is likely to reduce reliance on fossil fuels. Several zeolite-based catalysts have a short lifetime due to coke-formation deacti...

  • Review
  • Open Access
1,386 Views
18 Pages

10 October 2025

To address the greenhouse effect and environmental pollution stemming from fossil fuels, the development of new energy sources is widely regarded as a critical pathway toward achieving carbon neutrality. Microalgae, as a feedstock for third-generatio...

  • Article
  • Open Access
1 Citations
3,780 Views
21 Pages

Simulation of Organic Liquid Product Deoxygenation through Multistage Countercurrent Absorber/Stripping Using CO2 as Solvent with Aspen-HYSYS: Process Modeling and Simulation

  • Manoel Raimundo dos Santos Junior,
  • Elinéia Castro Costa,
  • Caio Campos Ferreira,
  • Lucas Pinto Bernar,
  • Marcilene Paiva da Silva,
  • Andréia de Andrade Mâncio,
  • Marcelo Costa Santos,
  • Sílvio Alex Pereira da Mota,
  • Douglas Alberto Rocha de Castro and
  • Nélio Teixeira Machado
  • + 3 authors

29 March 2022

In this work, the deoxygenation of organic liquid products (OLP) obtained through the thermal catalytic cracking of palm oil at 450 °C, 1.0 atmosphere, with 10% (wt.) Na2CO3 as a catalyst, in multistage countercurrent absorber columns using super...

  • Article
  • Open Access
14 Citations
2,897 Views
10 Pages

Metallic Supports Accelerate Carbonization and Improve Morphological Stability of Polyacrylonitrile Nanofibers during Heat Treatment

  • Jan Lukas Storck,
  • Christian Hellert,
  • Bennet Brockhagen,
  • Martin Wortmann,
  • Elise Diestelhorst,
  • Natalie Frese,
  • Timo Grothe and
  • Andrea Ehrmann

19 August 2021

Electrospun poly(acrylonitrile) (PAN) nanofibers are typical precursors of carbon nanofibers. During stabilization and carbonization, however, the morphology of pristine PAN nanofibers is not retained if the as-spun nanofiber mats are treated without...

  • Review
  • Open Access
17 Citations
9,511 Views
27 Pages

14 July 2024

The significance and challenges of hydrotreatment processes for vegetable oils have recently become apparent, encompassing various reactions like decarbonylation, decarboxylation, and hydrogenation. Heterogeneous noble or transition metal catalysts p...

  • Article
  • Open Access
8 Citations
2,909 Views
15 Pages

9 May 2023

Hydrodeoxygenation (HDO) is one of the most promising approaches to upgrading pyrolysis oils, but this process normally operates over expensive noble metal catalysts (e.g., Ru/C, Pt/Al2O3) under high-pressure hydrogen gas, which raises processing cos...

  • Review
  • Open Access
99 Citations
23,880 Views
24 Pages

Review on Biomass Pyrolysis with a Focus on Bio-Oil Upgrading Techniques

  • Daniel Lachos-Perez,
  • João Cláudio Martins-Vieira,
  • Juliano Missau,
  • Kumari Anshu,
  • Odiri K. Siakpebru,
  • Sonal K. Thengane,
  • Ana Rita C. Morais,
  • Eduardo Hiromitsu Tanabe and
  • Daniel Assumpção Bertuol

20 May 2023

This review provides insights into the current research on pyrolytic bio-oil obtained from different feedstock regarding upgrading techniques and applications such as energy, fuels, chemicals, and carbon materials. Raw bio-oil is not appropriate for...

  • Article
  • Open Access
8 Citations
3,094 Views
18 Pages

Hydrothermal Liquefaction Biocrude Stabilization via Hydrotreatment

  • Athanasios Dimitriadis and
  • Stella Bezergianni

16 March 2024

The main objective of the manuscript is to investigate mild hydrotreatment upgrading of hydrothermal liquefaction biocrude to improve its stability and energy content. To that end, biocrude hydrotreatment was performed, exploring three different oper...

  • Review
  • Open Access
10 Citations
5,943 Views
29 Pages

16 September 2021

The concomitant hydrolysis and dehydration of biomass-derived cellulose and hemicellulose to furfural (FUR) and 5-(hydroxymethyl)furfural (HMF) under acid catalysis allows a dramatic reduction in the oxygen content of the parent sugar molecules with...

  • Feature Paper
  • Review
  • Open Access
174 Citations
17,928 Views
31 Pages

8 July 2020

Pyrolysis process has been considered to be an efficient approach for valorization of lignocellulosic biomass into bio-oil and value-added chemicals. Bio-oil refers to biomass pyrolysis liquid, which contains alkanes, aromatic compounds, phenol deriv...

  • Article
  • Open Access
16 Citations
3,886 Views
15 Pages

Bio-Crude Production from Protein-Extracted Grass Residue through Hydrothermal Liquefaction

  • Saqib Sohail Toor,
  • Ayaz Ali Shah,
  • Kamaldeep Sharma,
  • Tahir Hussain Seehar,
  • Thomas Helmer Pedersen and
  • Lasse Aistrup Rosendahl

5 January 2022

In the present study, the protein-extracted grass residue (press cake) was processed through hydrothermal liquefaction under sub and supercritical temperatures (300, 350 and 400 °C) with and without using a potassium carbonate catalyst. The resul...

  • Project Report
  • Open Access
16 Citations
4,717 Views
12 Pages

Production of Biodiesel from Waste Cooking Oil via Deoxygenation Using Ni-Mo/Ac Catalyst

  • Nor Shafinaz Azman,
  • Tengku Sharifah Marliza,
  • Nurul Asikin Mijan,
  • Taufiq Yap Yun Hin and
  • Nozieana Khairuddin

23 April 2021

Waste cooking oil (WCO) from palm oil is one of the most prospective biodiesel feedstock when compared to other oil seeds. Thus, WCO has great potential as a green source of diesel fuel for engines in motor vehicles and machinery. This project aimed...

  • Article
  • Open Access
12 Citations
5,060 Views
14 Pages

Performance and Exhaust Emissions of a Gas-Turbine Engine Fueled with Biojet/Jet A-1 Blends for the Development of Aviation Biofuel in Tropical Regions

  • Iman K. Reksowardojo,
  • Long H. Duong,
  • Rais Zain,
  • Firman Hartono,
  • Septhian Marno,
  • Wawan Rustyawan,
  • Nelliza Putri,
  • Wisasurya Jatiwiramurti and
  • Bayu Prabowo

13 December 2020

Biofuels as alternative fuels in today’s world are becoming increasingly important for the reduction of greenhouse gases. Here, we present and evaluate the potential of a new alternative fuel based on the conversion of medium-chain fatty acids...

  • Article
  • Open Access
12 Citations
2,792 Views
15 Pages

22 January 2023

The products generated from a fixed bed pyrolysis unit of solid waste materials were quantitatively characterized, and their energy potential was determined, in order to evaluate their suitability as energy sources. An elemental analyzer, a bomb calo...

  • Article
  • Open Access
8 Citations
2,311 Views
34 Pages

25 October 2022

Despite the extensive research into the catalytic uses of zeolite-based catalysts, these catalysts have a limited useful lifetime because of the deactivating effect of coke production. This study looks at the use of Cerium (Ce) loaded HZSM-5 zeolite...

  • Feature Paper
  • Article
  • Open Access
2 Citations
1,825 Views
19 Pages

23 December 2024

Lignin is considered a renewable source for the production of valuable aromatic chemicals and liquid fuel. Solvent depolymerization of lignin is a fruitful strategy for the valorization of lignin. However, Kraft lignin is highly prone to produce char...

  • Article
  • Open Access
984 Views
19 Pages

31 October 2025

The growing demand for air connectivity, coupled with the forecasted increase in passengers by 2040, implies an exigency in the aviation sector to adopt sustainable approaches for net zero emission by 2050. Sustainable Aviation Fuel (SAF) is currentl...

  • Article
  • Open Access
1,133 Views
17 Pages

Integrated Transcriptome and Metabolome Analysis Reveals Candidate Genes and Regulatory Pathways Shaping Duck Meat Color

  • Shuaixue Jiang,
  • Zhao Yang,
  • Yinjuan Lu,
  • Tao Zhang,
  • Mengru Xu,
  • Xu Han,
  • Qiuyu Tao,
  • Yuan Bai,
  • Xinxin He and
  • Hehe Liu
  • + 6 authors

Meat color is the most intuitive measure of meat quality and has a significant impact on consumer preference. To explore the molecular mechanisms affecting duck pectoralis meat color, the phenotypic traits of Cherry Valley duck (CV, eight males and e...

  • Article
  • Open Access
32 Citations
4,683 Views
12 Pages

Impact of CO2 on Pyrolysis Products of Bituminous Coal and Platanus Sawdust

  • Ying Luo,
  • Haoxi Ben,
  • Zhihong Wu,
  • Kai Nie,
  • Guangting Han and
  • Wei Jiang

20 August 2019

Abundant studies have been completed about factors on the pyrolysis of coal and biomass. However, few articles laid emphasis on using CO2 as a carrier gas to explore the compositional changes of pyrolysis products in coal and biomass pyrolysis for in...

  • Article
  • Open Access
7 Citations
2,574 Views
14 Pages

25 April 2021

This study used the subcritical hydrothermal liquefaction technique (SHLT) in the co- liquefaction of process rejects at a wastepaper-based paper mill (PRWPM) and waste soybean oil (WSO) for the production of biofuels and bio-char material. PRWPM emi...

  • Article
  • Open Access
5 Citations
3,419 Views
21 Pages

27 September 2024

Bio-oil produced via fast pyrolysis, irrespective of the biomass source, faces several limitations, such as high water content, significant oxygenated compound concentration (35–40 wt.%), a low heating value (13–20 MJ/kg), and poor miscib...