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A short review on informetric analysis and recent progress on contribution of ceria in Ni-based catalysts for enhanced catalytic CO methanation (2023)
Journal Article
Hatta, A., Jalil, A., Hassan, N., Hamid, M., Nabgan, W., Alhassan, M., …Firmansyah, M. (2023). A short review on informetric analysis and recent progress on contribution of ceria in Ni-based catalysts for enhanced catalytic CO methanation. Powder Technology, 417, Article 118246. https://doi.org/10.1016/j.powtec.2023.118246

Energy demand is rising, and the exhaustion of accessible energy sources is currently the greatest challenge. CO methanation has become a crucial reaction for the substituted natural gas production, necessitating a catalyst. Ceria is amongst the most... Read More about A short review on informetric analysis and recent progress on contribution of ceria in Ni-based catalysts for enhanced catalytic CO methanation.

Process design, simulation, and techno-economic analysis of integrated production of furfural and glucose derived from palm oil empty fruit bunches (2023)
Journal Article
Mohammed, M. Z. R., Ng, Z. W., Putranto, A., Kong, Z. Y., Sunarso, J., Aziz, M., …Butar, I. (2023). Process design, simulation, and techno-economic analysis of integrated production of furfural and glucose derived from palm oil empty fruit bunches. Clean Technologies and Environmental Policy, https://doi.org/10.1007/s10098-022-02454-3

This study aims to propose a new process design, simulation, and techno-economic analysis of an integrated process plant that produces glucose and furfural from palm oil empty fruit bunches (EFB). In this work, an Aspen Plus-based simulation has been... Read More about Process design, simulation, and techno-economic analysis of integrated production of furfural and glucose derived from palm oil empty fruit bunches.

Process design and techno-economic analysis of dual hydrogen and methanol production from plastics using energy integrated system (2022)
Journal Article
Al-Qadri, A. A., Ahmed, U., Jameel, A. G. A., Ahmad, N., Zahid, U., Zein, S. H., & Naqvi, S. R. (in press). Process design and techno-economic analysis of dual hydrogen and methanol production from plastics using energy integrated system. International Journal of Hydrogen Energy, https://doi.org/10.1016/j.ijhydene.2022.11.266

This study has been dedicated towards the conversion of plastics to methanol and hydrogen. The base design (case 1) represents the conventional design for producing syngas via steam gasification of waste plastics followed by CO2 and H₂S removal. The... Read More about Process design and techno-economic analysis of dual hydrogen and methanol production from plastics using energy integrated system.

Modelling and Simulation of Dissolution/Reprecipitation Technique for Low-Density Polyethene Using Solvent/Non-Solvent System (2022)
Journal Article
Zein, S. H., Hussain, A. A., Yansaneh, O. Y., & Jalil, A. A. (2022). Modelling and Simulation of Dissolution/Reprecipitation Technique for Low-Density Polyethene Using Solvent/Non-Solvent System. Processes, 10(11), Article 2387. https://doi.org/10.3390/pr10112387

The global production and consumption of plastics have continued to increase. Plastics degrade slowly, causing persistent environmental pollution Developed waste plastic recycling methods are discussed in this report, with a focus on the dissolution/... Read More about Modelling and Simulation of Dissolution/Reprecipitation Technique for Low-Density Polyethene Using Solvent/Non-Solvent System.

Process design and life cycle assessment of furfural and glucose co-production derived from palm oil empty fruit bunches (2022)
Journal Article
Ng, Z. W., Gan, H. X., Putranto, A., Akbar Rhamdhani, M., Zein, S. H., George, O. A., …Butar, I. (2022). Process design and life cycle assessment of furfural and glucose co-production derived from palm oil empty fruit bunches. Environment, Development and Sustainability, https://doi.org/10.1007/s10668-022-02633-8

In light of environmental issues, lignocellulosic empty fruit bunch (EFB) biomass is promoted as a carbon–neutral, environmentally friendly, and renewable alternative feedstock. A comprehensive environmental assessment of EFB biorefineries is critica... Read More about Process design and life cycle assessment of furfural and glucose co-production derived from palm oil empty fruit bunches.

Microwave-Assisted Hydrothermal Carbonisation of Waste Biomass: The Effect of Process Conditions on Hydrochar Properties (2022)
Journal Article
Holliday, M. C., Parsons, D. R., & Zein, S. H. (2022). Microwave-Assisted Hydrothermal Carbonisation of Waste Biomass: The Effect of Process Conditions on Hydrochar Properties. Processes, 10(9), Article 1756. https://doi.org/10.3390/pr10091756

Hydrochars are an alternative form of biochar produced by hydrothermal carbonisation (HTC), a potentially cheaper and greener method. In this paper, the effect of multiple variables on hydrochar properties was investigated. Waste biomass was converte... Read More about Microwave-Assisted Hydrothermal Carbonisation of Waste Biomass: The Effect of Process Conditions on Hydrochar Properties.

Techno-Economic Analysis and Feasibility of Industrial-Scale Activated Carbon Production from Agricultural Pea Waste Using Microwave-Assisted Pyrolysis: A Circular Economy Approach (2022)
Journal Article
Zein, S. H., & Antony, A. (2022). Techno-Economic Analysis and Feasibility of Industrial-Scale Activated Carbon Production from Agricultural Pea Waste Using Microwave-Assisted Pyrolysis: A Circular Economy Approach. Processes, 10(9), Article 1702. https://doi.org/10.3390/pr10091702

This paper examines a novel approach to activated carbon (AC) production that uses pea waste (PW) and to what extent it is economically competitive with current production methods. Additionally, the outcome is to provide a detailed economic analysis... Read More about Techno-Economic Analysis and Feasibility of Industrial-Scale Activated Carbon Production from Agricultural Pea Waste Using Microwave-Assisted Pyrolysis: A Circular Economy Approach.

Waste Plastic Thermal Pyrolysis: A Recent Advanced Study (2022)
Book Chapter
Yansaneh, O. Y., & Zein, S. H. (2022). Waste Plastic Thermal Pyrolysis: A Recent Advanced Study. In G. Bucci (Ed.), Current Overview on Science and Technology Research Vol. 1 (1-36). Hooghly, West Bengal: Book Publisher International. https://doi.org/10.9734/bpi/costr/v1/2637b

This work is essentially a simplification of a collection of thermal pyrolysis research work, mostly recent, being reviewed and referenced here, and showcasing the increased interest in pyrolysis treatment methods. The management of waste plastic (WP... Read More about Waste Plastic Thermal Pyrolysis: A Recent Advanced Study.

Pyrolysis of High-Density Polyethylene Waste Plastic to Liquid Fuels—Modelling and Economic Analysis (2022)
Journal Article
Zein, S. H., Grogan, C. T., Yansaneh, O. Y., & Putranto, A. (2022). Pyrolysis of High-Density Polyethylene Waste Plastic to Liquid Fuels—Modelling and Economic Analysis. Processes, 10(8), Article 1503. https://doi.org/10.3390/pr10081503

Recycling of waste plastics has become vital due to the threat to the environment the huge piles of those wastes represent, with research revealing High-Density Polyethylene (HDPEs) as the most dominant waste plastics. Because of their dominance and... Read More about Pyrolysis of High-Density Polyethylene Waste Plastic to Liquid Fuels—Modelling and Economic Analysis.

Agricultural Pea Waste as a Low-Cost Pollutant Biosorbent for Methylene Blue Removal: Adsorption Kinetics, Isotherm And Thermodynamic Studies (2022)
Journal Article
Holliday, M. C., Parsons, D. R., & Zein, S. H. (2022). Agricultural Pea Waste as a Low-Cost Pollutant Biosorbent for Methylene Blue Removal: Adsorption Kinetics, Isotherm And Thermodynamic Studies. Biomass Conversion and Biorefinery, https://doi.org/10.1007/s13399-022-02865-8

Biosorbents are an alternative pollutant adsorbent, usually sourced from waste biomass and requiring little to no treatment. This makes them cheaper than conventional adsorbents. In this paper, green pea (Pisum sativum) haulm was used as a biosorbent... Read More about Agricultural Pea Waste as a Low-Cost Pollutant Biosorbent for Methylene Blue Removal: Adsorption Kinetics, Isotherm And Thermodynamic Studies.

Industrial-Scale Activated Carbon Production from Agricultural Pea Waste: A Techno-Economic and Feasibility Study (2022)
Book Chapter
Zein, S. H., & Antony, A. (2022). Industrial-Scale Activated Carbon Production from Agricultural Pea Waste: A Techno-Economic and Feasibility Study. In R. Pullabhotla (Ed.), Prime Archives in Chemistry. (2nd ed.). Hyderabad: Vide Leaf. https://doi.org/10.37247/pachem2ed.2.22.27

This paper examines a novel approach to activated carbon (AC) production that uses pea waste (PW) and to what extent it is economically competitive with current production methods. Additionally, the outcome is to provide a detailed economic analy... Read More about Industrial-Scale Activated Carbon Production from Agricultural Pea Waste: A Techno-Economic and Feasibility Study.

Latest Advances in Waste Plastic Pyrolytic Catalysis (2022)
Journal Article
Yansaneh, O. Y., & Zein, S. H. (2022). Latest Advances in Waste Plastic Pyrolytic Catalysis. Processes, 10(4), Article 683. https://doi.org/10.3390/pr10040683

With the increase in demand for plastic use, waste plastic (WP) management remains a challenge in the contemporary world due to the lack of sustainable efforts to tackle it. The increment in WPs is proportional to man’s demand and use of plastics, an... Read More about Latest Advances in Waste Plastic Pyrolytic Catalysis.

Recent Advances on Waste Plastic Thermal Pyrolysis: A Critical Overview (2022)
Journal Article
Yansaneh, O. Y., & Zein, S. H. (2022). Recent Advances on Waste Plastic Thermal Pyrolysis: A Critical Overview. Processes, 10(2), Article 332. https://doi.org/10.3390/pr10020332

Post-consumer plastic management, otherwise termed waste plastic (WP) management, is a great challenge in today’s world, mainly because of its characteristic biodegradation properties. The quantity of waste plastics correspondingly increases with the... Read More about Recent Advances on Waste Plastic Thermal Pyrolysis: A Critical Overview.

Techno-economic analysis and feasibility of industrial-scale biodiesel production from spent coffee grounds (2021)
Journal Article
Thoppil, Y., & Zein, S. H. (2021). Techno-economic analysis and feasibility of industrial-scale biodiesel production from spent coffee grounds. Journal of cleaner production, 307, Article 127113. https://doi.org/10.1016/j.jclepro.2021.127113

The depletion of the overall provision of crude oil has contributed to the penury for replacing diesel inside the tape drive industry to mitigate their impact. The purpose of the study is to perform an economic analysis to key out the viability of de... Read More about Techno-economic analysis and feasibility of industrial-scale biodiesel production from spent coffee grounds.

A circular economy approach for industrial scale biodiesel production from palm oil mill effluent using microwave heating: Design, simulation, techno-economic analysis and location comparison (2021)
Journal Article
Waudby, H., & Zein, S. H. (2021). A circular economy approach for industrial scale biodiesel production from palm oil mill effluent using microwave heating: Design, simulation, techno-economic analysis and location comparison. Process Safety and Environmental Protection, 148, 1006-1018. https://doi.org/10.1016/j.psep.2021.02.011

This paper examines a green approach to produce industrial-scale biodiesel from a palm oil mill effluent (POME) using Microwave Heating. Kinetic data were determined for this reaction and implemented into the Aspen HYSYS simulation software to produc... Read More about A circular economy approach for industrial scale biodiesel production from palm oil mill effluent using microwave heating: Design, simulation, techno-economic analysis and location comparison.

Electrochemical quantification of D-glucose during the production of bioethanol from thermo-mechanically pre-treated wheat straw (2021)
Journal Article
Ward, R. A., Charlton, A., Welham, K. J., Baker, P., Zein, S. H., Tomkinson, J., …Wadhawan, J. D. (2021). Electrochemical quantification of D-glucose during the production of bioethanol from thermo-mechanically pre-treated wheat straw. Electrochemistry communications, 124, Article 106942. https://doi.org/10.1016/j.elecom.2021.106942

Mechanical pre-treatment (disc refining) of wheat straw, at both atmospheric and elevated pressure, is shown to be an efficient process to access fermentable monosaccharides, with the potential to integrate within the infrastructure of existing first... Read More about Electrochemical quantification of D-glucose during the production of bioethanol from thermo-mechanically pre-treated wheat straw.

Esterification of residual palm oil using solid acid catalyst derived from rice husk (2020)
Journal Article
Semilin, V., Balan, W. S., Janaun, J., Chung, C. H., Zhu, Z., Haywood, S. K., …Zein, S. H. (2021). Esterification of residual palm oil using solid acid catalyst derived from rice husk. Journal of hazardous materials, 404(Part B), Article 124092. https://doi.org/10.1016/j.jhazmat.2020.124092

In this study, carbon-silica based acid catalysts derived from rice husks (RH) were successfully synthesised using microwave (MW) technology. The results showed that MW sulphonation produced Sulphur (S) content of 17.2–18.5 times higher than in raw R... Read More about Esterification of residual palm oil using solid acid catalyst derived from rice husk.

Recovery of oil from palm oil mill effluent using polypropylene micro/nanofiber (2020)
Journal Article
Semilin, V., Janaun, J., Chung, C. H., Touhami, D., Haywood, S. K., Chong, K. P., …Zein, S. H. (2021). Recovery of oil from palm oil mill effluent using polypropylene micro/nanofiber. Journal of hazardous materials, 404, Article 124144. https://doi.org/10.1016/j.jhazmat.2020.124144

Residual palm oil that goes into the river untreated can become detrimental to the environment. Residual oil discharge during milling process into palm oil mill effluent (POME) is unavoidable. About 1 wt% of residual oil in POME causes major problems... Read More about Recovery of oil from palm oil mill effluent using polypropylene micro/nanofiber.

Single-Step extraction-esterification process to produce Biodiesel from Palm Oil Mill Effluent (POME) using microwave heating: a circular economy approach to making use of a difficult waste product. (2020)
Journal Article
Davies, E., Deutz, P., & Zein, S. H. (in press). Single-Step extraction-esterification process to produce Biodiesel from Palm Oil Mill Effluent (POME) using microwave heating: a circular economy approach to making use of a difficult waste product. Biomass Conversion and Biorefinery, https://doi.org/10.1007/s13399-020-00856-1

This investigation explores single step biodiesel synthesis using Palm Oil Mill Effluent (POME) as a feedstock. Normally considered a waste product from the extraction process of palm oil, POME treatment is difficult and can cause significant environ... Read More about Single-Step extraction-esterification process to produce Biodiesel from Palm Oil Mill Effluent (POME) using microwave heating: a circular economy approach to making use of a difficult waste product..