Hanmin Yang
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View article: Bromine Transformation during Catalytic Pyrolysis of Waste Electronic Circuit Boards (WECBs) in an Auger Reactor over the Dual-Catalyst HZSM-5/CaO
Bromine Transformation during Catalytic Pyrolysis of Waste Electronic Circuit Boards (WECBs) in an Auger Reactor over the Dual-Catalyst HZSM-5/CaO Open
View article: Physicochemical properties and stability characterization of reconstructed oil body emulsion and the mechanism of demulsification by heptanoic acid during the aqueous enzymatic extraction
Physicochemical properties and stability characterization of reconstructed oil body emulsion and the mechanism of demulsification by heptanoic acid during the aqueous enzymatic extraction Open
View article: Enhanced Aromatic Yield from WEEE via Ex Situ Catalytic Pyrolysis: A Comparative Study of HZSM-5, Fe/HZSM-5, and CaO Catalysts in Single and Dual Modes
Enhanced Aromatic Yield from WEEE via Ex Situ Catalytic Pyrolysis: A Comparative Study of HZSM-5, Fe/HZSM-5, and CaO Catalysts in Single and Dual Modes Open
This study investigated an efficient catalyst configuration to enhance the recycling of waste electrical and electronic equipment (WEEE) fractions into aromatic hydrocarbons. Two engineered WEEE fractions, low-grade (LGEW) and medium-grade…
View article: Development of biomass pyrolysis bio-oil as a renewable surface engineering agent for bio-based hard carbon production
Development of biomass pyrolysis bio-oil as a renewable surface engineering agent for bio-based hard carbon production Open
View article: The Optimization of Demulsification Using Composite Fatty Acids in Aqueous Enzymatic Extraction and the Changes of the Emulsion Stability During Demulsification
The Optimization of Demulsification Using Composite Fatty Acids in Aqueous Enzymatic Extraction and the Changes of the Emulsion Stability During Demulsification Open
Aqueous enzymatic extraction (AEE) can simultaneously separate oil and protein. However, a stable O/W emulsion is present in the AEE process, which is not favorable for extracting oils. This study optimized the use of heptanoic and octanoi…
View article: Sustainable production of bio-based epoxy resins using the phenolics produced via atmospheric ex-situ catalytic hydropyrolysis of biomass
Sustainable production of bio-based epoxy resins using the phenolics produced via atmospheric ex-situ catalytic hydropyrolysis of biomass Open
View article: Physicochemical Properties and Stability Characterization of Reconstructed Oil Body Emulsion and the Mechanism of Demulsification by Heptanoic Acid During the Aqueous Enzymatic Extraction
Physicochemical Properties and Stability Characterization of Reconstructed Oil Body Emulsion and the Mechanism of Demulsification by Heptanoic Acid During the Aqueous Enzymatic Extraction Open
View article: Physicochemical Properties and Stability Characterization of Reconstructed Oil Body Emulsion and the Mechanism of Demulsification by Heptanoic Acid During the Aqueous Enzymatic Extraction
Physicochemical Properties and Stability Characterization of Reconstructed Oil Body Emulsion and the Mechanism of Demulsification by Heptanoic Acid During the Aqueous Enzymatic Extraction Open
View article: Distributed electrified heating for efficient hydrogen production
Distributed electrified heating for efficient hydrogen production Open
This study introduces a distributed electrified heating approach that is able to innovate chemical engineering involving endothermic reactions. It enables rapid and uniform heating of gaseous reactants, facilitating efficient conversion an…
View article: Performance analysis and production of aromatics for ex situ catalytic pyrolysis of engineered WEEE
Performance analysis and production of aromatics for ex situ catalytic pyrolysis of engineered WEEE Open
Ex situ catalytic pyrolysis of engineered waste electrical and electronic equipment (WEEE) was conducted in a two-stage reactor using HZSM-5 catalyst. The effect of the catalysis temperature and the catalyst-to-feedstock (C/F) ratio on pro…
View article: Bio-based anode material production for lithium–ion batteries through catalytic graphitization of biochar: the deployment of hybrid catalysts
Bio-based anode material production for lithium–ion batteries through catalytic graphitization of biochar: the deployment of hybrid catalysts Open
View article: Carbon-negative valorization of biomass waste into affordable green hydrogen and battery anodes
Carbon-negative valorization of biomass waste into affordable green hydrogen and battery anodes Open
View article: Advanced application of a geometry-enhanced 3D-printed catalytic reformer for syngas production
Advanced application of a geometry-enhanced 3D-printed catalytic reformer for syngas production Open
Catalyst research on reforming processes for syngas production has mainly focused on the active metals and support materials, while the effect of the catalyst's geometry on the reforming reactions has been poorly studied. The application o…
View article: Carbon and H2 recoveries from plastic waste by using a metal-free porous biocarbon catalyst
Carbon and H2 recoveries from plastic waste by using a metal-free porous biocarbon catalyst Open
Carbon and H2 recoveries from plastic waste enable high value-added utilizations of plastic waste while minimizing its GHG emissions. The objective of this study is to explore the use of a metal-free biocarbon catalyst for waste plastic py…
View article: Evaluation of Engineered Biochar-Based Catalysts for Syngas Production in a Biomass Pyrolysis and Catalytic Reforming Process
Evaluation of Engineered Biochar-Based Catalysts for Syngas Production in a Biomass Pyrolysis and Catalytic Reforming Process Open
Biochar, originating from biomass pyrolysis, has been proven a promising catalyst for tar cracking/reforming with great coke resistance. This work aims to evaluate various engineered biochar-based catalysts on syngas production in a biomas…
View article: From Waste Biomass to Hard Carbon Anodes: Predicting the Relationship between Biomass Processing Parameters and Performance of Hard Carbons in Sodium-Ion Batteries
From Waste Biomass to Hard Carbon Anodes: Predicting the Relationship between Biomass Processing Parameters and Performance of Hard Carbons in Sodium-Ion Batteries Open
Sodium-ion batteries (SIBs) serve as the most promising next-generation commercial batteries besides lithium-ion batteries (LIBs). Hard carbon (HC) from renewable biomass resources is the most commonly used anode material in SIBs. In this …
View article: Applications of Hydrochar and Charcoal in the Iron and Steelmaking Industry—Part 1: Characterization of Carbonaceous Materials
Applications of Hydrochar and Charcoal in the Iron and Steelmaking Industry—Part 1: Characterization of Carbonaceous Materials Open
The iron and steelmaking industry faces the dilemma of the need to decrease their greenhouse gas emissions to align with decarbonization goals, while at the same time fulfill the increasing steel demand from the growing population. Replaci…
View article: High-purity syngas production by cascaded catalytic reforming of biomass pyrolysis vapors
High-purity syngas production by cascaded catalytic reforming of biomass pyrolysis vapors Open
A novel pyrolysis followed by in-line cascaded catalytic reforming process without additional steam was developed to produce high-purity syngas from woody biomass. The key to the proposed process is the construction of a cascaded biochar +…
View article: Influence of the porosity and acidic properties of aluminosilicate catalysts on coke formation during the catalytic pyrolysis of lignin
Influence of the porosity and acidic properties of aluminosilicate catalysts on coke formation during the catalytic pyrolysis of lignin Open
Five aluminosilicate catalysts with different textural and acidic properties are used to study the influence of their acidic and porous properties on the coke formation during the fast catalytic pyrolysis of lignin. The competition between…
View article: Renewable hydrogen production from the organic fraction of municipal solid waste through a novel carbon-negative process concept
Renewable hydrogen production from the organic fraction of municipal solid waste through a novel carbon-negative process concept Open
Bioenergy with carbon capture and storage (BECCS) is one of the prevailing negative carbon emission technologies. Ensuring a hydrogen economy is essential to achieving the carbon-neutral goal. In this regard, the present study contributed …
View article: Influence of the Porosity and Acidic Properties of Aluminosilicate Catalysts on Coke Formation During the Catalytic Pyrolysis of Lignin
Influence of the Porosity and Acidic Properties of Aluminosilicate Catalysts on Coke Formation During the Catalytic Pyrolysis of Lignin Open
View article: In situ catalytic fast pyrolysis of lignin over biochar and activated carbon derived from the identical process
In situ catalytic fast pyrolysis of lignin over biochar and activated carbon derived from the identical process Open
In this study, a sustainable in situ catalytic fast pyrolysis (CFP) of lignin was developed by using biochar and activated carbon (AC) as catalysts, which is derived from the same CFP of lignin process. The results showed that using biocha…