Toshiaki Yoshioka
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View article: Efficient synthesis of ethylene urea from carbon dioxide containing titanium–zirconium–cerium mixed oxides
Efficient synthesis of ethylene urea from carbon dioxide containing titanium–zirconium–cerium mixed oxides Open
View article: Application of Pyrolysis-Gas Chromatography in the Development of Organic Carbon Resource Utilization Processes
Application of Pyrolysis-Gas Chromatography in the Development of Organic Carbon Resource Utilization Processes Open
View article: Impact of antioxidant addition on the thermal decomposition behavior of polyisoprene rubber during low-temperature pyrolysis
Impact of antioxidant addition on the thermal decomposition behavior of polyisoprene rubber during low-temperature pyrolysis Open
View article: Novel binary Ti-Zr, Ti-Ce, and Zr-Ce oxides as dual-function adsorbents and reaction accelerators for CO₂ capture and ethylene urea synthesis
Novel binary Ti-Zr, Ti-Ce, and Zr-Ce oxides as dual-function adsorbents and reaction accelerators for CO₂ capture and ethylene urea synthesis Open
View article: Experimental and ReaxFF MD study on the thermo-oxidative behavior of polyether ether ketone
Experimental and ReaxFF MD study on the thermo-oxidative behavior of polyether ether ketone Open
View article: Pyrolysis Characteristics of Tire Rubber at Low Temperatures
Pyrolysis Characteristics of Tire Rubber at Low Temperatures Open
Pyrolysis of used tires is a promising method for recovering valuable chemicals. However, the conventional high-temperature pyrolysis of natural rubber (polyisoprene)-based tires suffers from a low-selective isoprene recovery, heavy carbon…
View article: Enhancement of liquid/gas production during co-pyrolysis of vacuum residue and plastics due to synergistic interactions
Enhancement of liquid/gas production during co-pyrolysis of vacuum residue and plastics due to synergistic interactions Open
Vacuum residue (VR) was copyrolysed with polyethylene (PE) or polystyrene (PS) in a batch reactor to investigate the corresponding synergistic pyrolytic interactions. The synergistic interactions between VR and plastic pyrolysates enhanced…
View article: Collectability and Recyclability of Plastic Waste Aimed at Circumstance-adapted Resource Circulation
Collectability and Recyclability of Plastic Waste Aimed at Circumstance-adapted Resource Circulation Open
View article: Selective recovery of pyrolyzates of biodegradable (PLA, PHBH) and common plastics (HDPE, PP, PS) during co-pyrolysis under slow heating
Selective recovery of pyrolyzates of biodegradable (PLA, PHBH) and common plastics (HDPE, PP, PS) during co-pyrolysis under slow heating Open
View article: Synthesis of ethylene urea using carbon-dioxide-adsorbed titanium–zirconium mixed oxides
Synthesis of ethylene urea using carbon-dioxide-adsorbed titanium–zirconium mixed oxides Open
To address the increasing global levels of CO2 emissions, it is necessary to develop efficient strategies that can convert CO2 into useful chemicals such as carbonates, ureas, and carbamates. Hybrid systems that combine direct capture and …
View article: Development of Pyrolysis-Gas Chromatograph/Multi-detector
Development of Pyrolysis-Gas Chromatograph/Multi-detector Open
廃プラスチックやバイオマス等の有機炭素資源を化学原料・燃料に転換する熱分解プロセスを効果的に開発するために,熱分解条件を高効率にスクリーニングすることが求められる.本研究は,GCに直接搭載可能な小型熱分解装置(パイロライザー),GC,2種類のカラム,ガス切替装置,複数の検出装置(MS,FID及びTCD)及びメタナイザーを組み合わせた,熱分解─ガスクロマトグラフ/マルチ検出器(Py-GC/マルチ検出器)を開発した.本装置により,熱分解試験から多岐に渡る熱分解生成物の定性・定量…
View article: Investigating the degradation and products of thermo-oxidation of polyimide-based engineering plastics
Investigating the degradation and products of thermo-oxidation of polyimide-based engineering plastics Open
With the ever-growing concern regarding plastic waste and its impact on the environment, understanding the degradation pathways of polyimide (PI)-based plastics becomes increasingly crucial for developing sustainable waste management strat…
View article: Feedstock recycling of waste plastics in an oil refinery: Scenario development based on sorting and pyrolysis experiments
Feedstock recycling of waste plastics in an oil refinery: Scenario development based on sorting and pyrolysis experiments Open
Focusing on plastic packaging waste, this study aimed to design feedstock recycling scenarios by harnessing industrial processes in a region and to specify the technological requirements to obtain climate benefits. The amount and resin com…
View article: Combining hierarchical clustering analysis with a simplex lattice mixture design in rapidly identifying the pyrolytic interactions and predicting the product yields during the co-pyrolysis of cellulose, xylan, and milled wood lignin
Combining hierarchical clustering analysis with a simplex lattice mixture design in rapidly identifying the pyrolytic interactions and predicting the product yields during the co-pyrolysis of cellulose, xylan, and milled wood lignin Open
The pyrolysis behavior of lignocellulosic biomass is complex owing to the different combinations of the three main components, and the diversity of the pyrolyzate distribution renders the identification of the pyrolytic synergy of lignocel…
View article: Effective conversion of CO2 to ethylene urea using zirconium-containing Mg-Al layered double hydroxide
Effective conversion of CO2 to ethylene urea using zirconium-containing Mg-Al layered double hydroxide Open
Excessive emission of greenhouse gases, such as CO2, from industries and the resulting global warming, has forced mankind to investigate the conversion of CO2 into commercially valuable chemicals and achieve a sustainable carbon cycle. The…
View article: Synthesis of an Mg–Fe–Al layered double oxide with a high arsenic anion adsorption capacity and the establishment of an arsenic anion desorption process
Synthesis of an Mg–Fe–Al layered double oxide with a high arsenic anion adsorption capacity and the establishment of an arsenic anion desorption process Open
The removal of toxic anions from wastewater by layered double oxides (LDOs) is highly efficient and studies related to the synthesis of LDOs have been actively attempted. This paper reports the synthesis of a triatomic LDO consisting of Mg…
View article: Characteristics of the steam degradation of poly(lactic acid) and poly(3-hydroxybutyrate-co-3-hydroxyhexanoate)
Characteristics of the steam degradation of poly(lactic acid) and poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) Open
The introduction of biodegradable plastics is considered a practical approach to reducing plastic waste accumulation in the environment. Regardless of their biodegradability, plastics should be recycled to effectively utilize and circulate…
View article: Extraction and enrichment of lead from contaminated soil using chelation reactions
Extraction and enrichment of lead from contaminated soil using chelation reactions Open
Heavy metals such as lead (Pb) are significantly harmful to human health and may have disastrous effects on the ecosystem. Consequently, Pb-contaminated soil necessitates remediation to bring Pb levels below the standard threshold of 150 m…
View article: Combining Hierarchical Clustering Analysis with a Simplex-Lattice Mixture Design for the Rapid Identification of Pyrolytic Interactions and Product Yield Prediction During the Co-Pyrolysis of Cellulose, Xylan, and Milled Wood Lignin
Combining Hierarchical Clustering Analysis with a Simplex-Lattice Mixture Design for the Rapid Identification of Pyrolytic Interactions and Product Yield Prediction During the Co-Pyrolysis of Cellulose, Xylan, and Milled Wood Lignin Open
View article: Impact of EU Mandatory Recycled Content for Plastic Circulation
Impact of EU Mandatory Recycled Content for Plastic Circulation Open
View article: Latest trends and challenges in PVC and copper recovery technologies for End-of-Life thin cables
Latest trends and challenges in PVC and copper recovery technologies for End-of-Life thin cables Open
This review investigates the latest trends in separation technologies regarding hard-to-recycle thin cables, specifically in the form of end-of-life wire harnesses (WHs). The cables in WHs mainly contain copper (Cu) and poly(vinyl chloride…
View article: Adsorption of l-lactate from cell culture media by layered double hydroxide and evaluation of its cytotoxicity to cell lines
Adsorption of l-lactate from cell culture media by layered double hydroxide and evaluation of its cytotoxicity to cell lines Open
The large-scale culture of human induced pluripotent stem cells (hiPSCs) is essential for developing new pharmaceuticals and regenerative therapy methods. While for the development of cultured meat products, mass production of animal myobl…
View article: Fluorine recovery through alkaline defluorination of polyvinylidene fluoride
Fluorine recovery through alkaline defluorination of polyvinylidene fluoride Open
The establishment of technological approaches for the defluorination of waste fluoropolymers and recovery of eliminated F – may contribute to the development of fluorine recycling routes. In this study, we investigated the effects of alkal…
View article: Neural network based prediction of the efficacy of ball milling to separate cable waste materials
Neural network based prediction of the efficacy of ball milling to separate cable waste materials Open
Material recycling technologies are essential for achieving a circular economy while reducing greenhouse gas emissions. However, most of them remain in laboratory development. Machine learning (ML) can promote industrial application while …
View article: Alkaline hydrolysis of photovoltaic backsheet containing PET and PVDF for the recycling of PVDF
Alkaline hydrolysis of photovoltaic backsheet containing PET and PVDF for the recycling of PVDF Open
Recovering fluorine from end-of-life products is crucial for the sustainable production and consumption of fluorine-containing compounds because fluorspar, an important natural resource for fluorine, is currently at a supply risk. In this …
View article: Thermal and Catalytic Fast Hydropyrolysis of Lignin: Optimization for Selective Production of Aromatics Using High-Pressure Tandem Μ-Reactor − Gas Chromatography/Mass Spectrometry
Thermal and Catalytic Fast Hydropyrolysis of Lignin: Optimization for Selective Production of Aromatics Using High-Pressure Tandem Μ-Reactor − Gas Chromatography/Mass Spectrometry Open
View article: Adsorption of L-Lactate from Cell Culture Media by Layered Double Hydroxide and Evaluation of its Cytotoxicity to Cell Lines
Adsorption of L-Lactate from Cell Culture Media by Layered Double Hydroxide and Evaluation of its Cytotoxicity to Cell Lines Open
View article: Feedstock Recycling of Waste Plastics in an Oil Refinery: Scenario Development Based on Sorting and Pyrolysis Experiments
Feedstock Recycling of Waste Plastics in an Oil Refinery: Scenario Development Based on Sorting and Pyrolysis Experiments Open
View article: Changes in sake making properties of rice grains during the two ways of rice polishing in two ways
Changes in sake making properties of rice grains during the two ways of rice polishing in two ways Open
View article: Effects of heating rate and temperature on product distribution of poly-lactic acid and poly-3-hydroxybutyrate-co-3-hydroxyhexanoate
Effects of heating rate and temperature on product distribution of poly-lactic acid and poly-3-hydroxybutyrate-co-3-hydroxyhexanoate Open
In this study, poly-lactic acid (PLA) and poly-3-hydroxybutyrate- co -3-hydroxyhexanoate (PHBH) were pyrolyzed at various temperatures (300, 350, 400, 500, 600, and 700 °C) and heating rates (5, 10, 20, 30, and 40 °C min −1 ) using a pyrol…