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Isosorbide is a chemical compound produced from renewable resources like rice, cassava, cane, corn, etc. Presently, isosorbide is used to substitute bisphenol-A (BPA) in the synthesis process of plastic, epoxy resin, and other chemicals. The use of BPA may cause harm to human health, particularly in infants. For this reason, many countries are interested in isosorbide production.

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  • Open AccessOpen Access

    ARTICLE

    Role of Calcination Temperature on Isosorbide Production from Sorbitol Dehydration over the Catalyst Derived from Ce(IV) Sulfate

    Medta Boupan1,2, Kanyapak Prompang1, Achiraya Chompunuch1, Piwat Boonma1, Arthit Neramittagapong1,2,3,4, Somnuk Theerakulpisut5, Sutasinee Neramittagapong1,2,3,*
    Journal of Renewable Materials, Vol.11, No.7, pp. 2985-3000, 2023, DOI:10.32604/jrm.2023.026397
    (This article belongs to the Special Issue: Value-Added Chemicals and Renewable Materials from Pyrolysis of Organic Solid Wastes: Mechanism, Production, Upgrading, and Application)
    Abstract Isosorbide is a multi-purpose chemical that can be produced from renewable resources. Specifically, it has been investigated as a replacement for toxic bisphenol A (BPA) in the production of polycarbonate (PC). In this study, the synthesis of isosorbide by sorbitol dehydration using a cerium-based catalyst derived from calcined cerium (IV) sulfate (300°C, 400°C, 450°C, 500°C, and 650°C) was investigated. The reaction occurred in a high-pressure reactor containing nitrogen gas. Advanced instrumental techniques were applied to analyze the characteristics of the calcined catalyst. The results showed that the calcined catalysts demonstrated different crystalline structures and sulfate More >

    Graphic Abstract

    Role of Calcination Temperature on Isosorbide Production from Sorbitol Dehydration over the Catalyst Derived from Ce(IV) Sulfate

  • Open AccessOpen Access

    ARTICLE

    Preparation of Peanut Shell Cellulose Double-Network Hydrogel and Its Adsorption Capacity for Methylene Blue

    Yalin Li1,*, Lei Liu1, Wenbao Huang1, Junpu Xie2, Zhaoxia Song1, Shuna Guo1, Enci Wang1
    Journal of Renewable Materials, Vol.11, No.7, pp. 3001-3023, 2023, DOI:10.32604/jrm.2023.026604
    Abstract To achieve optimal recovery and value-added utilisation of cellulose in peanut shells, the cellulose in peanut shells was first extracted using the sodium hydroxide-sodium chlorite method. Then, cellulose hydrogel was prepared by graft copolymerisation using N, N’-methylenebisacrylamide as the cross-linking agent, sodium persulfate as the initiator, and acrylic acid as the monomer. Orthogonal optimisation experiments were designed to obtain optimal process parameters for hydrogel preparation with the cellulose dosage of 0.40 g, initiator dosage of 0.20 g, polymerisation temperature of 70°C, cross-linking agent of 0.25 g, and monomer dosage of 3.0 mL. The effect of initiator… More >

    Graphic Abstract

    Preparation of Peanut Shell Cellulose Double-Network Hydrogel and Its Adsorption Capacity for Methylene Blue

  • Open AccessOpen Access

    ARTICLE

    Plasticizing Effect of Camellia oleifera Seed-Oil-Based Plasticizer on PVC Material Modification

    Qinghua Lao1,#, Hui Zhang1,#, Zhihong Wang2, Puyou Jia3, Yongquan Li1,*, Qiaoguang Li4,*
    Journal of Renewable Materials, Vol.11, No.7, pp. 3025-3041, 2023, DOI:10.32604/jrm.2023.026646
    Abstract In this study, as the plasticizer, Camellia oleifera seed-oil-based cyclohexyl ester (COSOCE) was prepared by the reaction of cyclohexene oxide and refined C. oleifera seed oil (RCOSO) obtained by acidification hydrolysis after saponification. In addition, the structure of the target product was confirmed by Fourier transform infrared (FTIR) spectroscopy, nuclear magnetic resonance (NMR) spectroscopy, and Raman spectroscopy. COSOCE was used as plasticizer-modified polyvinyl chloride (PVC) membranes. The structure of the COSOCE-modified PVC membranes were characterized by Raman spectroscopy and scanning electron microscopy (SEM). The properties of the COSOCE-modified PVC membrane were characterized by contact angle measurements, universal… More >

  • Open AccessOpen Access

    ARTICLE

    Effect of PEG Incorporation on Physicochemical and in vitro Degradation of PLLA/PDLLA Blends: Application in Biodegradable Implants

    Mochamad Chalid1,*, Gifrandy Gustiraharjo1, Azizah Intan Pangesty1, Alyssa Adyandra1, Yudan Whulanza2, Sugeng Supriadi2
    Journal of Renewable Materials, Vol.11, No.7, pp. 3043-3056, 2023, DOI:10.32604/jrm.2023.026788
    (This article belongs to the Special Issue: Advancement of Biopolymers in Biomedical Materials)
    Abstract Polyethylene glycol (PEG) was added at different concentrations to the blend of poly(L-lactic acid) (PLLA) and poly(D,L-lactic acid)(PDLLA) to tailor the properties. The differential scanning calorimetry (DSC) measurement showed that all blends were miscible due to shifting a single glass transition temperature into a lower temperature for increasing PEG content. The DSC, FTIR, and XRD results implied the crystallinity enhancement for PEG content until 8 wt%, then decreased at 12 wt% PEG. The XRD result indicated the homo crystalline phase formation in all blends and no stereocomplex crystal. The in vitro degradation study indicated that… More >

    Graphic Abstract

    Effect of PEG Incorporation on Physicochemical and <i>in vitro</i> Degradation of PLLA/PDLLA Blends: Application in Biodegradable Implants

  • Open AccessOpen Access

    ARTICLE

    Research of Microstructure, Phase, and Mechanical Properties of Aluminum-Dross-Based Porous Ceramics

    Liang Yu1,2,3, Yuan Liu1,2,3, Xiuling Cao4,*, Yulong Yan1,2,3, Chen Zhang1,2,3, Yanli Jiang1,2,3,*
    Journal of Renewable Materials, Vol.11, No.7, pp. 3057-3072, 2023, DOI:10.32604/jrm.2023.025732
    Abstract In this study, the effect of sintering temperature and the addition of kaolin, a sintering agent, on the microscopic, phase, and mechanical properties of ceramics were investigated using secondary aluminum dross (SAD) as the main component in the manufacturing of ceramics. The basic phases of the ceramics were Al2O3, MgAl2O4, NaAl11O17, and SiO2 without the addition of kaolin. The diffraction peaks of MgAl2O4, NaAl11O17, and SiO2 kept decreasing while those of Al2O3 kept increasing with an increase in temperature. In addition, the increase in temperature promoted the growth of the grains. The grains were uniform in size and regular… More >

    Graphic Abstract

    Research of Microstructure, Phase, and Mechanical Properties of Aluminum-Dross-Based Porous Ceramics

  • Open AccessOpen Access

    ARTICLE

    Experimental Study on Ratio and Performance of Coal Gangue/Bottom Ash Geopolymer Double-Liquid Grouting Material

    Wenqi Zhao1, Wenbin Sun1,2,3,*, Zhenbo Cao1, Jianbang Hao1
    Journal of Renewable Materials, Vol.11, No.7, pp. 3073-3089, 2023, DOI:10.32604/jrm.2023.026409
    Abstract Mine grouting reinforcement and water plugging projects often require large amounts of grouting materials. To reduce the carbon emission of grouting material production, improve the utilization of solid waste from mining enterprises, and meet the needs of mine reinforcement and seepage control, a double-liquid grouting material containing a high admixture of coal gangue powder/bottom ash geopolymer was studied. The setting time, fluidity, bleeding rate, and mechanical properties of grouting materials were studied through laboratory tests, and SEM analyzed the microstructure of the materials. The results show that the total mixture of calcined gangue does not More >

  • Open AccessOpen Access

    ARTICLE

    Comprehensive Assessment of the Safety of Eucommia ulmoides Leaf Extract for Consumption as a Traditional Chinese Health Food

    Huiling Fu1, Mijun Peng2, Qiuwen Tang2, Haojun Liang2, Yanli Liang2, Jiali Fang2,*, Xuesong Wang2,*
    Journal of Renewable Materials, Vol.11, No.7, pp. 3091-3114, 2023, DOI:10.32604/jrm.2023.026689
    (This article belongs to the Special Issue: Renewable Biomass as a Platform for Preparing Green Chemistry)
    Abstract To ensure the export quality of Eucommia ulmoides leaf extract (ELE) and facilitate E. ulmoides leaf inclusion in the directory of traditional Chinese health foods, an overall safety assessment of ELE was performed, including genotoxicity and long-term toxicity, according to the national food safety standards of China. No variations in the reverse mutation number of the nominal bacterial strains were observed under ELE treatment in comparison with the solvent control. Additionally, the micronucleus rates of in vivo mammalian erythrocytes and in vitro mammalian cells under ELE treatment were equivalent to or significantly lower than those of the… More >

    Graphic Abstract

    Comprehensive Assessment of the Safety of <i>Eucommia ulmoides</i> Leaf Extract for Consumption as a Traditional Chinese Health Food

  • Open AccessOpen Access

    ARTICLE

    Multifunctional Lubricant Additive Improves Lubrication and Antioxidation Properties of Tung Oil

    Na Yao1, Haiyang Ding1,2,*, Mei Li1, Shouhai Li1,2, Lina Xu1, Xiaohua Yang1
    Journal of Renewable Materials, Vol.11, No.7, pp. 3115-3128, 2023, DOI:10.32604/jrm.2023.026823
    Abstract It is of considerable significance to develop efficient and environmentally friendly machinery lubricant additives because of the increasing depletion of petrochemical resources and severe environmental problems. Herein, we proposed a facile strategy to synthesize a multifunctional vegetable oil-based lubricant via the lignin derivative vanillin coupled to amine and diethyl phosphite to produce a lubricating additive with both extreme pressure and antioxidant properties. Compared with pure tung oil, the lubricating and antioxidant performance of tung oil is significantly improved after adding additives. Adding the 1.0 wt% additive to the tung oil reduced the friction wear coefficient More >

    Graphic Abstract

    Multifunctional Lubricant Additive Improves Lubrication and Antioxidation Properties of Tung Oil

  • Open AccessOpen Access

    ARTICLE

    Efficient Use of Steel Slag in Alkali-Activated Blast Furnace Slag Based Geopolymer

    Yu Bai, Lei Wang, Ying Fang*
    Journal of Renewable Materials, Vol.11, No.7, pp. 3129-3141, 2023, DOI:10.32604/jrm.2023.026923
    (This article belongs to the Special Issue: New Trends in Renewable and Sustainable Materials for Carbon Neutrality)
    Abstract Energy shortage and the emission of greenhouse gases have become a global problem of urgent concern. Therefore, there is an urgent need to develop a low carbon building material. Geopolymers have become a hot topic due to their environmental sustainability and the feasibility of immobilizing industrial waste. In this paper, steel slag (SS) fines were investigated as auxiliary materials of blast furnace slag (BFS) based geopolymer. The hydration heat properties, flowability, compressive strength, sorptivity coefficient, X-ray diffraction (XRD), and scanning electron microscopy (SEM) of the geopolymer pastes were determined. The results showed that the incorporation More >

  • Open AccessOpen Access

    ARTICLE

    Carbon Capture from Flue Gas Based on the Combination of Non-Contact Hydrophobic Porous Ceramic Membrane and Bubbling Absorption

    Yongde Luo, Jiang Jin*, Hua Zhang*
    Journal of Renewable Materials, Vol.11, No.7, pp. 3143-3153, 2023, DOI:10.32604/jrm.2023.027396
    (This article belongs to the Special Issue: Porous Materials for Sustainable Development)
    Abstract A hybrid system combined with a non-contact membrane and bubbling absorption is proposed to capture CO2 from flue gas. The non-contact way of membrane and liquid absorbent effectively avoids the reduction of gas diffusion flux through the membrane. High-porosity ceramic membranes in hybrid systems are used for gas-solid separation in fuel gas treatment. Due to the high content of H2O and cement dust in the flue gas of the cement plant, the membrane is hydrophobically modified by polytetrafluoroethylene (PTFE) to improve its anti-water, anti-fouling, and self-cleaning performances. The results show that the diffusion flux of CO2 through More >

  • Open AccessOpen Access

    ARTICLE

    Three-Dimensional Simulation of Hydrodynamic Mechanism of Fluidized Bed Methanation

    Xiaojia Wang1,*, Danyang Shao1, Delu Chen1, Yutong Gong1, Fengxia An1,2
    Journal of Renewable Materials, Vol.11, No.7, pp. 3155-3175, 2023, DOI:10.32604/jrm.2023.027535
    Abstract Organic solid waste (OSW) contains many renewable materials. The pyrolysis and gasification of OSW can realize resource utilization, and its products can be used for methanation reaction to produce synthetic natural gas in the specific reactor. In order to understand the dynamic characteristics of the reactor, a three-dimensional numerical model has been established by the method of Computational Fluid Dynamics (CFD). Along the height of the reactor, the particle distribution in the bed becomes thinner and the mean solid volume fraction decreases from 4.18% to 0.37%. Meanwhile, the pressure fluctuation range decreased from 398.76 Pa… More >

    Graphic Abstract

    Three-Dimensional Simulation of Hydrodynamic Mechanism of Fluidized Bed Methanation

  • Open AccessOpen Access

    ARTICLE

    Optimisation Strategy of Carbon Dioxide Methanation Technology Based on Microbial Electrolysis Cells

    Qifen Li, Xiaoxiao Yan*, Yongwen Yang, Liting Zhang, Yuanbo Hou
    Journal of Renewable Materials, Vol.11, No.7, pp. 3177-3191, 2023, DOI:10.32604/jrm.2023.027749
    (This article belongs to the Special Issue: Renewable Biomass as a Platform for Preparing Green Chemistry)
    Abstract Microbial Electrolytic Cell (MEC) is an electrochemical reaction device that uses electrical energy as an energy input and microorganisms as catalysts to produce fuels and chemicals. The regenerative electrochemical system is a MEC improvement system for methane gas produced by biological carbon sequestration technology using renewable energy sources to provide a voltage environment. In response to the influence of fluctuating disturbances of renewable electricity and the long system start-up time, this paper analyzes the characteristics of two strategies, regulating voltage parameter changes and activated sludge pretreatment, on the methane production efficiency of the renewable gas… More >

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