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  • Open Access

    ARTICLE

    Impact of Pyrolysis Parameters on Biochar and Activated Carbon Properties from Cistus ladaniferus for Environmental Applications

    Hammadi El Farissi1,2,*, Anass Choukoud1,2, Bouchaib Manoun3,4, Mohamed El Massaoudi5,6, Abdelmonaem Talhaoui2

    Journal of Renewable Materials, Vol.13, No.6, pp. 1251-1266, 2025, DOI:10.32604/jrm.2025.02025-0004 - 23 June 2025

    Abstract In light of the growing urgency to address environmental degradation and improve carbon sequestration strategies, this study rigorously investigates the potential of Cistus ladaniferus as a viable feedstock for biochar and activated carbon production. The influence of pyrolysis temperature, heating rate and particle size on biochar yield was systematically examined. The results demonstrate that increasing pyrolysis temperature and heating rate significantly reduces biochar yield, while particle size plays a crucial role in thermal degradation and biochar retention. To evaluate the structural and chemical properties of the materials, various characterization techniques were employed, including Fourier-transform infrared spectroscopy… More > Graphic Abstract

    Impact of Pyrolysis Parameters on Biochar and Activated Carbon Properties from <i>Cistus ladaniferus</i> for Environmental Applications

  • Open Access

    ARTICLE

    Development of Loose-Fill Thermal Insulation Materials from Annual Plant Residues Using Low-Concentration Chemimechanical Pulping

    Andris Berzins1,2, Ramunas Tupciauskas1,*, Gunars Pavlovics1, Martins Andzs1

    Journal of Renewable Materials, Vol.13, No.6, pp. 1189-1207, 2025, DOI:10.32604/jrm.2025.02024-0067 - 23 June 2025

    Abstract This study examines the development of loose-fill thermal insulation materials derived from annual plant residues, such as wheat straw, water reeds, and corn stalks, processed using the chemimechanical pulping (CMP) technique. The chopped plants were soda-cooked for 30 min, varying NaOH concentration (2%–8% on a dry basis of biomass), and mechanically refined using different disc types. The CMP process enhances the homogeneity and stability of defibrated material, yielding improved insulation properties compared to untreated chopped raw materials. Chemical analysis revealed that CMP increases cellulose content and reduces lignin levels, enhancing water retention and vapor diffusion… More > Graphic Abstract

    Development of Loose-Fill Thermal Insulation Materials from Annual Plant Residues Using Low-Concentration Chemimechanical Pulping

  • Open Access

    ARTICLE

    Optimization and Intelligent Control in Hybrid Renewable Energy Systems Incorporating Solar and Biomass

    Arpita Johri1,2,*, Varnita Verma3, Mainak Basu1,*

    Energy Engineering, Vol.122, No.5, pp. 1887-1918, 2025, DOI:10.32604/ee.2025.062355 - 25 April 2025

    Abstract The globe faces an urgent need to close the energy demand-supply gap. Addressing this difficulty requires constructing a Hybrid Renewable Energy System (HRES), which has proven to be the most appropriate solution. HRES allows for integrating two or more renewable energy resources, successfully addressing the issue of intermittent availability of non-conventional energy resources. Optimization is critical for improving the HRES’s performance parameters during implementation. This study focuses on HRES using solar and biomass as renewable energy supplies and appropriate energy storage technologies. However, energy fluctuations present a problem with the power quality of HRES. To… More > Graphic Abstract

    Optimization and Intelligent Control in Hybrid Renewable Energy Systems Incorporating Solar and Biomass

  • Open Access

    ARTICLE

    Charcoal Briquette Manufactured from Indonesian Sugar Palm Bunches (Arenga longipes Mogea) as Biomass-Based New Renewable Energy

    Luthfi Hakim1,*, Apri Heri Iswanto1,*, Yunida Syafriani Lubis2, Adam Jagwani Wirawan1, Ridwanti Batubara1, Nam Hum Kim3, Petar Antov4, Tomasz Rogoziński5, Lee Seng Hua6, Lum Wei Chen7, Rangabhashiyam Selvasembian8, Jayusman2, Jajang Sutiawan9

    Journal of Renewable Materials, Vol.13, No.3, pp. 637-650, 2025, DOI:10.32604/jrm.2025.056365 - 20 March 2025

    Abstract The utilisation of sugar palm bunches-charcoal briquettes (SPB-CB) represents a significant advancement in biomass energy. This study aimed to analyse the properties of charcoal briquettes produced from SPB (Arenga longipes). The experiment involved categorising the dimensions of charcoal powder into three specific particle sizes: 20–40 mesh, 40–60 mesh, and particles that could pass through a 60-mesh screen. The charcoal powder will be combined with tapioca as a binding agent at three specific concentrations: 11%, 13%, and 15%. The research findings indicate that the samples underwent 60 mesh passes achieved the maximum briquette density, with an average… More >

  • Open Access

    REVIEW

    Biobased Biodegradable Polybutylene Succinate Polymers and Composites: Synthesis, Structure Properties and Applications—A Review

    Peter Ramashadi Makgwane1,2,*, Sudhakar Muniyasamy1,3,*, Lerato Hlekelele1, Andri Swanepoel1, Venkata Satyanarayana Sypu1, Lindani Mdlalose1, Saloshnee Naidoo1, Zamani Cele1, Arjun Maity1,4, Mohammed Balogun1, Orebotse Joseph Botlhoko5

    Journal of Renewable Materials, Vol.13, No.3, pp. 449-495, 2025, DOI:10.32604/jrm.2025.027523 - 20 March 2025

    Abstract The materialization of polybutylene succinate (PBS) belongs to the family of polyesters which are degradable and biodegradable, their biodegradability properties have attracted enormous interest for product development towards different polymer-based applications. Besides its biodegradability, PBS can be derived from petroleum and biobased monomers. At the same time, the latter is the driving factor for its growing interest in bioplastics for fully green and sustainable biobased-derived polymer products. The processes and techniques presented herein, are based on the production of biobased succinic acid monomer to PBS. However, the counterpart biobased monomer 1,4-butanediol (1,4-BDO) production has not… More > Graphic Abstract

    Biobased Biodegradable Polybutylene Succinate Polymers and Composites: Synthesis, Structure Properties and Applications—A Review

  • Open Access

    REVIEW

    Effects of Nanofertilizers on the Mechanism of Photosynthetic Efficiency in Plants: A Review

    Xinyi Liu1,4, Muhammed Nadeem1, Yukui Rui1,2,3,4,*

    Phyton-International Journal of Experimental Botany, Vol.93, No.12, pp. 3197-3216, 2024, DOI:10.32604/phyton.2024.059281 - 31 December 2024

    Abstract Compared with conventional fertilizers, nano fertilizer has many advantages such as controlled release, controlled or slow release of nutrients, high efficiency of nutrition use, cheap, and little polluting of the environment. The use of fertilizers with nanotechnology is a new field in agriculture, and it is a promising and cost-effective substitute for conventional fertilizers to improve the productivity of the world’s food supply. Photosynthesis is an essential biochemical reaction on Earth. Improving photosynthesis, the basic process for light’s transformation into chemical energy is one of the most important areas of research for improving agricultural output… More > Graphic Abstract

    Effects of Nanofertilizers on the Mechanism of Photosynthetic Efficiency in Plants: A Review

  • Open Access

    ARTICLE

    Improvement of the Birch Outer Bark Plywood Binder: The Impact of the Bark Fractional Composition and the Binder Preparation Methodology

    Rūdolfs Bērziņš*, Aigars Pāže, Guntis Sosins, Daniela Godiņa, Laima Vēvere, Jānis Rižikovs

    Journal of Renewable Materials, Vol.12, No.12, pp. 2095-2113, 2024, DOI:10.32604/jrm.2024.056769 - 20 December 2024

    Abstract Birch outer bark (BOB) from Betula pendula Roth. is a unique and valuable biomass feedstock that contains suberin. The biopolyester suberin is built from bifunctional fatty acids-suberinic acids (SA)-which can be obtained through a depolymerization process in an alkaline medium and used as a binder due to their adhesive properties. The aim of this study was to develop the SA-containing binder and identify suitable pressing conditions to produce plywood that meets the shear strength requirements of the EN 314-2 standard 3rd moisture resistance class for bonding quality, ensuring durability in unprotected exterior conditions (shear strength ≥… More > Graphic Abstract

    Improvement of the Birch Outer Bark Plywood Binder: The Impact of the Bark Fractional Composition and the Binder Preparation Methodology

  • Open Access

    ARTICLE

    Preparation and Characterization of Hydrogel Materials Based on the Hydrothermal Liquefaction of Enteromorpha prolifera

    Jiangyi Zhou, Bin Cao, Sivakumar Esakkimuthu, Mao Mu*, Shuang Wang*

    Journal of Renewable Materials, Vol.12, No.12, pp. 2069-2078, 2024, DOI:10.32604/jrm.2024.054905 - 20 December 2024

    Abstract Seaweed, as a third generation of biomass energy, has significant potential to replace non-renewable fossil fuels. Among various conversion technologies, hydrothermal liquefaction can effectively convert seaweed into bio-oil. However, most current research on hydrothermal liquefaction products focuses on the oil phase and solid phase, with little attention given to the utilization of the aqueous phase by-product. In this study, the large seaweed Enteromorpha prolifera was selected as the raw material. The aqueous phase containing organic components was prepared through hydrothermal liquefaction at different temperatures, which was then mixed with the polymer polyvinyl alcohol to produce high-value… More >

  • Open Access

    ARTICLE

    Novel Insights into the Conservation Physiology and Ex situ Conservation of the Threatened and Rare Semi-Aquatic Moss Drepanocladus lycopodioides (Amblystegiaceae)

    Bojana Z. Jadranin1, Marija V. Ćosić1, Djordje P. Božović1, Milorad M. Vujičić1,2, Beáta Papp3, Aneta D. Sabovljević1,2, Marko S. Sabovljević1,2,4,*

    Phyton-International Journal of Experimental Botany, Vol.93, No.11, pp. 3039-3054, 2024, DOI:10.32604/phyton.2024.058469 - 30 November 2024

    Abstract The rare and threatened semi-aquatic moss Drepanocladus lycopodioides (Amblystegiaceae) was the subject of growth optimization under ex situ axenic laboratory conditions. The positioning of the plantlets on media, media types as well as selected growth regulators and sugars were parameters tested in optimizing growth promotion of this species in captivity. Out of the tested media types, the KNOP medium and the upright positioning of the explants were the best for propagation and biomass production of D. lycopodioides. The addition of sugars had no significant effect on this moss development axenically, while exogenously applied Benzylaminopurine (BAP) at a… More >

  • Open Access

    REVIEW

    Research Progress of Biomass-Based Porous Oil-Absorbing Materials

    Yifan Sun1, Yuanyuan Zhang1,2, Ziyi Tian1, Hailang Liu1, Siying Chen1, Xujuan Huang1,*, Zhaosheng Cai1, Bo Fang3

    Journal of Renewable Materials, Vol.12, No.11, pp. 1837-1856, 2024, DOI:10.32604/jrm.2024.055933 - 22 November 2024

    Abstract As oil is now an important resource for the survival and development of mankind, the consumption of oil continues to increase each year, and there have been a number of major oil spills in history, such as the oil spill from the Deepwater Horizon drilling rig. Therefore, oil spills during storage and transportation have become an issue of serious concern. Current methods such as incineration and chemical methods cause secondary environmental pollution and fail to enable resource recovery. The adsorption method by porous materials has attracted worldwide attention due to its simplicity, portability, and efficiency.… More > Graphic Abstract

    Research Progress of Biomass-Based Porous Oil-Absorbing Materials

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