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  • Open Access

    ARTICLE

    Magnetic Wakame-Based Biochar/Ni Composites with Enhanced Adsorption Performance for Diesel

    Hua Jing1, Shiyao Lu1, Lili Ji1,*, Shijie Li1, Baikang Zhu2, Jian Guo3, Jiaxing Sun1, Lu Cai4, Yaning Wang1

    Journal of Renewable Materials, Vol.10, No.12, pp. 3147-3165, 2022, DOI:10.32604/jrm.2022.020215 - 14 July 2022

    Abstract In this study, the magnetic wakame biochar/Ni composites were prepared with three activating reagents of H3PO4, ZnCl2 and KOH by one-step pyrolysis activation, characterized by BET, SEM, TEM, FI-IR, XRD, Raman, and elemental analyzer, and their adsorption performance for diesel were also analyzed. The results showed that wakame biochar/Ni composites had larger specific surface area, abundant porous structure, and various reactive groups, rendering its enhancement of adsorption efficiency. The adsorption experiments indicated that the maximum adsorption capacities for diesel using WBPA 0.5, WBHZ 0.5 and WBPH 0.5 were 4.11, 8.83, and 13.47 g/g, respectively. The Langmuir More >

  • Open Access

    ARTICLE

    Termites Improve the Horizontal Movement of Carbonized Particles: A Step towards Sustainable Utilization of Biochar

    Mazhar Ali1, Nasir Masood1, Hafiz Muhammad Rashad Javeed1, Ibrahim Al-Ashkar2, Khalid F. Almutairi2, Liyun Liu3, Muhammad Aqeel Sarwar4, Karthika Rajendran5, Ayman EL Sabagh6,*

    Phyton-International Journal of Experimental Botany, Vol.91, No.10, pp. 2235-2248, 2022, DOI:10.32604/phyton.2022.021644 - 30 May 2022

    Abstract Soil amendments containing carbonized materials increase the soil carbon reservoir, influence plant productivity, and, ultimately, help to clean the environment. There is data on the effect of such additions on soil physicochemical properties or plant growth, but few studies have focused on how these carbonized materials are distributed by termite species in the soil ecosystem. It is the first comprehensive study of the transportation of biochar (BC) by termite species under tropical environmental conditions in Pakistan. The present study was carried out to test the hypothesis that if termite species I) were involved in the… More >

  • Open Access

    ARTICLE

    Organic Amendments Improve Plant Morpho-Physiology and Antioxidant Metabolism in Mitigating Drought Stress in Bread Wheat (Triticum aestivum L.)

    Taufika Islam Anee1,#, Md. Nur Nabi Islam1,#, Mohamed M. Hassan2, Abdul Awal Chowdhury Masud1, Md. Mahabub Alam1, Mirza Hasanuzzaman1,*

    Phyton-International Journal of Experimental Botany, Vol.91, No.9, pp. 1959-1972, 2022, DOI:10.32604/phyton.2022.021137 - 13 May 2022

    Abstract Due to the unpredictable climate change, drought stress is being considered as one of the major threats to crop production. Wheat (Triticum aestivum L. cv. BARI Gom-26) being a dry season crop frequently faces scarcity of water and results in a lower yield. Therefore, this experiment aims to explore the role of different organic amendments (OAs) in mitigating drought stress-induced damage. The pot experiment consisted of different organic amendments viz. compost, vermicompost and poultry manure @0.09 kg m−2 soil, biochar @2.5% w/w soil and chitosan @1% w/w soil which was imposed on the plants grown under both… More >

  • Open Access

    ARTICLE

    A Novel Magnetic Carbon Based Catalyst Synthesized from Reed Straw and Electric Furnace Dust for Biodiesel Production

    Fuping Wang1, Lele Kang1, Rui Ji1, Tianji Liu1, Qing Yu1, Di Gao1, Xiaoman Wang1, Yitong Wang1,*, Jie Yang2,*

    Journal of Renewable Materials, Vol.10, No.8, pp. 2099-2115, 2022, DOI:10.32604/jrm.2022.018806 - 25 April 2022

    Abstract In the era of serious greenhouse gas emission and energy shortage, it is necessary to use solid waste to prepare new renewable materials. In this work, the potential application of reed straw and electric furnace dust was explored. Firstly, magnetic carbon carrier (EFD&C) was prepared by high temperature calcination, and then magnetic carbon catalyst (SM@EFD&C) was prepared by activation of sodium methoxide. The catalyst was used to prepare biodiesel by transesterification reaction to test its activity and stability. Reed biochar, EFD&C and SM@EFD&C were detected by Diffraction of X-rays (XRD), Fourier transform infrared (FT-IR), Inductively… More > Graphic Abstract

    A Novel Magnetic Carbon Based Catalyst Synthesized from Reed Straw and Electric Furnace Dust for Biodiesel Production

  • Open Access

    REVIEW

    Positive Effects of Biochar on the Degraded Forest Soil and Tree Growth in China: A Systematic Review

    Jingkang Zhang1, Shiyuan Zhang1, Changhao Niu1,2, Jiang Jiang1,2, Haijun Sun1,2,*

    Phyton-International Journal of Experimental Botany, Vol.91, No.8, pp. 1601-1616, 2022, DOI:10.32604/phyton.2022.020323 - 14 April 2022

    Abstract Soil degradation threatens the forest sustainable productivity, particularly in afforestation system. Biochar derived from agroforestry waste or biomass can potentially improve the degraded forest soil and promote the tree growth. To expand the application of biochar for forestry productivity improvement, we here reviewed the effects and the underlying mechanisms of biochar on the degraded forest soil and tree growth. Totally 96 studies that conducted from pot to field investigations in China were summarized. The result suggested that biochar generally exerted positive effects on restoration of degraded forest soil such as that with compaction, acidification or More >

  • Open Access

    ARTICLE

    Short-Term and Long-Term Effects of Natural and Artificial Carbonaceous Substrates on Greenhouse Gas Fluxes

    Jürgen Kern1,*, Judy Libra1, Christian Ammon1, York Neubauer2, Wenceslau Teixeira3

    Journal of Renewable Materials, Vol.10, No.7, pp. 1773-1786, 2022, DOI:10.32604/jrm.2022.019608 - 07 March 2022

    Abstract The emissions of two greenhouse gases (GHG), carbon dioxide (CO2) and nitrous oxide (N2O), from six substrates with different carbonaceous content were compared in short and long-term incubation experiments. Three natural soils and three artificial chars were mixed with carbon (C) poor soil (Cambisol) to simulate real conditions after application of char to farmland. The natural soils were a Cambisol, an Anthrosol and a Histosol with C contents of 1.3%, 4.4% and 13.2%, respectively. The three chars produced through thermal conversion of wood chips by hydrothermal carbonisation (HTC), fluidized bed gasification and pyrolysis had C… More >

  • Open Access

    ARTICLE

    The Estimation of the Higher Heating Value of Biochar by Data-Driven Modeling

    Jiefeng Chen1, Lisha Ding1, Pengyu Wang1, Weijin Zhang2, Jie Li3, Badr A. Mohamed4, Jie Chen1, Songqi Leng1, Tonggui Liu1, Lijian Leng2,*, Wenguang Zhou1,*

    Journal of Renewable Materials, Vol.10, No.6, pp. 1555-1574, 2022, DOI:10.32604/jrm.2022.018625 - 20 January 2022

    Abstract Biomass is a carbon-neutral renewable energy resource. Biochar produced from biomass pyrolysis exhibits preferable characteristics and potential for fossil fuel substitution. For time- and cost-saving, it is vital to establish predictive models to predict biochar properties. However, limited studies focused on the accurate prediction of HHV of biochar by using proximate and ultimate analysis results of various biochar. Therefore, the multi-linear regression (MLR) and the machine learning (ML) models were developed to predict the measured HHV of biochar from the experiment data of this study. In detail, 52 types of biochars were produced by pyrolysis… More >

  • Open Access

    ARTICLE

    Effect of Reaction-Finished Solution of Hydrochar (HRFS) Application on Rice Grain Yield and Nitrogen Use Efficiency in Saline Soil

    Zhenghua Yi1, Paramsothy Jeyakumar2, Jiang Jiang1, Xiaomian Zhang3, Chunlei Yue3, Haijun Sun1,*

    Phyton-International Journal of Experimental Botany, Vol.91, No.4, pp. 859-868, 2022, DOI:10.32604/phyton.2022.018396 - 09 December 2021

    Abstract We conducted a pot experiment to examine the feasibility of applying a reaction-finished solution of hydrochar (HRFS) to enhance rice production in a saline soil. With this purpose, HRFS was applied (0, 10, 20, 40, 60, 80 and 100 mL/pot) and rice yield and nitrogen (N) use efficiency (NUE) were determined. HRFS application significantly (P <0.05) increased rice grain yield by 19.6%–30.0% compared to the control treatment (CKU, with N but without HRFS addition). Moreover, HRFS application promoted plant height and straw biomass of rice. Increases of rice yield were mainly achieved by increases in the number… More >

  • Open Access

    REVIEW

    Recent Advance on Torrefaction Valorization and Application of Biochar from Agricultural Waste for Soil Remediation

    Kai Su*, Qirui Qin, Jingyu Yang, Linxiao Li, Shaoqi Deng

    Journal of Renewable Materials, Vol.10, No.2, pp. 247-261, 2022, DOI:10.32604/jrm.2022.018146 - 30 August 2021

    Abstract With the increase of global proportion of soil pollution and the number of areas at risk, researchers have sought to develop various pathways to repair or relieve the pollutants in soil. Among them, biochar represents one multidimensional soil amendment which has got great deal of attention on its physicochemical properties towards the removal or mitigation of contaminants in soil. A variety of agricultural wastes like straw and manure prepared from different torrefaction process have been employed as feedstock for the production of biochar, which can be applied to the contaminated soil to facilitate the growing… More >

  • Open Access

    ARTICLE

    Biochar can Increase Chinese Cabbage (Brassica oleracea L.) Yield, Decrease Nitrogen and Phosphorus Leaching Losses in Intensive Vegetable Soil

    Haijun Sun1,2, Paramsothy Jeyakumar3, Hongdong Xiao2, Xuewen Li2, Jiayou Liu2, Min Yu2, Prabal Bir Jung Rana1, Weiming Shi2,4,*

    Phyton-International Journal of Experimental Botany, Vol.91, No.1, pp. 197-206, 2022, DOI:10.32604/phyton.2022.016492 - 16 August 2021

    Abstract

    There are few evidences on the effect of biochar on vegetable yield, nitrogen (N) and phosphorus (P) leaching losses under intensive vegetable production soil. The current field plot scale study evaluated responses of Chinese cabbage (Brassica oleracea L.) yield, N and P leaching losses using five N treatments of common N application rate according to local farmers’ practice (N100%), reducing 20% or 40% N fertilizer (N80% and N60%), and reducing 40% N fertilizer but incorporating 10 or 20 t/ha biochar (N60% + BC10 and N60% + BC20). Results showed that N80% and N60% decreased both the cabbage

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