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  • Open Access


    Preparation of Kenaf Biochar and Its Adsorption Properties for Methylene Blue

    Xin Wan1,2,#, Zhigang Xia3,4,#, Xiaoli Yang1,2, Chengfeng Zhou2, Yuanming Zhang1,2, Haoxi Ben1,2, Guangting Han1,2, Wei Jiang1,2,*

    Journal of Renewable Materials, Vol.10, No.12, pp. 3391-3404, 2022, DOI:10.32604/jrm.2022.021102

    Abstract The toxic dyestuffs from printing and dyeing wastewater have caused serious damages to the ecological environment, thus exploring effective methods to remove them having become a key topic. Here, a series of biochar samples were synthesized form kenaf to adsorb methylene blue (MB), which was acted as the dye representative for the test of adsorption capacity due to the presence of abundant double bond and aromatic heterocyclic ring. By tuning the raw materials and pyrolysis temperature, a super adsorption capacity about 164.21 mg·g–1 was obtained over the biochar that pyrolyzed at 700°C with the kenaf fiber… More >

  • Open Access


    Biochar-Induced Priming Effects in Young and Old Poplar Plantation Soils

    Weiwei Lu1,*, Yirui Zhang1, Yixian Yao1, Yuying Wu1, Han Y. H. Chen2, Hailin Zhang3, Jia Yu4, Caiqin Shen5, Qi Liu6, Honghua Ruan1,*

    Phyton-International Journal of Experimental Botany, Vol.89, No.1, pp. 13-26, 2020, DOI:10.32604/phyton.2020.09125

    Abstract The priming effect (PE) induced by biochar provides a basis for evaluating its carbon (C) sequestration potential in soils. A 60 days’ laboratory incubation was conducted, which involved the amendment of biochar (1% of soil mass) produced from rice straw at 300ºC (B300) and 500ºC (B500) to young (Y) and old (O) poplar plantation soils, with the aim of studying the responses of biochar-induced PEs to poplar plantation ages. This incubation included six treatments: Y + CK (control), Y + B300, Y + B500, O + CK, O + B300, and O + B500. Carbon… More >

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