Jung, Kyung-Won Choi, Brian Hyun Jeong, Tae-Un Ahn, Kyu-Hong 2024-01-20T03:02:50Z 2024-01-20T03:02:50Z 2021-09-04 2016-11 0960-8524 https://pubs.kist.re.kr/handle/201004/123514 This study introduces a new methodology to synthesize magnetic biochar/Fe3O4 nanocomposites (M-BC) from marine macroalgae using a facile electro-magnetization technique. M-BC was prepared by stainless steel electrode-based electrochemical system, followed by pyrolysis. Physical and chemical analyses revealed that the porosity and magnetic properties were simultaneously improved via the electro-magnetization process, which enabled not only higher adsorption performance, but also easier separation/recovery from aqueous media at post-adsorption stage using a bar magnet. The adsorption equilibrium studies reveal that the Sips model satisfactorily predicts the adsorption capacity, which found to be 190, 297, and 382 mg g(-1) at 10, 20, and 30 degrees C, respectively. The overall findings indicate that one-step electro-magnetization technique can be effectively utilized for the fabrication of biochar with concurrent acquisition of porosity and magnetism, which can bring about new directions in the practical use of adsorption process in environment remediation and mitigate crises originating from it. (C) 2016 Elsevier Ltd. All rights reserved. English ELSEVIER SCI LTD ELECTROCHEMICAL SYNTHESIS ACTIVATED CARBON WASTE NANOPARTICLES ADSORBENT PHOSPHATE Facile synthesis of magnetic biochar/Fe3O4 nanocomposites using electro-magnetization technique and its application on the removal of acid orange 7 from aqueous media Article 10.1016/j.biortech.2016.09.035 1 BIORESOURCE TECHNOLOGY, v.220, pp.672 - 676 BIORESOURCE TECHNOLOGY 220 672 676 scie scopus 000384712900087 2-s2.0-84989833792 Agricultural Engineering Biotechnology & Applied Microbiology Energy & Fuels Agriculture Biotechnology & Applied Microbiology Energy & Fuels Article ELECTROCHEMICAL SYNTHESIS ACTIVATED CARBON WASTE NANOPARTICLES ADSORBENT PHOSPHATE Electrochemical Adsorption Magnetic biochar Magnetite Acid orange 7