Bioresource Technology 214 (2016) 548–557 Contents lists available at ScienceDirect Bioresource Technology journal homepage: www.elsevier.com/locate/biortech Preparation of modiﬁed-biochar from Laminaria japonica: Simultaneous optimization of aluminum electrode-based electro-modiﬁcation and pyrolysis processes and its application for phosphate removal a,1 a,1 b c a,⇑ Kyung-Won Jung , Tae-Un Jeong , Ho-Jeong Kang , Jae-Soo Chang , Kyu-Hong Ahn Center for Water Resources Cycle Research, Korea Institute of Science and Technology, 5 Hwarang-ro 14-gil, Seongbuk-gu, Seoul 02792, South Korea Civil and Environmental Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, South Korea Department of Environmental Engineering, Korea maritime and Ocean University, 727 Taejong-ro, Yeongdo-gu, Busan 49112, South Korea highlights graphical a bstract Electro-modiﬁcation and pyrolysis processes were modeled and optimized using RSM. Quadratic regression model was accurately developed for phosphate adsorption. Physically and chemically modiﬁed- biochar (SOEM-biochar) was successfully prepared. Pseudo-second-order and Sips models ﬁt the adsorption data of the SOEM-biochar. Maximum phosphate adsorption capacity of SOEM-biochar was 460.3 mg/g. ar ti c l e i nf o ab stra ct Article history: The preparation conditions of electro-modiﬁcation (current density) and pyrolysis (pyrolysis tempera- Received 7 April 2016 ture and heating rate) processes were simultaneously optimized using response surface methodology Received in revised
Bioresource Technology – Elsevier
Published: Aug 1, 2016
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