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Received October 18, 2017
Accepted January 3, 2018
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Stabilization of bio-oil over a low cost dolomite catalyst
Hannah Kim
Hoda Shafaghat
Jae-kon Kim1
Bo Sung Kang
Jong-Ki Jeon2
Sang-Chul Jung3
In-Gu Lee4
Young-Kwon Park†
School of Environmental Engineering, University of Seoul, Seoul 02504, Korea 1Research Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority, Cheongju 28115, Korea 2Department of Chemical Engineering, Kongju National University, Cheonan 31080, Korea 3Department of Environmental Engineering, Sunchon National University, Suncheon 57922, Korea 4Biomass and Waste Energy Laboratory, Korea Institute of Energy Research, Daejeon 34129, Korea
catalica@uos.ac.kr
Korean Journal of Chemical Engineering, April 2018, 35(4), 922-925(4), 10.1007/s11814-018-0002-3
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Abstract
A low cost alkaline catalyst of dolomite (CaMg(CO3)2) was used to stabilize acacia sawdust bio-oil mixed with methanol. The upgrading efficiency was evaluated in terms of the total acid number (TAN) and viscosity. A change in the dolomite calcination temperature from 700 to 900 °C led to a significant change in the TAN and viscosity of the methanol-added bio-oil. Dolomite activated at higher temperatures had larger amounts of active CaO and MgO species due to the enhanced decarboxylation of calcium and magnesium carbonates. An increase in the dolomite content (1-5 wt%) decreased the TAN value of bio-oil remarkably. A thermal aging test of the methanol-added bio-oil upgraded using dolomite (calcined at 900 °C) at 50 °C for 24 h was carried out by storing the bio-oil at 80 °C for one week. Although the TAN value increased after the aging process, it was still lower than the TAN of raw bio-oil. In addition, increasing the methanol content (10-30 wt%) decreased the TAN and viscosity of the bio-oil significantly.
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Cha JS, Park SH, Jung SC, Ryu C, Jeon JK, Shin MC, Park YK, J. Ind. Eng. Chem., 40, 1 (2016)
Kim YM, Kim BS, Chea KS, Jo TS, Kim S, Park YK, Appl. Chem. Eng., 27(4), 407 (2016)
Aramburu B, Valle B, Santiviago C, Bilbao J, Gayubo AG, Chem. Eng. Trans., 37, 451 (2014)
Xiu S, Shahbazi A, Renew. Sust. Energ. Rev., 16, 4406 (2012)
Li X, Gunawan R, Lievens C, Wang Y, Mourant D, Wang S, Wu HW, Garcia-Perez M, Li CZ, Fuel, 90(7), 2530 (2011)
Weerachanchai P, Tangsathitkulchai C, Tangsathitkulchai M, Korean J. Chem. Eng., 29, 182 (2011)
Talukder MMR, Wu JC, Lau SK, Cui LC, Shimin G, Lim A, Energy Fuels, 23(1), 1 (2009)
Valle B, Aramburu B, Santiviago C, Bilbao J, Gayubo AG, Energy Fuels, 28(10), 6419 (2014)
Albuquerque MCG, Jimenez-Urbistondo I, Santamaria-Gonzalez J, Merida-Robles JM, Moreno-Tost R, Rodriguez-Castellon E, Jimenez-Lopez A, Azevedo DCS, Cavalcante CL, Maireles-Torres P, Appl. Catal. A: Gen., 334(1-2), 35 (2008)
Kouzu M, Kasuno T, Tajika M, Yamanaka S, Hidaka J, Appl. Catal. A: Gen., 334(1-2), 357 (2008)
Kouzu M, Yamanaka S, Hidaka J, Tsunomori M, Appl. Catal. A: Gen., 355(1-2), 94 (2009)
Liu XJ, He HY, Wang YJ, Zhu SL, Piao XL, Fuel, 87(2), 216 (2008)
Kouzu M, Kasuno T, Tajika M, Sugimoto Y, Yamanaka S, Hidaka J, Fuel, 87(12), 2798 (2008)
Granados ML, Poves MDZ, Alonso DM, Mariscal R, Galisteo FC, Moreno-Tost R, Santamaria J, Fierro JLG, Appl. Catal. B: Environ., 73(3-4), 317 (2007)
MacLeod CS, Harvey AP, Lee AF, Wilson K, Chem. Eng. J., 135(1-2), 63 (2008)
Lee YJ, Shafaghat H, Kim JK, Jeon JK, Jung SC, Lee IG, Park YK, Korean J. Chem. Eng., 34(8), 2180 (2017)
Matabola KP, van der Merwe EM, Strydom CA, Labuschagne FJW, J. Chem. Technol. Biotechnol., 85(12), 1569 (2010)
