Analysis of the synthesis of 1,1-dibutoxyethane in a simulated moving-bed adsorptive reactor

被引:28
|
作者
Graca, Nuno S. [1 ]
Pais, Luis S. [2 ]
Silva, Viviana M. T. M. [1 ]
Rodrigues, Alirio E. [1 ]
机构
[1] Univ Porto, LSRE, Associate Lab LSRE LCM, Dept Chem Engn,Fac Engn, P-4200465 Oporto, Portugal
[2] Braganca Polytech Inst, Sch Technol & Management, P-5301857 Braganca, Portugal
关键词
Simulated moving-bed reactors; Multifunctional reactors; Adsorption; Catalysis; Amberlyst; 15; ESTERIFICATION; CATALYSTS; BUTANOL;
D O I
10.1016/j.cep.2011.08.004
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
The synthesis of 1,1 -dibutoxyethane was carried out in a simulated moving-bed pilot unit LICOSEP 12-26 (Novasep, France) with 12 columns packed with the commercial ion-exchange resin Amberlyst 15 (Rohm & Haas, France). Experimentally the best raffinate purity obtained was 85% with a productivity of 5.04 kg L-1 d(-1) and a desorbent consumption of 13.5 L kg(-1). The TMBR model was used to construct reaction/separation regions and to study the influence of feed composition, switching time, flow rates and mass-transfer resistances on the SMBR performance. The SMBR process shows a potential to be a competitive, efficient and environmentally friendly way to produce 1,1-dibutoxyethane and other acetals. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码:1214 / 1225
页数:12
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