Journal
BIORESOURCE TECHNOLOGY
Volume 102, Issue 6, Pages 4456-4461Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2010.12.097
Keywords
Biodiesel; Reactor; Continuous-flow; Conversion efficiency; Micro-reactors
Funding
- Laboratory Directed Research and Development (LDRD) program at Sandia National Laboratories
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Slit-channel reactors are reactors whose active surface areas are orders of magnitude higher than those of micro-reactors but have low fabrication costs relative to micro-reactors. We successfully produced biodiesel with different degrees of conversion using homogeneous catalyst in the slit-channel reactor. The reactor performance shows that percent conversion of soybean oil to biodiesel increases with channel depth, as expected, due to more efficient mixing. Shallow slit-channels require short average residence times for complete product conversion. Present results show that the slit-channel reactor provides an improved performance over traditional batch reactors using homogeneous sodium alkoxide catalyst. It is aimed to couple the reactors with solid catalysts in converting soybean oil to biodiesel and implementation method is suggested. The cost advantages resulting from the ease of fabrication of slit-channel reactors over micro-reactors and how these factors relate to the oil conversion efficiency to biodiesel are briefly noted and discussed. (C) 2010 Elsevier Ltd. All rights reserved.
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