Abstract
AbstractPipeline hydro‐transport is an alternative to truck delivery of agricultural residue (lignocellulosic) biomass. Pipeline hydro‐transport benefits from economies of scale, reduces total delivery costs, and enables bio‐based energy facilities to achieve higher capacities. In this study, the empirical correlation based on experimentally developed data for pipeline transport of agricultural residue‐water mixtures (slurry) was used to develop a data‐intensive techno‐economic model to estimate the cost of pipeline hydro‐transport of wheat straw and corn stover to a bioethanol refinery. The total cost of pipeline hydro‐transport was found to be lowest at 8.8% dry matter slurry solid mass content and 2.5 m s−1 slurry velocity. At this biomass slurry solid mass content and velocity, the pipeline hydro‐transport of biomass was found to be economically more viable than truck delivery at capacities of 0.45 M dry t yr−1 or more for a one‐way pipeline and 1.4 M dry t yr−1 or more for a two‐way pipeline (with the return of the carrier liquid). The ability to economically hydro‐transport agricultural residue biomass in pipes offers the opportunity to develop large‐scale bioethanol plants. © 2015 Society of Chemical Industry and John Wiley & Sons, Ltd
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