A critical review of separation technologies in lignocellulosic biomass conversion to liquid transportation fuels production processes

A critical review of separation methods and technologies for lignocellulosic biomass conversion through thermochemical processes to liquid fuels is presented. The multistep processing of biomass includes thermochemical conversion, product upgrading and final fuels separation. Chemicals and biofuels...

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Bibliographic Details
Published inChemical engineering communications Vol. 209; no. 4; pp. 529 - 554
Main Authors Ibarra-Gonzalez, Paola, Christensen, Lars Porskjaer, Rong, Ben-Guang
Format Journal Article
LanguageEnglish
Published Philadelphia Taylor & Francis 03.04.2022
Taylor & Francis Ltd
Subjects
Biodiesel fuels
Biofuels
Biomass
Conversion
Distillation
Fractionation
Gasification
Lignocellulose
lignocellulosic biomass
Liquefaction
Liquid fuels
mixture characterization
Phase separation
product upgrading and fuels recovery
Pyrolysis
Refineries
Separation technologies
Streams
thermochemical conversion
Upgrading
Washing
Wastewater
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Summary:A critical review of separation methods and technologies for lignocellulosic biomass conversion through thermochemical processes to liquid fuels is presented. The multistep processing of biomass includes thermochemical conversion, product upgrading and final fuels separation. Chemicals and biofuels are produced from intermediate streams in each processing section. In the thermochemical conversion, product streams from gasification, liquefaction and pyrolysis require separation technologies for conditioning of main products and removal of impurities. In the upgrading, the separation technologies play an important role in the definition of different process configurations for conversion of unstable hydrocarbon fractions into specific biofuel types and chemicals via upgrading reactions. In the final fuels' separation section, separation technologies must be implemented to separate desired biofuels from gases, chemicals, wastewater and solid products. Hence, for total biomass to liquid (BtL) processes, separation technologies are important to improve the interface between the sections and to determine the substructures and subsequent processing methods and techniques. It is observed that separation is more demanding in such biorefinery processes for BtL productions. On the other hand, the widely used separation methods in refineries are also mostly employed in BtL processes including phase separation, scrubbing, filtration, extraction, absorption, distillation, fractionation.
ISSN:0098-6445
1563-5201
DOI:10.1080/00986445.2021.1874367