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Title: Development of algae biorefinery concepts for biofuels and bioproducts; a perspective on process-compatible products and their impact on cost-reduction

Abstract

Identifying and addressing critical improvements in biomass, bioproduct and biofuel productivity is a priority for the nascent algae-based bioeconomy. Economic and sustainability principles should guide these developing improvements and help to unravel the contentious water–food–energy–environment nexus that algae inhabit. Understanding the biochemistry of the storage carbon metabolism of algae to produce biofuels and bioproducts can bring to light the key barriers that currently limit the overall carbon efficiency and the photosynthetic efficiency, and ultimately guide productivity and commercial viability in the context of limiting resources. In the analysis reported here, we present different potential pathways for a conceptual algae biorefinery framework, with each pathway addressing one of the main identified barriers to future deployment. We highlight the molecular identification, in the form of an extensive literature review, of potential bioproducts that may be derived directly from both biomass and fractions produced through a conversion pathway, for three important commercially-relevant genera of algae, Scenedesmus, Chlorella and Nannochloropsis. Here, we establish a relationship between each of the potential bioproducts, describe relevant conversion and extraction processes, and discuss market opportunities with values and sizes as they relate to commercial development of the products.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1];  [2]; ORCiD logo [1];  [1];  [1]; ORCiD logo [1];  [1];  [1]
  1. National Bioenergy Center, National Renewable Energy Laboratory, Golden, USA
  2. Transportation and Hydrogen Systems Center, National Renewable Energy Laboratory, Golden, USA
Publication Date:
Research Org.:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Office of Sustainable Transportation. Bioenergy Technologies Office (BETO); USDOE Office of Energy Efficiency and Renewable Energy (EERE), Sustainable Transportation Office. Bioenergy Technologies Office (BETO)
OSTI Identifier:
1439483
Alternate Identifier(s):
OSTI ID: 1375622
Report Number(s):
NREL/JA-5100-68977
Journal ID: ISSN 1754-5692; EESNBY
Grant/Contract Number:  
AC36-08-GO28308; AC36-08GO28308
Resource Type:
Published Article
Journal Name:
Energy & Environmental Science
Additional Journal Information:
Journal Name: Energy & Environmental Science Journal Volume: 10 Journal Issue: 8; Journal ID: ISSN 1754-5692
Publisher:
Royal Society of Chemistry (RSC)
Country of Publication:
United Kingdom
Language:
English
Subject:
09 BIOMASS FUELS; biomass; bioproducts; biofuels; algae; biorefinery

Citation Formats

Laurens, Lieve M. L., Markham, Jennifer, Templeton, David W., Christensen, Earl D., Van Wychen, Stefanie, Vadelius, Eric W., Chen-Glasser, Melodie, Dong, Tao, Davis, Ryan, and Pienkos, Philip T. Development of algae biorefinery concepts for biofuels and bioproducts; a perspective on process-compatible products and their impact on cost-reduction. United Kingdom: N. p., 2017. Web. doi:10.1039/C7EE01306J.
Laurens, Lieve M. L., Markham, Jennifer, Templeton, David W., Christensen, Earl D., Van Wychen, Stefanie, Vadelius, Eric W., Chen-Glasser, Melodie, Dong, Tao, Davis, Ryan, & Pienkos, Philip T. Development of algae biorefinery concepts for biofuels and bioproducts; a perspective on process-compatible products and their impact on cost-reduction. United Kingdom. https://doi.org/10.1039/C7EE01306J
Laurens, Lieve M. L., Markham, Jennifer, Templeton, David W., Christensen, Earl D., Van Wychen, Stefanie, Vadelius, Eric W., Chen-Glasser, Melodie, Dong, Tao, Davis, Ryan, and Pienkos, Philip T. Sun . "Development of algae biorefinery concepts for biofuels and bioproducts; a perspective on process-compatible products and their impact on cost-reduction". United Kingdom. https://doi.org/10.1039/C7EE01306J.
@article{osti_1439483,
title = {Development of algae biorefinery concepts for biofuels and bioproducts; a perspective on process-compatible products and their impact on cost-reduction},
author = {Laurens, Lieve M. L. and Markham, Jennifer and Templeton, David W. and Christensen, Earl D. and Van Wychen, Stefanie and Vadelius, Eric W. and Chen-Glasser, Melodie and Dong, Tao and Davis, Ryan and Pienkos, Philip T.},
abstractNote = {Identifying and addressing critical improvements in biomass, bioproduct and biofuel productivity is a priority for the nascent algae-based bioeconomy. Economic and sustainability principles should guide these developing improvements and help to unravel the contentious water–food–energy–environment nexus that algae inhabit. Understanding the biochemistry of the storage carbon metabolism of algae to produce biofuels and bioproducts can bring to light the key barriers that currently limit the overall carbon efficiency and the photosynthetic efficiency, and ultimately guide productivity and commercial viability in the context of limiting resources. In the analysis reported here, we present different potential pathways for a conceptual algae biorefinery framework, with each pathway addressing one of the main identified barriers to future deployment. We highlight the molecular identification, in the form of an extensive literature review, of potential bioproducts that may be derived directly from both biomass and fractions produced through a conversion pathway, for three important commercially-relevant genera of algae, Scenedesmus, Chlorella and Nannochloropsis. Here, we establish a relationship between each of the potential bioproducts, describe relevant conversion and extraction processes, and discuss market opportunities with values and sizes as they relate to commercial development of the products.},
doi = {10.1039/C7EE01306J},
journal = {Energy & Environmental Science},
number = 8,
volume = 10,
place = {United Kingdom},
year = {Sun Jan 01 00:00:00 EST 2017},
month = {Sun Jan 01 00:00:00 EST 2017}
}

Journal Article:
Free Publicly Available Full Text
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https://doi.org/10.1039/C7EE01306J

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