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Environmental Assessment of Bio-based Fuels and Chemicals Using LCA Methodology.

Record Type:	Language materials, manuscript : Monograph/item
Title/Author:	Environmental Assessment of Bio-based Fuels and Chemicals Using LCA Methodology./
Author:	Montazeri, Mahdokht.
Description:	1 online resource (205 pages)
Notes:	Source: Dissertation Abstracts International, Volume: 78-10(E), Section: B.
Contained By:	Dissertation Abstracts International78-10B(E).
Subject:	Environmental engineering. -
Online resource:	click for full text (PQDT)
ISBN:	9781369806601

Environmental Assessment of Bio-based Fuels and Chemicals Using LCA Methodology.
Montazeri, Mahdokht.

Environmental Assessment of Bio-based Fuels and Chemicals Using LCA Methodology. - 1 online resource (205 pages)

Source: Dissertation Abstracts International, Volume: 78-10(E), Section: B.

Thesis (Ph.D.)

Includes bibliographical references

This item is not available from ProQuest Dissertations & Theses.

Based on US EPA and DOE projections, biomass derived fuels and chemicals will supply up to 17% and 10% of total demand for transport fuels and basic chemicals, respectively, during the coming decade. Such large-scale production requires environmental assessment at a systems level using tools such as life cycle assessment (LCA). This dissertation combines chemical engineering process modeling with LCA to assess environmental impacts of novel bio-based products and synthesis routes. Four projects of this dissertation include, (1) a statistical meta-analysis of life cycle GHG emission and energy use results for priority bio-based chemicals; (2) a process design and LCA analysis of a novel catalytic depolymerization process for production of aromatics from the lignin fraction of woody biomass; (3) an industry-sponsored assessment of the net environmental benefits of substitution of renewable chemical building blocks in the formulation of wood flooring coatings; and (4) evaluation of integrated fuel, energy, and chemicals production from a microalgal biorefinery, considering time-dependent fractional growth kinetics of freshwater and marine microalgae.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2018

Mode of access: World Wide Web

ISBN: 9781369806601Subjects--Topical Terms:

557376
Environmental engineering.
Index Terms--Genre/Form:

554714
Electronic books.

Environmental Assessment of Bio-based Fuels and Chemicals Using LCA Methodology.
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245 1 0 $a Environmental Assessment of Bio-based Fuels and Chemicals Using LCA Methodology.
264 0 $c 2017
300 $a 1 online resource (205 pages)
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500 $a Source: Dissertation Abstracts International, Volume: 78-10(E), Section: B.
500 $a Adviser: Matthew J. Eckelman.
502 $a Thesis (Ph.D.) $c Northeastern University $d 2017.
504 $a Includes bibliographical references
506 $a This item is not available from ProQuest Dissertations & Theses.
520 $a Based on US EPA and DOE projections, biomass derived fuels and chemicals will supply up to 17% and 10% of total demand for transport fuels and basic chemicals, respectively, during the coming decade. Such large-scale production requires environmental assessment at a systems level using tools such as life cycle assessment (LCA). This dissertation combines chemical engineering process modeling with LCA to assess environmental impacts of novel bio-based products and synthesis routes. Four projects of this dissertation include, (1) a statistical meta-analysis of life cycle GHG emission and energy use results for priority bio-based chemicals; (2) a process design and LCA analysis of a novel catalytic depolymerization process for production of aromatics from the lignin fraction of woody biomass; (3) an industry-sponsored assessment of the net environmental benefits of substitution of renewable chemical building blocks in the formulation of wood flooring coatings; and (4) evaluation of integrated fuel, energy, and chemicals production from a microalgal biorefinery, considering time-dependent fractional growth kinetics of freshwater and marine microalgae.
520 $a In general, assessment results of bio-based fuels and chemicals were found to be sensitive to process and LCA model parameters, especially the choice of conversion process, co-product allocation method, and inclusion/exclusion of emissions from land use change. Net GHG emissions results for most sugar-derived chemicals met existing sustainability thresholds, while thermochemical conversions routes typically did not. High-yield conversion of lignin to catechol via catalytic depolymerization is environmentally preferable, when coupled with upstream process modifications such as use of lignin-rich sources and recovery/substitution of chlorinated solvents and ozone-depleting substances. Such a modified pathway showed 6%-80% reduction in impacts, compared to fossil-based catechols. For use of renewable building blocks in industrial coating formulations, substitution of corn-derived chemicals with identical chemicals derived from corn stover reduced impacts by more than 50% across impact categories, primarily due to reductions in on-field emissions. Finally, time-dependent microalgal biorefinery designs were optimized through simultaneous consideration of on-site energy production and protein recovery, in addition to conventional lipid-derived biofuel. Overall, this dissertation develops novel LCA modeling methods and provides guidance for bio-based product design and development and policy.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2018
538 $a Mode of access: World Wide Web
650 4 $a Environmental engineering. $3 557376
650 4 $a Sustainability. $3 793436
650 4 $a Alternative Energy. $3 845381
655 7 $a Electronic books. $2 local $3 554714
690 $a 0775
690 $a 0640
690 $a 0363
710 2 $a ProQuest Information and Learning Co. $3 1178819
710 2 $a Northeastern University. $b Civil and Environmental Engineering. $3 1181732
773 0 $t Dissertation Abstracts International $g 78-10B(E).
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10276044 $z click for full text (PQDT)