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Sustainable Chemicals from Biomass C...

Kim, Min Soo,

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Sustainable Chemicals from Biomass Catalytic Conversion and Biodegradable Plastics Development /

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Sustainable Chemicals from Biomass Catalytic Conversion and Biodegradable Plastics Development // Min Soo Kim.
作者:	Kim, Min Soo,
面頁冊數:	1 electronic resource (343 pages)
附註:	Source: Dissertations Abstracts International, Volume: 86-01, Section: B.
Contained By:	Dissertations Abstracts International86-01B.
標題:	Chemical engineering. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31483503
ISBN:	9798383227985

Sustainable Chemicals from Biomass Catalytic Conversion and Biodegradable Plastics Development /
Kim, Min Soo,

Sustainable Chemicals from Biomass Catalytic Conversion and Biodegradable Plastics Development /Min Soo Kim. - 1 electronic resource (343 pages)

Source: Dissertations Abstracts International, Volume: 86-01, Section: B.

The escalating need for fuels and chemicals sourced from sustainable carbon has intensified interest in biomass as a renewable raw material. Triacetic acid lactone (TAL) and hydroxymethyl furfural (HMF) are increasingly recognized as versatile platform chemicals capable of being transformed into a variety of valuable compounds traditionally obtained from petrochemicals. The efficient conversion of these platform chemicals is crucial for developing sustainable manufacturing processes for these high-value end products. This dissertation concentrates on the catalytic enhancement of TAL into sorbic acid and its potassium salt, potassium sorbate (KS), which find widespread use in the food and pharmaceutical sectors as antimicrobial preservatives. Initially, a novel method for producing KS directly from TAL using THF solvent is introduced, eliminating the intermediate production of sorbic postoperative. It is demonstrated that TAL-derived KS exhibits antimicrobial properties comparable to those of commercially available KS against various bacteria and fungi. However, the use of THF poses environmental and health concerns, particularly in food-related applications. Consequently, we explore a catalytic method utilizing food-grade solvents like ethanol (EtOH) and isopropyl alcohol (IPA). The feasibility of scaling up the production of KS from sugarcane using the developed process in IPA is examined through techno-economic analysis (TEA) and life cycle assessment (LCA). Catalyst deactivation caused by impurities in the biomass-derived feedstock is one of the challenges in the biomass refinery process. Thus, this work also proposes an integrated method for producing δ-lactam from glucose-derived TAL through a combination of biological and chemical catalysis, including metabolic engineering, isomerization, aminolysis, and catalytic hydrogenation/hydrogenolysis. This novel approach allows for the direct use of TAL from the filtered aqueous fermentation broth, bypassing the isolation stage by leveraging the direct production of MPO from glucose. Further, this dissertation offers a fundamental exploration of effective catalytic processes for the sustainable production of HAH (HMF-Acetone-HMF) and discusses its potential industrial uses as a pharmaceutical ingredient and monomer. Additionally, the thesis addresses the environmental impact of plastic waste by developing biodegradable plastics. We provide a comprehensive overview of the state of the art of biodegradable plastics with focusing on clarifying the definitions and various terms associated with biodegradable plastics including oxo-degradable plastics, enzyme-mediated plastics, and biodegradation agents. We synthesize a new polyester, poly(pentylene adipate-co-terephthalate) (PPAT), which can replace polyethylene in flexible packaging films. The characteristics and biodegradability of PPAT are thoroughly analyzed, providing a promising solution to the global challenge of plastic waste accumulation in oceans and soils.

English

ISBN: 9798383227985Subjects--Topical Terms:

560457
Chemical engineering.
Subjects--Index Terms:

Hydroxymethyl furfural

Sustainable Chemicals from Biomass Catalytic Conversion and Biodegradable Plastics Development /
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502 $b Ph.D. $c The University of Wisconsin - Madison $d 2024.
520 $a The escalating need for fuels and chemicals sourced from sustainable carbon has intensified interest in biomass as a renewable raw material. Triacetic acid lactone (TAL) and hydroxymethyl furfural (HMF) are increasingly recognized as versatile platform chemicals capable of being transformed into a variety of valuable compounds traditionally obtained from petrochemicals. The efficient conversion of these platform chemicals is crucial for developing sustainable manufacturing processes for these high-value end products. This dissertation concentrates on the catalytic enhancement of TAL into sorbic acid and its potassium salt, potassium sorbate (KS), which find widespread use in the food and pharmaceutical sectors as antimicrobial preservatives. Initially, a novel method for producing KS directly from TAL using THF solvent is introduced, eliminating the intermediate production of sorbic postoperative. It is demonstrated that TAL-derived KS exhibits antimicrobial properties comparable to those of commercially available KS against various bacteria and fungi. However, the use of THF poses environmental and health concerns, particularly in food-related applications. Consequently, we explore a catalytic method utilizing food-grade solvents like ethanol (EtOH) and isopropyl alcohol (IPA). The feasibility of scaling up the production of KS from sugarcane using the developed process in IPA is examined through techno-economic analysis (TEA) and life cycle assessment (LCA). Catalyst deactivation caused by impurities in the biomass-derived feedstock is one of the challenges in the biomass refinery process. Thus, this work also proposes an integrated method for producing δ-lactam from glucose-derived TAL through a combination of biological and chemical catalysis, including metabolic engineering, isomerization, aminolysis, and catalytic hydrogenation/hydrogenolysis. This novel approach allows for the direct use of TAL from the filtered aqueous fermentation broth, bypassing the isolation stage by leveraging the direct production of MPO from glucose. Further, this dissertation offers a fundamental exploration of effective catalytic processes for the sustainable production of HAH (HMF-Acetone-HMF) and discusses its potential industrial uses as a pharmaceutical ingredient and monomer. Additionally, the thesis addresses the environmental impact of plastic waste by developing biodegradable plastics. We provide a comprehensive overview of the state of the art of biodegradable plastics with focusing on clarifying the definitions and various terms associated with biodegradable plastics including oxo-degradable plastics, enzyme-mediated plastics, and biodegradation agents. We synthesize a new polyester, poly(pentylene adipate-co-terephthalate) (PPAT), which can replace polyethylene in flexible packaging films. The characteristics and biodegradability of PPAT are thoroughly analyzed, providing a promising solution to the global challenge of plastic waste accumulation in oceans and soils.
546 $a English
590 $a School code: 0262
650 4 $a Chemical engineering. $3 560457
650 4 $a Plastics. $3 649803
650 4 $a Bioengineering. $3 657580
650 4 $a Materials science. $3 543314
653 $a Hydroxymethyl furfural
653 $a Triacetic acid lactone
653 $a Potassium sorbate
653 $a Life cycle assessment
653 $a Biodegradation
690 $a 0542
690 $a 0202
690 $a 0795
690 $a 0794
710 2 $a The University of Wisconsin - Madison. $b Chemical Engineering. $e degree granting institution. $3 3817186
720 1 $a Huber, George W. $e degree supervisor.
773 0 $t Dissertations Abstracts International $g 86-01B.
790 $a 0262
791 $a Ph.D.
792 $a 2024
856 4 0 $u https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31483503