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Techno-economic analysis and life cycle assessment of cellulose nanocrystals production from wood pulp

Bioresource technology, 2023-06, Vol.377, p.128955 [Peer Reviewed Journal]

Copyright © 2023 Elsevier Ltd. All rights reserved. ;EISSN: 1873-2976 ;DOI: 10.1016/j.biortech.2023.128955 ;PMID: 36965586

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  • Title:
    Techno-economic analysis and life cycle assessment of cellulose nanocrystals production from wood pulp
  • Author: Rajendran, Naveenkumar ; Runge, Troy ; Bergman, Richard D ; Nepal, Prakash ; Houtman, Carl
  • Subjects: Animals ; Cellulose - chemistry ; Life Cycle Stages ; Nanoparticles - chemistry ; Steam ; Wood - chemistry
  • Is Part Of: Bioresource technology, 2023-06, Vol.377, p.128955
  • Description: Cellulose nanocrystals (CNCs) are biobased materials with many desirable properties such as high aspect ratio, mechanical strength, crystalline nature, and biodegradability. This study developed a commercial-scale process model of CNC production from wood pulp using sulfuric acid treatment and evaluated its techno-economic and environmental performance with and without acid recovery. The results indicated that CNC produced with acid recovery process was financially more profitable with higher project net present values than without acid recovery process but required higher capital which resulted in a longer payback period and lower return on invested capital. The estimated minimum selling prices of CNC produced with and without acid recovery were $4.69/kg and $4.89/kg, respectively. The global warming (GW) impacts of 1 kg CNC production with and without acid recovery were 11.39 and 11.18 kgCO eq, respectively, showing that higher steam use and consequently more fossil fuels were needed in the acid recovery process.
  • Publisher: England
  • Language: English
  • Identifier: EISSN: 1873-2976
    DOI: 10.1016/j.biortech.2023.128955
    PMID: 36965586
  • Source: MEDLINE
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