Startseite Carbon emissions analysis of the pulp molding industry: a comparison of dry-press and wet-press production processes
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Carbon emissions analysis of the pulp molding industry: a comparison of dry-press and wet-press production processes

  • Zhisheng Lv , Shaohong Jiang , Lingjun Wei , Hao Sun , Yuhui Liu , Jieyu Cui und Wanlu Zhang
Veröffentlicht/Copyright: 6. November 2023
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Abstract

An initial carbon emission calculation formula for the pulp molding industry was first proposed in accordance with the calculation guidelines provided by the Intergovernmental Panel on Climate Change (IPCC). The formula was primarily developed by utilizing the greenhouse gas accounting methods used in the pulp and paper industry and the life cycle assessment (LCA) theory. Carbon dioxide emissions coming into being during the production processes of dry-press and wet-press pulp molding were calculated individually, alongside the carbon emission factors throughout the lifecycle of the products. This study also delivers a comparative analysis of pulp molding products and similar cushion packaging materials. Moreover, the findings reveal that during the production phase, particularly in the formative stages of pulp molding, substantial carbon dioxide emissions would be produced, with dry-press pulp molding products exhibiting markedly higher carbon emission factors than their wet-press counterparts. The primary objective of achieving low-carbon transformation for the pulp molding industry was to reduce the carbon emissions caused by the forming process, primarily by improving the forming process and enhancing energy efficiency or utilizing clean energy.


Corresponding authors: Lingjun Wei, School of Mechanical Engineering, Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment Technology, Jiangnan University, Wuxi 214122, China, E-mail: ; and Hao Sun, School of Mechanical Engineering, Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment Technology, Jiangnan University, Wuxi 214122, China; and Tsinghua Suzhou Environmental Innovation Research Institute, Suzhou 215000, China, E-mail:

Funding source: Jiangsu Province Food Advanced Manufacturing Equipment Technology Key Laboratory independent research project

Award Identifier / Grant number: FMZ201905

  1. Research ethics: Not applicable.

  2. Informed consent: Informed consent was obtained from all individuals included in this study.

  3. Author contributions: The authors have accepted responsibility for the entire content of this manuscript and approved its submission.

  4. Competing interests: The authors state no conflicts of interest.

  5. Research funding: This research was supported by the Jiangsu Province Food Advanced Manufacturing Equipment Technology Key Laboratory independent research project (FMZ201905).

  6. Data availability: Not applicable.

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Received: 2023-05-22
Accepted: 2023-10-08
Published Online: 2023-11-06
Published in Print: 2023-12-15

© 2023 Walter de Gruyter GmbH, Berlin/Boston

Heruntergeladen am 18.11.2025 von https://www.degruyterbrill.com/document/doi/10.1515/npprj-2023-0032/pdf?lang=de
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