Carbon emissions analysis of the pulp molding industry: a comparison of dry-press and wet-press production processes
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Zhisheng Lv
, Shaohong Jiang , Lingjun Wei , Hao Sun , Yuhui Liu , Jieyu Cui and Wanlu Zhang
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.
Funding source: Jiangsu Province Food Advanced Manufacturing Equipment Technology Key Laboratory independent research project
Award Identifier / Grant number: FMZ201905
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Research ethics: Not applicable.
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Informed consent: Informed consent was obtained from all individuals included in this study.
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Author contributions: The authors have accepted responsibility for the entire content of this manuscript and approved its submission.
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Competing interests: The authors state no conflicts of interest.
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Research funding: This research was supported by the Jiangsu Province Food Advanced Manufacturing Equipment Technology Key Laboratory independent research project (FMZ201905).
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Data availability: Not applicable.
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Articles in the same Issue
- Frontmatter
- Biorefining
- Effects of trace elements (Fe, Cu, Ni, Co and Mg) on biomethane production from paper mill wastewater
- Paper Technology
- Water-dispersible paper for packaging applications – balancing material strength and dispersibility
- Recyclable oil resistant paper with enhanced water resistance based on alkyl ketene dimer modified sodium alginate
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- Carbon emissions analysis of the pulp molding industry: a comparison of dry-press and wet-press production processes
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Articles in the same Issue
- Frontmatter
- Biorefining
- Effects of trace elements (Fe, Cu, Ni, Co and Mg) on biomethane production from paper mill wastewater
- Paper Technology
- Water-dispersible paper for packaging applications – balancing material strength and dispersibility
- Recyclable oil resistant paper with enhanced water resistance based on alkyl ketene dimer modified sodium alginate
- Coating
- Preparation and properties of a novel decorative base paper for formaldehyde-free adhesive impregnation
- The effect of carbon nanoparticles on cellulosic handsheets
- Environmental Impact
- Effects of programmed maintenance shutdowns on effluent quality of a bleached kraft pulp mill
- Carbon emissions analysis of the pulp molding industry: a comparison of dry-press and wet-press production processes
- Nanotechnology
- Effect of cellulose nanofibril concentration and diameter on the quality of bicomponent yarns
- The preparation of cellulose acetate capsules using emulsification techniques: high-shear bulk mixing and microfluidics
- Lignin
- Great potentials of lignin-based separator for Li-ion battery with electrospinning in aqueous system
- Using guaiacol as a capping agent in the hydrothermal depolymerisation of kraft lignin
- Preparation of flexible and binder-free lignin-based carbon nanofiber electrode materials by electrospinning in aqueous system