What environmental measures are implemented in the manufacturing process of packaging boxes?
2025-10-28
- Raw Material Stage: Controlling Environmental Attributes at the Source
The selection of raw materials directly determines the foundational environmental performance of paper box manufacturing. Prioritize the use of renewable, low-pollution materials.
Select Green Base Materials:
- Prioritize FSC (Forest Stewardship Council) certified virgin wood pulp paper to ensure sustainable timber sourcing.
- Promote the use of recycled paper, such as recycled corrugated paper made from recycled cardboard boxes, to reduce reliance on virgin timber.
Reject harmful additives: Avoid paper treatment agents containing heavy metals or volatile organic compounds (VOCs). For instance, when improving paper stiffness, opt for plant-based additives instead of chemically synthesized ones. - Production and Processing Phase: Reducing Energy Consumption and Pollutant Emissions
This phase minimizes energy waste and pollutant generation during production through process optimization and equipment upgrades.
Eco-friendly Printing Processes: Promoting the use of environmentally friendly inks such as water-based and soy-based inks, which emit significantly lower VOCs than traditional solvent-based inks; replacing some offset printing processes with flexographic printing to reduce ink consumption and rinse wastewater generation.
Energy-Efficient Equipment and Technology: Implementing variable-frequency motor-controlled cutting and die-cutting machines that automatically adjust energy consumption based on production demands; utilizing waste heat recovery systems to reuse residual heat from drying processes for workshop heating or equipment preheating, thereby reducing energy consumption.
Wastewater and Exhaust Reduction: Water-soluble eco-friendly adhesives are used in cardboard bonding, with cleaning wastewater recycled after simple treatment. Minimal exhaust gases from printing and drying are filtered through activated carbon adsorption units before discharge, meeting environmental standards. - Finished Products and Waste Management: Enhancing Recyclability and Resource Recovery
Extend the life cycle of paper boxes and reduce waste generation through optimized product design and waste management.
Optimizing Box Design and Structure: Design glue-free snap-fit cartons to reduce adhesive usage while facilitating disassembly and recycling. Implement “lightweight” designs that reduce cardboard thickness without compromising strength—for example, decreasing corrugated cardboard layers in shipping boxes from five to three to lower material consumption.
Waste Recycling: Paper trimmings and cutting waste generated during production are centrally collected and returned directly to the waste paper processing workshop for reprocessing into recycled pulp, achieving an “in-house recycling loop.” Small amounts of non-recyclable residue are entrusted to specialized agencies for harmless treatment, preventing environmental pollution from improper disposal.
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