| 王淳玉,苏祖特,叶勇,方文韬,陈港.干法工艺再生纸浆的制备技术、特性及应用研究[J].中国造纸,2026,45(3):102-108 |
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| 干法工艺再生纸浆的制备技术、特性及应用研究 |
| Research on Preparation Technology, Characteristics and Applications of Dry-process Recycled Pulp |
| 收稿日期:2025-12-07 修订日期:2026-01-07 |
| DOI:10.11980/j.issn.0254-508X.2026.03.012 |
| 关键词: 干法工艺再生纸浆 纤维形态 生产流程 物理性能 |
| Key Words:dry-process recycled pulp fiber morphology production process physical properties |
| 基金项目:广东省自然科学基金项目(2021A1515010538);制浆造纸工程国家重点实验室项目(2020ZD02);国家重点研发计划(2018YFC1902102)。 |
| 作者 | 单位 | 邮编 | | 王淳玉* | 1华南理工大学先进造纸与纸基材料全国重点实验室,广东广州,510640 2华南理工大学轻工科学与工程学院,广东广州,510640 | 510640 | | 苏祖特 | 1华南理工大学先进造纸与纸基材料全国重点实验室,广东广州,510640 2华南理工大学轻工科学与工程学院,广东广州,510640 | 510640 | | 叶勇 | 1华南理工大学先进造纸与纸基材料全国重点实验室,广东广州,510640 2华南理工大学轻工科学与工程学院,广东广州,510640 | 510640 | | 方文韬 | 1华南理工大学先进造纸与纸基材料全国重点实验室,广东广州,510640 2华南理工大学轻工科学与工程学院,广东广州,510640 | 510640 | | 陈港* | 1华南理工大学先进造纸与纸基材料全国重点实验室,广东广州,510640 2华南理工大学轻工科学与工程学院,广东广州,510640 3广东省特种纸与纸基功能材料工程技术研究中心,广东广州,510640 | 510640 |
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| 摘要:本研究基于相关标准,针对干法工艺再生纸浆,系统分析其生产工艺流程,并对其纤维形态特征、夹杂物含量、机械性能、微生物及重金属含量进行综合评价。结果表明,干法工艺再生纸浆样品中3种纤维平均长度>1.00 mm(另一样品为0.97 mm),平均长径比超过40,纸张耐破指数>1.30 kPa·m²/g,部分性能指标优于普通桉木浆;样品中未检出致病微生物,抄片后纸张菌落总数降低2个数量级;夹杂物含量均低于0.5%,符合GB/T 43393—2023要求。 |
| Abstract:Based on relevant industry standards, this paper systematically analyzed the production process of dry-process recycled pulp, a topic of growing interest, and comprehensively evaluated its fiber morphological characteristics, contaminant content, mechanical properties, microbial distribution, and heavy metal content. The results showed that among the dry-process recycled pulp, three experimental samples exhibited average fiber lengths exceeding 1.00 mm (with one sample measuring 0.97 mm), an average aspect ratio greater than 40, and burst indices of paper sheets above 1.30 kPa·m²/g. Several performance indicators were superior to those of conventional eucalyptus pulp. No pathogenic microorganisms were detected in the samples, and the total bacterial count decreased by two orders of magnitude after sheet formation. The contaminant content in all samples remained below 0.5%, meeting GB/T 43393—2023 requirements. |
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