Properties and application of kraft pulp prepared from waste bamboo powder

Author:

Chen Hua1,Wang Yiying1,Qiu Jiao2,Song Junsheng1,Wang Jianhua3,Liu Mingfang4,Wo Qizhong5,Jiang Liuhao1,Yang Ting1

Affiliation:

1. Zhejiang University of Science and Technology

2. Bamboo Industry Development Center of Anji County Forestry Bureau

3. Hangzhou Tomato Environmental Protection Technology Co.

4. Hangzhou Innovation Ark Technology Co.

5. Zhejiang Paper Products Quality Test Center

Abstract

As a by-product of bamboo processing, bamboo powder is incinerated or buried due to its ineffective utilization, which contributes to pollution. The large amount of waste bamboo powder generated during the processing of bamboo products cannot be effectively utilized. Meanwhile, multiple recycling leads to the loss of fiber quality of corrugated cardboard (OCC) pulp, reducing the mechanical properties of paper. In an effort to obtain high value from waste bamboo powder, this study pulped it using the kraft process. Scanning electron microscope (SEM) observations showed that the surface of bamboo fiber had more cracks, which made bamboo fiber have better air permeability. The permeability of bamboo paper was 146% that of the OCC. X-ray diffraction (XRD) analysis showed that the crystallinity of bamboo pulp was 133% that of the OCC pulp. The results of physical testing of paper showed that the tensile strength of bamboo paper was 116% that of the OCC. The tear strength of bamboo paper was 61.7% that of the OCC, and the bursting strength of bamboo paper was 59.1% that of the OCC. Based on the above results, bamboo powder can be used as raw material for making OCC pulp.

Publisher

BioResources

Subject

Waste Management and Disposal,Bioengineering,Environmental Engineering

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