Preparation of wood-based hydrogel membranes for efficient purification of complex wastewater using a reconstitution strategy

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外文摘要：To avoid resource wastage and secondary environmental pollution,recycling and reusing waste wood powder is still a great challenge.Moreover,the poor viscosity and irregular pore size of wood powder limit its practical application.This study employed a green and convenient wood powder reconstitution strategy to achieve highly adhesive bonding and pore size control between wood powder particles,thus preparing a high-strength and super hydrophilic wood powder membrane.The wood powder fibers were partially dissolved and regenerated to create a reconstituted wood powder hydrogel membrane,using waste wood powder as the raw material.The wood powder reconstitution strategy offers advantages such as environmental friendliness,simplicity,cost-effectiveness,and strong universality.Furthermore,the materials exhibit excellent self-cleaning properties and superhydrophilicity.Driven by gravity,the membrane can purify oily wastewater and dyes.Additionally,the reconstitution strategy offers a new pathway for recycling wood powder.

外文关键词：

Wood powderReconstitution strategyHydrogel membraneRecyclingWastewater

作者：

Qian He、Junkai Gao、Zhongzhi Chen、Yuanjing Ding、Mengsheng Xia、Pengtao Xu、Yan Chen

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作者单位：

School of Naval Architecture and Maritime,Zhejiang Ocean University,Zhoushan 316022,China

InnoTech Alberta,P.O.Box 4000,Hwy 16A & 75 Street,Vegreville,AB T9C 1T4,Canada

基金：

Zhejiang Provincial Natural Science Foundation of ChinaScience and Technology Planning Project of Zhoushan of ChinaNational Natural Science Foundation of China

项目编号：

LY23D0600042022C4100551606168

出版年：

2024

DOI：

10.1007/s11783-024-1844-z

环境科学与工程前沿

高等教育出版社

环境科学与工程前沿

影响因子：0.545

ISSN：2095-2201

年,卷(期)：2024.18(7)