Low-cost preparation of photocatalytic hydrolyzed cellulose composites, activated with one-step synthesized graphene oxide-metal oxide for dye degradation

IF 4.8 2区工程技术 Q1 MATERIALS SCIENCE, PAPER & WOOD

Cellulose Pub Date : 2025-04-19 DOI:10.1007/s10570-025-06521-y

Huseyin Gumus, Bulent Buyukkidan

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Abstract

In this study, a graphene oxide-metal oxide photocatalyst (GO-Mox) was prepared via a low-cost single-step carbonization process. The photocatalyst was mixed with hydrolyzed cellulose (Phc, derived from textile waste)-PVDF to obtain photocatalytic polymeric composites via nonsolvent-induced phase separation in dimethyl formamide (DMAc). The physicochemical and structural properties of the powder and composites were characterized by X-ray diffraction, scanning electron microscopy and Fourier transform infrared spectroscopy. Photoluminescence analysis and contact angle measurements were carried out. The photocatalytic properties of the composites were evaluated against the model pollutant methyl orange in the presence of air and H₂O₂ in batch systems. The highest decolorization and the removal capacity of kinetic calculations at equilibrium were 91.8% and 383 mg g⁻¹ with Phc-30 respectively. The usability of composites as membrane materials was tested in the filtration cell. The flux and rejection percentage of Phc-20 were found as 42 L m⁻² h⁻¹ bar⁻¹ and 73%, respectively. The Phc composites were found to be highly reusable and suitable as membrane materials with considerable dye removal performance and easy applicability.

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低成本制备光催化水解纤维素复合材料，一步合成氧化石墨烯-金属氧化物降解染料

在本研究中，通过低成本的单步碳化工艺制备了氧化石墨烯-金属氧化物光催化剂（GO-Mox）。将光催化剂与水解纤维素（Phc，来源于纺织废料）-PVDF混合，在二甲酰胺（DMAc）中进行非溶剂诱导相分离，得到光催化聚合物复合材料。采用x射线衍射、扫描电镜和傅里叶变换红外光谱对粉末和复合材料的物理化学和结构性能进行了表征。进行了光致发光分析和接触角测量。考察了复合材料在空气和H2O2存在下对模型污染物甲基橙的光催化性能。在Phc-30条件下，最高脱色率为91.8%，最高去除率为383 mg g−1。在过滤池中测试了复合材料作为膜材料的可用性。ph -20的通量和截留率分别为42 L m−2 h−1 bar−1和73%。Phc复合材料具有较高的可重复利用性，适合作为膜材料，具有较好的脱染性能和适用性。

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来源期刊

Cellulose 工程技术-材料科学：纺织

CiteScore

10.10

自引率

10.50%

发文量

580

审稿时长

3-8 weeks

期刊介绍： Cellulose is an international journal devoted to the dissemination of research and scientific and technological progress in the field of cellulose and related naturally occurring polymers. The journal is concerned with the pure and applied science of cellulose and related materials, and also with the development of relevant new technologies. This includes the chemistry, biochemistry, physics and materials science of cellulose and its sources, including wood and other biomass resources, and their derivatives. Coverage extends to the conversion of these polymers and resources into manufactured goods, such as pulp, paper, textiles, and manufactured as well natural fibers, and to the chemistry of materials used in their processing. Cellulose publishes review articles, research papers, and technical notes.