创新资源回收：利用Box-Behnken设计将废弃的纸尿裤（D3）转化为活性炭

IF 3.4 4区环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES

International Journal of Environmental Science and Technology Pub Date : 2025-07-22 DOI:10.1007/s13762-025-06638-4

D. R. S. I. Shah, N. F. Anuar, S. Z. Roslan, M. Musa, W. M. A. W. Daud, A. B. Alias, N. Aghamohammadi

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引用次数: 0

摘要

本研究旨在利用响应面法下的Box-Behnken设计（BBD）优化废弃纸尿裤（D3AC）的活性炭生产工艺。生物炭（D3B）最初是通过900°C氮气流下90分钟的碳化，然后用CO2进行物理活化来生产的。BBD模型具有较强的可靠性（R2 = 0.9972），能够有效预测活化温度、保温时间和CO₂流量对表面积发展的影响。优化条件下，D3AC的BET比表面积为1235.32 m2/g，显著高于D3B的479.79 m2/g，且微孔结构发育良好。相比之下，D3B的总孔隙体积和灰分含量更高。这些发现证实了通过参数优化成功提高了孔隙度和表面特征，并支持了利用统计设计进行热化学转化的可行性。图形抽象

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Innovative resource recovery: converting discarded disposable diapers (D3) into activated carbon using Box–Behnken design

This study aims to optimize the production of activated carbon from discarded disposable diapers (D3AC) using Box–Behnken design (BBD) under response surface methodology. Biochar (D3B) was initially produced via carbonization at 900 °C for 90 min under nitrogen flow, followed by physical activation with CO₂. The BBD model demonstrated strong reliability (R² = 0.9972), effectively predicting the influence of activation temperature, holding time, and CO₂ flowrate on surface area development. Under optimized conditions, D3AC exhibited a BET surface area of 1235.32 m²/g, significantly higher than that of D3B (479.79 m²/g), with a well-developed microporous structure. In contrast, D3B displayed higher total pore volume and ash content. These findings confirm the successful enhancement of porosity and surface characteristics through parameter optimization and support the feasibility of thermochemical conversion using statistical design.

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来源期刊

International Journal of Environmental Science and Technology 环境科学-环境科学

CiteScore

5.60

自引率

6.50%

发文量

806

审稿时长

10.8 months

期刊介绍： International Journal of Environmental Science and Technology (IJEST) is an international scholarly refereed research journal which aims to promote the theory and practice of environmental science and technology, innovation, engineering and management. A broad outline of the journal''s scope includes: peer reviewed original research articles, case and technical reports, reviews and analyses papers, short communications and notes to the editor, in interdisciplinary information on the practice and status of research in environmental science and technology, both natural and man made. The main aspects of research areas include, but are not exclusive to; environmental chemistry and biology, environments pollution control and abatement technology, transport and fate of pollutants in the environment, concentrations and dispersion of wastes in air, water, and soil, point and non-point sources pollution, heavy metals and organic compounds in the environment, atmospheric pollutants and trace gases, solid and hazardous waste management; soil biodegradation and bioremediation of contaminated sites; environmental impact assessment, industrial ecology, ecological and human risk assessment; improved energy management and auditing efficiency and environmental standards and criteria.