激光燃烧处理棕榈废弃物的尝试

IF 1.9 4区物理与天体物理 Q3 OPTICS

Journal of the European Optical Society-Rapid Publications Pub Date : 2023-01-12 DOI:10.1051/jeos/2023003

Ali Abdel-Rahman Marouf, Fatima Awad, Yousef A. Alsabah, Mohammed U. Orsod

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引用次数: 1

摘要

本研究的重点是开发一种方法，以证明从凤爪树残留物中获得有用和高价值资源的可行性，并确定椰枣树残留物的物理和化学性质。使用输出功率为40W的Nd:YAG激光器燃烧椰枣叶和纤维样品50秒。研究发现，农业废弃物的燃烧可以通过激光在30秒内完成，而通过微波需要1-2分钟，常规加热至少需要2小时。通过X射线衍射（XRD）和傅立叶变换红外光谱（FTIR）对燃烧前后的叶片和纤维样品进行了研究。燃烧后的棕榈纤维的XRD结果表明，样品结晶为乙酰胺和hatrurite的菱形相、正交有限相和Ca4Si2O6（CO3）（OH）2，以及具有ikaite性质的单斜相。燃烧后棕榈叶的XRD图谱显示，样品由斜方方辉橄榄岩、菱面体乙酰胺结晶，以及每种钙磷矿、锰磷矿和辉绿岩的单斜相结晶。最后，FTIR显示出几个吸收峰，归属于二氧化硅。

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An Attempt to Apply Laser Combustion to Palm Waste

The focus of this study was to develop a method to demonstrate the feasibility of obtaining useful and high-value resources from Phoenix dactylifera residues and, to determine the physical and chemical properties of the ash of dates-palm-tree remains. Date-palm leaves and fiber samples were combusted for 50 s, using an Nd: YAG laser with 40 W output power. It was found, that combustion of agricultural waste could be completed in 30 seconds by laser while it required 1-2 minutes by microwave and at least 2 hours for conventional heating. The subjects of this treatment, the leaves and fiber samples, before and after combustion were investigated by X-ray diffraction (XRD) and Fourier transform infrared (FTIR). The XRD results of the palm-fiber after combustion reveal that the samples were crystallized with a rhombohedral phase of acetamide and hatrurite, orthorhombic finite, and Ca4Si2O6 (CO3)(OH)2, and a monoclinic phase of ikaite properties. The XRD patterns of palm-leaf after combustion reveal that the samples were crystallized with orthorhombic hillebrandite, rhombohedral acetamide, and the monoclinic phase of each karpatite, morganite, and howlite. Finally, the FTIR exhibited several absorbance peaks, assigned to silica.

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来源期刊

Journal of the European Optical Society-Rapid Publications 物理-光学

CiteScore

2.40

自引率

0.00%

发文量

审稿时长

5 weeks

期刊介绍： Rapid progress in optics and photonics has broadened its application enormously into many branches, including information and communication technology, security, sensing, bio- and medical sciences, healthcare and chemistry. Recent achievements in other sciences have allowed continual discovery of new natural mysteries and formulation of challenging goals for optics that require further development of modern concepts and running fundamental research. The Journal of the European Optical Society – Rapid Publications (JEOS:RP) aims to tackle all of the aforementioned points in the form of prompt, scientific, high-quality communications that report on the latest findings. It presents emerging technologies and outlining strategic goals in optics and photonics. The journal covers both fundamental and applied topics, including but not limited to: Classical and quantum optics Light/matter interaction Optical communication Micro- and nanooptics Nonlinear optical phenomena Optical materials Optical metrology Optical spectroscopy Colour research Nano and metamaterials Modern photonics technology Optical engineering, design and instrumentation Optical applications in bio-physics and medicine Interdisciplinary fields using photonics, such as in energy, climate change and cultural heritage The journal aims to provide readers with recent and important achievements in optics/photonics and, as its name suggests, it strives for the shortest possible publication time.