Oil spills removal from seawater surface by magnetic biochar composite derived from Heglig tree bark and cobalt ferrite

IF 1.4 Q2 ENGINEERING, MULTIDISCIPLINARY

World Journal of Engineering Pub Date : 2023-09-07 DOI:10.1108/wje-11-2022-0459

Ibrahim Ali Ahmed Amar, Aeshah Alzarouq, Wajdan Mohammed, Mengfei Zhang, Noarhan Matroed

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引用次数: 0

Abstract

Purpose This study aims to explore the possibility of using magnetic biochar composite (MBCC) derived from Heglig tree bark (HTB) powder (agricultural solid waste) and cobalt ferrite (CoFe2O4, CFO) for oil spill removal from seawater surface. Design/methodology/approach One-pot co-precipitation route was used to synthesize MBCC. The prepared materials were characterized by X-ray diffraction, scanning electron microscopy-energy dispersive X-ray spectroscopy, Fourier transform infrared spectroscopy. The densities of the prepared materials were also estimated. Crude, diesel engine and gasoline engine oils were used as seawater pollutant models. The gravimetric oil removal (GOR) method was used for removing oil spills from seawater using MBCC as a sorbent material. Findings The obtained results revealed that the prepared materials (CFO and MBCC) were able to remove the crude oil and its derivatives from the seawater surface. Besides, when the absorbent amount was 0.01 g, the highest GOR values for crude oil (31.96 ± 1.02 g/g) and diesel engine oil (14.83 ± 0.83 g/g) were obtained using MBCC as an absorbent. For gasoline engine oil, the highest GOR (27.84 ± 0.46 g/g) was attained when CFO was used as an absorbent. Originality/value Oil spill removal using MBCC derived from cobalt ferrite and HTB. Using tree bark as biomass (eco-friendly, readily available and low-cost) for magnetic biochar preparation also is a promising method for minimizing agricultural solid wastes (e.g. HTB) and obtaining value-added-products.

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从Heglig树皮和钴铁氧体中提取的磁性生物炭复合材料去除海水表面溢油

目的探讨利用Heglig树皮(HTB)粉末(农业固体废弃物)和钴铁氧体(CoFe2O4, CFO)制备的磁性生物炭复合材料(MBCC)去除海水表面溢油的可能性。设计/方法/途径采用一锅共沉淀法合成MBCC。采用x射线衍射、扫描电镜、能量色散x射线能谱、傅里叶变换红外光谱对制备的材料进行了表征。并对所制备材料的密度进行了估计。以原油、柴油和汽油机油作为海水污染物模型。以MBCC为吸附剂，采用重力除油法(GOR)对海水中的溢油进行了脱除。结果表明:所制备材料(CFO和MBCC)能够去除海水表面的原油及其衍生物。此外，当吸附剂用量为0.01 g时，MBCC对原油(31.96±1.02 g/g)和柴油(14.83±0.83 g/g)的GOR值最高。对于汽油机机油，以CFO为吸附剂的GOR最高，为27.84±0.46 g/g。原创性/价值使用钴铁氧体和HTB衍生的MBCC去除溢油。利用树皮作为生物质(环保、易得、低成本)制备磁性生物炭也是一种很有前途的方法，可以最大限度地减少农业固体废物(如HTB)和获得增值产品。

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来源期刊

World Journal of Engineering ENGINEERING, MULTIDISCIPLINARY-

CiteScore

4.20

自引率

10.50%

发文量

期刊介绍： The main focus of the World Journal of Engineering (WJE) is on, but not limited to; Civil Engineering, Material and Mechanical Engineering, Electrical and Electronic Engineering, Geotechnical and Mining Engineering, Nanoengineering and Nanoscience The journal bridges the gap between materials science and materials engineering, and between nano-engineering and nano-science. A distinguished editorial board assists the Editor-in-Chief, Professor Sun. All papers undergo a double-blind peer review process. For a full list of the journal''s esteemed review board, please see below.