Enhancing Arsenate Removal Efficiency Using Sewater Bittern-Derived MgO Nanoparticles/PVDF-HFP Electrospun Nanofibre Composites

IF 0.7 4区综合性期刊 Q3 MULTIDISCIPLINARY SCIENCES Sains Malaysiana Pub Date : 2023-08-31 DOI:10.17576/jsm-2023-5208-14

Asnan Rinovian Asnan Rinovian, Muhamad Nasir Muhamad Nasir, Muhammad Ali Zulfikar Muhammad Ali Zulfikar, Swasmi Purwajanti, Nugraha Nugraha, Nurrahmi Handayani, I Gusti Agung Suradharmika, Fitri Dara Fitri Dara

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Abstract

MgO nanoparticles (MgO NPs) incorporated PVDF-HFP nanofibers have been synthesized using the electrospinning method to remove arsenic from polluted water. MgO nanoparticles were synthesized from seawater bitterns and used as magnesium precursors. The synthesized materials were characterized using various techniques, and their adsorption capacities were evaluated against arsenic under different conditions. The results showed that the maximum adsorption for As(V) adsorption was 41.47 mg g-1 for PVDF-HFP/MgO 30% (w/w), which equals 179.69 mg g-1 based on the weight of bare MgO NPs and achieved at pH 11, a contact time of 420 minutes, and an adsorbent weight of 0.0125 g. Incorporating MgO NPs into the nanofiber matrix can enhance its stability, further increase the adsorption capacity. This study demonstrates the potential of using PVDF-HFP/MgO nanofiber composites to treat arsenic-containing wastewater and further provide commercial benefits for seawater bitterns by serving as a precursor for producing functional nanomaterials.

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污水卤水衍生MgO纳米颗粒/PVDF-HFP静电纺纳米纤维复合材料对砷酸盐去除效果的研究

采用静电纺丝法合成了含PVDF-HFP纳米纤维的MgO纳米粒子(MgO NPs)，以去除污染水中的砷。以海水卤水为原料合成纳米氧化镁作为镁的前驱体。用各种方法对合成的材料进行了表征，并在不同条件下评价了其对砷的吸附能力。结果表明:PVDF-HFP/MgO浓度为30% (w/w)时，在pH为11、接触时间为420 min、吸附剂质量为0.0125 g的条件下，对As(V)的最大吸附量为41.47 mg g-1，等于179.69 mg g-1(以裸MgO NPs重量计)。在纳米纤维基体中掺入MgO纳米粒子可以增强其稳定性，进一步提高其吸附能力。该研究证明了PVDF-HFP/MgO纳米纤维复合材料处理含砷废水的潜力，并通过作为生产功能性纳米材料的前驱体，进一步为海水卤水提供商业效益。

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来源期刊

Sains Malaysiana MULTIDISCIPLINARY SCIENCES-

CiteScore

1.60

自引率

12.50%

发文量

196

审稿时长

3-6 weeks

期刊介绍： Sains Malaysiana is a refereed journal committed to the advancement of scholarly knowledge and research findings of the several branches of science and technology. It contains articles on Earth Sciences, Health Sciences, Life Sciences, Mathematical Sciences and Physical Sciences. The journal publishes articles, reviews, and research notes whose content and approach are of interest to a wide range of scholars. Sains Malaysiana is published by the UKM Press an its autonomous Editorial Board are drawn from the Faculty of Science and Technology, Universiti Kebangsaan Malaysia. In addition, distinguished scholars from local and foreign universities are appointed to serve as advisory board members and referees.