SCI和EI收录∣中国化工学会会刊

Chinese Journal of Chemical Engineering ›› 2021, Vol. 32 ›› Issue (4): 378-384.doi: 10.1016/j.cjche.2020.11.032

• Energy, Resources and Environmental Technology • Previous Articles     Next Articles

Synthesis of cation exchange resin-supported iron and magnesium oxides/hydroxides composite for nitrate removal in water

Trung Thanh Nguyen1,2, Vu Anh Khoa Tran1,2,3, Le Ba Tran1,2,3, Phuoc Toan Phan2,3,4, Minh Tan Nguyen5, Long Giang Bach6, Surapol Padungthon7, Cong Khiem Ta1,2, Nhat Huy Nguyen2,3   

  1. 1 Nanomaterial Laboratory, An Giang University, 18 Ung Van Khiem St., Dong Xuyen Dist, Long Xuyen City, An Giang Province, Viet Nam;
    2 Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, Viet Nam;
    3 Faculty of Natural Resources and Environment, Ho Chi Minh City University of Technology(HCMUT), 268 Ly Thuong Kiet St., Dist. 10, Ho Chi Minh City, Viet Nam;
    4 Faculty of Engineering-Technology-Environment, An Giang University, 18 Ung Van Khiem St, Dong Xuyen Dist, Long Xuyen City, An Giang Province, Viet Nam;
    5 Department of Scientific Research and International Relation, Bac Lieu University, 178 Vo Thi Sau St., Ward 8, Bac Lieu City, Bac Lieu Province, Viet Nam;
    6 NTT Institute of High Technology, Nguyen Tat Thanh University, 298-300A Nguyen Tat Thanh, Ho Chi Minh City, Viet Nam;
    7 Department of Environmental Engineering, Khon Kaen University, 123 Moo 16 Mittraphap Rd., Nai-Muang, Muang District, Khon Kaen 40002, Thailand
  • Received:2020-02-02 Revised:2020-10-16 Online:2021-04-28 Published:2021-06-19
  • Contact: Trung Thanh Nguyen, Nhat Huy Nguyen E-mail:ntthanh@agu.edu.vn;nnhuy@hcmut.edu.vn
  • Supported by:
    This research is funded by Vietnam National University-Ho Chi Minh City under grant number A2020-16-01.

Abstract: In this study, we reported on the concept and practical use of cation exchange resin (CER) for removing anions in water via pretreating the CER with metal salts. The cation exchange resin-supported iron and magnesium oxides/hydroxides composite (Fe-Mg/CER) was synthesized and introduced as a new and potential adsorbent for selective removal of nitrate ion in the water environment. Characteristics of Fe-Mg/CER were determined by techniques such as Fourier-transform infrared spectroscopy, scanning electron microscopy, and X-ray diffraction. The results showed that Fe-Mg/CER material had a high nitrate adsorption capacity of 200 mg NO3-·g-1 with a fast equilibrium adsorption time of 30 min at pH 5. In addition, it had good durability of at least 10 times of regeneration, which could be applied to practical water and wastewater treatment.

Key words: Iron oxide/hydroxide, Magnesium oxide/hydroxide, Cation exchange resin, Adsorption, Environment, Nanomaterials