Sorption and mechanism studies of Cu2+, Sr2+ and Pb2+ ions on mesoporous aluminosilicates/zeolite composite sorbents
Kouznetsova, T., Ivanets, A., Prozorovich, V., Hosseini-Bandegharaei, A., Tran, H. N., Srivastava, V., & Sillanpää, M. (2020). Sorption and mechanism studies of Cu2+, Sr2+ and Pb2+ ions on mesoporous aluminosilicates/zeolite composite sorbents. Water Science and Technology, 82(5), 984-997. https://doi.org/10.2166/wst.2020.407
Julkaistu sarjassa
Water Science and TechnologyTekijät
Päivämäärä
2020Tekijänoikeudet
© 2020 IWA Publishing
The research aimed to develop a novel mesoporous aluminosilicate/zeolite composite by the template co-precipitation method. The effect of aluminosilicate (AlSi) and zeolite (NaY) on the basic properties and adsorption capacity of the resultant composite was conducted at different mass ratios of AlSi/NaY (i.e., 5/90, 10/80, 15/85, 20/80, and 50/50). The adsorption characteristics of such composite and its feedstock materials (i.e., aluminosilicates and zeolite) towards radioactive Sr2+ ions and toxic metals (Cu2+ and Pb2+ ions) in aqueous solutions was investigated. Results indicated that BET surface area (SBET), total pore volume (VTotal), and mesopore volume (VMeso) of prepared materials followed the decreasing order: aluminosilicate (890 m2/g, 0.680 cm3/g, and 0.644 cm3/g) > zeolite (623 m2/g, 0.352 cm3/g, and 0.111 cm3/g) > AlSi/NaY (20/80) composite (370 m2/g, 0.254 cm3/g, and 0.154 cm3/g, respectively). The Langmuir maximum adsorption capacity (Qm) of metal ions (Sr2+, Cu2+, and Pb2+) in single-component solution was 260 mg/g, 220 mg/g, and 161 mg/g (for zeolite), 153 mg/g, 37.9 mg/g, and 66.5 mg/g (for aluminosilicate), and 186 mg/g, 140 mg/g, and 77.8 mg/g for (AlSi/NaY (20/80) composite), respectively. Ion change was regarded as a domain adsorption mechanism of metal ions in solution by zeolite; meanwhile, inner-surface complexation was domain one for aluminosilicate. Ion change and inner-surface complexation might be mainly responsible for adsorbing metal ions onto the AlSi/NaY composite. Pore-filling mechanism was a less important contributor during the adsorption process. The results of competitive adsorption under binary-components (Cu2+ and Sr2+) and ternary-components (Cu2+, Pb2+, and Sr2) demonstrated that the removal efficacy of target metals by the aluminosilicate, zeolite, and their composite remarkably decreased. The synthesized AlSi/NaY composite might serve as a promising adsorbent for real water treatment.
...
Julkaisija
IWA PublishingISSN Hae Julkaisufoorumista
0273-1223Asiasanat
Julkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/41822252
Metadata
Näytä kaikki kuvailutiedotKokoelmat
Lisenssi
Samankaltainen aineisto
Näytetään aineistoja, joilla on samankaltainen nimeke tai asiasanat.
-
Optimization of Selective Hydrometallurgical Tantalum Recovery from E-Waste Using Zeolites
Koskinen, Jutta; Frimodig, Janne; Samulinen, Mikko; Tiihonen, Antti; Siljanto, Jimi; Haukka, Matti; Väisänen, Ari (American Chemical Society (ACS), 2024)To protect future high-tech metal demand, a selective and efficient recovery method for tantalum from a tantalum-rich e-waste component sample was developed. Ultrasound-assisted digestion of the component sample was ... -
Effect of Mg2+ ions on competitive metal ions adsorption/desorption on magnesium ferrite : mechanism, reusability and stability studies
Ivanets, Andrei; Prozorovich, Vladimir; Kouznetsova, Tatyana; Dontsova, Tetiana; Yanushevska, Olena; Hosseini-Bandegharaei, Ahmad; Srivastava, Varsha; Sillanpää, Mika (Elsevier, 2021)The adsorption behavior of magnesium ferrite in single- and multicomponent metal ions solutions in the presence of Mg2+ ions were studied. A dramatic decrease in the adsorption capacity of magnesium ferrite towards Mn2+, ... -
Removal of Ammonium Ions from Aqueous Solutions Using Alkali-Activated Analcime as Sorbent
Runtti, Hanna; Sundhararasu, Elavarasi; Pesonen, Janne; Tuomikoski, Sari; Hu, Tao; Lassi, Ulla; Kangas, Teija (MDPI AG, 2023)Five alkali-activated analcime (ANA) sorbents (ANA-MK 1, ANA 2, ANA 3, ANA-MK 4, and ANA-MK 5) were developed for ammonium (NH4+) ion removal. Acid treatment and calcination were used as pre-treatments for analcime, and ... -
Mechanical properties of natural fiber composites produced using dynamic sheet former
Pupure, Liva; Varna, Janis; Joffe, Roberts; Berthold, Fredrik; Miettinen, Arttu (Taylor and Francis, 2020)Composites formed from wood fibers and man-made cellulosic fibers in PLA (polylactic acid) matrix, manufactured using sheet forming technique and hot pressing, are studied. The composites have very low density (due to high ... -
Cation exchange properties of zeolites
Jylhä, Harri (1992)
Ellei toisin mainittu, julkisesti saatavilla olevia JYX-metatietoja (poislukien tiivistelmät) saa vapaasti uudelleenkäyttää CC0-lisenssillä.