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Saldan I, Orovčik L, Dobrovetska O, Bilan O, Kuntyi O. Chemical Leaching of Al3Ni and Al3Ti Alloys at Room Temperature. CHEMISTRY & CHEMICAL TECHNOLOGY 2021. [DOI: 10.23939/chcht15.01.081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Al3Ni and Al3Ti alloys were prepared by arc melting and exposed to chemical leaching in 5M NaOH at room temperature. In case of Al3Ni alloy, Al reached phases react with the leaching solution to produce nanoporous nickel with a pore diameter in the range of ~10–20 nm. Only pure Al phase of Al3Ti alloy chemically reacts with the production of a dense wrinkled surface with a wrinkle size of ~50–100 nm.
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Mahmodi G, Zarrintaj P, Taghizadeh A, Taghizadeh M, Manouchehri S, Dangwal S, Ronte A, Ganjali MR, Ramsey JD, Kim SJ, Saeb MR. From microporous to mesoporous mineral frameworks: An alliance between zeolite and chitosan. Carbohydr Res 2020; 489:107930. [PMID: 32044533 DOI: 10.1016/j.carres.2020.107930] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 01/27/2020] [Accepted: 01/27/2020] [Indexed: 12/29/2022]
Abstract
Microporous and mesoporous minerals are key elements of advanced technological cycles nowadays. Nature-driven microporous materials are known for biocompatibility and renewability. Zeolite is known as an eminent microporous hydrated aluminosilicate mineral containing alkali metals. It is commercially available as adsorbent and catalyst. However, the large quantity of water uptake occupies active sites of zeolite making it less efficient. The widely-used chitosan polysaccharide has also been used in miscellaneous applications, particularly in medicine. However, inferior mechanical properties hampered its usage. Chitosan-modified zeolite composites exhibit superior properties compared to parent materials for innumerable requests. The alliance between a microporous and a biocompatible material with the accompaniment of negative and positive charges, micro/nanopores and proper mechanical properties proposes promising platforms for different uses. In this review, chitosan-modified zeolite composites and their applications have been overviewed.
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Affiliation(s)
- Ghader Mahmodi
- School of Chemical Engineering, Oklahoma State University, 420 Engineering North, Stillwater, Ok, 74078, USA
| | - Payam Zarrintaj
- School of Chemical Engineering, Oklahoma State University, 420 Engineering North, Stillwater, Ok, 74078, USA
| | - Ali Taghizadeh
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Mohsen Taghizadeh
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Saeed Manouchehri
- School of Chemical Engineering, Oklahoma State University, 420 Engineering North, Stillwater, Ok, 74078, USA
| | - Shailesh Dangwal
- School of Chemical Engineering, Oklahoma State University, 420 Engineering North, Stillwater, Ok, 74078, USA
| | - Anil Ronte
- School of Chemical Engineering, Oklahoma State University, 420 Engineering North, Stillwater, Ok, 74078, USA
| | - Mohammad Reza Ganjali
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran, Iran; Biosensor Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Joshua D Ramsey
- School of Chemical Engineering, Oklahoma State University, 420 Engineering North, Stillwater, Ok, 74078, USA
| | - Seok-Jhin Kim
- School of Chemical Engineering, Oklahoma State University, 420 Engineering North, Stillwater, Ok, 74078, USA.
| | - Mohammad Reza Saeb
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran, Iran.
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