Innovative Adsorbent Materials for Efficient Silicon Extraction  from Industrial Waters: A review

M. Kylyshkanov; N. Gerassyova; R. Sharipov; A. Kuanysh; G. Maldybayev; El-Sayed Negim; O. Baigenzhenov; L. Bekbayeva; Khaldun Al Azzam; U. Balgimbayeva

doi:10.31643/2027/6445.22

Authors

M. Kylyshkanov Kazakh British Technical University
N. Gerassyova LLC Deep Core Analytics
R. Sharipov Kazakh British Technical University
A. Kuanysh Kazakh British Technical University
G. Maldybayev Kazakh British Technical University
El-Sayed Negim Kazakh British Technical University https://orcid.org/0000-0002-4370-8995
O. Baigenzhenov Mining and Metallurgical Institute named after O.A. Baikonurov, Satbayev Unversity
L. Bekbayeva Al-Farabi Kazakh National University
Khaldun Al Azzam The University of Jordan
U. Balgimbayeva Kazakh British Technical University

DOI:

https://doi.org/10.31643/2027/6445.22

Keywords:

silica, industrial, wastewater, treatment, adsorption.

Abstract

Silica fouling reduces the effectiveness and durability of membrane-based treatment systems, and silicon contamination in industrial water streams poses ongoing operational issues. With an emphasis on their processes, drawbacks, and applicability for various silica species, this article provides a comparative examination of the main silica removal technologies: ion exchange, reverse osmosis (RO), ultrafiltration (UF), electrocoagulation (EC), adsorption, and lime softening. Although they need a significant amount of chemical input and pH control, lime softening and ion exchange are efficient for dissolved silica. RO requires thorough preparation and offers broad-spectrum separation, although it is susceptible to silica scaling. While UF works well with colloidal and particulate silica, it is unsuccessful with monomeric forms. EC achieves excellent removal rates with less sludge by combining electrochemical destabilisation and crystallisation. Adsorption provides variable selectivity, low energy consumption, and compatibility with membrane systems, especially when employing tailored materials like activated alumina, iron oxide-coated media, and functionalised hybrids. In addition to outlining important techno-economic considerations for scaling up silica extraction methods in intricate industrial water matrices, the paper highlights new developments in adsorbent design, such as surface modification, hierarchical porosity, and regeneration techniques.

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Author Biographies

M. Kylyshkanov, Kazakh British Technical University

Doctor of Physico-Mathematical Sciences, Laboratory of Advanced Materials and Technologies, Kazakh British Technical University, St. Tole bi, 59, 050000, Almaty, Republic of Kazakhstan.

N. Gerassyova, LLC Deep Core Analytics

Doctoral student, LLC Deep Core Analytics, al-Farabi av., 17/1 b5B, 050059, Almaty, Kazakhstan.

R. Sharipov, Kazakh British Technical University

PhD, Assistant Professor, Laboratory of Advanced Materials and Technologies, Kazakh British Technical University, St. Tole bi, 59, 050000, Almaty, Kazakhstan.

A. Kuanysh, Kazakh British Technical University

Master student, Department of science and innovation, Kazakh British Technical University, St. Tole bi, 59, 050000, Almaty, Kazakhstan.

G. Maldybayev, Kazakh British Technical University

PhD, Associate Professor, Laboratory of Advanced Materials and Technologies, Kazakh British Technical University, St. Tole bi, 59, 050000, Almaty, Kazakhstan.

El-Sayed Negim, Kazakh British Technical University

PhD, Professor, School of Materials Science and Green Technologies, Kazakh British Technical University, St. Tole bi, 59, 050000, Almaty, Kazakhstan.

O. Baigenzhenov, Mining and Metallurgical Institute named after O.A. Baikonurov, Satbayev Unversity

PhD, Professor, Mining and Metallurgical Institute named after O.A. Baikonurov, Satbayev Unversity 22 Satbaev str.,050013, Almaty, Kazakhstan.

L. Bekbayeva, Al-Farabi Kazakh National University

PhD, Associate Professor, National Nanotechnology Open Laboratory, Al-Faraby Kazakh National University, Al-Farabi av., 050040, Almaty, Kazakhstan.

Khaldun Al Azzam, The University of Jordan

PhD, Professor, Department of Chemistry, Faculty of Science, The University of Jordan, 11942, Amman, Jordan.

U. Balgimbayeva, Kazakh British Technical University

Doctoral student, School of Applied of Mathematics, Kazakh British Technical University, St. Tole bi, 59, 050000, Almaty, Kazakhstan.

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