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Recent developments in photocatalytic water treatment technology: A review
Abstract
In recent years, semiconductor photocatalytic process has shown a great potential as a low-cost, environmental friendly and sustainable treatment technology to align with the "zero" waste scheme in the water/wastewater industry. The ability of this advanced oxidation technology has been widely demonstrated to remove persistent organic compounds and microorganisms in water. At present, the main technical barriers that impede its commercialisation remained on the post-recovery of the catalyst particles after water treatment. This paper reviews the recent R&D progresses of engineered-photocatalysts, photoreactor systems, and the process optimizations and modellings of the photooxidation processes for water treatment. A number of potential and commercial photocatalytic reactor configurations are discussed, in particular the photocatalytic membrane reactors. The effects of key photoreactor operation parameters and water quality on the photo-process performances in terms of the mineralization and disinfection are assessed. For the first time, we describe how to utilize a multi-variables optimization approach to determine the optimum operation parameters so as to enhance process performance and photooxidation efficiency. Both photomineralization and photo-disinfection kinetics and their modellings associated with the photocatalytic water treatment process are detailed. A brief discussion on the life cycle assessment for retrofitting the photocatalytic technology as an alternative waste treatment process is presented. This paper will deliver a scientific and technical overview and useful information to scientists and engineers who work in this field.
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“To overcome the severe drawbacks of the most stable photocatalyst, TiO 2 , namely its low efficiency, narrow light-response range and material recycling, many strategies have been developed via modification to acquire multifunctional materials that increase its photocatalytic activity for organic pollutant treatment; 14,15 comprehensive articles have documented these advancements in the field of T”
From Sustainable hybrid photocatalysts: titania immobilized on carbon materials derived from renewable and biodegradable resources (2016) · cites this paper as [16]
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Metadata
- Authors
- Chong, M. N., Jin, B., Chow, C. W. K., & Saint, C.
- Affiliations
- The University of Adelaide (AU)
- South Australian Water Corporation (AU)
- Corresponding author
- Jin, Bo
- Venue
- Water Research
- Publisher
- Elsevier BV
- Published
- 2010-05
- Volume
- 44
- Issue
- 10
- Pages
- 2997-3027
- ISSN
- 0043-1354 (ISSN-L)
- OpenAlex
- W2131491403
- Cited by
- 5,386
- References
- 239
- Citations by year
- 2026: 332 · 2025: 293 · 2024: 279 · 2023: 311 · 2022: 417 · 2021: 469 · 2020: 484 · 2019: 432 · 2018: 439 · 2017: 441 · 2016: 360 · 2015: 370 · 2014: 264 · 2013: 209 · 2012: 169
- FWCI
- 11.74
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Water Research (publishedVersion)
- PubMed (publishedVersion)
- Adelaide Research & Scholarship (AR&S) (University of Adelaide) (submittedVersion)
- Topics
- Physical Sciences › Environmental Science › Water Science and Technology › Advanced oxidation water treatment
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Advanced Photocatalysis Techniques
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › TiO2 Photocatalysis and Solar Cells
- Keywords
- photocatalytic water treatment, semiconductor photocatalysts, advanced oxidation processes, photocatalytic membrane reactor, photoreactor design, catalyst recycling, photomineralization, persistent organic compounds, wastewater treatment, process optimization, multivariate optimization, kinetic modeling, life cycle assessment, zero waste
- MeSH terms
- Catalysis, Photochemistry, Waste Disposal, Fluid, Water Purification
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