Pilot-scale UV/H2O2 study for emerging organic contaminants decomposition
-
Xiaona Chu
,
Elaine Quek
Abstract
Human behaviors including consumption of drugs and use of personal care products, climate change, increased international travel, and the advent of water reclamation for direct potable use have led to the introduction of significant amounts of emerging organic contaminants into the aqueous environment. In addition, the lower detection limits associated with improved scientific methods of chemical analysis have resulted in a recent increase in documented incidences of these contaminants which previously were not routinely monitored in water. Such contaminants may cause known or suspected adverse ecological and/or human health effects at very low concentrations. Conventional drinking water treatment processes may not effectively remove these organic contaminants. Advanced oxidation process (AOP) is a promising treatment process for the removal of most of these emerging organic contaminants, and has been accepted worldwide as a suitable treatment process. In this study, different groups of emerging contaminants were studied for decomposition efficiency using pilot-scale UV/H2O2 oxidation setup, including EDCs, PPCPs, taste and odor (T&O), and perfluorinated compounds. Results found that MP UV/H2O2 AOP was efficient in removing all the selected contaminants except perfluorinated compounds. Study of the kinetics of the process showed that both light absorption and quantum yield of each compound affected the decomposition performance. Analysis of water quality parameters of the treated water indicated that the outcome of both UV photolysis and UV/H2O2 processes can be affected by changes in the feed water quality.
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©2016 by De Gruyter
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Articles in the same Issue
- Frontmatter
- Editorial
- Traditional and emerging environmental hazards in South-East Asia: double-trouble in the 21st century
- A quarter century of the Pacific Basin Consortium: looking back to move forward
- Exposure to Metals
- Arsenic projects in SE Asia
- Lead exposure from battery recycling in Indonesia
- Connecting mercury science to policy: from sources to seafood
- Mercury exposure in the work place and human health: dental amalgam use in dentistry at dental teaching institutions and private dental clinics in selected cities of Pakistan
- Protecting health from metal exposures in drinking water
- Exposure assessment of lead from food and airborne dusts and biomonitoring in pregnant mothers, their fetus and siblings in Karachi, Pakistan and Shimotsuke, Japan
- Mining
- Reconciling PM10 analyses by different sampling methods for Iron King Mine tailings dust
- The “CHILD” framework for the study of artisanal mercury mining communities
- Hydraulic fracturing for natural gas: impact on health and environment
- Hazardous Waste
- Searching bioremediation patents through Cooperative Patent Classification (CPC)
- Proteomics of Sphingobium indicum B90A for a deeper understanding of hexachlorocyclohexane (HCH) bioremediation
- Novel industrial wastewater treatment integrated with recovery of water and salt under a zero liquid discharge concept
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- Pilot-scale UV/H2O2 study for emerging organic contaminants decomposition
- Nanotechnology: a clean and sustainable technology for the degradation of pharmaceuticals present in water and wastewater
- Solar-driven membrane distillation demonstration in Leupp, Arizona
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- Natural Disasters and a Changing Environment
- Environmental exposures due to natural disasters
- Changing exposures in a changing world: models for reducing the burden of disease
- Sustainable development through a gendered lens: climate change adaptation and disaster risk reduction
- Environmental Justice and Human Rights
- Creating healthy and just bioregions
- Worm-free children: an integrated approach to reduction of soil-transmitted helminth infections in Central Java
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- Pollution, health and development: the need for a new paradigm
- EcoSystem
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- Exposure to e-waste
- E-waste: the growing global problem and next steps
- Global challenges for e-waste management: the societal implications
- E-waste issues in Sri Lanka and the Basel Convention
- E-waste interventions in Ghana
- CALUX bioassay: a cost-effective rapid screening technique for screening dioxins like compounds
- Cancer
- Cancer surveillance and research on environmental contributions to cancer
- Domestic incense use and lung cancer in Asia: a review
- Children
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