NDLI: Prediction of disinfection by-product formation in drinking water <i>via</i> fluorescence spectroscopy

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Environmental Science: Water Research & Technology Vol - 2 Issue - 2

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Contents list

Research highlights: functions of the drinking water microbiome – from treatment to tap

Net-zero water management: achieving energy-positive municipal water supply

Gas-permeable hydrophobic tubular membranes for ammonia recovery in bio-electrochemical systems

Diffusion layer characteristics for increasing the performance of activated carbon air cathodes in microbial fuel cells

Long-term performance of a 200 liter modularized microbial fuel cell system treating municipal wastewater: treatment, energy, and cost

Emerging investigators series: pyrolysis removes common microconstituents triclocarban, triclosan, and nonylphenol from biosolids

Reduced energy demand for municipal wastewater recovery using an anaerobic floating filter membrane bioreactor

Pretreatment of natural organic matter to control biological stability

Electrochemical silver dissolution and recovery as a potential method to disinfect drinking water for underprivileged societies

N-Nitrosamine formation kinetics in wastewater effluents and surface waters

Cost-effectiveness and community impacts of two urine-collection programs in rural South Africa

Pee power urinal – microbial fuel cell technology field trials in the context of sanitation

Nitrite accumulation in a denitrifying biocathode microbial fuel cell

A liter-scale microbial capacitive deionization system for the treatment of shale gas wastewater

Cyanobacterial management in full-scale water treatment and recycling processes: reactive dosing following intensive monitoring

Bacterial production of transparent exopolymer particles during static and laboratory-based cross-flow experiments

Prediction of disinfection by-product formation in drinking water via fluorescence spectroscopy

Functionalized three-dimensional (3D) graphene composite for high efficiency removal of mercury

Correction: Cost-effectiveness and community impacts of two urine-collection programs in rural South Africa

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Environmental Science: Water Research & Technology Vol - 2 Issue - 1

Environmental Science: Water Research & Technology Vol -1

Prediction of disinfection by-product formation in drinking water via fluorescence spectroscopy

Content Provider	Royal Society of Chemistry (RSC)
Author	MacIsaac, Sean A. Trueman, Benjamin F. Stoddart, Amina K. Gagnon, Graham A.
Copyright Year	2016
Abstract	Fluorescence spectroscopy shows promise as a tool for monitoring regulated disinfection by-products (DBPs) online in water treatment applications. Prediction of DBP formation via fluorescence spectroscopy was investigated using drinking water treatment plant (WTP) samples and experimental data from bench-scale advanced oxidation processes applied to a natural water matrix. L1-Regularized linear regression (lasso), boosted regression tree ensembles, principal components regression, supervised principal components, and fluorescent regional integration models were applied to data comprising instantaneous haloacetic acid (HAA) and trihalomethane (THM) concentrations and DBP formation potentials (HAAfp and THMfp) paired with fluorescence excitation–emission matrices. L1-Regularized linear regression yielded the lowest mean absolute error (MAE), assessed by cross-validation, on HAA and HAAfp data collected at the WTP (7.7 μg L−1, N = 22). Boosted regression tree ensemble predictions had the lowest MAE on WTP THM and THMfp data (13.5 μg L−1, N = 37). L1-Regularized linear regression and supervised principal components, respectively, exhibited the greatest prediction accuracy (MAE 14.9 and 9.5 μg L−1, N = 60) for HAAfp and THMfp data generated via bench-scale advanced oxidation processes. Linear models based on either fluorescent regional integration or (unsupervised) principal components were consistently less accurate than the highest-performing methods for DBP prediction.
Starting Page	383
Ending Page	389
Page Count	7
File Format	HTM / HTML PDF
ISSN	20531400
Volume Number	2
Issue Number	2
Journal	Environmental Science: Water Research & Technology
DOI	10.1039/c5ew00285k
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	DBP HAA Fluorescence spectroscopy Spectroscopy Advanced oxidation process Positive-definite matrix Linear regression Lasso Regression analysis Haloacetic acids Trihalomethane Asteroid family Cross-validation (statistics)
Content Type	Text
Resource Type	Article
Subject	Environmental Engineering Water Science and Technology

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Original Contribution Exposure to Drinking Water Disinfection By-Products and Pregnancy Loss (2005)

Decision-making scheme for disinfection by-product monitoring intended for small drinking water systems

Original contribution exposure to drinking water disinfection by-products and pregnancy loss (2005).

Development of predictive models for the formation of trihalomethanes and haloacetic acids during chlorination of bromide-rich water.

Original Contribution Exposure to Drinking Water Disinfection By-Products and Pregnancy Loss (2005)

Formation of trihalomethanes and haloacetic acids during chlorination of functionalized carbon nanotubes

Oxidation of natural organic matter with processes involving O₃, H₂O₂ and UV light: formation of oxidation and disinfection by-products

Water treatment process evaluation of wildfire-affected sediment leachates

Enhanced disinfection by-product formation due to nanoparticles in wastewater treatment plant effluents

Prediction of disinfection by-product formation in drinking water via fluorescence spectroscopy

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