Global ETD Search
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Showing 1 to 8 of 8 for “"haloacetonitriles"”.
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Toxic effects on model mammalian cells by monohalogenated disinfection byproducts: haloacetic acids and haloacetonitriles
… functional groups, haloacetic acids (HAAs) and haloacetonitriles (HANs) were selected as representative carbonaceous and nitrogenous DBPs to make comparisons in terms of genomic DNA damage induction, repair efficiency of induced DNA lesions, and cell cycle alteration using Chinese hamster ovary …
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Formation of (halo)acetamides and (halo)acetonitriles from the reaction of monochloramine and (halo)acetaldehydes in water
… DBPs formed by combined chlorine, such as haloacetonitriles and haloacetamides, might be more toxic than regulated DBPs. Monochloramine has been shown to react with aldehydes, common DBPs formed from ozone and free chlorine disinfection, to form carbinolamines that slowly dehydrate to …
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Reduction of Disinfection Byproduct-associated Toxicity by Adjustment of Distribution System pH
… disinfection byproducts (N-DBPs) such as Haloacetonitriles (HANs) and haloacetamides (HAMs) have come under scrutiny in recent years due to their high toxicity compared to currently regulated carbonaceous disinfection byproducts (C-DBPs). Lowering concentrations of N-DBPs in drinking water …
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Impact of bromide ion concentration, time, dissolved organic carbon and molecular weight cutoff on haloacetonitrile, haloketone, chloropicrin and trihalomethane formation potentials
… investigated the formation potential (FP) for haloacetonitriles (HANSs), haloketones (HKs), chloropicrin (CP) and trihalomethanes (THMs) under conditions of constant DOC, constant Cl:DOC ratio, variable [Br] and variable apparent molecular weight (AMW) for coagulated water from a full-scale …
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Wildfire Impacts on Water Quality and Implications for Disinfection Byproduct Formation
… unregulated nitrogenous DBPs (N-DBPs), such as haloacetonitriles (HANs), and currently, no studies have investigated the effect of wildfire on haloacetamide (HAM) formation. This warrants further investigation to inform water utilities so that they may better treat these waters and protect …
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Study on the formation of nitrogenous disinfection by products from the reaction between dichloroacetaldehyde and monochloramine
… chlorination. Occurrence studies have shown that haloacetonitriles (HANs) and haloacetamides (HAMs), two unregulated N-DBP groups, were commonly found in drinking water with chloramine disinfection. Although these N-DBP groups occur at lower levels than chlorinated DBPs, they are shown to be more …
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Disinfection of wastewater for reuse using microchannel plasma ozone generator
… correlation was observed between total haloacetonitriles and cytotoxicity in secondary effluent. Despite that the connection between reduced cytotoxicity and modification or reduction of certain compound(s) is not clear, regulated DBPs may not be the leading forcing agents. To summarize, …
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Finite fraction method for tracking desinfection by-product precursors in water treatment
… of DBPs which are trihalomethanes (THMs), haloacetonitriles (HANs) and haloacetic acids (HAM). The hydrophilic acid and hydrophobic neutral fractions were found to be the most problematic precursors to the formation of THM and HAA DBPs, respectively. Spectral Fluorescent Signature (SFS) is …