Tracing the occurrence of organophosphate ester along the river flow path and textile wastewater treatment processes by using dissolved organic matters as an indicator

Fu, Lingfang; Liu, Bin; Cui, Jiao; Nyobe, Dieudonne; Li, Ping; Huang, Shaosong; Fu, Fenglian; Tang, Bing

doi:10.1016/j.scitotenv.2020.137895

Cited by 26 publications

(11 citation statements)

References 51 publications

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“…The OPE levels in surface freshwater in China were collected and are displayed in Table S14 and Figure a. Previous studies mainly focused on the eastern coastal areas in China and found severe OPE pollution in the inflowing rivers of the Bohai Sea, the lower reaches of the Yangtze River, and the Pearl River Delta. ,− Additionally, relatively high OPE levels were observed in the Songhua River and Jinjiang River. , Cl-OPEs predominated the OPEs in surface waters in China, accounting for >90% in more than half of the studied waters, including waters in Liaoning, Hebei, Tianjin, Shandong, Anhui, Jiangsu, and Henan provinces (Figure a). Among nonchlorinated OPEs, TNBP, TBOEP, and TPHP were the main contaminants (Figure a).…”

Section: Resultsmentioning

confidence: 99%

“…According to Figure b, approximately 10% of the studied waters in China exceeded the HHWQC for OPEs with a ∑RQ higher than 1, which indicated the high potential of OPEs to induce adverse effects on human health. Based on the distribution of OPEs in surface waters in China, the health risks from OPEs in Sichuan, Guangdong, and Hebei provinces need to be given more attention (Figure a). ,, Among the target OPEs, the carcinogenic TCEP exhibited the highest RQ for human health, with approximately 7% of the studied surface waters exceeding its HHWQC value (Figure b). For TEHP, approximately 20% of the studied waters exhibited RQs between 0.1 and 1, suggesting its carcinogenic potential for the general population in China.…”

Section: Resultsmentioning

confidence: 99%

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Using a Probabilistic Model and Local Parameters to Improve the Reliability of Ambient Water Quality Criteria for the Protection of Human Health: A Case Study of Organophosphate Esters in China

et al. 2022

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Water quality criteria for the protection of human health (HHWQC) are crucial for the management of aquatic environmental quality. However, previous studies derived HHWQC using only deterministic approaches, which may under/overprotect target populations. This paper improved the methodology for criteria development and applied it to organophosphate esters (OPEs). Missing model parameters, including the trophic level-specific fish consumption rate (FI n ) and lipid fraction (f l(TL,n) ), were derived according to China's conditions. The trophic level-specific national bioaccumulation factors (BAFs) for OPEs (5.05−14,281 L/kg) were calculated based on fieldmeasured BAFs in surface freshwater across China and were dominated by the hydrophobicity of compounds. Then, the probabilistic approach was introduced to HHWQC derivation (0.1120−400.5 μg/L), and the results were compared with those derived by the deterministic method (0.1024−664.5 μg/L), which demonstrated that the probabilistic approach derived HHWQC more accurately. The contributions of organism ingestion to the HHWQC for OPEs were steady (<10%) with log K ow <3.5, increased linearly (10−90%) within a log K ow of 3.5−5.5, and then leveled off. Regarding the effects of carcinogenic OPEs, approximately 10% of the studied freshwater in China displays significant risks to human health. This study is significant for the scientific development of HHWQC worldwide and the management of pollutants in water.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Using a Probabilistic Model and Local Parameters to Improve the Reliability of Ambient Water Quality Criteria for the Protection of Human Health: A Case Study of Organophosphate Esters in China

et al. 2022

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“…River mouths had much lower concentrations of OPEs than the upper stream in the PRD, such as the Niujiang River, Xijiang River, and Pearl River. 10,34,35 It is likely that the upper stream might readily receive considerable amounts of OPEs from point sources; however, the riverine runoff had largely diluted the OPE levels from point sources to riverine outlets. All these findings indicate that, apart from source variations, hydrodynamic and biogeochemical processes may influence the occurrence of OPEs in the eight riverine outlets, which are further discussed in following subsection.…”

Section: Evaluation Of Environmental Capacity and Stress Using A Nume...mentioning

confidence: 99%

“…This is because the consumption of OPEs as flame retardants keeps increasing, 48 and novel OPEs or OPE precursors (e.g., organophosphite antioxidants) have been frequently reported in the environment. 20,52 In the rivers of PRD, triphenylphosphine oxide and diester derivatives also abundantly occur, 10,34 calling for closer attention to the inputs of these emerging OPEs from the eight riverine outlets.…”

Section: Evaluation Of Environmental Capacity and Stress Using A Nume...mentioning

confidence: 99%

Anthropogenic Impacts on Organophosphate Ester Loads to an Urban Estuary in South China

et al. 2022

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Due to the lack of regular monitoring networks and practical assessment criteria for contaminants of emerging concern in rivers, it is challenging to quantify the influences of human activities on their occurrence and ecological impacts on the estuarine environment. To address this issue, herein, organophosphate esters (OPEs) were selected and tested in the Pearl River Estuary (PRE), which is an urban estuary surrounded by a megalopolis (the Greater Bay Area) in South China. A field-based investigation was conducted on the riverine outlets of the PRE by considering tidal and seasonal variations coupled with models to improve the assessment of human-derived stress on this urban estuary. The results indicated that the occurrence of OPEs was strongly influenced by emissions from land-based sources and hydrological conditions with minor influences from biogeochemical processes. Approximately 45,200 kg year −1 of ∑ 12 OPE was discharged from the eight major riverine outlets to the PRE in 2020−2021. Tributyl phosphate and tris(2-chloroethyl) phosphate with the highest environmental stress index are the two priority OPEs, necessitating further monitoring and control measures in this estuary. The present study demonstrates that the urbanized riverine outlets face greater environmental stress and lower resilience to OPE pollution than other less-urbanized outlets.

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“…OP triesters are usually applied to the products by physical mixing, and are not chemically bonded; therefore, they easily leach into the environment during the lifetime of the products. As a result, OP triesters are ubiquitous and have been reported in a wide variety of matrices, such as indoor dust [ 3 , 4 ], sediments [ 5 , 6 ], surface waters [ 2 , 7 , 8 ] and biota [ 2 , 9 ]. This could be a cause for concern, considering that some of them are hazardous and suspected endocrine disruptors [ 2 , 10 ].…”

Section: Introductionmentioning

confidence: 99%

Determination of Organophosphate Ester Metabolites in Seafood Species by QuEChERS-SPE Followed by LC-HRMS

Hidalgo-Serrano¹,

Borrull²,

Pocurull³

et al. 2022

Molecules

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Organophosphate triesters are compounds widely used in industries and are ubiquitous in the environment, where they can be transformed into organophosphate diesters. Some organophosphate diesters are also used by industry. Several studies suggest organophosphate diesters can have toxic effects for reproduction, and hazardous and mutagenic properties. Due to the impact these compounds can have on marine biota and human beings through the consumption of fish and shellfish, it is necessary to study their presence in widely consumed seafood species. We therefore developed an analytical method for determining six of the most common organophosphate diesters in seafood. The procedure is based on the Quick, Easy, Cheap, Effective, Rugged and Safe extraction method and a solid phase extraction clean-up, followed by liquid chromatography coupled to high-resolution mass spectrometry. The method was optimised and validated for seafood with different lipid content, providing satisfactory relative recoveries (from 89 to 138%) and limits of detection (1.0–50 ng g−1 dry weight), as well as repeatability values (RSD% (n = 5, 100 ng g−1 (dry weight)) lower than 15%. Eight seafood species were analysed using this method and two organophosphate diesters were detected and quantified in all the samples, demonstrating the suitability of the method.

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Tracing the occurrence of organophosphate ester along the river flow path and textile wastewater treatment processes by using dissolved organic matters as an indicator

Cited by 26 publications

References 51 publications

Using a Probabilistic Model and Local Parameters to Improve the Reliability of Ambient Water Quality Criteria for the Protection of Human Health: A Case Study of Organophosphate Esters in China

Using a Probabilistic Model and Local Parameters to Improve the Reliability of Ambient Water Quality Criteria for the Protection of Human Health: A Case Study of Organophosphate Esters in China

Anthropogenic Impacts on Organophosphate Ester Loads to an Urban Estuary in South China

Determination of Organophosphate Ester Metabolites in Seafood Species by QuEChERS-SPE Followed by LC-HRMS

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