Identification of priority organic compounds in groundwater recharge of China

Li, Zhen; Li, Miao; Liu, Xiang; Ma, Yeping; Wu, Mingzhou

doi:10.1016/j.scitotenv.2014.06.005

Cited by 44 publications

(12 citation statements)

References 57 publications

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“…In the interim, 2,4-dinitrophenol concentration was less than the guideline limit recommended by the WHO: 40 µg/L; the pentachlorophenol level in 30% of water samples was above the EPA guideline value: 10 µg/L. Both compounds have significant health risk due to high carcinogenicity and listed on list of priority pollutants [19] due to toxicity [20]. Table 2 summarized correlation matrix Pearson (n) for VOCs and phenols in tap water samples.…”

Section: Presence Of Volatile and Phenolic Contamination In Tap Watermentioning

confidence: 99%

Study on migration of phenolic and volatile organic compounds from plastic pipes used in plumbing home networks into tap water

Shaikh

AlSuhaimi

Hanafiah³

et al. 2018

Desalination and Water Treatment

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Water pipe materials can have significant effect on tap water quality. Recent reports evidenced that plastic pipes used to construct water distribution network in homes can leach potential amounts of harmful organic contaminants into tap water. In this work, the migration of phenolic and volatile organic compounds into tap water has been investigated. For this purpose, 30 samples were collected from homes within Al Medina Al Munawarah municipal residential area and analyzed for the existence of 2-butanone, 1,1,1-trichloroethane, carbon tetrachloride, 1,2-dichloropropane, 2-chloroethanol, 4-methyl-2-propanone, 1,2-dinitrophenol, pentachlorophenol and 1,2,3-trichloropropane. The most frequent compounds such as 2-butanone, 1,2,3-trichloropropane, 1,2-dinitrophenol, 4-methyl-2-propanone and 2-chloroethanol were monitored in 90%, 76%, 66%, 60% and 60% of samples, respectively. Meanwhile the levels of the compounds, 2-butanone, carbon tetrachloride and pentachlorophenol exceeded the WHO limits in 40%, 16% and 30% of samples, respectively. The migration test indicated that five of the targeted compounds occur in deionized water samples incubated in pipes in laboratory scale experiment. This implies that these pollutants are more likely to migrate from polyethylene pipes comprising home plumbing network. Although the levels of some percolated compounds were below the allowable levels, their accumulation during lengthy consumption can potentially increase the exposure to harmful constituents in water. As a prevention step, the use of sorbent filtration kits is recommended.

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Section: Presence Of Volatile and Phenolic Contamination In Tap Watermentioning

confidence: 99%

Study on migration of phenolic and volatile organic compounds from plastic pipes used in plumbing home networks into tap water

Shaikh

AlSuhaimi

Hanafiah³

et al. 2018

Desalination and Water Treatment

View full text Add to dashboard Cite

show abstract

“…The certain economy of Taiwan is agriculture during past five decades, so excrement from human beings and petted animals are generally used to culture crops. The household wastewater is discharged into river and soil, and the self-purification functions of river and soil are available to degrade these low-grade toxic and much uncomplicated wastes from human beings and petted animals [1][2][3][4][5]. However, the facts of population centralization, enhancement of living quality, development of technology, and variation of living style resulted in enlargement of discharged wastewater with much complicated water contents.…”

Section: Introductionmentioning

confidence: 99%

Purification Treatment on Polluted River via Combinations of Gravel Contact Oxidation Treatment and Surface Flow Constructed Wetlands-A Case Study in Changhua County, Taiwan

Chou¹,

Chen²,

Tsai³

2018

Preprint

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Polluted river is a primary problem occurred in Changhua County, Taiwan because of rapid and massive developments of agriculture and industry. Water sample belongs to the water exhausted from influent of Yangzi-Cuo river, ci-tong jiao, Changhua County, and ecology technologies, which combined with gravel contact oxidation and surface flow constructed wetlands, are employed to enhance the water quality. Ecology technology is a useful and ordinary process which focuses on original treatment of pollution through chemical, physical, and biological procedures based on the mediums of soil, plant, water, and microorganism from pure environment. Moreover, this study aims on minimizing river pollution index (RPI) of Yangzi-Cuo river by using combinations of gravel contact oxidation and surface flow constructed wetlands. The inflow volume of water sample in suit is measured as 1,534-2,261 cubic meters per day (CMD). The major pollution in water sample involves of suspended solid (SS), ammoniacal nitrogen (NH3-N), total phosphorus (TP), total nitrogen (TN), and biochemical oxygen demand (BOD), and the values of above indexes is ranged as 10.0-26.7 mg/L, 0.9-14.0 mg/L, 1.2-14.1 mg/L, 11.1-18.2 mg/L, and 0.5-3.6 mg/L, respectively. Efficiencies of pollution elimination on SS, NH3-N, TP, TN, and BOD were depicted as 24.2-93.1%, 58.3-86.2%, 5.2-85.0%, 59.4-77.2%, and 46.3-76.4%, correspondingly, after purification treatment of ecology technology. As the result, ecology technology is benefit for the purification treatment of polluted river.

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“…Excrement from human beings and domesticated animals has generally been used to culture crops over the past five decades. Household wastewater is discharged into rivers and soil, and their self-purification functions degrade these low-grade toxic and uncomplicated wastes [1][2][3][4][5]. However, population centralization, the enhancement in living quality, the development of technology, and variations in living style have resulted in an increase in discharged wastewater with more complicated water content, which such rivers and soil, with their self-purification functions, cannot handle.…”

Section: Introductionmentioning

confidence: 99%

Purification Treatment on Polluted River via Combinations of Gravel Contact Oxidation Treatment and Surface Flow Constructed Wetlands—A Case Study in Changhua County, Taiwan

Chou¹,

Chen²,

Tsai³

2018

Preprint

View full text Add to dashboard Cite

Polluted rivers are a primary problem in Changhua County, Taiwan, due to rapid and massive developments in agriculture and industry. In this study, samples consisted of water influent from the Yangzi-Cuo River, Ci-Tong Jiao, Changhua County. Ecology technology, a combination of gravel contact oxidation and surface flow constructed wetlands, was employed to enhance the water quality. Ecology technology is a useful and ordinary process that focuses on original treatment of pollution through chemical, physical, and biological procedures based on the mediums of soil, plant, water, and microorganisms from pure environments. Moreover, this study aimed to minimize the river pollution index (RPI) of the Yangzi-Cuo River by using combinations of gravel contact oxidation and surface flow constructed wetlands. The inflow volume of the water samples in situ was found to be 1534–2261 cubic meters per day (CMD). The pollution in the water sample mostly involved suspended solid (SS), ammoniacal nitrogen (NH3–N), total phosphorus (TP), total nitrogen (TN), and biochemical oxygen demand (BOD), and the values of the above indexes were found to be 10.0–26.7 mg/L, 0.9–14.0 mg/L, 1.2–14.1 mg/L, 11.1–18.2 mg/L, and 0.5–3.6 mg/L, respectively. Efficiencies of pollution elimination in SS, NH3–N, TP, TN, and BOD were found to be 24.2–93.1%, 58.3–86.2%, 5.2–85.0%, 59.4–77.2%, and 46.3–76.4%, correspondingly, after purification treatment via ecology technology. Thus, ecology technology is a valid means of purification treatment for polluted rivers.

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Identification of priority organic compounds in groundwater recharge of China

Cited by 44 publications

References 57 publications

Study on migration of phenolic and volatile organic compounds from plastic pipes used in plumbing home networks into tap water

Study on migration of phenolic and volatile organic compounds from plastic pipes used in plumbing home networks into tap water

Purification Treatment on Polluted River via Combinations of Gravel Contact Oxidation Treatment and Surface Flow Constructed Wetlands-A Case Study in Changhua County, Taiwan

Purification Treatment on Polluted River via Combinations of Gravel Contact Oxidation Treatment and Surface Flow Constructed Wetlands—A Case Study in Changhua County, Taiwan

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Identification of priority organic compounds in groundwater recharge of China

Cited by 44 publications

References 57 publications

Study on migration of phenolic and volatile organic compounds from plastic pipes used in plumbing home networks into tap water

Study on migration of phenolic and volatile organic compounds from plastic pipes used in plumbing home networks into tap water

Purification Treatment on Polluted River via Combinations of Gravel Contact Oxidation Treatment and Surface Flow Constructed Wetlands-A Case Study in Changhua County, Taiwan

Purification Treatment on Polluted River via Combinations of Gravel Contact Oxidation Treatment and Surface Flow Constructed Wetlands&mdash;A Case Study in Changhua County, Taiwan

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Purification Treatment on Polluted River via Combinations of Gravel Contact Oxidation Treatment and Surface Flow Constructed Wetlands—A Case Study in Changhua County, Taiwan