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Survey of Levels of Phthalate Ester Plasticizers in a Sewage Lagoon Effluent and a Receiving Stream 总被引:2,自引:0,他引:2
Ogunfowokan AO Torto N Adenuga AA Okoh EK 《Environmental monitoring and assessment》2006,118(1-3):457-480
In this study, samples from a sewage treatment lagoon and those from a receiving stream were analyzed for their phthalate
esters content. Knowledge of the distribution of ubiquitous phthalate esters in the sewage lagoon and the receiving stream
was necessary because of the reports of their subtle toxicity to aquatic biota and humans. Liquid–liquid extraction, Clean-up
experiment and High Performance Liquid Chromatography (HPLC) were the methods employed for the quantitative determination
of the Phthalates. A study of uncontaminated water was done to establish blank levels. The sewage lagoon and the receiving
stream were grossly polluted as several phthalate ester plasticizers: DMP, DEP, DPhP, DBP, DEHP, DOP and DINP were found present
at monthly mean levels of between 24.02 mg/L and 139.25 mg/L in the sewage treatment lagoon and 10.41 mg/L and 80.53 mg/L
in the receiving stream. The results showed higher levels of phthalate esters in the sewage lagoon compared to the receiving
stream. The sewage lagoon was identified as a pollution point source into the receiving stream. Levels of phthalates obtained
from the receiving stream are much higher than the water criteria of 3 μg/L phthalates recommended by the United States Environmental Protection Agency (USEPA) for the protection of fish and other
aquatic life in water and the Suggested No-Adverse Effect Levels (SNAEL) of 7.5–38.5 μg/L for drinking water. This should give cause for great environmental concern. Peoples’ health downstream is at stake and
so is the ‘health’ of the ecosystem. 相似文献
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Hauwa Atiku RMSR Mohamed AA Al-Gheethi AA Wurochekke Amir Hashim M. Kassim 《Environmental science and pollution research international》2016,23(24):24624-24641
The wide application of microalgae in the field of wastewater treatment and bioenergy source has improved research studies in the past years. Microalgae represent a good source of biomass and bio-products which are used in different medical and industrial activities, among them the production of high-valued products and biofuels. The present review focused on greywater treatment through the application of phycoremediation technique with microalgae and presented recent advances in technologies used for harvesting the microalgae biomass. The advantages and disadvantages of each method are discussed. The microbiological aspects of production, harvesting and utilization of microalgae biomass are viewed. 相似文献
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Ogunfowokan AO Adenuga AA Torto N Okoh EK 《Environmental monitoring and assessment》2008,143(1-3):25-41
This work centered on a 1-year evaluation campaign of point source pollution from a sewage treatment oxidation pond and its receiving stream. Water samples were collected from the sewage treatment oxidation pond and the receiving stream during July 2002 and June 2003. Concentrations of heavy metals were determined using Inductively Coupled Plasma-Mass Spectrometry (ICP-MS) after a triple acid digestion of samples using open beaker method. Generally, the results showed high levels of toxic metals such as Cd, Pb, As, Al, Cr, Mn, Co, and Fe in the influent and effluent samples as well as in the receiving stream. The annual mean concentration of metals in the sewage samples ranged from 11.90 to 16.05, 64.96 to 88.27, 38.91 to 76.35, 17.46 to 24.45 mug/L for Cd, As, Pb, Co, and 4.31 to 8.77, 1.71 to 2.45, 0.46 to 0.74 and 13.82 to 20.47 mg/l for Al, Cr, Mn and Fe, respectively; while in the receiving stream, the concentrations were between 6.89 to 10.45, 35.50 to 59.26, 22.85 to 35.94, 11.33 to 18.83 mug/l for Cd, As, Pb, Co, and 1.99 to 3.49, 1.35 to 2.08, 0.21 to 0.48, and 8.93 to 14.15 mg/l for Al, Cr, Mn and Fe, respectively. The discharge of the effluent from the sewage pond into the receiving stream has therefore led to increase in the concentrations of some heavy metals downstream, thus impacting the receiving stream negatively and could pose a serious health hazard to aquatic ecosystems and humans particularly for rural dwellers and peasant farmers downstream that utilize the water from the receiving stream for various domestic and agricultural purposes untreated. 相似文献
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Aderemi Taiwo Adedoyin Adenuga Adeniyi Abiodun Oyekunle John Adekunle Oyedele Ogunfowokan Aderemi Okunola 《Environmental science and pollution research international》2017,24(20):17116-17126
Environmental Science and Pollution Research - Ceramic foodwares are among the products used by people on daily basis without being cautious of exposures to heavy metals through possible leaching... 相似文献
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