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51.
Source specificity and persistence of several sulfur-polycyclic aromatic hydrocarbons (S-PAHs), nitro-PAHs (N-PAHs), and triphenylene were examined via analyses of stormwater runoff and wastewater effluent samples and spiked samples upon exposure to sunlight. Samples were collected during the 1997/1998 wet weather season from two major storm channels and four major wastewater treatment plants in southern California. Among the target compounds examined, 2-(4-morpholinyl)benzothiazole, dibenzothiophene, and triphenylene/chrysene were detected in storm runoff only. However, 2-(4-morpholinyl)benzothiazole appeared to degrade rapidly in seawater and sediment after sunlight exposure, which might impede its use as a runoff indicator. Dibenzothiophene and triphenylene also degraded quickly in sunlight-exposed seawater samples, but remained fairly abundant in sediments after six months of exposure to sunlight. They are by far the most promising candidates of urban runoff markers based on the criteria of abundance, source specificity, and persistence, although more research efforts are needed to ensure that no other sources would also contribute significantly to their presence in the aquatic environment. 相似文献
52.
Roger Cropp Albert Gabric Dien van Tran Graham Jones Hilton Swan Harry Butler 《Ambio》2018,47(6):671-681
We investigate the correlation between stress-related compounds produced by corals of the Great Barrier Reef (GBR) and local atmospheric properties—an issue that goes to the core of the coral ecosystem’s ability to survive climate change. We relate the variability in a satellite decadal time series of fine-mode aerosol optical depth (AOD) to a coral stress metric, formulated as a function of irradiance, water clarity, and tide, at Heron Island in the southern GBR. We found that AOD was correlated with the coral stress metric, and the correlation increased at low wind speeds, when horizontal advection of air masses was low and the production of non-biogenic aerosols was minimal. We posit that coral reefs may be able to protect themselves from irradiance stress during calm weather by affecting the optical properties of the atmosphere and local incident solar radiation. 相似文献
53.
Thanigaivel S. Rajendran Saravanan Gnanasekaran Lalitha Chew Kit Wayne Tran Dang Thuan Tran Hoang-Dung Nghia Nguyen Khoi Show Pau Loke 《Environmental Chemistry Letters》2023,21(2):821-837
Environmental Chemistry Letters - Fossil fuel depletion and carbon dioxide emissions are calling for carbon neutral energies such as algal biofuels, yet actual production of agal biofuels is... 相似文献
54.
Nguyen Le-Phuc Thuy Ngoc Luong Tri Van Tran Yen Thi Hai Pham Phuong Thuy Ngo Sura Nguyen 《Journal of Material Cycles and Waste Management》2017,19(3):1085-1092
In this study, a very promising way of treating and recycling spent nickel catalysts of fertilizer plants in Vietnam was proposed. Firstly, nickel was recovered from spent catalyst using HNO3—leaching process. Results show that nickel recovery of over 90% with a purity of over 90% can be achieved with HNO3 2.1–2.5 M at 100?°C in 75 min. The residue after leaching is not considered as a hazardous waste according to the Vietnamese regulations. Then, the leachate solution was used as a precursor to prepare a model catalyst for exhaust gas (CO, HC, NOx) treatment. In comparison with the catalyst prepared from the commercial nickel nitrate solution, the catalyst synthesized from recovered nickel exhibits similar properties and activities. The influence of Ni loading of Ni/alumina catalyst as well as the modification of active phase by some metals addition (Mn, Ba, Ce) was also investigated. It is feasible to modify active phase by transition metals such as Mn, Ba, and Ce for complete oxidation of CO and HC at 270?°C and a reduction of NOx below 350?°C at high volumetric flow condition (GHSV?=?110.000 h?1). 相似文献
55.
Ngo Thanh Huy Van Dieu-Anh Tran Hoai Le Nakada Norihide Tanaka Hiroaki Huynh Trung Hai 《Environmental science and pollution research international》2021,28(10):12082-12091
Environmental Science and Pollution Research - This study evaluated the occurrence of PPCPs in Cau River (Vietnam). Surface water and sediment samples were collected to determine PPCP... 相似文献
56.
Nguyen Van-Truc Vo Thi-Dieu-Hien Tran Thanh-Dai Nguyen Thi-Nhu-Khanh Nguyen Thanh-Binh Dang Bao-Trong Bui Xuan-Thanh 《Environmental science and pollution research international》2021,28(45):63558-63571
Environmental Science and Pollution Research - The occurrence of arsenic (As) in groundwater (drilled well water) that were used for drinking, cooking, and personal hygiene and its risks to human... 相似文献
57.
Nguyen Ngoan Thi Thao Nguyen Luan Minh Nguyen Thuy Thi Thanh Nguyen Thuong Thi Nguyen Duyen Thi Cam Tran Thuan Van 《Environmental Chemistry Letters》2022,20(4):2531-2571
Environmental Chemistry Letters - Because many engineered nanoparticles are toxic, there is a need for methods to fabricate safe nanoparticles such as plant-based nanoparticles. Indeed, plant... 相似文献
58.
Le Thuy Minh Pham Phuong Thi Nguyen Truong Quang Nguyen Trung Quang Bui Minh Quang Nguyen Hoa Quynh Vu Nam Duc Kannan Kurunthachalam Tran Tri Manh 《Environmental science and pollution research international》2022,29(31):46767-46777
Environmental Science and Pollution Research - Seven parabens including methylparaben (MeP), ethylparaben (EtP), propylparaben (PrP), iso-propylparaben (iPrP), butylparaben (BuP), benzylparaben... 相似文献
59.
Tran Ha P. Luong Anh D. Van Anh D. Nguyen Tuyet T. A. 《Environmental science and pollution research international》2022,29(5):6722-6732
Environmental Science and Pollution Research - Using post-mining areas for planting energy crops has emerged as a promising and sustainable reclamation solution due to its potential contributions... 相似文献
60.
Nguyen Thi Hien Nguyen Thuy Chinh Nguyen Thi Minh Tu Hoang Dinh Hoa Tran Do Mai Trang Tran Dinh Thang Hoang Phuong Thai Le Van Tan Tran Thi Kim Ngan Thai Hoang 《Journal of Polymers and the Environment》2022,30(2):631-643
Journal of Polymers and the Environment - This study attempted to develop carrageenan/chitosan based microparticles loading α-mangostin which was extracted from Vietnamese mangosteen skin. The... 相似文献