1,037 Result(s)
within
Ri** Feng
Atmospheric Protection/Air Quality Control/Air Pollution
Environment, general
Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution
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Article
Quantitation of Hydroxyl Radicals from Photolysis of Fe(III)-Citrate Complexes in Aerobic Water (5 pp)
For their high photoreactivity, Fe(III)-carboxylate complexes are important sources of H2O2 for some atmospheric and surface waters. Citrate is one kind of carboxylate, which can form complexes with Fe(III)....
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Article
Photocatalytic Treatment of RDX Wastewater with Nano-Sized Titanium Dioxide (5 pp)
The polynitramines, hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX), octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX), are important military explosives and regulated toxic hazardous compounds. Productio...
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Article
Polybrominated diphenyl ethers and their methoxylated metabolites in anchovy (Coilia sp.) from the Yangtze River Delta, China
Polybrominated diphenyl ethers (PBDEs) and their metabolites are toxic to animals, and concentrations of the PBDEs metabolites can exceed those of the parent materials. But no information was available on conc...
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Article
Polybrominated diphenyl ethers in background surface soils from the Yangtze River Delta (YRD), China: occurrence, sources, and inventory
Very few data for polybrominated diphenyl ethers (PBDEs) were available in the Yangtze River Delta (YRD), one of the most developed and urbanized region in China. In this study, Chongming Island, located at th...
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Article
A method of detecting carbonyl compounds in tree leaves in China
Carbonyl compounds have been paid more and more attention because some carbonyl species have been proven to be carcinogenic or a risk for human health. Plant leaves are both an important emission source and an...
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Article
Response of denitrification genes nirS, nirK, and nosZ to irrigation water quality in a Chinese agricultural soil
Denitrification is an important biochemical process in global nitrogen cycle, with a potent greenhouse gas product N2O. Wastewater irrigation can result in the changes of soil properties and microbial communities...
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Article
Spatial distribution and speciation of mercury and methyl mercury in the surface water of East River (Dongjiang) tributary of Pearl River Delta, South China
The distribution and speciation of mercury in surface water of East River, Guangdong province, China were investigated.
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Article
Biosorption of Basic Violet 5BN and Basic Green by waste brewery’s yeast from single and multicomponent systems
The biosorption of Basic Violet 5BN (BV) and Basic Green (BG) by waste brewery’s yeast (WBY) from single and binary systems was investigated.
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Article
Pt and Pd in sediments from the Pearl River Estuary, South China: background levels, distribution, and source
This study assessed the concentrations of platinum (Pt) and palladium (Pd) in surface sediments and sedimentary cores collected from the Pearl River Estuary with a view of evaluating the distribution, backgrou...
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Article
Distribution and sources of polycyclic aromatic hydrocarbons (PAHs) in sediment from the upper reach of Huaihe River, East China
To assess the status of polycyclic aromatic hydrocarbons (PAHs) contamination in sediments from the upper reach of Huaihe River, East China, 16 surface sediment samples were collected in March 2007 and analyze...
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Article
Highly efficient degradation of ofloxacin by UV/Oxone/Co2+ oxidation process
In this study, UV/Oxone/Co2+ oxidation process was applied to degradation of ofloxacin (OFL) in the presence of Co2+ as the catalytic and Oxone as the oxidant. The operation parameters including pH, temperature, ...
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Article
Biofilm formation and microbial community analysis of the simulated river bioreactor for contaminated source water remediation
The start-up pattern of biofilm remediation system affects the biofilm characteristics and operating performances. The objective of this study was to evaluate the performances of the contaminated source water ...
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Article
Occurrence of diarrheagenic Escherichia coli genes in raw water of water treatment plants
The high incidences of waterborne diseases are frequently associated with diarrheagenic Escherichia coli (DEC). DEC may pose a health risk to people who contact surface water for recreation or domestic use. Howev...
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Article
Characteristics of an aerobic denitrifier that utilizes ammonium and nitrate simultaneously under the oligotrophic niche
An aerobic denitrifier was isolated from the Hua-Jia-Chi pond in China and identified as Pseudomonas mendocina 3-7 (Genbank No. HQ285879). This isolated strain could express periplasmic nitrate reductase which is...
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Article
Characterization, sources, and potential risk assessment of PAHs in surface sediments from nearshore and farther shore zones of the Yangtze estuary, China
The assessment of polycyclic aromatic hydrocarbons (PAHs) contamination in surface sediments from the Yangtze estuary which is a representative area affected by anthropogenic activity (rapid industrialization,...
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Article
Photooxidation of arsenite by natural goethite in suspended solution
Iron and arsenic have been found to coexist in a water environment and the fate of arsenite in the aquatic system is influenced by iron. Goethite is a form of iron hydroxide, which is commonly found in sedimen...
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Article
Effect of ethylenediamine-N,N′-disuccinic acid on Fenton and photo-Fenton processes using goethite as an iron source: optimization of parameters for bisphenol A degradation
The main disadvantage of using iron mineral in Fenton-like reactions is that the decomposition rate of organic contaminants is slower than in classic Fenton reaction using ferrous ions at acidic pH. In order t...
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Article
Fenton-like degradation of nalidixic acid with Fe3+/H2O2
The Fenton-like degradation of nalidixic acid was studied in this work. The effects of Fe3+ concentration and initial H2O2 concentration were investigated. Increasing the initial H2O2 concentration enhances the d...
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Article
Lead accumulation and association with Fe on Typha latifolia root from an urban brownfield site
Synchrotron X-ray microfluorescence and X-ray absorption near-edge microstructure spectroscopy techniques were applied to Typha latifolia (cattail) root sections and rhizosphere soils collected from a brownfield ...
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Article
MAPKs regulate root growth by influencing auxin signaling and cell cycle-related gene expression in cadmium-stressed rice
This work aims to analyze the relationship between root growth, mitogen-activated protein kinase (MAPK), auxin signaling, and cell cycle-related gene expression in cadmium (Cd)-stressed rice. The role of MAPKs...
