نتایج جستجو برای: parachlorophenol
تعداد نتایج: 139 فیلتر نتایج به سال:
In this research, the new separation method based on micro solvent cluster extraction and preferential solvation has been described. A proposed separation method using aqueous mixed solvents of organic solvents (acetonitrile, 1-propanol, 2-propanol and 1,1,1,3,3,3-hexafluoro-2-propanol) or ionic liquids and an open tubular capillary has been separated the model compounds (2-naphthol, 4-nitroani...
This clinical study investigated the bacterial reduction after instrumentation using 2.5% sodium hypochlorite (NaOCl) as an irrigant and further interappointment dressing with a calcium hydroxide (Ca(OH)(2))/camphorated paramonochlorophenol (CPMC) paste. Eleven teeth with primary intraradicular infections and chronic apical periodontitis selected according to stringent inclusion/exclusion crite...
A trans unsaturated fatty acid was found as a major constituent in the lipids of Pseudomonas putida P8. The fatty acid was identified as 9-trans-hexadecenoic acid by gas chromatography, argentation thin-layer chromatography, and infrared absorption spectrometry. Growing cells of P. putida P8 reacted to the presence of sublethal concentrations of phenol in the medium with changes in the fatty ac...
In the present work, the micellar electrophoretic separation of five chlorophenols (CPs) on a functionalized poly(dimethylsiloxane) (PDMS) microchip with amperometric detection was performed. In order to achieve high resolution by controlling the electroosmotic flow (EOF) as well as signal detection by suppressing analytes adsorption, the microchannel was functionalized by poly(diallyldimethyla...
a State Key Laboratory of Pollution Control and Resources Reuse, College of 4 Environmental Science and Engineering, Tongji University, Shanghai, 200092, China 5 b Metropolitan Water District of Southern California, 700 Moreno Avenue, La Verne, 6 California 91750-3399, USA 7 c Department of Civil and Environmental Engineering, Imperial College London, London, 8 SW7 2AZ, UK 9 10 11 12 *Correspon...
19 Abstract In this work, the ozonation of emergent contaminants represented by pharmaceuticals (Sulfamethoxazole and Bezafibrate) and surfactants (Quaternary Ammonium Compounds) was studied. Results in terms of target compound degradation and mineralization along with the biodegradability and toxicity assessment of formed intermediates are presented. Moreover, a previous study about the suitab...
A bacterial consortium that can degrade chloroand nitrophenols has been isolated from the rhizosphere of Phragmitis communis. Degradation of 4-chlorophenol (4-CP) by a consortium attached to granular activated carbon (GAC) in a bio®lm reactor was evaluated during both open and closed modes of operation. During the operation of the bio®lm reactor, 4-CP was not detected in the column euent, bein...
The purpose of this study was to establish the dynamics and kinetics of the aromatic hydrocarbons breakdown in aqueous environment. The investigated compounds were: benzene, toluene, m-xylene, p-xylene and styrene. These substances even in low concentrations threaten surface waters taken for municipal purposes because of their toxicity and also mutagenic and tumorigenic properties. The study wa...
The utilisation of sunlight as an abundant and renewable resource has motivated the development of sustainable photocatalysts that can collectively harvest visible light. However, the bottleneck in utilising the low energy photons has led to the discovery of plasmonic photocatalysts. The presence of noble metal on the plasmonic photocatalyst enables the harvesting of visible light through the u...
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