نتایج جستجو برای: oil dispersant
تعداد نتایج: 139146 فیلتر نتایج به سال:
Abstract The application of chemical dispersants aims to stimulate microbial oil degradation by increasing the bioavailability compounds. Overall, nine microcosms were prepared (three for each treatment) using treated sediment with (i) dispersant ( d : 25 ppm), (ii) (500 and (iii) + (500: respectively. There are also three control containing only water without petroleum. Then, we analyzed bacte...
This work presents a simple method to generate ordered chromophore/dispersant nanoarrays through a pore-filling process for a nanoporous polymer template to enhance chromophore luminescence. Fluorescence results combining with the morphological evolution examined by scanning probe microscopy reveal that the enhanced luminescence intensity reaches the maximum intensity as the nanopores of the te...
The Deepwater Horizon blowout resulted in the release of millions of barrels of crude oil. As part of the Trustees' Natural Resource Damage Assessment, a testing program was implemented to evaluate the toxicity of Deepwater Horizon oil and oil/dispersant mixtures to aquatic organisms from the Gulf of Mexico. Because of the variety of exposures that likely occurred, the program included 4 Deepwa...
Sedimentation studies have been carried out to optimize the dispersion conditions of aqueous alumina nanopowder suspensions with or without dispersants (ammonium salt of polymethacrylic acid or rhamnolipids at 15%). Different dispersant dosages, solid loadings, pulp densities and pH values were examined. The iso-electric point (IEP) of the alumina nanopowder was found to be pHiep= 9.2. The expe...
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