نتایج جستجو برای: irradiated effluent
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background: photoreactivation of microorganisms following uv disinfection is a disadvantage of using uv technology for wastewater treatment, since in some cases it may even reach several logarithms. the aim of this study was to evaluate the possibility of the photoreactivation of indicator bacteria (coliform and streptococci) in the irradiated effluent. methods: this study was performed using t...
CONTENTS 165 Individual particle analysis of aerosols collected at Lhasa City in the Tibetan Plateau
Article history: Received 21 October 2014 Revised 28 October 2014 Accepted 29 October 2014 Available online 23 January 2015 In this study, ultraviolet (UV) and vacuum ultraviolet (VUV) photolysis were investigated for the pre-treatment and post-treatment of coking wastewater. First, 6-fold diluted raw coking wastewater was irradiated by UV and VUV. It was found that 15.9%–35.4% total organic ca...
In this study, ultraviolet (UV) and vacuum ultraviolet (VUV) photolysis were investigated for the pre-treatment and post-treatment of coking wastewater. First, 6-fold diluted raw coking wastewater was irradiated by UV and VUV. It was found that 15.9%-35.4% total organic carbon (TOC) was removed after 24 hr irradiation. The irradiated effluent could be degraded by the acclimated activated sludge...
Electron beam has introduced to investigate the effect of radiation on the disinfection of coli-forms in the effluent from the municipal wastewater treatment plant. Unchlorinated secondary effluent was irradiated at different dose of 0.2 – 1.0 kGy with 1 MeV, 40kW electron accelerator. It is observed that nearly 100% reduction in E-Coli. and total coli-forms were achieved with a dose of 0.8kGy....
The present study focused on the evaluation of a nonspecific synergistic effect of biogenic silver nanoparticles (AgNPs) in combination with biosurfactants against environmental bacteria and fungi. The AgNPs were synthesized in the culture supernatants of the biosurfactant producer Bacillus subtilis grown in brewery effluent, molasses or Luria-Bertani media. Antibacterial activities were tested...
In vivo tumor inhibitory activity of polymorphonuclear leukocytes (PMN) treated in vitro with lymphokine(s) (LK) was investigated with Winn's assay. Culture supernatants of BALB/c mouse spleen cells incubated with a streptococcal preparation, OK-432, were used as an LK source. With the use of a [3H]uridine release assay, RL male-1 tumor cells were lysed to some extent by peritoneal BALB/c mouse...
Several animal viruses were treated with gamma radiation from a 60Co source under conditions which might be found in effluent from an animal disease laboratory. Swine vesicular disease virus, vesicular stomatitis virus, and blue-tongue virus were irradiated in tissues from experimentally infected animals. Pseudorabies virus, fowl plague virus, swine vesicular disease virus, and vesicular stomat...
The study has been focused on effect of untreated distillery effluent (Devans Breweries Ltd., Jammu) on germination of gobi sarson (Brassica napus. L. var. Punjabi Special). Six treatments (E0.... E100) each having three replicates were made. E0 was taken as control in which tap water was used for irrigation of the plants. For E20, E40, E60, E80 and E100, different concentrations i.e. 20, 40, 6...
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