نتایج جستجو برای: flocculation
تعداد نتایج: 2627 فیلتر نتایج به سال:
the opuntia ficus indica mucilage was an abundant and a low cost product. in the presentpaper, it was tested as an eco-friendly flocculants for textile waste water treatment. its performance asflocculants in decolorization, cod removal and turbidity abatement was checked. the natural product wascharacterized using uv-vis and infra-red spectroscopy. the study of the effect, followed by an optimi...
BACKGROUND Production of biofuels from microalgae has been recognized to be a promising route for a sustainable energy supply. However, the microalgae harvesting process is a bottleneck for industrialization because it is energy intensive. Thus, by displaying interactive protein factors on the cell wall, oleaginous microalgae can acquire the auto- and controllable-flocculation function, yieldin...
The efficiency of poliovirus elution from fiber glass cartridge filters (K27), epoxy-fiber glass-asbestos filters (M780), and pleated cartridge filters was assessed by using 3% beef extract (pH 9.0) or 0.1 M glycine (pH 11.5). Poliovirus type I, strain LSc, was seeded into 20- to 25-gallon (ca. 75.6- to 95.6-liter) samples of treated sewage effluent and concentrated by using a filter adsorption...
In many industrial fermentation processes, the Saccharomyces cerevisiae yeast should ideally meet two partially conflicting demands. During fermentation, a high suspended yeast count is required to maintain a satisfactory rate of fermentation, while at completion, efficient settling is desired to enhance product clarification and recovery. In most fermentation industries, currently used starter...
A systematic field-theoretical description of critical adsorption on curved objects such as spherical or rodlike colloidal particles immersed in a fluid near criticality is presented. The temperature dependence of the corresponding order parameter profiles and of the excess adsorption are calculated explicitly. Critical adsorption on elongated rods is substantially more pronounced than on spher...
For over 10 years the Ide test has been in use in Nigeria as a simple slide flocculation test for syphilis and yaws in hospitals and clinics, and in the field, where the Kahn and Wassermann tests are impracticable. It was thought desirable that the results obtained by the Ide test should be compared with those obtained by the newly introduced Harris (VDRL) slide flocculation test, and an estima...
So many flocculation tests have been developed during the last few years that the time appears ripe to attempt a critical review of the mechanism and usefulness of some of the more popular procedures. Although many of these tests were developed primarily in relation to liver disease, where they are of proved value, it is generally recognized that they are not all specific in this respect. There...
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