Exemplos de uso de Activated sludge system em Inglês e suas traduções para o Português
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The system displays versatility is probably the activated sludge system.
The activated sludge system is one of sewage treatment process most commonly used in the world.
The characterization of the kinetics of these groups in three different activated sludge systems was the aim of this study.
In wastewater treatment, activated sludge systems have been a technology widely applied as secondary treatment.
This study aimed to evaluate the efficiency of combined treatment of landfill leachate anddomestic sewage in activated sludge system.
Effect of hydrogen peroxide andchlorite ion residual on an activated sludge system of bleached kraft pulp mills- OpenThesis.
New process: activated sludge system with extended aeration with nitrification, denitification and biological phosphate removal and additional chemical phosphate removal.
The most common method of waste water treatment today is the Activated Sludge System which requires Oxygen to maintain the aerobic process.
Several studies indicate that the deployment of hybrid systems can result in optimizing the advantages andminimizing the disadvantages of activated sludge system.
The activated sludge systems stand out because they offer the possibility of satisfactory removal of nutrients such as nitrogen and phosphorus, with few area requirements.
Industrial effluents containing toxic substances such as salt,may interfere in the operation of activated sludge systems, causing death or inhibition of microorganisms.
For this reason, nine activated sludge systems were operated with different strategies to stimulate not only the predominance of pao, in four of these systems as well as in other settings.
This work's purpose is the assessment of the effect of hydrogen peroxide andchlorine dioxide residual on the efficiency of an activated sludge system in pilot scale.
Aerobic granulation could to improve the conventional activated sludge system increasing the biomass retention in the system and enabling the simultaneous removal of organic matter and nutrients.
The objective of this study is to evaluate the toxicity of sodium chloride(nacl)for microbial biomass of activated sludge systems using respirometry as an evaluation tool.
To study acute andchronic toxicity of nacl on biomass in activated sludge systems six concentrations of nacl were studied: 10, 15, 22.5, 33.75, 50.63 and 75.9 gnacl/ l. two sequential batch reactors( rbs 1 and rbs 2)were operated under identical conditions.
In this context, this work aims to contribute information for biological nutrient removal from wastewater by pilot scale study in a cyclic activated sludge system.
The second stage consisted of 6 experimental operation of activated sludge systems, where each system tied up to a specific treatment goal.
The activated sludge system is one of the most widely used biological processes and widespread in the world, whose bacterial community established in this system is very important and dynamic and essential for its efficiency and its proper functioning.
From this assumption, the present study aimed to evaluate the toxicity of hexavalent chromium[cr(vi)]for microbial biomass of activated sludge systems using respirometry as evaluation tool.
This dissertation addresses the construction and activated sludge systems operation, sequencing batch system(rbs), to obtain the best operating conditions favoring the removal of organic matter and nitrogen from municipal wastewater.
Concerned to the chromatographic conditions, a methodology was validated in order toverify the presence of dbt and its metabolite, 2-hbf, in the final wastewater treated by activated sludge system using a liquid- liquid extraction coupled to hplc/ uv analysis.
Activated sludge systems are different from other systems of biological sewage treatment due to their capacity to remove organic material and nutrients with different configurations such as continuous flow and sequential batch systems. .
This paper deals with an experimental investigation into the feasibility of applying the activated sludge system as an alternative post-treatment, specifically for the case where intended use of the treated wastewater is reuse.
Coli in wastewater treatment systems. for the purpose of this research, the treatment consisted of a uasb reactor using two values of hydraulic retention time(hrt)- 8 hours(phase 1) and 12 hours(phase 2)- followed by an activated sludge system.
The ifas(integrated fixed-film activated sludge) is a biological treatment system formed by the combination of activated sludge system to the mbbr(moving bed biofilm reactor) in which the biomass grows attached to support means maintained in suspension in the biological reactor.
The aim of this work is to present a diagnostic study of a poultry slaughterhouse wastewater treatment plant(wwtp) located at the taquari valley¿rs realized from january to november 2013.the diagnostic was conducted through analytical control both the primary wastewater treatment and activated sludge system.
They were operated three activated sludge systems reactor type in batch sequential with features to phosphorus accumulating organisms cultivation(pao) and phosphorus accumulating organisms denitrifying(dpao i and ii) by means of different electron acceptors: oxygen to pao, nitrite for dpao i and ii and nitrate for dpao i. specific tests were used from the physico-chemical and respirometric.
In brazil, biological treatment systems used in part of the effluent treatment plants(etp),as upflow anaerobic sludge blanket(uasb) and activated sludge systems are effective in removing organic matter.
In this case study, three products were added in bench-scale activated sludge systems treating oil refinery wastewater: 2,4-dinitrophenol(a metabolic uncoupler extensively studied), dosfolat¿(commercial product containing folic acid- essential vitamin in the growth of many microorganisms) and accell¿(commercial product containing chemical surfactants and stress proteins produced by yeast cells).