High rate activated sludge system
Coupled Anaerobic Baffled Reactor (ABR)/Activated Sludge Treatment of Synthetic Wastewater with High Concentration of Sulfate and COD
... ABR system consisted of five compartments each of which separated by a vertical ...the activated sludge worked at ambient ...seed sludge was acclimatized with sulfide and molasses as COD, this ...
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Industrial Wastewater Treatment Using High Rate Activated Sludge and Alum Additive
... Abstract—The high rate activated sludge stage of the multiple-stage sludge treatment plant is characterized by high efficiencies of treatment, cost, and size, compared to ...
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Affordable and Sustainable Water Recycling through Optimal Technology Integration
... A high rate aerobic activated sludge system (HRAS) was set up in our ...flow rate of 1 liter per hour after being heated up to 20°C in a water ...
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Anaerobic Digestion and Co-digestion of Thickened Waste Activated Sludge (TWAS) and Food Waste (FW)
... and sludge retention time (SRT), to achieve the optimum ...aerobic system, anaerobic systems are very temperature sensitive (Wang, ...growth rate and metabolism of micro- organisms and hence the ...
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Co-digestion of Food Waste and Thickened Waste Activated Sludge: Microbial Communities and Inhibition Control using Biochar
... to high loading (Morgan-Sagastume et ...batch system to study the impact of biochar in AD of FW using different doses of biochar reported maximum concentrations of VFAs of 792 mg/L, 956 mg/L, 871 mg/L, and ...
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RESPIROMETRIC ACTIVITY OF ACTIVATED SLUDGE AND BIOFILM IN IFAS-MBBR SYSTEM
... of activated sludge and biofilm, b) indirect assessment of the role of analyzed biocoenoses in removal of organic compounds in hybrid reactor with mov- ing ...uptake rate tests (OUR) have been used, ...
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Study on Production of Polyhydroxyalkanoates (PHAs) by Bacterial Consortium from Excess Sludge
... enriched sludge is extensively ...The sludge is activated and the sludge is ...The activated sludge is first cultured in a rich medium for 24h, so that the bacteria could grow to ...
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Activated Sludge Process Overview
... flow rate, in chemical composition and pH, and temperature ...the activated sludge bacteria. High concentrations of toxic chemicals can output a toxic shock that kills the ...
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APPLICATION OF NATURAL ZEOLITE FOR INTENSIFICATION OF MUNICIPAL WASTEWATER TREATMENT
... (DO). Activated sludge was evaluated by the following parameters: mixed liquor suspended and solids – MLSS, sludge index and volatile solids (MLVSS – measured as a percent of total ...of ...
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Isolation and Identification of Anionic Surfactant Degrading Bacteria from Activated Sludge
... nionic surfactants such as linear alkyl benzene sulfonates (LABS) which have higher sudding and biodegrading potentials are more often used recently [1]. These compounds can complicate and cause problems in sewage ...
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Treatability Study of Tannery Effluent by Conventional Activated Sludge Process and Activated Sludge Process using Medium
... growth rate of micro organisms, it leads to the increase in the consumption rate which consequently led to the decrease of Turbidity content levels ...conventional activated sludge ...
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Biodegradation and nutrients removal from greywater by an integrated fixed-film activated sludge (IFAS) in different organic loadings rates
... IFAS system has a relative efficiency for removal of nutrients from ...IFAS system and showed the nitrogen removal in the range of ...this system for removal of nutrients since it could reduce ...
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Determining the Kinetic’s Coefficients in Treatment of Sugarcane Industry Using Aerobic Activated Sludge by Complete Mix Regime
... The study was conducted during 6 months in 2012 on Khuzestan sugar factory using aerobic activated sludge treatment system with complete mix under an industrial scale. Due to the seasonality of ...
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An Adaptive Time Step Backward Differentiation Algorithm to Solve Stiff Ordinary Differential Equations: Application to Solve Activated Sludge Models
... This system was modeled as three reactors in a series based on mass bal- ance equation (Equation (8)) with a modified ASM1 reaction network consisting of 11 reactions and 15 constituents, as shown in Table 1 ...
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Exocellular Polymeric Substances, Bioflocculation and Sludge Settling Properties in a Combined Anaerobic/Activated Sludge Process
... and high OLR, induced researchers to apply it to domestic sewage treatment at the beginning of the 1980s ( Foresti, ...specially high fraction of particulate COD, presence of fatty compound, proteins, ...
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Membrane Biological Reactors (MBR) and Their Applications for Water Reuse
... Full- scale and pilot- plant systems have been operated with the anoxic/aerobic MLE biological nitrogen- removal process with the result that effluent total nitrogen concentrations of <10 mg/L have been achieved ...
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Study of the effects of ionic liquid modified cathodes and ceramic separators on MFC performance
... Keywords: Ceramic separators; Microbial Fuel Cell; Ionic liquid; Activated.. carbon cathodes; Activated sludge..[r] ...
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Microbiological and Physicochemical Characteristics of an Activated Sludge System Treating Textile Wastewater
... the activated sludge tank is where organic matter is broken down by microorganisms and in the sedimentation tank the suspended solids fall as sediment to the bottom helping to eliminate them from the ...
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Simultaneous COD and Ammonium Nitrogen Removal from a High-strength Wastewater in a Shaft-type Aerobic Hybrid Bioreactor
... drainage system, which appears to be insufficient to comply with the minimum environmental standards for disposal of ...drainage system was overviewed and pollution status was examined at various stretches ...
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Biodegradation of Fat, Oil, and Grease by using an Upflow Anaerobic Sludge Blanket Reactor from Dairy Wastewater
... Anaerobic Sludge Blanket Reactor (UASBR) has been suggested by several researchers with some success in the degradation of ...bioactive sludge is ...
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