Activated sludge process
Trouble Shooting and Performance Enhancement in Activated Sludge Process for Treatment of Textile Wastewaters
... of activated sludge process and performance enhancement by suggesting remedial measures to ensure the proper operation of activated sludge ...
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Nitrous oxide emissions from the aeration tank of a wastewater treatment plant with conventional activated sludge process.
... NITROUS OXIDE EMISSIONS FROM THE AERATION TANK OF A WASTEWATER TREATMENT PLANT WITH CONVENTIONAL ACTIVATED SLUDGE PROCESS. Nitrous oxide (N 2 O) emissions were measured monthly from January to June ...
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Instituto de Tecnologia Química e Biológica | Universidade Nova de Lisboa
... conventional activated sludge process. The activated sludge is a flocculent suspended growth culture, rich in bacteria, in the primary treatment effluent, forming the mixed liquor ...
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Detection of enteric viruses in activated sludge by feasible concentration methods
... age sludge from an activated sludge ...sewage sludge samples were collected bi-monthly from January to July, ...sewage sludge samples (range: ...that activated sludge is ...
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Degradation of mixture of phenolic compounds by activated sludge processes using mixed consortia
... scale Activated Sludge Process (ASP) at HRTs (Hydraulic Retention Time) varying between ...the activated sludge reactor was found to be 1-3 mg/L and 7-8 ...
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Utilisation of Respirometry to Assess Organic Matter Reduction of Effluents from the Camaçari Industrial Complex (BA, Brazil)
... by activated sludge in aeration tanks (AT), was assessed through the utilisation of respirometry tests at the Cetrel’s-wastewater treatment plant ...the activated sludge process and, ...
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Microbiological and Physicochemical Treatments Applied to Metallurgic Industry Aiming Water Reuse
... The activated sludge process is widely utilized for the treatment of domestic and industrial ...an activated sludge system are: aeration tank, sedimentation basin and sludge from ...
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Avanços na remoção biológica de nitrogênio das águas residuais: uma revisão RESUMO
... including process design criteria and technological ...(MLE) process (pre-denitrification and nitrification in the activated sludge process), the most common nitrogen removal ...
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APPLICATION OF SUBMERGED MEMBRANE BIOREACTOR TECHNOLOGY FOR THE TREATMENT OF HIGH STRENGTH DAIRY WASTEWATER
... Milk, yogurt and butter are the main products of the factory. The dairy wastewater was treated using the combination of chemical coagulation with ferric chloride and aerobic activated sludge process ...
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THE EFFECT OF THE SLUDGE RECYCLE RATIO IN AN ACTIVATED SLUDGE SYSTEM FOR THE TREATMENT OF AMOL'S INDUSTRIAL PARK WASTEWATER
... an activated sludge pro- cess [3-6]. The activated sludge process is widely used for the wastewater treatment, as it is reliable, efficient and capable of producing high quality ...
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Braz. J. Chem. Eng. vol.31 número1
... (activated sludge) textile effluent samples showed that the best conditions for color and COD removal were obtained at lower values of tempera- ture (25 °C) and pH ...
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Evaluation of the microbial diversity of denitrifying bacteria in batch reactor
... exogenous process increases operational costs, possibly representing a drawback for the use of innovative anaerobic process-based technologies (Gavazza dos Santos et ...
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A solidification/stabilization process for wastewater treatment sludge from a primary copper smelter
... The results showed a linear dependence of the buffering capacity on the Ca con- centration in the form of CaO and Ca(OH) 2 . However, only the sample with 50 % of lime added to the FA had an ANC value above required one. ...
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C-atrazine during sewage treatment on a lab-scale bioreactor
... biological sludge and ...The process was carried out over a 24 h period at room temperature (25 ...the process was stopped for 30 minutes and the treated effluent (upper layer) and the trap solution ...
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Impact of dissolved oxygen on PHA production and integration with biological nutrient removal processes
... In order to reduce the costs of PHA production by MMCs, industrial wastes/by-products were used as feedstocks, such as olive oil mill effluent (D. Dionisi et al. 2005), sugar cane molasses (Albuquerque et al. 2007) and ...
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EFICIÊNCIA DE BIOSSÓLIDOS NA PRODUÇÃO DE AZEVÉM BASEADO NO CONTEÚDO DE NITROGÊNIO
... Solar-irradiated sludge achieved also in the Oxisol the highest value of RE (Table ...solar-irradiated sludge reached yield peak at the low- est application rate (Table 5) on both soils, although fresh ...
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Production, characterization, and flocculation mechanism of cation independent, pH tolerant, and thermally stable bioflocculant from Enterobacter sp. ETH-2.
... Activated sludge samples were collected in 1L sterilized Nalgene HDPE big mouth sample bottles (Fisher Scientific, USA) and stored on ice during transport back to the laboratory with immediate treatment ...
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Use of Drinking Water Sludge as Adsorbent for H2S Gas Removal from Biogas
... Surface area and pore size of adsorbents are among important parameters that describe the quality of adsorbents as they affect directly their analysed retention abilities. Table 1 shows some physical properties of raw ...
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Application of Gamma irradiation in treatment of Waste Activated Sludge to Obtain Class a Biosolids
... excess sludge generated by wastewater treatment plants is a bottleneck in plant operation especially in both developing and industrial countries due to more stringent quality requirements regarding landfilling, ...
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The Analysis of a Microbial Community in the UV/O3-Anaerobic/Aerobic Integrated Process for Petrochemical Nanofiltration Concentrate (NFC) Treatment by 454-Pyrosequencing.
... The nitrite-oxidising bacterium genus Nitrospira (accounting for 4.17%) was detected in Sample O. Nitrospira is the most important nitrite-oxidising bacteria (NOB), which is adapted to live under significant substrate ...
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