Activated sludge
Degradation of mixture of phenolic compounds by activated sludge processes using mixed consortia
... acclimated activated sludge is the interaction between all the species present in flocs ...scale activated sludge processes for the treatment of phenolic compound ...
10
THE EFFECT OF THE SLUDGE RECYCLE RATIO IN AN ACTIVATED SLUDGE SYSTEM FOR THE TREATMENT OF AMOL'S INDUSTRIAL PARK WASTEWATER
... An activated sludge aeration tank and a sedimentation basin were used to treat Amol’s industrial park effluents originating from all industrial ...The sludge recycle ratios in the range from ...the ...
8
Trouble Shooting and Performance Enhancement in Activated Sludge Process for Treatment of Textile Wastewaters
... before disposal and they have no choice other than discharging the effluents into the main stream of water resources. In aeration tank the water was aerated from the bottom with diffusers to maintain Dissolved Oxygen ...
4
Bioavailability of crude protein and lipid from biofloc meals produced in an activated sludge system for white shrimp, Litopenaeus vannamei
... an activated sludge system using two water sources: wastewater from shrimp experimental culture (BFL-W) and, artificially, using clean seawater ...The sludge system operated by chemical and organic ...
7
Application of Gamma irradiation in treatment of Waste Activated Sludge to Obtain Class a Biosolids
... Sewage Sludge), before it can be used for any land applications (USEPA, 1999; Lang and Smith, ...treated sludge befor use (Perez-Elvira et ...residual activated sludge of Riyadh wastewater ...
5
Dilution and Magnification Effects on Image Analysis Applications in Activated Sludge Characterization
... Abstract: The properties of activated sludge systems can be characterized using image analysis procedures. When these systems operate with high biomass content, accurate sludge characterization ...
8
Isolation and characterization of the genomic variability in activated-sludge : a comparative analysis between bacterial isolates and operation parameters
... in activated sludge. There is a double goal in the activated sludge system, one is to metabolize organic substances and the other is to form flocks that allow posterior filtration and ...
102
Characterization of the In Situ Ecophysiology of Novel Phylotypes in Nutrient Removal Activated Sludge Treatment Plants.
... Selected activated sludge samples were obtained from the aerobic tanks of full-scale WWTPs as part of the MiDAS FISH survey [4]. Sample fixation and FISH were performed essentially as described by Daims et ...
13
A Comparative Evaluation of Dried Activated Sludge and Mixed Dried Activated Sudge with Rice Husk silica to Remove Hydrogen Sulfide
... sludge packed and the mixed rice husk silica and dried activated sludge packed filter was greater than 99.02% and 99.26%, respectively. Figure 2 shows the results of average removal efficiency (RE%) ...
7
Illumina MiSeq Sequencing Reveals Diverse Microbial Communities of Activated Sludge Systems Stimulated by Different Aromatics for Indigo Biosynthesis from Indole.
... with the activated sludge (0.54 g, dry weight at 105°C) from Chunliu River Wastewater Treat- ment Plant (Dalian, China) and domesticated with 200 mg/L naphthalene (G1), 200 mg/L phe- nol (G2), and 100 mg/L ...
14
Biofloc production in activated sludge system treating shrimp farming effluent
... An alternative solution to both problems (environmental impact of harvest drainage water and feed costs) is the use of recirculating sys- tems that reuse water, nutrients, and organic matter from wastewaters. Biofloc ...
10
The Potential of Denitrification for the Stabilization of Activated Sludge Processes Affected by Low Alkalinity Problems
... of activated sludge ...all activated sludge systems, because of its economic and operational advantages, such as: lower production of excess sludge, less energy for the aeration, better ...
10
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 ...
7
MBR activated sludge filterability characterization in cross flow filtration
... The active biological material produced by activated sludge is responsible for removing biodegradable organics, pathogens and nutrients like nitrogen and phosphorous. The biodegradable organics are mainly ...
95
OCCURRENCE OF Giardia CYSTS AND Cryptosporidium OOCYSTS IN ACTIVATED SLUDGE SAMPLES IN CAMPINAS, SP, BRAZIL
... the Pinheiros Stream, the detection of Giardia and Cryptosporidium in wastewater provides important clues for information on the environmental epidemiology of these parasites in this region. Thus, in order to determine ...
5
Application of a novel functional gene microarray to probe the functional ecology of ammonia oxidation in nitrifying activated sludge.
... fixed-film activated sludge (IFAS) plant were analysed with the FGA to profile the diversity and relative abundance of ammonia-oxidising archaea and bacteria (AOA and AOB ...nitrifying activated ...
11
KRAFT EFFLUENT TREATMENT BY ACTIVATED SLUDGE SYSTEMS WITH ADDED ACTIVATED CARBON AS SUPPORT MEDIUM
... an activated sludge system with the addition of powdered activated carbon (PAC) as support medium for biomass to treat kraft ...to activated sludge only and the others were operated ...
15
Braz. J. Chem. Eng. vol.31 número1
... (activated sludge) textile effluent showed that the pseudo-second order model best fitted the experimental data, leading to adsorption coefficients of ...
8
Avanços na remoção biológica de nitrogênio das águas residuais: uma revisão RESUMO
... the activated sludge process), the most common nitrogen removal process used nowadays, a new design equation for the denitrification reactor based on specific denitrification rate (SDNR) has been ...
18
Toxicidade no cotratamento de esgoto sanitário e lixiviado de aterro sanitário
... The activated sludge system was generally able to absorb and treat the leachate- sewage mixture to the level required by Minas Gerais state regulations (COPAM/CERH, 2008) (Table ...
41