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Wastewater treatment process using aeration and a biological floc
The activated sludge process is a type of biological wastewater treatment process for treating sewage or industrial wastewaters using aeration and a biological
Activated_sludge
Semi-solid material that is produced as a by-product during sewage treatment
primary sludge and secondary sludge, also known as activated sludge in the case of the activated sludge process. Sewage sludge is usually treated by one
Sewage_sludge
Semi-solid slurry
gravity and very high concentrations are frequently obtained Waste activated sludge (WAS): is generated from the biological treatment of wastewater and
Sludge
Sludge bulking is a microbial problem affecting solids separation in activated sludge wastewater treatment, which occurs when the sludge fails to separate
Sludge_bulking
Group of mathematical methods coordinated by the International Water Association (IWA)
Activated sludge model is a generic name for a group of mathematical methods to model activated sludge systems. The research in this area is coordinated
Activated_sludge_model
Process of removing contaminants from municipal wastewater
removal of sludge). The sludge removed from the liquid line goes to the sludge treatment line. Aerobic processes (such as the activated sludge process)
Sewage_treatment
material. Believing that the sludge had been activated (in a similar manner to activated carbon) the process was named activated sludge. Not until much later
History of water supply and sanitation
History_of_water_supply_and_sanitation
Solid material produced during wastewater treatment
concentration of suspended solids, in an aeration tank during the activated sludge process, which occurs during the treatment of waste water. The units
Mixed_liquor_suspended_solids
Biological treatment process for wastewater or sewage
(MBBR) and Integrated Fixed-Film Activated Sludge (IFAS) processes. Suspended-growth systems include activated sludge, which is an aerobic treatment system
Secondary_treatment
Modification of the activated sludge process used for wastewater treatment
adsorption/bio-oxidation process (AB process) is a variation of the activated sludge process used in wastewater treatment. This two-stage system combines
Adsorption/bio-oxidation process
Adsorption/bio-oxidation_process
Wastewater treatment technique
Powdered Activated Carbon Treatment (PACT) is a wastewater technology in which powdered activated carbon is added to an anaerobic or aerobic treatment
Powdered activated carbon treatment
Powdered_activated_carbon_treatment
Type of activated sludge process for the treatment of wastewater
Sequencing batch reactors (SBR) or sequential batch reactors are a type of activated sludge process for the treatment of wastewater. SBRs treat wastewater such
Sequencing_batch_reactor
Processes for treating wastewater produced as an industrial by-product
pollutants, may require biological treatment such as activated sludge or upflow anaerobic sludge blanket reactors. For mills with high inorganic loadings
Industrial wastewater treatment
Industrial_wastewater_treatment
Combination technology for wastewater treatment
ultrafiltration with a biological wastewater treatment process, the activated sludge process. These technologies are now widely used for municipal and industrial
Membrane_bioreactor
Processes to manage and dispose of sludge during sewage treatment
removal of sludge). The sludge removed from the liquid line goes to the sludge treatment line. Aerobic processes (such as the activated sludge process)
Sewage_sludge_treatment
Type of microbial aggregate suspension
industrial water treatment bioreactors such as activated sludge systems where the flocs form a sludge blanket. Floc formation may benefit the constituent
Floc_(biofilm)
Ponds designed and built for wastewater treatment
technology that does use aerators has much more in common with the activated sludge process. Such aerated lagoons use less area than is needed for traditional
Waste_stabilization_pond
Sewage treatment plant in Newham, East London
screen house, primary sedimentation tanks, a diffused-air activated sludge plant, and sludge digestion. The works were extended in 1967 to treat 1.14 million
Beckton Sewage Treatment Works
Beckton_Sewage_Treatment_Works
Engineering discipline related to environmental science
basin/activated sludge system removes organic material by growing bacteria (activated sludge). The secondary clarifier removes the activated sludge from
Environmental_engineering
Community of microbial organisms
collaborate with one another to discover AGR/AGS. In most conventional activated sludge processes or aerobic granular reactor, the microorganisms grow in flocs
Aerobic_granular_reactor
Type of organism
selective advantage within the mixed microbial community present in the activated sludge. Therefore, wastewater treatment plants that operate for enhanced biological
Polyphosphate-accumulating organisms
Polyphosphate-accumulating_organisms
Sludge Volume Index (SVI) is a process control parameter used to describe the settling characteristics of sludge in the aeration tank of an activated
Sludge_volume_index
Form of anaerobic digester used for wastewater treatment
concentration, usually needs to be treated further, for example with the activated sludge process, depending on the effluent quality requirements.[citation needed]
Upflow anaerobic sludge blanket digestion
Upflow_anaerobic_sludge_blanket_digestion
Hungarian-Canadian-French environmental engineer
for Using Activated Sludge Models in 2012, presenting the establishment of a global framework for wastewater treatment using activated sludge models. He
Imre_Takács
Main sewage works for Manchester, England
sludge, which generates methane as a by-product, enabling the site to be self-sufficient for gas and electricity. An upgrade to the Activated Sludge plant
Davyhulme_Sewage_Works
Type of anaerobic digester
The anaerobic contact process is a type of anaerobic digester. Here a set of reactors are created in series, where biomass is separated and returned to
Anaerobic_contact_process
of wastewater treatment technologies: Activated sludge model A2O (Anaerobic-Anoxic-Oxic) model Activated sludge systems Adsorption/Bio-oxidation process
List of wastewater treatment technologies
List_of_wastewater_treatment_technologies
Wastewater treatment process
century. By the 1920s, sludge drying beds and filter presses were widely used for water removal. The emergence of activated sludge with distinct characteristics
Sludge_dewatering
phosphorus removal (EBPR) is a sewage treatment configuration applied to activated sludge systems for the removal of phosphate. The common element in EBPR implementations
Enhanced biological phosphorus removal
Enhanced_biological_phosphorus_removal
Type of wastewater treatment
developed. The MBBR system consists of an aeration tank (similar to an activated sludge tank) with special plastic carriers that provide a surface where a
Moving-bed_biofilm_reactor
Wastewater treatment process
the sewage treatment plant is often accomplished using conventional activated sludge systems. These systems generally require large surface areas for treatment
Aerobic_granulation
Genus of bacteria
perideroedes is a filamentous bacterium which has been isolated from activated bulking sludge from industrial wastewater in Grindsted in Denmark. Hördt, Anton;
Neomegalonema
Wastewater treatment technology
aerobic granulation and is a modification of the activated sludge process. Aerobic granular sludge can be formed by applying specific process conditions
Nereda
Genus of bacteria
activated sludge wastewater treatment plants, where they along with other mycolic acid containing actinomycetes are well known contributors to sludge
Gordonia_(bacterium)
Wastewater treatment system using aeration
aerobic biological processes for treatment of wastewaters, for example activated sludge, trickling filters, rotating biological contactors and biofilters.
Aerated_lagoon
Brand of biosolids fertilizer produced by treating sewage sludge
form of activated sludge as a source of fertilizer had been developed in the early 20th century. Experiments showed that heat-dried activated sludge pellets
Milorganite
concentration in the sludge. Aerobic digestion is typically used in an activated sludge treatment plant. Waste activated sludge and primary sludge are combined
Aerobic_digestion
Biological material from living or recently living organisms
scales. In biological wastewater treatment processes, such as the activated sludge process, the term "biomass" is used to denote the mass of bacteria
Biomass
Empirical model for microorganisms growth limited by a nutrient
used in environmental engineering. For example, it is used in the activated sludge model for sewage treatment. The empirical Monod equation is μ = μ max
Monod_equation
Genus of bacteria
Quatrionicoccus australiensis. Quatrionicoccus australiensis was isolated from activated sludge biomass sample in Australia. "Straininfo of Quadricoccus australiensis"
Quatrionicoccus
Converting wastewater into an effluent for return to the water cycle
polishing. The main by-product from wastewater treatment plants is a type of sludge that is usually treated in the same or another wastewater treatment plant
Wastewater_treatment
Species of bacterium
strictly aerobic bacterium from the genus Acinetobacter isolated from activated sludge in Bendigo in Australia. LPSN lpsn.dsmz.de "Straininfo of Acinetobacter
Acinetobacter_towneri
Species of bacterium
bacterium from the genus Diaphorobacter which has been isolated from activated sludge in Japan. Parte, A.C. "Diaphorobacter". LPSN. "NA10B Strain Passport
Diaphorobacter_nitroreducens
Ajka alumina 2010 industrial accident in Hungary
according to EU standards. Initial measurements by the NDGDM showed the sludge to be extremely basic, with a pH value of 13. The waste initially resulted
Ajka_alumina_plant_accident
Physiochemical process
was mixed in an aeration tank. This discovery became known as the activated sludge process which is structured around the concept of bioaccumulation and
Biosorption
Species of bacterium
bacterium from the genus Tessaracoccus which has been isolated from activated sludge in Bendigo, Australia. Maszenan, A. M.; Seviour, R. J.; Patel, B. K
Tessaracoccus_bendigoensis
Genus of archaea
Methanocorpusculum were first isolated from biodisgester wastewater and activated sludge from anaerobic digestors. In nature, they live in freshwater environments
Methanocorpusculum
Extended aeration is a method of sewage treatment using modified activated sludge procedures. It is preferred for relatively small waste loads, where lower
Extended_aeration
Concept in microbiology
bioremediation commonly used in municipal wastewater treatment to restart activated sludge bioreactors. Most cultures available contain microbial cultures, already
Bioaugmentation
Species of bacterium
Gram-negative bacterium from the genus Ottowia. It has been isolated from activated sludge from Beijing in China. Parte, A.C. "Ottowia". LPSN. "Ottowia beijingensis"
Ottowia_beijingensis
Government agency in Milwaukee
succeed in using the activated sludge treatment process. "It was the first treatment facility to economically dispose of the recovered sludge by producing an
Milwaukee Metropolitan Sewerage District
Milwaukee_Metropolitan_Sewerage_District
List of definitions of terms and concepts related to civil engineering
of bacteria and protozoa. activated sludge model A generic name for a group of mathematical methods to model activated sludge systems. The research in
Glossary_of_civil_engineering
Species of bacterium
coccobacilli-shaped, ivory-colored bacterium. It was first isolated from activated sludge from an herbicide-manufacturing wastewater treatment facility in Jiangsu
Roseomonas_eburnea
Species of bacterium
bacterium species from the genus Tetrasphaera which has been isolated from activated sludge from Verona in Italy. McKenzie, CM; Seviour, EM; Schumann, P; Maszenan
Tetrasphaera_veronensis
Species of bacterium
Gram-positive and non-spore-forming bacterium which has been isolated from activated sludge in Japan.[excessive citations] Shintani, T.; Liu, W. T.; Hanada, S
Micropruina_glycogenica
Species of bacterium
bacterium species from the genus Parvibaculum which has been isolated from activated sludge in Germany. Parvibaculum lavamentivorans can metabolize linear alkylbenzenesulfonates
Parvibaculum_lavamentivorans
Species of bacterium
bacterium from the genus of Flavobacterium which has been isolated from activated sludge from Pohang in Korea. Parte, A.C. "Flavobacterium". LPSN. "Flavobacterium
Flavobacterium_croceum
Genus of bacteria
flowing water containing a source of sulfide but are also present in activated-sludge waste water treatment systems. They are aerobic or microaerophilic
Thiothrix
List of species with names longer than 34 letters
chloroacetamide-degrading and non-spore-forming bacterium which was isolated from activated sludge from a wastewater treatment plant in Kunshan City, China. Oleiliquidispirillum
List_of_long_species_names
Species of bacterium
bacterium from the genus of Phenylobacterium which has been isolated from activated sludge from a wastewater treatment plant from Daejeon in Korea. "Phenylobacterium"
Phenylobacterium_koreense
Contamination of water bodies
View of secondary treatment reactors (activated sludge process) at the Blue Plains Advanced Wastewater Treatment Plant, Washington, D.C., United States
Water_pollution
Activated Sludge Influent Pump Station (ASIPS) which is then diverted to Complex A and Complex B for activated sludge process. Effluent of activated sludge
Dallas_Water_Utilities
Species of bacterium
bacterium from the Comamonadaceae family that was isolated from the activated sludge of a wastewater treatment plant in Belgium. Colonies are yellow–brown
Acidovorax_caeni
Regional water authority in Michigan, United States
liquid oxygen generation system to produce the oxygen necessary for the activated sludge aeration process used to manage the biological nutrient removal process
Great_Lakes_Water_Authority
Species of bacterium
strictly aerobic bacterium from the genus Acinetobacter isolated from activated sludge. LPSN lpsn.dsmz.de "Straininfo of Acinetobacter tandoii". Archived
Acinetobacter_tandoii
Species of bacterium
aerobic bacterium from the genus Acinetobacter which was isolated from activated sludge. Acinetobacter bouvetii is named after the French microbiologist Philippe
Acinetobacter_bouvetii
Species of bacterium
bacterium from the genus of Caenimonas which has been isolated from activated sludge in Pohang on Korea. Parte, A.C. "Caenimonas". LPSN. "Caenimonas koreensis
Caenimonas_koreensis
Activities and actions required to manage waste from its source to its final disposal
removal of sludge). The sludge removed from the liquid line goes to the sludge treatment line. Aerobic processes (such as the activated sludge process)
Waste_management
Species of bacterium
isolated from activated sludge. LPSN lpsn.dsmz.de Carr, E. L. (2003). "Seven novel species of Acinetobacter isolated from activated sludge". International
Acinetobacter_gerneri
Family of bacteria
are often responsible for the accumulation of foam that occurs in activated sludge during sewage treatment. Biological foaming can be problematic for
Nocardiaceae
Species of bacterium
from activated sludge. Liu, XY; Wang, BJ; Jiang, CY; Liu, SJ (January 2008). "Ornithinimicrobium pekingense sp. nov., isolated from activated sludge". International
Ornithinimicrobium_pekingense
1972 U.S. federal law regulating water pollution
treatment process produces sewage sludge that is generated by biological treatment processes that include activated sludge systems, trickling filters, and
Clean_Water_Act
Biological process for wastewater treatment
Where additional capacity was required intermediate frames are used. Activated sludge Aerated lagoon Trickling filter Industrial wastewater treatment List
Rotating_biological_contactor
Form of hydrothermal treatment
high values for BOD:COD ratios. Standard treatment techniques such as activated sludge biotreatment are typically used with WAO for complete treatment. Catalyst
Wet_oxidation
Adverse environmental contamination
tower Wet scrubber Sewage treatment Sedimentation (Primary treatment) Activated sludge biotreaters (Secondary treatment; also used for industrial wastewater)
Pollution
Sound waves with frequencies above the human hearing range
Khanal SK, Sung S, Grewell D (2006). "Ultrasound pre-treatment of waste activated sludge". Water Science and Technology: Water Supply. 6 (6): 35. Bibcode:2006WatSu
Ultrasound
Species of bacterium
the genus of Tsukamurella which has been isolated from foam from an activated sludge plant in England. Parte, A.C. "Tsukamurella". LPSN. "Details: DSM-44113"
Tsukamurella_spumae
Gases produced by decomposing organic matter
(2008). "Principles and potential of the anaerobic digestion of waste-activated sludge". Progress in Energy and Combustion Science. 34 (6): 755–781. Bibcode:2008PECS
Biogas
Sewage treatment plant in Southeast London
treatment implementing the activated sludge process and final settlement tanks. It also included the installation of associated sludge thickening and odour
Crossness Sewage Treatment Works
Crossness_Sewage_Treatment_Works
Virus that infects bacteria
Somatic Coliphage Threshold Approach To Improve the Management of Activated Sludge Wastewater Treatment Plant Effluents in Resource-Limited Regions. Appl
Bacteriophage
Microorganisms that "breathe" sulfates
Ingvorsen (2004). "Oxygen Tolerance of Sulfate-Reducing Bacteria in Activated Sludge". Environmental Science and Technology. 38 (7): 2038–2043. Bibcode:2004EnST
Sulfate-reducing microorganism
Sulfate-reducing_microorganism
Species of bacterium
genus Aquamicrobium with a polar flagellum, which was isolated from activated sludge in Germany. Aquamicrobium lusatiense is able to degrade 2,4-dichlorophenol
Aquamicrobium_lusatiense
Species of bacterium
bacteria from the genus of Chelativorans which was isolated from soil of activated sludge from industrial wastewater treatment plants in Switzerland . Chelativorans
Chelativorans_multitrophicus
Species of bacterium
bacterium from the genus Prosthecobacter which has been isolated from activated sludge. "Species: Prosthecobacter algae". LPSN.DSMZ.de. Lee, Jangho; Park
Prosthecobacter_algae
Chemical compound produced in steel processing
environmental applications such as nutrient recovery, ballasted coagulation in activated sludge process, and heavy metal remediation in an aqueous environment. Dross –
Mill_scale
Chemical compound containing the functional group R3NO
plants. On average, over 96% removal has been found with secondary activated sludge treatment. Acute toxicity in fish, as indicated by 96h LC50 tests,
Amine_oxide
Species of bacterium
bacterium from the genus of Sinirhodobacter which has been isolated from activated sludge from a wastewater treatment plant in Huangdao in China. Xi, L; Qiao
Sinirhodobacter_hungdaonensis
Species of bacterium
bacterium species from the genus Tetrasphaera which has been isolated from activated sludge from Glenelg in Australia. McKenzie, CM; Seviour, EM; Schumann, P;
Tetrasphaera_jenkinsii
Species of bacterium
bacterium from the genus Sphingobacterium which has been isolated from activated sludge. Parte, A.C. "Sphingobacterium". LPSN. "DC-8 Strain Passport - StrainInfo"
Sphingobacterium_caeni
Transfer of genes from unrelated organisms
for more research, specifically in the focus of the study which is activated sludge. Heavy metals have also been found to promote conjugative transfer
Horizontal_gene_transfer
Species of bacterium
bacterium from the genus of Gemmobacter which has been isolated from activated sludge. Parte, A.C. "Gemmobacter". LPSN. "Gemmobacter nanjingensis". www.uniprot
Gemmobacter_nanjingensis
Species of bacterium
Zoogloea which occurs in organically enriched aqueous environments like activated sludges. LPSN lpsn.dsmz.de "Straininfo of Zoogloea ramigera". Archived from
Zoogloea_ramigera
Pollution control technique
and to hydraulic shock; Operational costs are usually lower than for activated sludge; The final treatment result is less influenced by biomass separation
Biofilter
Oxygen-free break down of material
the remediation of sludge polluted with PFAS. A 2024 study has shown that anaerobic digestion, combined with adsorption in activated carbon and voltage
Anaerobic_digestion
Foam made from biological substances
academia began in the 1980s in relation to the scum that formed on activated sludge plants. Biofoams is a broad umbrella term that covers a large variety
Biofoam
Species of bacterium
bacterium from the genus Novosphingobium which has been isolated from activated sludge from a wastewater treatment plant in Kunshan City in China. Parte,
Novosphingobium chloroacetimidivorans
Novosphingobium_chloroacetimidivorans
Chromium in the +6 oxidation state
investigated to see if they are capable of reducing Cr(VI). Experiments with activated sludge have also shown its ability to reduce Cr(VI) to Cr(III). Hexavalent
Hexavalent_chromium
Methods of transforming crude oil
flotation (DAF) units and some type of further treatment (such as an activated sludge biotreater) to make the wastewaters suitable for reuse or for disposal
Petroleum_refining_processes
Species of bacterium
non-motile bacterium from the genus Ottowia which has been isolated from activated sludge from Munich in Germany. Parte, A.C. "Ottowia". LPSN. "Ottowia thiooxydans"
Ottowia_thiooxydans
used the stabilization pond technology, but was rebuilt using the activated sludge technology in 2008 under a Build-Operate-Transfer contract signed in
Water supply and sanitation in Jordan
Water_supply_and_sanitation_in_Jordan
ACTIVATED SLUDGE
ACTIVATED SLUDGE
ACTIVATED SLUDGE
Girl/Female
Anglo, British, English
Brilliant Sword
Girl/Female
Arabic, Muslim
Sultana
Female
Hungarian
Hungarian form of Latin Felicia, FELÃCIA means "happy" or "lucky."
Boy/Male
Hindu
Brilliant, Shining, Splendid
Girl/Female
Indian, Kashmiri
Mother of Lord Hanuman
Boy/Male
Greek
Free.
Surname or Lastname
English
English : perhaps from Middle English nonnerie ‘nunnery’, applied as a topographic name for someone who lived by a nunnery or a metonymic occupational name for someone who worked at one.
Boy/Male
Biblical Hebrew Spanish
God that hears.
Boy/Male
Hindu, Indian, Tamil
Glory; Vigour
Boy/Male
Tamil
Soumen | ஸோஉஂமேந
Moon or Lord Indra, Must by Joy
ACTIVATED SLUDGE
ACTIVATED SLUDGE
ACTIVATED SLUDGE
ACTIVATED SLUDGE
ACTIVATED SLUDGE
v. t.
To make active.
a.
Disposed to do harm, inflict suffering, or cause distress; actuated by extreme malevolence or enmity; virulently inimical; bent on evil; malicious.
a.
High-minded; actuated by principles of honor, or a scrupulous regard to probity, rectitude, or reputation.
a.
Actuated by avarice; greedy of gain; immoderately desirous of accumulating property.
a.
Inspired by patriotism; actuated by love of one's country; zealously and unselfishly devoted to the service of one's country; as, a patriotic statesman, vigilance.
a.
Put in action; actuated.
imp. & p. p.
of Captivate
v. t.
To acquire ascendancy over by reason of some art or attraction; to fascinate; to charm; as, Cleopatra captivated Antony; the orator captivated all hearts.
n.
One charmed or subdued by beaty, excellence, or affection; one who is captivated.
a.
Actuated or prompted by a devotion to money getting or the service of Mammon.
a.
Subdued by love; charmed; captivated.
a.
Full of, or characterized by, whims; actuated by a whim; having peculiar notions; queer; strange; freakish.
v. i.
To have a spiritual existence; to be quickened, nourished, and actuated by divine influence or faith.
p. p. & a.
Actuated or characterized by passion or zeal; showing warmth of feeling; ardent; animated; excited; as, an impassioned orator or discourse.
imp. & p. p.
of Actuate
a.
Very bitter in enmity; actuated by a desire to injure; malignant; as, a virulent invective.
a.
Of or pertaining to a clan; closely united, like a clan; disposed to associate only with one's clan or clique; actuated by the traditions, prejudices, habits, etc., of a clan.
prep.
Denoting that by which a person or thing is actuated or impelled; also, the source of a purpose or action; as, they went of their own will; no body can move of itself; he did it of necessity.
a.
Actuated by impulse or by transient feelings.