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Particles coming out of suspension as flakes
IUPAC definition Flocculation (in polymer science): Reversible formation of aggregates in which the particles are not in physical contact. Agglomeration
Flocculation
Yeast flocculation typically refers to the reversible clumping together (flocculation) of brewing yeast once the sugar in a wort has been fermented into
Yeast_flocculation
In water treatment, the addition of compounds that promote clumping
In water treatment, coagulation and flocculation involve the addition of compounds that promote the clumping of fine floc into larger floc so that they
Coagulation_(water_treatment)
Process of removing impurities from water
sand filters or biologically active carbon; chemical processes such as flocculation and chlorination; and the use of electromagnetic radiation such as ultraviolet
Water_purification
Type of beer brewed using a warm fermentation method
brewers will add different syrups, saps, honeys, and syrups to their ale. Flocculation is the tendency for the yeast to conglomerate into large masses at the
Ale
Chemical compound
suited for flocculation. Actually, pDADMAC or DMDAAC, is used as a coagulant - a charge neutralization process that precedes flocculation. PolyDADMAC
PolyDADMAC
Emulsion
factors including temperature, pH, and the ionic strength of the solvent. Flocculation occurs when the dispersed drops group together throughout the continuous
Macroemulsion
Agent used to remove suspended solids from liquid
agents are used to remove suspended solids from liquids by inducing flocculation, causing the solids to form larger aggregates that can be easily removed
Clarifying_agent
Soluble chemical substance or natural material which can impart color to other materials
A dye is a colored substance that is soluble in some solvent; by contrast pigments are insoluble or nearly so in all solvents. Because of their solubility
Dye
Breaking of an emulsion as a new liquid
parts of different composition through the physio-chemical processes of flocculation, creaming, and coalescence. Curdling is purposeful in the production
Curdling
Species of edible plant
Konstantinos Anastasakis, Dimitrios Kalderis, Evan Diamadopoulos (2009), "Flocculation behavior of mallow and okra mucilage in treating wastewater", Desalination
Okra
Environmental remediation technique
the flocculation process, the polymers settle to the bottom of the solution and are filtered out. Utilization of these polymers for flocculation results
Microplastic_remediation
Topics referred to by the same term
Coagulant may refer to: Coagulant in coagulation of the blood Coagulant in flocculation in colloidal chemistry Coagulation (water treatment) Coagulation (disambiguation)
Coagulant
Irrigation water quality parameter
nature and the concentrations of cations at which the flocculation occurs: critical flocculation concentration (CFC). The SAR parameter is also used to
Sodium_adsorption_ratio
Water softening method
removing a variety of microorganisms and dissolved organic matter by flocculation. Lime softening was first used in 1841 to treat Thames River water. The
Lime_softening
Topics referred to by the same term
database Flocking agent, or clarifying agent, in chemistry, to induce flocculation Flock (satellite), by Planet Labs Flock Safety, a licence plate recognition
Flock
Chemical compound
chains of polyacrylamide. This results in significant enhancement of the flocculation rate. This allows water treatment plants to greatly improve the removal
Polyacrylamide
Family of double sulfate salts of aluminium
aluminium sulfate, Al2(SO4)3·nH2O, which is used for most industrial flocculation (the variable n is an integer whose size depends on the amount of water
Alum
Electrokinetic potential in colloidal dispersions
of Zeta potential (mV) Stability behavior 0 to 5 Rapid coagulation or flocculation 10 to 30 Incipient instability 30 to 40 Moderate stability 40 to 60 Good
Zeta_potential
Chemical element with atomic number 33 (As)
constant monitoring can prevent future contamination. Coagulation and flocculation are closely related processes common in arsenate removal from water.
Arsenic
Engineering technique
Alternatively, polymer molecules that bond with multiple clay particles promote flocculation. Hydrogel networks can result in more indirect strengthening within soils
Polymer_soil_stabilization
Self-contained, easily transported units used to purify water from untreated sources
(including sodis), distillation (including solar distillation), and flocculation. Often these are used in combination. Untreated water may contain potentially
Portable_water_purification
Population balance equation in statistical physics
processes involving polymerization, coalescence of aerosols, emulsication, flocculation. The distribution of particle size changes in time according to the interrelation
Smoluchowski coagulation equation
Smoluchowski_coagulation_equation
Organic chemical compound
polyacrylamides, which find many uses as water-soluble thickeners and flocculation agents. Acrylamide forms in burnt areas of food, particularly starchy
Acrylamide
Mixture of two or more immiscible liquids
types of instability in emulsions: flocculation, coalescence, creaming/sedimentation, and Ostwald ripening. Flocculation occurs when there is an attractive
Emulsion
Property of soil
interactions of primary soil particles (i.e., clay) through rearrangement, flocculation and cementation. Aggregate stability has a direct impact on soil pore
Soil_aggregate_stability
Type of clay found in coastal regions around the world
the ocean floor it can change its structure through a process known as flocculation, process by which fine particulates are caused to clump together or floc
Marine_clay
Topics referred to by the same term
principle regarding geographic concentration of industries A subcategory of Flocculation Oil agglomeration Agglomeration, a term used by philosopher Bernard Williams
Agglomeration
Process by which small crystals dissolve in solution for the benefit of larger crystals
systems, Ostwald ripening is also found in water-in-oil emulsions, while flocculation is found in oil-in-water emulsions. This thermodynamically-driven spontaneous
Ostwald_ripening
Fine-grained, clastic sedimentary rock
since the settling rate of individual clay particles is extremely slow. Flocculation is very rapid once the clay encounters highly saline sea water. Whereas
Shale
are applied to make the separation faster and more efficient, such as flocculation, coagulation and suction. The most notable advantages of the gravitational
Gravity_separation
Chemical mixture used as a pest control agent
the dispersion of these solids. After elimination of residual solids (flocculation, decantation, and filtration), it is normally used as an aqueous solution
Lime_sulfur
Material in which viscosity increases with the rate of shear strain
a colloidal suspension transitions from a stable state to a state of flocculation. A large portion of the properties of these systems are due to the surface
Dilatant
Slow accumulating oceanic sediment with low biogenic constituents
clay-size sediment occurs primarily by the formation of clay aggregates by flocculation and by their incorporation into fecal pellets by pelagic organisms. Rothwell
Pelagic_red_clay
Various progressive interactions between clay minerals and water
of attractive forces as water moves the platelets further apart. (3) Flocculation begins when mechanical shearing stops, and platelets previously dispersed
Clay–water_interaction
Juice made from oranges
interaction between pectin and cloud proteins, which led to protein-pectin flocculation. The insoluble material of the cloud clumps in conditions above 70 °C
Orange_juice
Organic compound
Achromobacter Ribbons Flocculation Aerobacter Fibrils Flocculation Agrobacterium Short fibrils Attachment to plants Alcaligenes Fibrils Flocculation Pseudomonas
Bacterial_cellulose
Process that improves the quality of water
applications. Also referred to as "Conventional" Treatment Coagulation for flocculation. The addition of coagulants destabilizes colloidal suspensions by neutralizing
Water_treatment
Settling tanks for continuous removal of solids being deposited by sedimentation
called scum. Before the water enters the clarifier, coagulation and flocculation reagents, such as polyelectrolytes and ferric sulfate, can be added.
Clarifier
Class of chemicals and interactions
occurs. As opposed to the loose and easily separated sediments formed in flocculation, sediments formed in deflocculation are tightly packed and difficult
Emulsion stabilization using polyelectrolytes
Emulsion_stabilization_using_polyelectrolytes
Brand of beer produced by Anheuser-Busch
The maturation tanks that Anheuser-Busch uses are horizontal, causing flocculation of yeast to occur much more quickly. Anheuser-Busch refers to this process
Budweiser
Clumping of particles in suspension
agglomerates. This phenomenon is also referred to as coagulation or flocculation and such a suspension is also called unstable. Particle agglomeration
Particle_aggregation
Species of flowering tree
byproduct of pressing seeds to obtain oil, is used to filter water using flocculation to produce potable water for animals or humans. Moringa seeds contain
Moringa_oleifera
Biochemical laboratory technique
precipitate to dissolve back into the solution. An example of polyelectrolyte flocculation is the removal of protein cloud from beer wort using Irish moss. Metal
Protein_precipitation
Population explosion of organisms that can kill marine life
particles to achieve a positive charge, with these particles then undergoing flocculation with the harmful algae cells. The algae cells then group together: becoming
Harmful_algal_bloom
Portable water purification powered by sunlight
household water treatment and safe storage exist, including chlorination, flocculation/disinfection, and various filtration procedures. The method should be
Solar_water_disinfection
Water purified to uncommonly stringent specifications
reverse osmosis or ion exchange during primary treatment. Coagulation (flocculation) and settling are used along with filtration to remove particulate matter
Ultrapure_water
Floating upwards of a layer of emulsion
this it differs from flocculation (where particles clump) or emulsion breaking (where particles coalesce). Unlike flocculation and breaking, creaming
Creaming_(chemistry)
Reservoir in San Luis Obispo County, California
to settle out and pathogens to die off. The water then goes through flocculation, filtration and chlorination at the Lopez Water Treatment Plant. The
Lopez_Lake
Annual layer of sediment or sedimentary rock
impossible to distinguish the individual layers in salt waters. Indeed, clay flocculation occurs at high ionic strength due to the collapse of the clay electrical
Varve
Disease outbreak in Georgia, United States
adequate." It is believed that removal of mechanical agitators at the flocculation stage resulted in the passage of particulates. 1993 Milwaukee Cryptosporidiosis
1987 Carroll County cryptosporidiosis outbreak
1987_Carroll_County_cryptosporidiosis_outbreak
Hypothesis for altruism in evolutionary biology
evolution. When this yeast expresses FLO1 in the laboratory, flocculation is restored. Flocculation is apparently protective for the FLO1+ cells, which are
Green-beard_effect
Water filtration device
highly charged cations (aluminium 3+ or calcium 2+ are usually used) Flocculation – adding small amounts of charge polymer chains which either form a bridge
Sand_filter
Form of petroleum primarily used in road construction
storage of bitumen emulsions, bitumen particles sediment, agglomerate (flocculation), or fuse (coagulation), which leads to a certain instability of the
Bitumen
Diagnostic technique
Laboratory) test and Rapid Plasma Reagin (RPR) test. Both these test are flocculation type tests that use an antigen-antibody interaction. The complexes remain
Nontreponemal tests for syphilis
Nontreponemal_tests_for_syphilis
Substance added to suspensions to increase separation of particles
coatings are inherently unstable, and they must be stabilized against the flocculation that might occur. Plasticizer Deflocculant Detergent Surfactant Superplasticizer
Dispersant
material clumps together to form larger particles, a process known as flocculation. Still another factor is water movement where the plume is introduced
Dredge_plume
Classification of soil or sediment
throughout the mudrock, it likely was deposited by rapid processes, such as flocculation. Sedimentary rock composed mainly of silt is known as siltstone. Silt
Silt
Antibody test for syphilis
Replacement tests such as the VDRL test and the RPR test, initially based on flocculation techniques (Hinton), have been shown to produce far fewer false positive
Wassermann_test
Blood test for syphilis
IgM or IgA), visualized through foaming of the test tube fluid, or "flocculation".[citation needed] The rapid plasma reagin (RPR) test uses the same antigen
Venereal Disease Research Laboratory test
Venereal_Disease_Research_Laboratory_test
Type of microbial aggregate suspension
growth is planktonic, even though exopolysaccharide is produced. Yeast flocculation#Process Davey ME, O'toole GA (December 2000). "Microbial biofilms: from
Floc_(biofilm)
Heterogeneous mixture of solid particles dispersed in a medium
changes in concentration (sedimentation) and global changes in size (flocculation, aggregation) are detected and monitored. Of primary importance in the
Suspension_(chemistry)
determination of the optimum dose of surfactant for achieving stabilization or flocculation of a heterogeneous system. In a zeta-potential titration, the Zeta potential
Zeta_potential_titration
Triatomic oxygen molecule
and complex organics lumped together as "colour") Provide an aid to flocculation (agglomeration of molecules, which aids in filtration, where the iron
Ozone
20-30 minutes of flocculation time required which increase the footprint of the plant and the energy cost of mechanical flocculation and sludge scraping
Walton_water_treatment_works
Chemical compound
be filtered out) more easily. This process is called coagulation or flocculation. Research suggests that in Australia, aluminium sulfate used in this
Aluminium_sulfate
Group of polymers prepared from acrylate monomers
acetate (VAM) and acrylic acid (VAA) Polyacrylamide copolymer used as flocculation agent in water treatment Dishmaker (Meth)acrylate Erich Penzel (2000)
Acrylate_polymer
concentrations of dimethylsulfoniopropionate. These filters contain three stages: flocculation, clarification and filtration. Typical rapid gravity filters contain
Gravity_filtration
Thermoplastics or elastomers suspended in a liquid state by means of emulsifiers
of droplets, which reduces interfacial tension and retards particle flocculation during mixing. The molecules of surfactant have polar and non-polar parts
Emulsion_dispersion
Process in beer production
the mother cell), which is in the technical sense different from true flocculation. The most common top-cropping brewer's yeast, Saccharomyces cerevisiae
Brewing
highest turbidity resulting from turbulent resuspension of sediment and flocculation of particulate matter in an estuary. The turbulence is driven by tidal
Estuarine_turbidity_maximum
Natural addition of materials to a landmass
although due to seawater being a strong electrolyte bonding agent, flocculation occurs where individual particles create an electrical bond adhering
Deposition_(geology)
pH value where the surface of a colloidal solid carries no net electrical charge
This concept has been introduced in the studies dealing with colloidal flocculation to explain why pH is affecting the phenomenon. A related concept in electrochemistry
Point_of_zero_charge
Method of converting a mixture containing precipitate into a colloid
microscopic particles suspended in the mixture. Peptization is the reverse of flocculation, the aggregation of colloidal particles into precipitate; as such, it
Peptization
City in Arkansas, United States
View of the coagulation and flocculation processes at the Lake Fort Smith WTP
Fort_Smith,_Arkansas
Practices performed to preserve health
suspended above the water channel or submerged in the water flow. combined flocculation/disinfection systems — available as sachets of powder that act by coagulating
Hygiene
Large type of parasitic organism
that remove particles, such as sedimentation, filtration or coagulation-flocculation physically remove helminth eggs from wastewater (but do not inactivate
Parasitic_worm
Inorganic salt: NaBr
drilling fluid to swell, while the high ionic strength induces bentonite flocculation. NaBr has a very low toxicity with an oral LD50 estimated at 3.5 g/kg
Sodium_bromide
Substance that stops bleeding
applied directly to the bleeding site. The high ionic strength promotes flocculation of the blood, and the astringent chemical causes local vasoconstriction
Antihemorrhagic
Typical soils of coniferous or boreal forests
conductivity due to higher clay content can also result in the early flocculation of organo-mineral complexes. The relocated substances can sometimes separate
Podzol
handheld vacuums can microfilter a pool, which a sand filter without flocculation or coagulants is unable to accomplish. These cleaners are independent
Swimming_pool_sanitation
parts of different composition through the physico-chemical processes of flocculation, creaming, and coalescence. Curdling is intentional and desirable in
List_of_cooking_techniques
Community of microbial organisms
tank or the “settling tank” is where treated water is separated from flocculation. This is the most important part because the biomass is in the form of
Aerobic_granular_reactor
Topics referred to by the same term
flake of precipitate that comes out of solution during the process of flocculation Floc (biofilm), a specialized biofilm suspended in water Floc de Gascogne
Floc
Device that removes impurities in water
A large-scale flocculation water filter
Water_filter
Wasserman test by developing the Mazzini test—also known as the lipoidal flocculation test—for syphilis. In 1950 he further refined the test by using the cardiolipin
Louis_Yolando_Mazzini
Style of beer from Poland
strain of yeast that was characterized by low attenuation and early flocculation. However, that strain was lost in the early 20th century. After World
Grodziskie
Temperature above which micelles form in a solution of dissolved surfactants
becoming cloudy or opaque due to the surfactant molecules undergoing flocculation. Surfactants in such a crystalline state will only solubilize and form
Krafft_temperature
Advanced Materials Research, 2008, Vol. 47–50, pp. 77–80. Figovsky Oleg, Flocculation of Paper Mill Effluents Using Starch-G-Polyacrylamide Flocculants, Research
Oleg_Figovsky
Fruit tree, the medlar
of about 2.6% and are therefore used for tanning. The tannin causes flocculation of proteins, enabling its use to reduce the turbidity of wine. In Saarland
Mespilus_germanica
Laboratory method for determining the concentration of an analyte
adding surfactant. Another use is to determine the optimum dose for flocculation or stabilization. An assay is a type of biological titration used to
Titration
the dispersed phase (drops, particles, bubbles) increases reversibly (flocculation) irreversibly (aggregation, coalescence, Ostwald ripening) Multiple light
Dispersion_stability
Type of painting method
create a lighter spot in a painted area. Furthermore, the gum prevents flocculation of the pigment particles. Watercolor painting employs a range of techniques
Watercolor_painting
Chemical compound
synthesis of iron complexes, ferrous chloride serves as a coagulation and flocculation agent in wastewater treatment, especially for wastes containing chromate
Iron(II)_chloride
Bronze Award of US$100,000 for the PUR™ Purifier of Water coagulation and flocculation water treatment system. Pfitzer, Kurt. "Arsenic-removal system wins NAE
Grainger_challenge
Process for selectively separating of hydrophobic materials from hydrophilic
material lost to the tailings. Deinking Dissolved air flotation (DAF) Flocculation List of waste-water treatment technologies G J Jameson, "Flotation cell
Froth_flotation
Artificial channel used in aquaculture
baffles, media filters, air flotation, foam fractionation, chemical flocculation, and constructed wetlands. But because of the impracticality and / or
Raceway_(aquaculture)
Fluid filtration medium
are direct filtration and contact-flocculation filtration. Direct filtration involves a short period of pre flocculation stage followed by the filtration
Depth_filter
Method that converts a mixture or solution into two or more distinct products
utilising synthetic membranes, separates micrometre-sized or smaller species Flocculation, separates a solid from a liquid in a colloid, by use of a flocculant
Separation_process
River in Manawatū-Whanganui, New Zealand
the river. In 2018 Veolia added activated carbon dosing, coagulation, flocculation, a lamella settler, filters and UV disinfection to the previous two settling
Makotuku_River
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