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Biological oxidation of ammonia/ammonium to nitrate
Nitrification is the biological oxidation of ammonia to nitrate via the intermediary nitrite. Nitrification is an important step in the nitrogen cycle
Nitrification
Chemolithotrophic organisms
internal membrane systems that are the location for key enzymes in nitrification: ammonia monooxygenase (which oxidizes ammonia to hydroxylamine), hydroxylamine
Nitrifying_bacteria
Simultaneous nitrification–denitrification (SNdN) is a wastewater treatment process. Microbial simultaneous nitrification-denitrification is the conversion
Simultaneous nitrification–denitrification
Simultaneous_nitrification–denitrification
Biogeochemical cycle by which nitrogen is converted into various chemical forms
Important processes in the nitrogen cycle include fixation, ammonification, nitrification, and denitrification. The majority of Earth's atmosphere (78%) is atmospheric
Nitrogen_cycle
Wastewater treatment process using aeration and a biological floc
anoxic compartment inside the aeration tank in order to perform the nitrification-denitrification process more efficiently. First, ammonia is oxidized
Activated_sludge
Genus of bacteria
nitrogen cycle by performing nitrite oxidation in the second step of nitrification. Nitrospira live in a wide array of environments including but not limited
Nitrospira
ammonia into nitrite and then into nitrate through the process of nitrification. Nitrification has traditionally been thought to be a two-step process, where
Comammox
Genus of bacteria
this reason, nitrification supplies much of the nitrogen that fuels planktonic primary production in the world's oceans. Nitrification is estimated to
Nitrobacter
Inorganic compound
Nylon-6. The oxidation of NH3 to hydroxylamine is a step in biological nitrification. Hydroxylamine was first prepared as hydroxylammonium chloride in 1865
Hydroxylamine
In oceanic biogeochemistry, the fraction of total primary production fuelled by nitrate
the assumption of a strong depth-partitioning of a parallel process, nitrification, that more recent measurements has questioned. Gravitational sinking
F-ratio_(oceanography)
Chemical compound
described as a white crystalline solid with a sweet odor. It is used as a nitrification inhibitor and bactericide, which is applied to soils for the growing
Nitrapyrin
Genus of archaea
ammonia-oxidizing bacteria. Both microbes play a significant role in the nitrification of soils. Nitrososphaera utilize ammonia from the environment to generate
Nitrososphaera
Chemical compound
is much interest in ammonium in soils. oxidation of ammonium occurs nitrification, which produces nitrate and nitrite. This process is a form of autotrophy
Ammonium
Large body of salt water
transformations which include the fixation of nitrogen, its assimilation, nitrification, anammox and denitrification. Some of these processes take place in
Sea
Artificial wetland to treat wastewater, greywater or stormwater runoff
micro-organisms facilitate decomposition of organic matter. Microbial nitrification and subsequent denitrification releases nitrogen as gas to the atmosphere
Constructed_wetland
Study of living things in soil
gardener's point of view, the important roles that bacteria play are: Nitrification is a vital part of the nitrogen cycle, wherein certain chemolithotrophic
Soil_biology
Biogeochemical cycle for movement of water on Earth
Boreal forests Nutrient cycle Hydrogen cycle Nitrogen cycle human impact nitrification nitrogen and lichens fixation assimilation Oxygen cycle Phosphorus cycle
Water_cycle
Species of bacterium
Nitrospirota. This phylum contains nitrite-oxidizing bacteria playing role in nitrification. However N. inopinata was shown to perform complete ammonia oxidation
Nitrospira_inopinata
Chemical compound
used as a reagent in the laboratory. It has been found to act as a nitrification inhibitor in soil. KN3, RbN3, CsN3, and TlN3 adopt the same structures
Potassium_azide
By-product of neem tree fruits and kernels
Tree Azadirachta, has given details about neem seed cake as manure and nitrification inhibitor. The author has described that, after processing, neem cake
Neem_cake
Process of removing contaminants from municipal wastewater
to nitrite and further to nitrate in a water body, in the process of nitrification, is associated with the consumption of dissolved oxygen. Nitrite and
Sewage_treatment
Genus of archaea
carbon cycle. N. maritimus carries out the first step of Nitrification, by acting in a key role in the Nitrogen cycle along the water column
Nitrosopumilus
Biochemical pathways used by microbes to satisfy energy needs
fixation via the Calvin cycle. Nitrification is the process by which ammonia (NH 3) is converted to nitrate (NO− 3). Nitrification is actually the net result
Microbial_metabolism
Substance added to soil to enhance plant growth
biological activity, thereby soil fertility, in particular through increased nitrification. The nutrients required for healthy plant life are classified according
Fertilizer
Colourless non-flammable greenhouse gas
oxide may be classified as nitrification and denitrification. Specifically, they include: aerobic autotrophic nitrification, the stepwise oxidation of
Nitrous_oxide
sciences. A crucial process both bacteria and archaea are involved in is nitrification–the oxidation of ammonia, which contributes to healthier agricultural
Akaryocyte
Water quality modelling expression
where D is the saturation deficit. k N {\displaystyle k_{N}} is the nitrification rate [ d − 1 ] {\displaystyle [d^{-1}]} . N {\displaystyle N} is ammonium-nitrogen
Streeter–Phelps_equation
Phylum of bacteria
oxidation of nitrite to nitrate they are important in the process of nitrification in marine environments. Although the genus Nitrospina is an aerobic
Nitrospinota
Chemical compound, [NH3OH]Cl
chloride anions Cl−. Hydroxylamine is a biological intermediate in nitrification (biological oxidation of ammonia with oxygen into nitrite) and in anammox
Hydroxylammonium_chloride
Species of plant
fertility. Fertilizer: neem extract is added to fertilizers (urea) as a nitrification inhibitor. Animal feed: Neem leaves can be occasionally used as forage
Azadirachta_indica
Food production system
are captured and the medium has enough surface area for fixed-film nitrification. The ability to combine biofiltration and hydroponics allows for aquaponic
Aquaponics
gives rise to Ag+, potentially inhibits nitrification within Ammonia oxidizing bacteria. A key step in nitrification is the oxidation of ammonia to hydroxylamine
Oxidative dissolution of silver nanoparticles
Oxidative_dissolution_of_silver_nanoparticles
Adapt-N simulates the nitrogen cycle, including nitrogen fixation, nitrification and denitrification through a combination of soil, weather, crop and
Adapt-N
Domain of microorganisms
Treatment using the "Sulfate Reduction, DenitrificationAnammox and Partial Nitrification (SRDAPN)" Process". Chemosphere. 256 127092. Bibcode:2020Chmsp.25627092K
Bacteria
Boreal forests Nutrient cycle Hydrogen cycle Nitrogen cycle human impact nitrification nitrogen and lichens fixation assimilation Oxygen cycle Phosphorus cycle
Lead_cycle
Genus of bacteria
2016). "Nitrification resilience and community dynamics of ammonia-oxidizing bacteria with respect to ammonia loading shock in a nitrification reactor
Nitrosomonas
Conversion of dinitrogen into ammonia
Washington Carver: an American botanist Heterocyst Marine nitrogen fixation Nitrification: biological production of nitrogen Nitrogen cycle: the flow and transformation
Nitrogen_fixation
Ammonium Removal Over Nitrite) is a sewage treatment process. A partial nitrification process of sewage treatment used for the removal of ammonia and organic
SHARON_Wastewater_Treatment
Boreal forests Nutrient cycle Hydrogen cycle Nitrogen cycle human impact nitrification nitrogen and lichens fixation assimilation Oxygen cycle Phosphorus cycle
Zinc_cycle
Biogeochemical cycling of chlorine
Boreal forests Nutrient cycle Hydrogen cycle Nitrogen cycle human impact nitrification nitrogen and lichens fixation assimilation Oxygen cycle Phosphorus cycle
Chlorine_cycle
Biogeochemical cycle
Boreal forests Nutrient cycle Hydrogen cycle Nitrogen cycle human impact nitrification nitrogen and lichens fixation assimilation Oxygen cycle Phosphorus cycle
Fluorine_cycle
Largest of the Great Lakes of North America
"Increasing Stoichiometric Imbalance in North America's Largest Lake: Nitrification in Lake Superior" (PDF). Geophysical Research Letters. Vol. 34, no. 10
Lake_Superior
CH3OH; simplest possible alcohol
denitrifying bacteria, which convert nitrates to nitrogen gas and reduce the nitrification of sensitive aquifers. Methanol is used as a destaining agent in polyacrylamide
Methanol
Chemical compound
waits for soil microbes to convert amino-nitrogen into nitrates by nitrification. The nitrates are extracted from soil with water and then purified into
Potassium_nitrate
Chemical compound
acaricide and insecticide.[citation needed] Karanjin is reported to have nitrification inhibitory properties. Its formula was discovered by D. B. Limaye. Majumdar
Karanjin
Beneficial symbiosis between species
for another species. One good example is nitrification — the oxidation of ammonium ion to nitrate. Nitrification occurs in two steps: first, bacteria such
Commensalism
Chemical transfer pathway between Earth's biological and non-biological parts
Boreal forests Nutrient cycle Hydrogen cycle Nitrogen cycle human impact nitrification nitrogen and lichens fixation assimilation Oxygen cycle Phosphorus cycle
Biogeochemical_cycle
Species of bacterium
demonstrating its good abilities for aerobic denitrification and heterotrophic nitrification. Bouvet, P. J. M.; Grimont, P. A. D. (1986). "Taxonomy of the Genus
Acinetobacter_haemolyticus
chemolithotrophic pathways such as sulfur oxidation, iron oxidation, nitrification and carbon fixation. Surprisingly, despite the low oxygen conditions
Hadal zone microbial communities
Hadal_zone_microbial_communities
Coastal ecosystem between land and open saltwater that is regularly flooded
regions of anoxia may limit nitrification, and thus critically influence nitrifier distribution. The role of nitrification by AOB in salt marshes critically
Salt_marsh
Type of organism
with high redox potentials. Chemolithoautotrophs add nutrients through nitrification (ammonia to nitrate), sulfur oxidation (hydrogen sulfide to sulfate)
Chemolithoautotroph
Main anion present in sea water
nitrate removal and the conservation of water quality, and inhibit the nitrification and respiration of organic matter. The chlor-alkali industry is a major
Chloride
Chemical compound
(H2N)2C=NCN + PhCN → 1,3-(H2N)-5-Ph(C3N3) Cyanoguanidine is also used as a nitrification inhibitor in stabilized nitrogen fertilizers. It is used in the adhesive
2-Cyanoguanidine
Reduction of nitrate as a form of anaerobic respiration
inhibit rates, but it can also stimulate denitrification by facilitating nitrification and the production of nitrate. In wetlands as well as deserts, moisture
Denitrification
Portmanteau name for nitrite derivatives
heated with cyanides or thiosulfates, nitrites violently explode. In nitrification, ammonium is converted to nitrite. Important species include Nitrosomonas
Nitrite
Chemical compound
of soil nitrification. This inhibition can mitigate nitrogen loss from soil and prevent the environmental issues associated with nitrification in agricultural
1,10-Decanediol
Type of hemoglobin
importance, the degradation of toxic compounds, the enhancement of nitrification in wastewater treatment, and other environmental applications. Examples
VHb_(hemoglobin)
Biological process for wastewater treatment
conversion may be completed in the first stage of a series of modules, with nitrification being completed after the 5th stage. Most design of RBC systems will
Rotating_biological_contactor
Landfill site in Powys, Wales
system (detailed in) consists of an S3 Environmental Solutions Ltd nitrification tower (a trickling filter also known as an aeration or biofilm tower)
Nantmel_Landfill_Site
Impact of human life on Earth and environment
fertilization and NH3 emitted from soils (i.e., as an additional byproduct of nitrification) and livestock operations are transported to downwind ecosystems, influencing
Human impact on the environment
Human_impact_on_the_environment
Species of archaeon
notable similarities between N. gargensis and N. viennensis through their nitrification ability and PHA (putatively polyhydroxybutyrate) production along with
Nitrososphaera_gargensis
Trees uprooted by wind
1–10. Mladenoff, D.J. (1987) Dynamics of nitrogen mineralization and nitrification in hemlock and hardwood treefall gaps. Ecology, 68, 1171–1180. Peterson
Windthrow
Measure of the amount of oxygen that can be consumed by reactions in a solution
This expression does not include the oxygen demand caused by nitrification, the oxidation of ammonia into nitrate: N H 3 + 2 O 2 → N O 3 − + H
Chemical_oxygen_demand
Chemical element with atomic number 7 (N)
or nitric acid. Biologically mediated reactions (e.g., assimilation, nitrification, and denitrification) strongly control nitrogen dynamics in the soil
Nitrogen
Community of living organisms together with the nonliving components of their environment
nitrate ions, a process known as nitrification. Nitric oxide and nitrous oxide are also produced during nitrification. Under nitrogen-rich and oxygen-poor
Ecosystem
Polyatomic ion (NO3, charge –1) found in explosives and fertilisers
nutrient dynamics can disrupt the natural processes of nitrogen fixation, nitrification, and denitrification, leading to altered microbial community structures
Nitrate
Biogeochemical cycle
Boreal forests Nutrient cycle Hydrogen cycle Nitrogen cycle human impact nitrification nitrogen and lichens fixation assimilation Oxygen cycle Phosphorus cycle
Phosphorus_cycle
Species of flowering plant
is an endangered plant species, mainly threatened by the excessive nitrification of soils (due to the high density of seabirds) and invasive plant species
Pulicaria_microcephala
Topics referred to by the same term
Ammonia-oxidizing archaea performing oxidation of ammonia into nitrite (Nitrification) Angle of arrival, direction from which a radio wave arrives at an antenna
AOA
Chemical compound
with urea and/or urea ammonium nitrate due to its ability to delay nitrification. It thus has the ability to reduce the emission of nitrous oxide. It
Potassium_thiosulfate
Domain of organisms
remains largely unexplored. Some marine Thermoproteota are capable of nitrification, suggesting these organisms may affect the oceanic nitrogen cycle, although
Archaea
Grass damage by cattle urine
generate large concentrations of the greenhouse gas nitrous oxide through nitrification and denitrification processes in urine-contaminated soils. Over the
Cattle_urine_patches
Solid material produced during wastewater treatment
dissolved oxygen content to drop; this may reduce the efficiency of nitrification and the settleability of the sludge. Excessive aeration will be required
Mixed_liquor_suspended_solids
Earth, a natural material
Winogradsky, Sergei (1890). "Sur les organismes de la nitrification" [On the organisms of nitrification]. Comptes Rendus Hebdomadaires des Séances de l'Académie
Soil
Enzyme
Nitrite oxidoreductase (NOR or NXR) is an enzyme involved in nitrification. It is the last step in the process of aerobic ammonia oxidation, which is
Nitrite_oxidoreductase
Australian scientist (1890–1987)
doi:10.1017/S0021859600006444. S2CID 86845108. Prescott, J. A. (1919). "Nitrification in Egyptian Soils". The Journal of Agricultural Science. 9 (3): 216–236
James_Arthur_Prescott
Animal adapted to digging and living underground
have considerably higher amounts of NH+ 4 and NO− 3 as well as greater nitrification potential and microbial NO− 3 consumption than in vegetated soils. The
Fossorial
Scientific technique
the nitrous oxide molecule has been used to determine its sources (nitrification or denitrification). When nitrogen substrates are artificially enriched
Nitrogen-15_tracing
Type of activated sludge process for the treatment of wastewater
ammonia form to oxidized nitrite and nitrate forms, a process known as nitrification. To remove phosphorus compounds from the liquor, aluminium sulfate (alum)
Sequencing_batch_reactor
Mechanism that maintains marine microbial diversity
deep ocean microbes, or undergo nitrification and be oxidized into nitrites and nitrates. The sequence of nitrification is: NH4+ → NO2− → NO3− Dissolved
Viral_shunt
monooxygenase converts ammonia in wastewater into nitrite during the nitrification process. Anaerobic ammonium oxidation bacteria (Anammox) reactions,
Anammox for wastewater treatment
Anammox_for_wastewater_treatment
French agricultural chemist
Agricole". In 1877 together with Jean-Jacques Schloesing he proved that nitrification is indeed microbially mediated process. He died in Paris. He published
Achille_Müntz
Management and control of wildlife populations
being undertaken. Techniques can include reforestation, pest control, nitrification and denitrification, irrigation, coppicing and hedge laying. Gamekeeping
Wildlife_management
Chemical compound
long term the treated ground becomes more acidic than before, upon nitrification of the ammonium. It is incompatible with alkaline chemicals because
Diammonium_phosphate
Set of chemical reactions in organisms
are important in global biogeochemical cycles such as acetogenesis, nitrification and denitrification and are critical for soil fertility. The energy
Metabolism
Combination technology for wastewater treatment
retention times (SRT), which can enhance organic matter degradation and nitrification efficiency. The elimination of a secondary clarifier results in a smaller
Membrane_bioreactor
Species of grass
that the roots and rhizomes grew quite well, supporting and enhancing nitrification processes, although the above-ground dry weight yield was low because
Miscanthus_×_giganteus
Chemical compound
Mercury(II) nitrate is used as an oxidizing agent in organic synthesis, as a nitrification agent, as an analytical reagent in laboratories, in the manufacture
Mercury(II)_nitrate
Fire-resistant chemical used in dinnerware, insulation, and cleaning products
Hauck, R. D.; Stephenson, H. F. (1964). "Fertilizer Nitrogen Sources, Nitrification of Triazine Nitrogen". Journal of Agricultural and Food Chemistry. 12
Melamine
Chemical compound
(December 2021). "Ammonia-oxidizing bacteria play an important role in nitrification of acidic soils: A meta-analysis". Geoderma. 404 115395. Bibcode:2021Geode
Ammonia
Type of wetland fed by mineral-rich ground or surface water
of the wetland, this ammonium is oxidized to nitrite and nitrate by nitrification. The production of ammonium in the reduced layer and its consumption
Fen
Phylum of bacteria
P, Han P, Herbold C, Albertsen M, et al. (December 2015). "Complete nitrification by Nitrospira bacteria". Nature. 528 (7583): 504–9. Bibcode:2015Natur
Nitrospirota
Term for nitric oxide and nitrogen dioxide
microorganisms. The nitrification process transforms ammonia into nitrate. Denitrification is basically the reverse process of nitrification. During denitrification
NOx
Community of microbial organisms
adjust the microbial community compositions within the simultaneous nitrification, denitrification and phosphorus removal system. Aerobic granulation
Aerobic_granular_reactor
Transparent tank of water for fish and water-dwelling species
sometimes remove phosphate. Filter media can house microbes that mediate nitrification. Filtration systems are sometimes the most complex component of home
Aquarium
Physico-chemical changes in sediments occurring after their deposition
water column. The various processes of mineralization in this phase are nitrification and denitrification, manganese oxide reduction, iron hydroxide reduction
Diagenesis
Oxygen needed to remove organics from water
solids. This was the cornerstone 20:30 (BOD:Suspended Solids) + full nitrification standard which was used as a yardstick in the U.K. up to the 1970s for
Biochemical_oxygen_demand
Organism that ingests organic carbon for nutrition
PMID 20929768. Martikainen, Pertti J. (2022-05-01). "Heterotrophic nitrification – An eternal mystery in the nitrogen cycle". Soil Biology and Biochemistry
Heterotroph
Sensor of ion concentration in a solution
reduces any nitrate ion, up to 20 ppm, to ammonium ion (i.e., reverse nitrification). At pH 12-13, any ammonium ion in the sample is converted to ammonia
Ion-selective_electrode
Environmental impact of agricultural and industrial nitrogen
In agroecosystems, fertilizer application has increased microbial nitrification (aerobic process in which microorganisms oxidize ammonium [NH4+] to
Human impact on the nitrogen cycle
Human_impact_on_the_nitrogen_cycle
NITRIFICATION
NITRIFICATION
NITRIFICATION
NITRIFICATION
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Variant spelling of English Aldridge, ELDRIDGE means "noble ruler."
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Residents, Populace
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One of devis names, Name of a Goddess
Girl/Female
Hindu, Indian, Marathi
To Shine; Bright
Surname or Lastname
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English : variant spelling of Maslin.
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Greek
Strong gift.
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Little one.
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NITRIFICATION
NITRIFICATION
NITRIFICATION
NITRIFICATION
NITRIFICATION
n.
A process of oxidation, in which nitrogenous vegetable and animal matter in the presence of air, moisture, and some basic substances, as lime or alkali carbonate, is converted into nitrates.
n.
An artificial bed of animal matter for the manufacture of niter by nitrification. See Nitrification, 2.
n.
Potassium nitrate; niter; a white crystalline substance, KNO3, having a cooling saline taste, obtained by leaching from certain soils in which it is produced by the process of nitrification (see Nitrification, 2). It is a strong oxidizer, is the chief constituent of gunpowder, and is also used as an antiseptic in curing meat, and in medicine as a diuretic, diaphoretic, and refrigerant.
n.
The act or process of oxidizing nitrogen or its compounds so as to form nitrous or nitric acid.
n.
An agent employed in nitrification.
n.
The act, process, or result of combining with nitrogen or some of its compounds.
v. t.
To combine or impregnate with nitrogen; to convert, by oxidation, into nitrous or nitric acid; to subject to, or produce by, nitrification.