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  • oxidation
  • Before use in its myriad industrial applications, the solution is prepared through oxidation , converting the ferrous iron within its composition into ferric iron. (wisegeek.com)
  • Therefore, advanced oxidation processes are considered as an alternative or an additional step to conventional wastewater treatment plants, in order to enable the degradation of resistant organic compounds. (mdpi.com)
  • The concept of "advanced oxidation processes" was defined by Glaze and co-workers in 1987 as the processes involving the in-situ generation of highly reactive species, able to attack and degrade organic substances [ 5 ]. (mdpi.com)
  • All mentioned mineral forms are connected with oxidation zones of iron-bearing ore beds (pyrite, marcasite, chalcopyrite, etc.) and related environments (like coal fire sites). (wikipedia.org)
  • Oxidation of the carbonate variety can be retarded by wetting the material with hydroxyl-containing compounds such as glicerol or glucose, even though they do not penetrate the structure. (wikipedia.org)
  • These soils contain iron sulfide minerals (predominantly as the mineral pyrite) or their oxidation products. (wikipedia.org)
  • Metals
  • In other non-industrial sectors, ferric sulphate is also used to remove natural organic matter in water, such as bacteria, arsenic , and heavy metals. (wisegeek.com)
  • The present invention relates to new compounds, to their production and to their use in the treatment of aqueous systems, in particular to inhibit scale deposition from the aqueous system and/or to prevent fouling of the aqueous system and/or to inhibit corrosion of metals in contact with the aqueous system. (google.es)
  • We have now found that certain new compounds which, unexpectedly, have superior activity in the inhibition of scale deposition from aqueous systems and additionally have superior activity in the control of corrosion of metals in contact with aqueous systems. (google.es)
  • Release of this sulfuric acid from the soil can in turn release iron, aluminium, and other heavy metals (particularly arsenic) within the soil. (wikipedia.org)
  • Ferrous metals are commonly anodized electrolytically in nitric acid or by treatment with red fuming nitric acid to form hard black ferric oxide. (wikipedia.org)
  • The major metals such as iron, lead and tin are commonplace. (wikipedia.org)
  • citation needed] Recycling of the aluminum, ferrous metals, copper fractions, gold, palladium and platinum in mobile phones and computers had got under way by the mid-2000s. (wikipedia.org)
  • Acid
  • Ferric sulphate is supplied as a reddish brown liquid manufactured from mined magnetic iron ore, virgin sulfuric acid, liquid oxygen, and water. (wisegeek.com)
  • In Ferric Sulphate, there is no Ferrous (Iron) and No Acid, how does this product harm? (wisegeek.com)
  • In chemistry, an ester is a chemical compound derived from an acid (organic or inorganic) in which at least one -OH (hydroxyl) group is replaced by an -O-alkyl group. (danishtrust.co.in)
  • The device operates by allowing the activating composiiton, e.g. an organic acid such as citric acid, to diffuse through the increasingly thicker composite matrix to continuously contact the indicating composition, e.g. an acid-base dye indicator such as 2,2',4,4',4",-pentamethoxy triphenylmethanol, to produce a visually observable color change at the temperature being monitored. (google.com)
  • In its simplest form, this chemical reaction is as follows: 2 FeS2 + 9 O2 + 4 H2O → 8 H+ + 4 SO42− + 2 Fe(OH)3 (solid) The product Fe(OH)3, iron(III) hydroxide (orange), precipitates as a solid, insoluble mineral by which the alkalinity component is immobilized, while the acidity remains active in the sulfuric acid. (wikipedia.org)
  • Flushing of acidic leachate to groundwater and surface waters can cause a number of impacts, including: Ecological damage to aquatic and riparian ecosystems through fish kills, increased fish disease outbreaks, dominance of acid-tolerant species, precipitation of iron, etc. (wikipedia.org)
  • The phosphoric acid processes are the most recent major development, so far only used as pretreatments for adhesives or organic paints. (wikipedia.org)
  • rust
  • Green rust was first recognized as a corrosion crust on iron and steel surfaces. (wikipedia.org)
  • The crystal structure of green rust can be understood as the result of inserting the foreign anions and water molecules between brucite-like layers of iron(II) hydroxide, Fe(OH)2. (wikipedia.org)
  • In the green rust, some Fe2+ cations get oxidized to Fe3+ (iron(III), ferric). (wikipedia.org)
  • They are believed to be intermediates in the oxidative corrosion of iron to form iron(III) oxyhydroxides (ordinary brown rust). (wikipedia.org)
  • The green rust may be formed either directly from metallic iron or from iron(II) hydroxide Fe(OH)2 and. (wikipedia.org)
  • Though Earth's crust is also oxidized, with most of the iron in the form of rust in the Banded iron formations, it is not nearly as oxidized as Mars, which contains chlorides, sulfides, and no hydrogen peroxide. (wikipedia.org)
  • copper
  • The corrosion resistance of aluminum alloys is significantly decreased by certain alloying elements or impurities: copper, iron, and silicon, so 2000-, 4000-, and 6000-series Al alloys tend to be most susceptible. (wikipedia.org)
  • formula
  • 5. Method of treating an aqueous system comprising adding to the system a compound of formula I as defined in claim 1. (google.es)
  • 6. Method according to claim 5 wherein the system is treated to provide a corrosion-inhibiting treatment, or a corrosion-inhibiting with simultaneous scale-inhibiting treatments, and the compound of formula I is added in amount of from 0.1 to 50,000 ppm by weight, based on the weight of the aqueous system. (google.es)
  • 7. Method according to claim 6 wherein the compound of formula I is added in amount of 1 to 500 ppm by weight, based on the aqueous system. (google.es)
  • 8. Method according to claim 5 wherein the system is treated to provide solely an anti-scale treatment and the compound of formula I is added in amount of 1 to 200 ppm by weight, based on the aqueous system. (google.es)
  • Breast milk contains less iron than formula, because it is more bioavailable as lactoferrin, which carries more safety for mothers and children than ferrous sulphate. (wikipedia.org)
  • mainly
  • Chemical impact on organic soils and building materials are mainly microorganisms: bacteria, actinomycetes, micromycetes, microalgae, lichens. (testmyprep.com)
  • bacteria
  • The microorganisms are most active in organic and organic mineral soils, and in the near-surface layer ammonifying bacterium-aeorobes, spore bacteria, bacteria, digesting mineral forms of nitrogen with an organic carbon source, actinomycetes, nitrifying bacteria, oligonitrophils, mold fungi, denitrifying bacteria. (testmyprep.com)
  • Ammonifying bacteria predominate, which begin the decomposition process of organic nitrogen, oligonitrophilic and assimilate mineral nitrogen at an organic carbon source. (testmyprep.com)
  • Neporobrazuyuschie ammonifying bacteria participate in the destruction of available forms of organic matter in peat, spore-forming enter the process at later stages. (testmyprep.com)
  • Up to a point, warmer temperatures are more favourable conditions for these bacteria, creating a greater potential for formation of iron sulfides. (wikipedia.org)
  • Oxide
  • Since the amalgam destroys the aluminium oxide layer which protects metallic aluminium from oxidizing in-depth (as in iron rusting), even small amounts of mercury can seriously corrode aluminium. (wikipedia.org)
  • nitrogen
  • 19. A serum free media for mammalian cell culture comprising a nitrogen heterocycle and a non-protein-bound iron source, wherein the nitrogen heterocycle is present in an effective amount to enhance the iron uptake of the cells cultured therein compared to cells not contacted with the nitrogen heterocycle. (patentsencyclopedia.com)
  • chemicals
  • The industry is broadly segmented into four major categories-Inorganic Chemicals, Organic Chemicals, petrochemicals based specialities, and agro oriented chemicals. (niir.org)
  • Water pollution by recalcitrant organic compounds is an increasingly important problem due to the continuous introduction of new chemicals into the environment. (mdpi.com)
  • sodium
  • Sodium amalgam is a common reducing agent in organic synthesis, and is also used in high-pressure sodium lamps. (wikipedia.org)
  • less
  • With a pH of less than two, this compound is highly corrosive and should not be touched with bare skin. (wisegeek.com)
  • It is a reducing agent, and as such is useful for the reduction of chromate in cement to less toxic Cr(III) compounds. (wikipedia.org)
  • water
  • The compound can be fed straight into water systems , however, or blended with organic polyelectrolytes. (wisegeek.com)
  • The many applications of this compound in the industrial sector include dyeing, coagulation for pigments or industrial wastes, potable drinking water production, municipal and industrial wastewater treatment, and sludge conditioning. (wisegeek.com)
  • But doesn't the application of ferric sulphate will give rise the color problem in the water? (wisegeek.com)
  • The recalcitrant organic compounds are well known as emerging contaminants-such as pharmaceuticals, pesticides, endocrine disruptors, and personal care products-and recent studies have showed that they are widely detected in water bodies [ 1 , 2 , 3 ]. (mdpi.com)
  • All the iron(II) sulfates dissolve in water to give the same aquo complex [Fe(H2O)+, which has octahedral molecular geometry and is paramagnetic. (wikipedia.org)
  • inorganic
  • Tobacco substitute based smoking mixture containing a minimum amount of organic combustible material and a maximum amount of harmless inorganic filler, the composition of the filler having been selected so as to impart a commercially acceptable burning rate to the mixture. (google.com)
  • Primary Examiner-Melvin D. Rein Attorney, Agent, or F irmCushman, Darby & Cushman [5 ABSTRACT Tobacco substitute based smoking mixture containing a minimum amount of organic combustible material and a maximum amount of harmless inorganic filler, the composition of the filler having been selected so as to impart a commercially acceptable burning rate to the mixture. (google.com)
  • In chemistry, an ester is a chemical compound derived from an acid (organic or inorganic) in which at least one -OH (hydroxyl) group is replaced by an -O-alkyl group. (danishtrust.co.in)
  • Handbook of Infrared and Raman Spectra of Inorganic Compounds and Organic Salts: Infrared Spectra of Inorganic Compounds. (wikipedia.org)
  • Flakes
  • The - electrodes are pure Iron (Fe) flakes also pounded into cylindrical tubes and pressed onto flat plates. (solar-electric.com)
  • Carbon flakes or nodules in iron or steel with high carbon content (high-carbon steel, cast iron) may cause an electrolytic potential and interfere with coating or plating. (wikipedia.org)
  • oxide
  • If anyone ever added acid, or if the cells were drained and sat empty, the iron turns to iron oxide and then they are useless. (solar-electric.com)
  • To combat this, various techniques have been developed either to reduce the number of fissures, to insert more chemically stable compounds into the oxide, or both. (wikipedia.org)
  • Since the amalgam destroys the aluminium oxide layer which protects metallic aluminium from oxidizing in-depth (as in iron rusting), even small amounts of mercury can seriously corrode aluminium. (wikipedia.org)
  • insoluble
  • In its simplest form, this chemical reaction is as follows: 2 FeS2 + 9 O2 + 4 H2O → 8 H+ + 4 SO42− + 2 Fe(OH)3 (solid) The product Fe(OH)3, iron(III) hydroxide (orange), precipitates as a solid, insoluble mineral by which the alkalinity component is immobilized, while the acidity remains active in the sulfuric acid. (wikipedia.org)
  • rust
  • Though Earth's crust is also oxidized, with most of the iron in the form of rust in the Banded iron formations, it is not nearly as oxidized as Mars, which contains chlorides, sulfides, and no hydrogen peroxide. (wikipedia.org)
  • Green rust was first recognized as a corrosion crust on iron and steel surfaces. (wikipedia.org)
  • The crystal structure of green rust can be understood as the result of inserting the foreign anions and water molecules between brucite-like layers of iron(II) hydroxide, Fe(OH)2. (wikipedia.org)
  • Green rust compounds were identified in green corrosion crusts that form on iron and steel surfaces, in alternating aerobic and anaerobic conditions, by water containing anions such as chloride, sulfate, carbonate, or bicarbonate. (wikipedia.org)
  • They are believed to be intermediates in the oxidative corrosion of iron to form iron(III) oxyhydroxides (ordinary brown rust). (wikipedia.org)
  • The green rust may be formed either directly from metallic iron or from iron(II) hydroxide Fe(OH)2 and. (wikipedia.org)
  • acid
  • At our sound processing unit, we process this acid using high quality compounds, sourced from trusted vendors. (alphachemikaindia.com)
  • Flushing of acidic leachate to groundwater and surface waters can cause a number of impacts, including: Ecological damage to aquatic and riparian ecosystems through fish kills, increased fish disease outbreaks, dominance of acid-tolerant species, precipitation of iron, etc. (wikipedia.org)
  • The phosphoric acid processes are the most recent major development, so far only used as pretreatments for adhesives or organic paints. (wikipedia.org)
  • copper
  • The corrosion resistance of aluminum alloys is significantly decreased by certain alloying elements or impurities: copper, iron, and silicon, so 2000-, 4000-, and 6000-series Al alloys tend to be most susceptible. (wikipedia.org)
  • aluminum
  • intermetallic compounds of antimony such as aluminum antimonide, gallium antimonide, and indium antimonide are used for thermoelectric devices such as infrared detectors and diodes. (factbites.com)
  • oxidation
  • All mentioned mineral forms are connected with oxidation zones of iron-bearing ore beds (pyrite, marcasite, chalcopyrite, etc.) and related environments (like coal fire sites). (wikipedia.org)
  • Oxidation of the carbonate variety can be retarded by wetting the material with hydroxyl-containing compounds such as glicerol or glucose, even though they do not penetrate the structure. (wikipedia.org)
  • hydroxide
  • He did make some notable improvements on the original invention though, and the use of Nickel Oxyhydroxide at the key active compound on the Positive electrode increased cell capacity and cell voltage over the use of straight Nickel Hydroxide. (solar-electric.com)
  • where A and B are planes of hydroxide ions, and c those of Fe2+ (iron(II), ferrous) cations. (wikipedia.org)
  • bacteria
  • Up to a point, warmer temperatures are more favourable conditions for these bacteria, creating a greater potential for formation of iron sulfides. (wikipedia.org)
  • Sodium
  • Sodium amalgam is a common reducing agent in organic synthesis, and is also used in high-pressure sodium lamps. (wikipedia.org)
  • metal
  • Especially preferred are the organic titanates such as tetra-butyl titanate, tetraiospropyl titanate and tetra-octyl titanate and the complex titanates derived from alkali or alkaline earth metal alkoxides and titanate esters, most preferably the organic titanates. (factbites.com)
  • Understanding Coke Making in Byproduct Coke Oven Battery Coke is one of the basic materials used in blast furnaces for the conversion of iron ore into hot metal (liquid iron), most of which is subsequently processed into steel. (danishtrust.co.in)
  • material
  • An object of the present invention is to provide a smoking composition which is suitable for aerosoling flavours and drugs but which contains a minimum amount of combustible organic material or smokeproducing fuel which on burning inevitably gives rise to some harmful products. (google.com)
  • form
  • The hydrated form is used medically to treat iron deficiency, and also for industrial applications. (wikipedia.org)
  • agent
  • It is a reducing agent, and as such is useful for the reduction of chromate in cement to less toxic Cr(III) compounds. (wikipedia.org)
  • complex
  • All the iron(II) sulfates dissolve in water to give the same aquo complex [Fe(H2O)+, which has octahedral molecular geometry and is paramagnetic. (wikipedia.org)
  • less
  • Breast milk contains less iron than formula, because it is more bioavailable as lactoferrin, which carries more safety for mothers and children than ferrous sulphate. (wikipedia.org)
  • contains
  • it tastes of iron but is not astringent.pilulce ferri lodidi (u.), each contains 0.04 g. inhibition of apomorphine-induced yawning and penile erection by neurotensin. (raydesignworld.com)