Method Of Producing Ferrous Sulphate
US7097816B2 - Method of producing ferrous sulfate ...
In a method of producing ferrous sulfate heptahydrate, ferrous sulfate monohydrate is converted in a crystallization reactor in the presence of water into ferrous sulfate heptahydrate as crystallized product, and water is subsequently isolated from the ferrous sulfate heptahydrate. Ferrous sulfate monohydrate is obtained from a pickling solution containing ferrous chloride, hydrochloric acid ...
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US20050281732A1 - Method of producing ferrous sulfate ...
In a method of producing ferrous sulfate heptahydrate, ferrous sulfate monohydrate is converted in a crystallization reactor in the presence of water into ferrous sulfate heptahydrate as crystallized product, and water is subsequently isolated from the ferrous sulfate heptahydrate. Ferrous sulfate monohydrate is obtained from a pickling solution containing ferrous chloride, hydrochloric acid ...
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WO2010125205A1 - Method for producing ferrous
The subject matter of the present invention relates to the production of a solution of ferrous sulphate, in aqueous acid medium the raw material being the ash obtained in the production of sulphuric acid by means of roasting of pyrites. The iron sulphate solution is reduced to convert all the ions to the ferrous form, using scrap iron.
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WO2010125205A1 - Method for producing ferrous sulphate ...
The subject matter of the present invention relates to the production of a solution of ferrous sulphate, in aqueous acid medium the raw material being the ash obtained in the production of sulphuric acid by means of roasting of pyrites. The iron sulphate solution is reduced to convert all the ions to the ferrous form, using scrap iron.
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US Patent for Method of producing ferrous sulfate ...
Jul 23, 2004 In a method of producing ferrous sulfate heptahydrate, ferrous sulfate monohydrate is converted in a crystallization reactor in the presence of water into ferrous sulfate heptahydrate as crystallized product, and water is subsequently isolated from the ferrous sulfate heptahydrate. Ferrous sulfate monohydrate is obtained from a pickling solution containing ferrous chloride, hydrochloric acid ...
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The preparation and characterization of ferrous sulphate ...
Abstract. Ferrous sulphate BP, FeSO4,7H2O, dehydrates to form FeSO4,4H2O when the relative humidity (RH) is less than 65%, or on heating at 40 degrees C. The tetrahydrate was also prepared by recrystallization at 60 degrees C from aqeuous solutions of the sulphate. Commercial dried ferrous sulphate BP is FeSO4,H2O but the method of preparation ...
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US2880062A - Production of ferrous sulfate - Google Patents
US2880062A US634585A US63458557A US2880062A US 2880062 A US2880062 A US 2880062A US 634585 A US634585 A US 634585A US 63458557 A US63458557 A US 63458557A US 2880062 A US2880062 A US 2880062A Authority US United States Prior art keywords ore solution acid feeding hydrochloric acid Prior art date 1957-01-16 Legal status (The legal status is an assumption and is not
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CN1110665A - Production of ferrous sulfate monohydrate ...
The process features that under a certain condition, FeSO4.7H2O is forced to dewater sulfuric acid solution as dewatering agent to generate FeSO4.H2O. If sulfuric acid and iron or iron-containing material are used to produce FeSO4.H2O, the sulfuric must be first used as liquid-phase dewatering agent of FeSO4.7H2O and then takes part in reaction on iron or iron-containing material to generate ...
MoreCN1519205A - Method for preparing ferrous sulphate ...
A process for preparing ferrous sulfate includes such steps as reaction between waste dregs containing 3-valence Fe and sulfuric acid at 80-130 deg.C to obtain acidic solution of iron sulfate, adding troilite or sulfur ore concentrate to obtain ferrous sulfate solution, cooling to -10-20 deg.c for crystallizing, filtering, centrifugal drying and baking to obtain FeSO4.7H2O.
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JPH11322342A - Production of ferrous sulfate monohydrate ...
PROBLEM TO BE SOLVED: To provide a production process for ferrous sulfate monohydrate from iron ore and sulfuric acid that is suitable as a catalyst for hydrogenolysis of heavy hydrocarbon for such as coal liquefaction and hydrogenolysis of heavy oil, or as a starting substance for catalysts. SOLUTION: This process comprises the first step to treat iron ore with 70 wt.% or higher sulfuric acid ...
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Ferrous Sulphate-Analysis, Applications, Process, Patent ...
Ferrous sulphate, a waste product in titanium white production at the Chemical Plant, was subjected to microbiological oxidation with Thiobacillus ferrooxidans bacteria. Ferrous sulfate is sometimes added to the cooling water flowing through the brass tubes of a turbine condenser.
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Ferrous sulfate: Uses, Interactions, Mechanism of Action ...
Ferrous sulfate is an iron supplement used to prevent or treat iron ... The main role of transferrin is the chelation of iron to prevent the production of reactive oxygen ... Effects of a single dose of oral iron on hepcidin concentrations in human urine and serum analyzed by a robust LC-MS/MS method. Clin Chim Acta. 2011 Nov 20;412(23-24):2241 ...
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Ferrous sulfate - Dissertation
Fenton Iron Mud Preparation of Ferrous Sulfate and Polymeric Ferric Sulfate and Its Application Research, ZhangJuan/Guangxi University,0/6; Study on Methods of Removing Chlorite-Chlorine Dioxide Disinfection by-Production in Drinking Water, JiangDanDan/Nanjing University of Technology and Engineering,0/115
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US4264570A - Method of producing magnesium sulphate ...
A method of producing magnesium sulphate comprises the steps of interacting ferrous sulphate with compounds including magnesium carbonates, oxides and hydroxides, with magnesium sulphate being produced. The step of interacting the starting reagents is conducted in water medium in the presence of carbon dioxide and is effected in the range of temperatures of 80° to 100° C.
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Production of iron sulphate - Keyes, Harmon E.
A method of producing ferric sulphate comprising establishing a body of ferrous sulphate solution, separately and simultaneously introducing a mixture of gases containing S02 and finely divided air into the solution said mixture of gases containing SO2 being introduced directly into the zone of fine' air dispersion in the solution; and ...
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preparation of ferrous sulphate
Feb 04, 2021 Preparation method of iron oxide. The ferrous sulphate is then oxidized by air toiron oxide red to deposit, thus circulating to the end of the process to produce iron oxide red. 2, Dry method Nitric acid reacts with the iron scrap to form ferrous nitrate, cooling, crystallizing, dehydrating, grinding and calcining at 600-700 DEG C for 8-10 hours, and obtaining iron oxide red
MoreProduction of ferrous sulphate monohydrate - Dexter, Edge
The continuous method of producing ferrous sulphate monohg rate-from -pickle-liquor which includes Itin the pickle liquor to above approximately 290° F. while maintaining the liquor at a pressure sufficient to prevent formation of steam, directing flow of the heated pickle liquor into an enlarged pressure vessel so as to reduce the velocity of ...
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PROCESS FOR PRODUCING FERROUS SULFATE - M T
Accordingly, and as will be apparent from the foregoing, there is provided in accordance herewith, a method for producing pure ferrous sulfate monohydrate directly from the reaction of iron and sulfuric acid in the absence of any production of the undesirable intermediate ferrous sulfate heptahydrate. In addition, the process, in accordance ...
MoreMethod of Producing Ferrous Sulfate Heptahydrate ...
Method of Producing Ferrous Sulfate Heptahydrate - Free download as PDF File (.pdf), Text File (.txt) or read online for free. In a method of producing ferrous sulfate heptahydrate, ferrous sulfate monohydrate is converted in a crystallization reactor in the presence of Water into ferrous sulfate hep tahydrate as crystallized product, and Water is subsequently isolated from the ferrous sulfate ...
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Ferrous sulfate FeO4S - PubChem
Ferrous sulfate appears as a greenish or yellow-brown crystalline solid. Density 15.0 lb /gal. Melts at 64°C and loses the seven waters of hydration at 90°C. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment.
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FERROUS SULFATE
METHOD OF ASSAY Dissolve about 1 g of the sample, accurately weighed, in a mixture of 25 ml of 2 N sulfuric acid and 25 ml of recently boiled and cooled water, add orthophenanthroline TS, and immediately titrate with 0.1 N ceric sulfate. Perform a blank determination, and make any necessary correction. Each
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Preparation of Ferrous Sulphate - Labmonk
Ferrous sulphate is otherwise known as “green vitriol” and used as a reducing agent in chemistry. For the preparation with sulphuric acid the very first step is to determine the amount of rmpurty as sulphuric acid tolerable by the crystals which may result in chemical burns on touching if the amount of sulphuric acid content will be higher.
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Method of Analysis Ferrous Sulfate Monohydrate - Rech ...
Nov 29, 2016 Rech Chemical Co. LTD are happy to share the method of analysis of ferrous sulfate monohydrate as follow: Weight out 1g of Ferrous Sulphate Monohydrate and dissolve into 250ml Conical flask with 100 ml distilled water.Add50 ml of Zimmermann Reinhardt Solution then titrate with Standard Potassium Permanganate Solution until the pink Color persists. ...
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Ferrous Sulfate Treatment - Corrosion Resistance - Copper ...
Ferrous Sulfate Treatment. Ferrous sulfate treatments are not absolutely essential to the successful performance of copper-nickel but can be viewed as a remedy when trouble has occurred or as a precaution if trouble is likely. Most ships in service have operated successfully without any ferrous sulfate dosing. Ferrous sulfate treatment has been found to suppress corrosion rates of copper ...
MoreFerrous sulfate - Dissertation
Fenton Iron Mud Preparation of Ferrous Sulfate and Polymeric Ferric Sulfate and Its Application Research, ZhangJuan/Guangxi University,0/6; Study on Methods of Removing Chlorite-Chlorine Dioxide Disinfection by-Production in Drinking Water, JiangDanDan/Nanjing University of Technology and Engineering,0/115
MoreIron(II) sulfate - Wikipedia
Iron(II) sulfate (British English: iron(II) sulphate) or ferrous sulfate denotes a range of salts with the formula Fe SO 4 xH 2 O. These compounds exist most commonly as the heptahydrate (x = 7) but are known for several values of x.The hydrated form is used medically to treat iron deficiency, and also for industrial applications.Known since ancient times as copperas and as green vitriol ...
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Ferrous sulphate oral solution, paediatric, BP
Nov 28, 2011 Ferrous sulphate oral solution is an iron supplement, which is formulated for children. Iron plays a vital role in production of haemoglobin, which
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Process for the production of storable, free-flowing ...
The spin-dry ferrous sulfate heptahydrate (ratio by weight of ferrous sulfate to water approximately 1.0) obtained in the production of titanium dioxide by the sulfate process is used as a precipitant and flocculant in sewage treatment plants or as a raw material in the production of iron oxide pigments.
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TREATMENT BLENDS FOR REMOVING METALS FROM WASTEWATER ...
A method of producing the pretreatment blend of claim 9, comprising: adding water to a mixing tank; mixing the ferrous sulfate heptahydrate into the water and allowing a mixture to take place; adding aluminum sulfate into the mixture and allowing a mixture with aluminum sulfate to take place; adding about 85% phosphoric acid into the mixture ...
MoreMethod of fixing sulphur dioxide as sulphuric acid and ...
The method of producing a solution containing ferric sulphate and sulphuric acid which comprises passing a ferrous sulphate-containing solution in disseminated form through an atmosphere of sulphur dioxide-containing gases under pressure conditions in such atmosphere substantially the same as those of, atmospheric air, thereby absorbing sulphur ...
MoreAqueous solution containing a new ferric ferrous salt Fe2 ...
A method of producing said Fe 2 Cl 5 comprises dissolving ferric chloride into aqueous solution of sodium hydroxide and then neutralizing said resulting aqueous solution by hydrochloric acid or dissolving ferrous sulfate into aqueous solution of hydrochloric acid, and a method of producing said aqueous mixture comprises adding said Fe 2 Cl 5 ...
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