hot metal desulphurisation process

1 Introduction. Hot metal desulfurization serves as the main unit process for removing sulfur in blast-furnace-based steelmaking. Hot metal desulfurization is commonly conducted in a ladle or a torpedo car, 1 using a desulfurization reagent that is either injected into the metal bath or added on top of it. 2 From the thermodynamic point of view, the fundamental requirement for the ...

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Best Sulfur Water Filter for Well Water (Find Your Removal ...

It has a decorative and durable stainless-steel tank, can remove sulfur from water in homes with up to 4 bathrooms, and it offers the convenience of being a maintenance-free well water treatment system. Main Features & Benefits. Sulfur Treatment Method: This sulfur lowering system works based on what is known as continuous injection technology.

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12.5 Iron And Steel Production

The production of steel in an EAF is a batch process. Cycles, or "heats", range from about 1-1/2 to 5 hours to produce carbon steel and from 5 to 10 hours or more to produce alloy steel. Scrap steel is charged to begin a cycle, and alloying agents and slag materials are added for refining. Stages

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Whole House Water Filter For Iron And Sulfur - obiavata.com

Whole house water filters removing iron, sulfur and manganese iron is the most prolific metal in the earth's crust and therefore one of the most commonly seen contaminants by well owners. The natural element is notorious for making its way into your water from rock formations in the ground or seeps into aquifers after being dissolved in heavy.

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REMOVAL OF SULFUR AND PHOSPHOROUS FROM IRON ORE ...

ore concentrate to remove sulfur by leaching technique. Technically, chemicals are used to react with the sulfur bearing minerals in the iron ore to convert them into a soluble fraction, resulting in an easy separation from the insoluble solid phase. Since the amount of the iron ore concentrates, which must be treated, is massive, the process

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How To Treat Sulfur Odors In Well Water - Water Smells ...

H2S dissolved in water can corrode plumbing metals, such as iron, steel, copper, and brass, and exposed metal parts in washing machines and other water-using appliances. The corrosion of iron and steel from hydrogen sulfide forms ferrous sulfide or "black water" which can darken silverware and discolor copper and brass utensils.

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Utilization of the Uncoated Steel Wool for the Removal of ...

sulfur oxides upon combustion. It is an environmental hazard and can ... The regenerated steel wool as an adsorbent for removing hydrogen sulfide from the biogas is effective, During the first stage outlet, recorded H 2 S concentration of around zero (0) ppm is achieved.

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Sulfur Removal, ZnO Catalyst, Iron Oxide Desulfurizer ...

Metal oxide promoted zeolite are widely used in sulfur removal, especially the mercaptan. CuX type catalyst is Cu promoted zeolite which use 13X molecular sieves as carrier and has been used to remove mercaptan from aviation kerosene. CUX-10, CuO Based Sulfur Adsorbent, Dia.3-5mm, Form: Spheres. It is for the removal of the mercaptan from ...

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Cleaning method for removing sulfur containing deposits ...

Process for removing hard to remove deposits in coke oven gas lines containing elemental sulfur and multivalent compounds from a metal surface comprising (1) contacting said deposits by spraying with a cleaning composition for a time period of between about 4 and about 10 hours, said composition comprising (a) a major portion of aliphatic amine ...

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Removal sulfur components from heavy crude oil by natural ...

Therefore various metal cations were impregnated at various supports have been used as adsorbents for the desulfurization of liquid fuels, . Al hamed and Bamufleh indicated that desulfurization of model diesel oil using granular activated carbon modified with ZnCl 2 as adsorbent was effective in removing organic sulfur compounds .

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Hydrodesulfurization - Wikipedia

Hydrodesulfurization (HDS) is a catalytic chemical process widely used to remove sulfur (S) from natural gas and from refined petroleum products, such as gasoline or petrol, jet fuel, kerosene, diesel fuel, and fuel oils. The purpose of removing the sulfur, and creating products such as ultra-low-sulfur diesel, is to reduce the sulfur dioxide (SO 2) emissions that result from using those fuels ...

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Removal of Sulfur From Iron Ore with Physical and Chemical ...

these impurities on steel are ductility, impact resistance, and reduction of the resistance to corrosion. Oxygen and sulfur are also the source of non-metallic particles in steel, known as inclusion. These inclusions should be removed from steel as far as possible since they have dangerous effects on the properties of steel.

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Calcium Carbide Applications - Carbide Industries LLC

In the integrated steel mill, this practice has now been largely replaced by the use magnesium to remove an initial amount of sulfur in the transfer ladle, and the use of carbide as a steel ladle deoxidizer and slag conditioner to obtain the final sulfur specification.

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Removal of Phosphorous from Steel Produced by Melting ...

However, when using pure metal batch, the reduction in sulfur content in the arc furnace is often sufficient, and subsequent ladle treatment to remove sulfur may be scaled back or even eliminated.

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equipment - How can I clean solid sulfur and its oxides ...

Chromic acid (sulfuric acid and potassium dichromate) will remove sulfur. Pour the chromic acid into the test tube and let it sit for a couple of days, then pour it out, and with the help of a spatula, you should be able to remove the sulfur as a solid chunk. Carbon disulfide dissolves sulfur, but $ce{CS_2}$ is toxic and extremely flammable

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Desulfurizing Steel: Magnesium is the Reagent of Choice

In many applications, sulfur content control is critical, since sulfur in the form of iron sulfides (FeS) can lead to structural failure. Steel mills use a variety of materials and technologies to remove sulfur from steel, because structural steel applications demand low sulfur levels in order to achieve the highest quality structural steel ...

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Possibility of Sulfur Removal from Ladle Slag by Oxidation ...

steel is the removal of sulfur. The final sulfur removal takes place in the ladle where a synthetic slag with high affinity to sulfur is used. Sulfur is then transferred from the steel to the slag. After the ladle treatment,the slagis discarded. For some steel processes, the main impurity element in the slag after ladle treatment is sulfur.

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Sulphur removal in ironmaking and oxygen steelmaking

the metal phase and the sulphur activity in the slag phase should be as low as possible. Furthermore, it is known that an increased basicity leads to a higher sulphur capacity of the slag, which is good for desulphurisation of the metal. In steel plants the basicity is calculated based on the weight Figure 1. Block scheme of the BF-BOF ...

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Process for removing sulfur from naphtha - ExxonMobil ...

The invention claimed is: 1. A process for removing sulfur from a sulfur-containing naphtha feed comprising: (1) contacting the feed with a hydrotreating catalyst under hydrotreating conditions such that at least 50 wt. % of olefins in the feed are preserved and at least 95 wt. % of the sulfur compounds in the feed are converted to produce a hydrotreated effluent, (2) contacting the ...

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How do you remove sulfur from diesel fuel ...

After combustion, sulfur from diesel fuel creates sulfuric acid that causes caused corrosive wear on the metal surfaces of an engine. Corrosion of a surface within in a dynamic system such as the cylinder wall/liner can lead to corrosive wear; surface corrosion layers are removed through sliding or abrasion.

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Adsorption Desulfurization Over Modified Y Zeolite

Transition-metal ions are often introduced into NaY zeolites for removing the sulfur compounds from fuels to obtain ultra clean fuels with low energy consumption, easier equipment operation and non-pollution. However, the loaded transition-metal ions were washed away during the adsorptive desulfurization and regeneration of adsorbent.

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treating effluent produced when removing sulfur from ...

treating effluent produced when removing sulfur from electricity generating plant Reading time: 15 minutes. ... This is feasible but will result in sulphate and metal dilution, larger required equipment capacities and, above all increased flow of pollutants discharged (at least in kg per day). ...

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Dephosphorization - an overview | ScienceDirect Topics

Thus, the best option to remove sulfur in the hot metal is to use calcium or magnesium (in the form of oxides in the blast furnace) to form CaS or MgS. Fortunately, CaS has certain solubility in the slag, and this forms the fundamentals of sulfur removal from hot metal to slag in the blast furnace.

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Method for removing sulfur from fossil fuels - California ...

A process for removal of sulfur from fossil fuels, such as coal, lignite, peat and fuel oil. The process includes the oxidative treatment of the fuel at or about ambient temperature, followed by a wash with a dilute basic aqueous solution of a basic compound of alkali metal or alkaline earth metal at or about ambient temperature.

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How Does Stainless Steel Neutralize Smells?

The sulfur compounds bind to the steel—efficiently removing the odor from your fingers. So, next time you find your fingers and hands smelling from fish, onions or garlic, don't reach for the scented spray; grab a stainless steel knife. Take care, though, to wipe your hands on the flat side, and your limbs will be scentless in no time.

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Desulfurization of steel [SubsTech]

The most popular method of desulfurization is removal of sulfur from molten steel to the basic reducing slag. Basic slag is a slag containing mainly basic oxides: CaO, MgO, MnO, FeO. A typical basic slag consists of 35-60% CaO + MgO, 10-25% FeO, 15-30% SiO 2, 5-20% MnO. Transition of sulfur from steel to slag may be presented by the chemical equation: [S] + (CaO) = (CaS) + [O] The …

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6 Ways to Remove Sulfur and Iron From Well Water

Iron and sulfur removal from the well water does not only improve the taste and odor of water but also prevents well water from rusting the pipes, corroding silver utensils and staining laundry. Also, the health threats with the massive heavy metal intake are prevented. The best possible ways to remove these ions from well water are discussed ...

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Removing Corrosive Sulfur and Its Compounds From ...

The first is to protect metal surfaces from corrosive sulfur compounds by coating them with special lacquer. This approach does not aim to remove …

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Removal of Hydrogen Sulfide and Sulfate | UGA Cooperative ...

The synthetic gel removes as much contaminant as natural greensand, but the synthetic version requires less backwash water and also softens the water while it removes the hydrogen sulfide. If the water pH is below 6.7, increasing the pH to 7.5 to 8.3 will be beneficial for hydrogen sulfide removal.

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US4509989A - Cleaning method for removing sulfur ...

Process for removing hard to remove deposits containing elemental sulfur and multivalent compounds from a surface comprising (1) contacting the deposits with a cleaning composition comprising (a) a major portion of aliphatic amine, (b) water, and (c) an oxidizing or reducing agent, (2) allowing the cleaning composition to remain in contact with the deposits for sufficient time to allow ...

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