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06/03/2020 . Page . 1. of . 11. Liquid Chromatography-Electrospray Ionization-High Resolution Mass Spectrometry LC-ESI-HRMS Method for the Determination of Nitrosamine in Metforminread more
Coke Carbon C Used as a fuel and reacts to form carbon monoxide needed to reduce the III oxide Limestone Calcium carbonate CaCO 3 Helps to remove acidic from the by ...read more
The slag is lighter than molten and to floats on the surface of the . The formation of prevents the oxidation of . d. Zone of Reduction:-This is the most important zone and has temperature of 600-700 0 c. In this zone Fe 2 O 3 is reduced to by co in three steps. 3Fe 2 O 3 + CO → 2Fe 3 O 4 + CO 2read more
Wrought - definition Wrought is the purest form of commercial . It is prepared from cast by decreasing the carbon content and oxidising the in a reverberatory furnace lined inside with haematite. Wrought is ductile, soft and malleable.read more
· Wrought iron is the pure form of iron and contains impurities.The cast iron obtained above contains about 2.5-5% carbon and other impurities such as S, P, Si and Mn. In order to convert cast iron into wrought iron, the percentage of carbon …read more
A The limestone decomposes and the products of that reaction convert into slag. B The limestone decomposes an exothermic reaction which heats up the furnace. C The limestone reduces the ore to . D The limestone contributes to the overall yield as it contains metal . E The limestone provides a source of oxygen needed to react with coke.read more
Examples of that are successfully removed via ion exchange include , antimony and bismuth from copper electrolyte. In the copper electrolysis process, antimony, bismuth and arsenic tend to form slimes which are dispersed in the electrolyte. These slimes contaminate the cathode and/or decrease the quality of the copper deposition.read more
The formed in the blast furnace is usually allowed to cool in shallow trays called casts. For this reason, this type of is called cast or pig , and contains such as carbon, phosphorous and sulphur. Because of its , it is very brittle and is usually converted to steel.read more
· The and stripping isotherms for zinc and the main , III, were obtained. In particular, it was shown that: − in the presence of alkyl phenols and monocarboxylic acids, the zinc/ III separation factors markedly increased as compared to that for the amines alone.read more
The blast furnace. ... The calcium oxide then reacts with silica sand in the haematite, to produce slag - which is calcium silicate.read more
During the leaching of roasted nodules from Indian Ocean the species of iron, manganese and zinc along with valuable metals such as and Co enter the ammoniacal solution. Even after the purification step, the metal impurities in small amounts remained in the leach solution.read more
The Carbon dioxide released is re-used in Step 2, whereas the lime reacs with the sand to form molten slag, also known as Calcium silicate. Slag is run off to the bottom of the furnace. The molten slag, being less dense than floats on top of it and can be tapped off at intervals.read more
Removal of impurities In Step 1, CaO was produced which will now be used in this step for removal of impurities from the ore. CaO + SiO2 ===== CaSiO3 calcium silicate Lighter slag is removed from the top of the molten iron from the bottom of the furnace. 2. Extraction of Steel Steel is an alloy of iron and carbon or other metals.read more
· Magnetite and hematite are oxides however, the of from an oxide involves a series of steps that begins when mined ore is crushed into smaller pieces by a crusher and then washed. The second step in the process is calcination or roasting of the ore, which removes certain , carbon dioxide and other ...read more
The ironorecontains impurities, mainly Limestonecalciumcarbonate is added to theironore. which reacts with thesilicato form molten calciumsilicate. in the blastfurnace. The calciumsilicatecalled slag floatson the liquidiron.read more
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