Cufes2 roasting
WebThe first step in the extraction of Cu from copper pyrites is____ A Reduction by carbon B Electrolysis of ore C Roasting of ore in O 2 D Magnetic separation Medium Solution Verified by Toppr Correct option is C) Was this answer helpful? 0 0 Similar questions A very thin copper plate is electro-plated with gold using gold chloride in HCl. WebNov 21, 2024 · ton of concentrate i) amount of minerals and gangue ii) volume of air supplied for roasting at STP. iii) Volume and composition of the evolved gas (flue) after roasting [atomic weight of Cu=64, Fe= 56, S=32, O=16, N=14] Expert's answer (i)Let \omega ω (CuFeS 2 )=c and \omega ω (FeS 2 )=f c*64/ (64+56+32*2) = 0.06
Cufes2 roasting
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WebChalcopyrite is a copper iron sulfide mineral that crystallizes in the tetragonal system. It has the chemical composition CuFeS2. 2CuFeS2 + O2 → Cu2S + 2FeS + SO2↑. 2Cu2S + … WebThe oxidation number of Cu is +1 and Fe is +3 in CuFeS2 is +2. It can be explained as follows. CuFeS2= Cu+ Fe+ 2S. (+1)+ (+3)+2 (-2)=0. This can be understood from the …
WebApr 4, 2024 · Complete Step by Step answer: The ore is partially roasted because the Sulphur takes the impurities as gases and to react with remaining ore to get Copper metal undergoing auto-reduction. C u 2 S. F e 2 S 3 + O 2 → C u 2 S + 2 F e S + S O 2 C u 2 S + 3 O 2 → C u 2 O + 2 S O 2 WebMay 1, 2011 · This work presents the results of investigation process of copper concentrate roasting in fluidized bed reactor with the aim of studying the transformations of copper concentrate minerals as well...
WebA certain mine produces 2.0 × 108 kg of copper from chalcopyrite (CuFeS2) each year. The ore contains only 0.80 percent Cu by mass. (a) If the density of the ore is 2.8 g/cm3, calculate the volume (in cm3) of ore removed each year. (b) Calculate the mass (in kg) of SO2 produced by roasting (assume chalcopyrite to be the only source of sulfur). WebThe oxidation number of Cu is +1 and Fe is +3 in CuFeS2 is +2. It can be explained as follows. CuFeS2= Cu+ Fe+ 2S. (+1)+ (+3)+2 (-2)=0. This can be understood from the evidence that CuFeS2 is giving Cu2S with copper oxidation state +1 …
WebJun 7, 2024 · In the CuFeS 2, you would have to know that the copper and iron are both in oxidation state +2, for example. You would also have to know that the oxidation state of …
WebCuFeS2 ROAST OFFGAS..... 37. 1. I. INTRODUCTION AND LITERATURE SURVEY There have been a number of types of reactors developed for the study of gas-solid reactions and for the commercial application of those reactions. Unfortunately no single reactor type can be used for all types of reactions. Each reactor still has a number of … dating based on horoscopWebAug 26, 2024 · Chalcopyrite (CuFeS 2) is commonly used ore in production of copper, but leaching of this ore is very slow and inefficient due to “passivation” during leaching at atmospheric conditions. dating bathurstWebChalcopyrite, CuFeS 2, is an important source of copper. A typical chalcopyrite ore contains about 0.75% Cu. What volume of sulfur dioxide at 25°C and 1.00 atm pressure is produced when one boxcar load (4.00 × 10 3 ft 3) of chalcopyrite ore ( d = 2.6 g/cm 3) is roasted? dating basics for womenWebApr 30, 1992 · Therefore, all the roasting reactions of CuFeS2 with NH4C1 were performed with slow heating rates (0.1 C min~1) above 150 C, up to the maximum temperature of … bjs in brea californiaWebExhaust gases formed as a result of combustion process are mixed with the product gas of the roasting reaction and discharged as flue gases. Sulfur is exhausted as sulfur dioxide … bjsinbroussard.comWebMar 28, 2024 · Coffee roasting includes a number of chemical transformations that contribute to the flavor, aroma, and body of your finished cup. Many of these reactions … dating bagels and coffeeWebScienceChemistryChalcopyrite (CuFeS2), is an important source of copper. A tyYpical chalcopyrite ore contains about 0.75% Cu. What volume of sulfur dioxide at 25°C and 1 atm pressure is produced when one boxcar load ( 4 x 10^3 cu.ft) of chalcopyrite ore (density = 2.6 g/cu.cm) is roasted? Assume all the sulfur in dating based on personality