1. Formaldehyde can be produced by oxidation of C2H4 and the following reaction may occur. C2H4...
1. Formaldehyde can be produced by oxidation of C2H4 and the following reaction may occur. C2H4 + ½ O2 C2H4O C2H4 + 3O2 2CO2 + 2H2O The product gas analysis shows 28.57% C2H4O, 11.43% CO2, 11.43% H2O, 22.86% C2H4 and 25.71 % O2. Calculate the % conversion of C2H4 and selectivity, C2H4O / CO2. Use extent of reaction method.
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1. Formaldehyde can be produced by oxidation of C2H4 and the
following reaction may occur. C2H4...
Use extent of reaction method. Formaldehyde can be produced by oxidation of ethylene and the following...
Use extent of reaction method. Formaldehyde can be produced by oxidation of ethylene and the following reaction may occur. C2H4 + ½ O2 ® C2H4O C2H4 + 3O2 ® 2CO2 + 2H2O The product gas analysis shows 28.57% C2H4O, 11.43% CO2, 11.43% H2O, 22.86% C2H4 and 25.71 % O2. Calculate the % conversion of C2H4 and selectivity, C2H4O / CO2.
Ethylene oxide is produced by the catalytic oxidation of ethylene: C2H4 (g) + 1/2 O2 (g)...
Ethylene oxide is produced by the catalytic oxidation of ethylene: C2H4 (g) + 1/2 O2 (g) --> C2H4O (g) An undesired competing reaction is the combustion of ethylene to CO2. The feed to a reactor contains 2 mol C2H4/mol O2. The conversion and yield in the reactor are respectively 25% and 0.70 mol C2H4O produced/mol C2H4 consumed. A multiple-unit process separates the reactor outlet stream components: C2H4 and O2 are recycled to the reactor, C2H4O is sold, and CO2 and...
8) Ethylene oxide is produced by the catalytic oxidation of ethylene. C2Ha(g)+1/202(g) C2H4O(g) An undesired competing...
8) Ethylene oxide is produced by the catalytic oxidation of ethylene. C2Ha(g)+1/202(g) C2H4O(g) An undesired competing reaction is the combustion of ethylene to CO2. The feed to a reactor contains 2 mol C2H4/mol O2. The conversion in the reactor is 25% , and 0.70 mol of CaHeO is produced per mol of C2H4 consumed. A multiple- unit process is used to separate the products: C2H4 and O2 are recycled back to the reactor, C2H4O(g) is produced as a product (at...
Methane (CH4) and oxygen (O2) react to form formaldehyde (CH2O) (reaction #1), with a competing side...
Methane (CH4) and oxygen (O2) react to form formaldehyde (CH2O) (reaction #1), with a competing side reaction (#2) in which methane and oxygen form carbon dioxide (CO2): CH4(v) + O2(g) -> CH2O(v) + H2O(l) (reaction #1) CH4(v) + 2O2(g) -> CO2(g) + 2H2O(l) (reaction #2) A fresh feed of an equimolar gas mixture of CH4 and O2 is combined with a recycle stream and fed to a reactor. The single-pass conversion of CH4 is 30% and the selectivity of CH2O...
Ethylene is produced by the dehydrogenation of ethane and the following reactions took place C2H6 →...
Ethylene is produced by the dehydrogenation of ethane and the following reactions took place C2H6 → C2H4 + H2 C2H6 + H2 → 2CH) C2H4 + C2H6 → C3H6 + CH4 Using extent of reaction. Calculate the % conversion of C2H6 and % Yield of C2H4, if the product gas analysis shows 8.82 % C2H6, 38.23% C2H4, 2.94% C3H6, 14.71% CH4 and 35.30 % H2.
. (5pt) Ethylene oxide is produced by the catalytic oxidation of cthylenc C3H4 + O2 →...
. (5pt) Ethylene oxide is produced by the catalytic oxidation of cthylenc C3H4 + O2 → C2H40 An undesired competing reaction is the combustion of ethylene CO2 + H2O C2H4 + O2 The feed to the reactor contains 4 moles of ethylene per mole of oxygen, while the oxygen contains 0.4% inerts. The single pass conversion of ethylene is 15% and for every 100 moles of ethylene consumed in the reactor, 80 moles of ethylene oxide emerges in the reactor...
1. Acrylonitrile is produced by the reaction of propylene, ammonia, and oxygen C3H6 + NH3 +...
1. Acrylonitrile is produced by the reaction of propylene, ammonia, and oxygen C3H6 + NH3 + O2 C3H3N + 3H2O The feed contains 10 mole% propylene, 12% ammonia, and 78% air. A fractional conversion of 30% of the limiting reactant is achieved. Determine which reactant is limiting, the percentage by which each of the other reactants is in excess, and the molar flow rates of all product gas constituents for a 30% conversion of the limiting reactant, taking 100...
2) Consider the combustion reaction of ethylene at 25 °C and 1 bar, but in the...
2) Consider the combustion reaction of ethylene at 25 °C and 1 bar, but in the case that H20 is produced as a gas rather than a liquid: C2Halg)+3 O2(g)>2 CO2(g) + 2 H20(g) What is the standard enthalpy of the reaction? Information that may be useful for the calculation is given below (at the same temperature and pressure): C2H4(g)3 O2(g) -»2 CO2(g)+ 2 H2O(liq) AtusH(H20) 6.008 kJ mol-; AvaphH°(H2O) = 44.016 kJ mol-; AtH°(H20,g) = -241.82 kJ mol- (A)-1410.0...
1. Titanium dioxide particles are used to brighten paints. They are produced by gas-phase oxidation of...
1. Titanium dioxide particles are used to brighten paints. They are produced by gas-phase oxidation of TiCl4 vapor in a hydrocarbon flame. The dominant reaction is hydrolysis, TICI4 + 2H20 à TiO2(s) + 4HCI The reaction rate is first-order in TiCl4 and zero-order in H20. The rate constant for the reaction is: k=8X104exp-88000 J/molRgT S-1 The reaction takes place at 1200 K in a constant pressure flow reactor at 1 atm pressure (1.01 X 105 Pa). The gas composition at...
1 - Mass balance with reaction a) A certain amount of Pennsylvania coal, in a final...
1 - Mass balance
with reaction
a) A certain amount of Pennsylvania coal, in a final analysis
(by mass), has 84.36% C, 89% H2, 4.40% O2, 0.63% N2, 0.89% S and
7.83% ash (non-combustible). This coal is burned with a theoretical
amount of air. Disregarding the ash content, determine the molar
fractions of the products.
b) The antimony is obtained by heating the tibite
(Sb2S3) sprayed with iron shavings, removing
the molten antimony from the bottom of the reaction tank:...
8) Ethylene oxide is produced by the catalytic oxidation of ethylene. C2Ha(g)+1/202(g) C2H4O(g) An undesired competing reaction is the combustion of ethylene to CO2. The feed to a reactor contains 2 mol C2H4/mol O2. The conversion in the reactor is 25% , and 0.70 mol of CaHeO is produced per mol of C2H4 consumed. A multiple- unit process is used to separate the products: C2H4 and O2 are recycled back to the reactor, C2H4O(g) is produced as a product (at...
Ethylene is produced by the dehydrogenation of ethane and the following reactions took place C2H6 → C2H4 + H2 C2H6 + H2 → 2CH) C2H4 + C2H6 → C3H6 + CH4 Using extent of reaction. Calculate the % conversion of C2H6 and % Yield of C2H4, if the product gas analysis shows 8.82 % C2H6, 38.23% C2H4, 2.94% C3H6, 14.71% CH4 and 35.30 % H2.
. (5pt) Ethylene oxide is produced by the catalytic oxidation of cthylenc C3H4 + O2 → C2H40 An undesired competing reaction is the combustion of ethylene CO2 + H2O C2H4 + O2 The feed to the reactor contains 4 moles of ethylene per mole of oxygen, while the oxygen contains 0.4% inerts. The single pass conversion of ethylene is 15% and for every 100 moles of ethylene consumed in the reactor, 80 moles of ethylene oxide emerges in the reactor...
2) Consider the combustion reaction of ethylene at 25 °C and 1 bar, but in the case that H20 is produced as a gas rather than a liquid: C2Halg)+3 O2(g)>2 CO2(g) + 2 H20(g) What is the standard enthalpy of the reaction? Information that may be useful for the calculation is given below (at the same temperature and pressure): C2H4(g)3 O2(g) -»2 CO2(g)+ 2 H2O(liq) AtusH(H20) 6.008 kJ mol-; AvaphH°(H2O) = 44.016 kJ mol-; AtH°(H20,g) = -241.82 kJ mol- (A)-1410.0...
1. Titanium dioxide particles are used to brighten paints. They are produced by gas-phase oxidation of TiCl4 vapor in a hydrocarbon flame. The dominant reaction is hydrolysis, TICI4 + 2H20 à TiO2(s) + 4HCI The reaction rate is first-order in TiCl4 and zero-order in H20. The rate constant for the reaction is: k=8X104exp-88000 J/molRgT S-1 The reaction takes place at 1200 K in a constant pressure flow reactor at 1 atm pressure (1.01 X 105 Pa). The gas composition at...
1 - Mass balance
with reaction
a) A certain amount of Pennsylvania coal, in a final analysis
(by mass), has 84.36% C, 89% H2, 4.40% O2, 0.63% N2, 0.89% S and
7.83% ash (non-combustible). This coal is burned with a theoretical
amount of air. Disregarding the ash content, determine the molar
fractions of the products.
b) The antimony is obtained by heating the tibite
(Sb2S3) sprayed with iron shavings, removing
the molten antimony from the bottom of the reaction tank:...
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