Recent questions in Chemical engineering

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Design a chemical reactor that can efficiently convert 100 kg/hr of propane gas to propylene gas at a temperature of 500°C and a pressure of 2 atm. The desired conversion rate is 90%, while minimizing the production of unwanted byproducts. The reactor must also be safe and economically feasible, with a maximum capital cost of $1.5 million and a minimum expected lifetime of 10 years. What type of reactor, catalyst, and operating conditions would you recommend and why?

asked 2 days ago in Chemical engineering by FawnMosher92 (390 points)

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1 answer 29 views

Design a chemical reactor system with a specific volume and flow rate for the production of 100 kg/hr of ammonia from hydrogen and nitrogen gases using the Haber-Bosch process. The reactor temperature should be maintained at 450°C and a pressure of 200 atm. The reactor should also have a 90% conversion rate of reactants to meet the required production rate. Determine the dimensions of the reactor and the amount of catalyst needed for this process.

asked 2 days ago in Chemical engineering by NoemiFabian (650 points)

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1 answer 24 views

Design a chemical reactor system to produce 100 litres of ammonia per hour from hydrogen and nitrogen gases. The reaction occurs at 450°C and 200 atm pressure. The reactor should have a conversion rate of at least 95% and a selectivity of 100% towards ammonia production. The feed gases are available at a rate of 200 litres per minute each, and the reactor should operate continuously for 30 days. Also, ensure that the reactor design considers the safety precautions required for handling flammable gases and high-pressure materials. Provide a detailed technical report of your reactor design with an analysis of the efficiency, cost, and environmental impact.

asked 2 days ago in Chemical engineering by BlytheWedgwo (570 points)

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1 answer 32 views

Design a chemical reactor system for the production of 500 kg/hr of methanol (CH3OH) through the reaction of carbon monoxide (CO) and hydrogen gas (H2). The reactor should operate at a pressure of 100 atm and a temperature of 300°C, and must achieve a minimum conversion rate of 80%. Determine the type of reactor needed and its dimensions, as well as the required flow rates of CO and H2 gas to meet the production target.

asked 2 days ago in Chemical engineering by CharleneKeen (570 points)

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1 answer 24 views

Design a chemical reactor for the synthesis of ammonia via the Haber process. The reactor should operate at a pressure of 200 atm and a temperature of 450°C. Assume a feed of nitrogen and hydrogen gases at a ratio of 1:3, with a flow rate of 10 moles per minute. Determine the size of the reactor and select a suitable catalyst for the reaction.

asked 2 days ago in Chemical engineering by JaimeThurber (470 points)

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1 answer 25 views

Design a chemical reactor for the reaction A + B --> C at a rate of 2 moles/min, with a reaction temperature of 300°C and a pressure of 3 atm. The reaction is exothermic and has a heat of reaction of -200 kJ/mol. The reactants A and B are fed into the reactor at a flow rate of 1 mole/min each. Choose the appropriate reactor design and calculate the volume needed to achieve a conversion of 95%.

asked 2 days ago in Chemical engineering by MohammedBris (530 points)

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1 answer 32 views

Design a chemical reactor for the production of ethylene oxide through the direct oxidation of ethylene. The reactor should have a production rate of 100 tons per day and maintain a constant temperature of 250°C. Assume a feed composition of 90% ethylene and 10% oxygen. The reactor should also have a conversion efficiency of at least 95%. Compute the necessary reactor volume and the optimal flow rate of ethylene and oxygen to achieve the desired production rate and conversion efficiency.

asked 2 days ago in Chemical engineering by CruzFehon13 (290 points)

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1 answer 25 views

Design a chemical reactor for the production of 500 kg/day of ethylene oxide through the oxidation of ethylene with oxygen in the presence of a silver catalyst. The reactor should achieve a conversion of 85% with a selectivity of 95% towards ethylene oxide, while operating at 3 atm and a reactor temperature range of 200-250°C. The feed stream consists of 15% ethylene, 5% oxygen, and the rest is nitrogen. Determine the appropriate reactor type, size, and operating conditions to achieve these specifications.

asked 2 days ago in Chemical engineering by YAZMaybelle3 (530 points)

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1 answer 37 views

Design a chemical reactor for the production of 2000 kg of ammonia per hour from 3000 kg of nitrogen and 6000 kg of hydrogen per hour, using the Haber-Bosch process. Determine the most suitable operating conditions such as pressure, temperature, and catalyst type for maximum yield and cost-effectiveness.

asked 2 days ago in Chemical engineering by LuciaReitz29 (410 points)

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1 answer 6 views

Design a chemical reactor for the production of 1000 kg per hour of ammonia through the Haber process, given a feedstock gas composition of nitrogen and hydrogen in a 3:1 molar ratio, and operating conditions of 450°C at 100 bar pressure. Determine the reactor size and necessary input flow rates of reactants, and identify any key design considerations that need to be taken into account.

asked 2 days ago in Chemical engineering by AshleighBles (490 points)

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1 answer 27 views

Design a Chemical Reactor for the Hydrogenation of Benzene to Cyclohexane:Given the reaction between benzene and hydrogen gas to produce cyclohexane (C6H6 + 3H2 -> C6H12), design a chemical reactor that can convert 900 kg/hr of benzene to cyclohexane, assuming a 90% conversion is desired. The reactor should operate at 300°C and 20 atm, and the hydrogen flow rate is limited to 3000 kg/hr. Determine the reactor type, size, and necessary parameters such as heat transfer, pressure drop, and residence time.

asked 2 days ago in Chemical engineering by PattiWestwoo (460 points)

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1 answer 36 views

Design a chemical reactor for the exothermic reaction A + B -> C, given the following parameters: - The reaction takes place at a temperature of 500°C- The reaction rate constant is 0.05 L/mol/min- The feed stream contains both A and B in equal molar amounts, with a total flow rate of 100 L/min- The desired product, C, should have a concentration of at least 90% in the reactor effluent stream- The reactor should have a residence time of at least 5 minutes. Determine the type of reactor (batch, plug flow, or continuously-stirred tank) and the dimensions (volume, length, diameter) required to achieve the desired product concentration and residence time, assuming an isothermal and well-mixed reactor.

asked 2 days ago in Chemical engineering by Louie80C6010 (450 points)

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1 answer 30 views

Design a chemical engineering system that can produce 500 kg of vanilla flavoring per day, using natural ingredients only. What raw materials will be needed? What is the production process involved? What safety measures should be implemented? How can sustainability be ensured in this process? Provide a detailed report on the system designed.

asked 2 days ago in Chemical engineering by WaldoDanis07 (610 points)

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1 answer 21 views

How does changing the reaction conditions, such as temperature and pressure, affect the properties of the final product in the production of polymers?

asked 2 days ago in Chemical engineering by DwaynePringl (490 points)

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1 answer 38 views

What is the most efficient and cost-effective process for the production of a specific food additive (specified by the teacher or assigned by the student) using chemical engineering principles and equipment? And how can the chemical engineers optimize the process to produce the food additive in the required quality and quantity?

asked 5 days ago in Chemical engineering by NelsonRuby19 (550 points)

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1 answer 42 views

How can the chemical engineering principles be applied to develop a cost-effective and efficient process for the production of a specific pharmaceutical drug, while ensuring the product's purity, potency and stability?

asked 5 days ago in Chemical engineering by MagdaLanglai (610 points)

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1 answer 63 views

How can the chemical engineering principles be applied to design an efficient and cost-effective system for the treatment of industrial wastewater that removes heavy metals and organic pollutants while maintaining acceptable pH and biological oxygen demand (BOD) levels?

asked 5 days ago in Chemical engineering by Bessie598680 (590 points)

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How can the chemical engineering principles be applied to design a cost-effective and efficient system for the production of natural flavors?

asked 5 days ago in Chemical engineering by MandyPino165 (520 points)

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How can the chemical engineering principles be applied in designing an optimal production system for manufacturing natural flavors that are cost-effective and meet the desired quality standards?

asked 5 days ago in Chemical engineering by MariamVerran (570 points)

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1 answer 6 views

How can a chemist design a process for the production of specialty chemicals that maximizes yield and minimizes waste?

asked 6 days ago in Chemical engineering by AugustinaHea (530 points)

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