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Explain the graphical design procedure for finding the reactor size for adiabatic operations ofPlug flow and Mixed flow reactors.(May-2005 & Dec-2005) and The flowthrougha tubularreactor, inwhicha first order irreversible liquid phase reaction takes place, is increased by 20% and in order to maintain the same fractional conversion it isdecided to change the reactor operating conditions. The reaction has an activation energy of4kcal/mol and the initial temperature is 150oC. Find the new operating temperature of thereactor.(Dec-2004 & Dec-2005) and Discuss the stability criteria for exothermic reactions in Mixed flow reactors
Which of the following would you expect to be elastomers and which thermosetting polymers at room temperature? Justify each choice.
1. What is the principle of Lime Soda process? Give their functions with chemical reactions. 2. Write notes on Reserve osmosis and Ultra filtration.
(a) Describe the provisions of Occupational Safety and Health Act 2005 with regard to ‘Substances hazardous to health' (b) Describe four types of hazard which arise from the use of chemicals
Select a process variable (pressure / temperature / level / flow) and conduct a literature survey to determine recent developments in process instrumentation field. Identify any one novel instrument and explain in detail the working of the instrument..
Calculate the heat when 100.0 mL of 0.500 M HCl is mixed with 300.0 mL of 0.100 M Ba(OH)2. Assuming that the temperature of both solutions was initially 25.0C and that the final mixture has a mass of 400.0 g and a specific heat capacity of 4.18 J..
When heavy oils are cracked in a catalytic or thermal cracking process, lighter hydrocarbon compounds are formed. Most cracking processes on heavy oil feeds form products with carbon numbers ranging from two to greater than twenty.
Calculate the flow rates of burets Y and Z. Assume the flow rates remain constant during the experiment.
The U.S. Environmental Protection Agency (EPA) recommends that 222Rn levels not exceed 4 pCi per liter of air (1Ci=3.7x10^10 decay events per second; 1 pCi =1x10^-12 Ci).
Using the concept of a mass balance describe how environmental engineers and scientists model the carbon cycle in the earth's atmosphere allowing them to predict build up of CO2 over time.
A mixture of maleic anhydride and benzoic acid containing 10 mol% acid is a product of the manufacture of phthalic anhydride.
Describe how the business will operate. Plan and cost the employee requirements. What is required and how to pay them? Describe the facilities and equipment plan and technology plan? Also prepare an organizational chart that depicts the company's str..
Express the maximum radius (Rmax) and maximum thickness (Tmax) in terms of bulk oxygen concentration, Cb (mol/mL), diffusivity of oxygen through the device D (cm2/s) and maximum oxygen consumption rate, Vmax (mol/mL/s).
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