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Cinemas aldehyde (a fragrance compound) can be made by base-catalyzed aldol condensation reaction between Benz aldehyde and acetaldehyde. The feeds are contacted with sodium hydroxide in a stirred tank reactor. The product is neutralized and washed with water to remove salts. The washed product is usually separated by batch distillation, in which unreacted feeds are recovered first, followed by product, and a polymeric waste is left as residue. The batch distillation product can be further purified by vacuum distillation. Sketch a block flow diagram of the process.
Show that the instantaneous frequency of the input FM signals is proportional to the number of zero crossings in the time interval t - (T1/2) to t + (T1/2), divided by T1, Assume that the modulating is essentially constant during this time interva..
Under these conditions, name one crystalline defect that you would expect to form in order to maintain charge neutrality. How many Cu+ ions are required for the creation of each defect? How would you express the chemical formula for this nonstoichiom..
Discuss the applicability of each model - Does it differ based on the interactions you would expect for each model. Can you conclude that one of the models is 'better' than the others from your graphs/analysis in Problems 3.1-2?
A vapor rate of 2500 kg/h is required and the vaporizer will operate at 6 bara. Size the vessel to restrict the carryover of liquid droplets. The liquid hold-up time need not be considered, as the liquid level will be a function of the thermal des..
question 1a a receptionist who has been working in a large accountancy firm for eleven months has been complaining of
Compute the theoretical density of diamond given that the C-C distance and bond angle are 0.154 nm and 109.5°, respectively. How does this value compare with the measured density?
How many kilograms of natural gas are flowing through the pipelines per hour ( use different steps required in material balance calculations).
Calculate the atomic weight (in amu) of an element (X), given the following data: 24X : 24.000 amu at 0.7879 fractional abundance 26X : 26.000 amu at 0.1017 fractional abundance 25X : 25.000 amu at 0.1113 fractional abundance
Design the manufacture of (tones/day) Ferrous sulphate monohydrate from waste pickle liquor. Pickling is generally associated with the removal of scale with mineral acid. Sulphuric acid is the most commonly used pickling acid.
The recovery of each main component in each product is to be 98%. For example, 98% of the propane in the feed stream is to appear in the propane-rich product, and 98% of the combined pentanes in the feed stream is to appear in the bottoms product ..
Name two analytical methods commonly used in Industrial Hygiene. Illustrate your answer with two typical examples What are the four significant physical parameters that you would use to assess the thermal comfort of employees working in a hot and..
Present/display a research paper with the topic Introduction to Petroleum Engineering,giving preferences to the changes that are generated through the discipline in our world today.
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