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Suppose that 100 L/min are drawn from a fermentation tank and passed through anextraction tank in which the fermentation product (in the aqueous phase) is mixedwith an organic solvent, and then the aqueous phase is separated from the organic phase. The concentration of the desired enzyme ( 3-hydroxybutyrate dehydrogenase )in the aqueous feed to the extraction tank is 10.2 g/L. The pure organic extraction solvent runs into the extraction tank at the rate of 9.5 L/min. If the ratio of the enzyme in the exit product stream (the organic phase) from the extraction tank to the concentration of the enzyme in the exit waste stream ( the aqueous phase )from the tank is D= 18.5( g/L organic)/(g/L aqueous), what is the fraction recovery of the enzyme and the amount recovered per min? Assume negligible miscibility between the aqueous and organic liquids in each other, and ignore any change in density on removal or addition of the enzyme to either stream.
For what reasons did congress enact the Emergency Planning Community Right to Know Act? How is this Act related to OSHA, RCRA, SARA, and CERCLA? What are the major provisions of the EPCRTKA?
Consider 1 mole of ideal gas at 1 bar and 300 K, which of the following statements is true? The absolute entropy of the system is negative. Helium (m=4 amu) will have a larger entropy than argon (m=40 amu).
A gas mixture containing 55 mol% propane and 45 mol% propylene is to be separated into products containing 10 and 90 mol% propane by adsorption in a continuous, countercurrent adsorption system operating at 25°C and 1 atm. The adsorbent is silica ..
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
Calculate the density of atoms along [011] in molybdenum (Mo). Express your answer in units of atoms/cm.
Calculate the flow rates of burets Y and Z. Assume the flow rates remain constant during the experiment.
An analyst gathered the following information about the return distributions for two portfolios during the same time period:
Assuming that there are no other significant side reactions, calculate masses of alcohol and ether produced, per 1000 kg of allyl chloride fed to the reactor.
A mixture containing 98 mol% methanol and 2 mol% of an inert contaminant is available as a feed to a formaldehyde plant. The fresh feed to a process consists of 1000 kmol/h of this mixture along with 200 kmol/h of oxygen. All of the oxygen is consume..
Suppose the various color frequency and intensity values that comprise a color analysis are combined into a single numerical value, C, for a particular yellow dye. During a test period in which the reactor conditions are carefully controlled and t..
Determine the energy needed to quench a hot gas with water, Assume we have a 100,000 cubic foot per minute gas (air) stream at 700 degrees F that goes to an air pollution control device
What are the major drivers and forces of Australia's economy, such as major cities, major products and manufacturing locations, where raw materials come from, and transportation networks that have either created corridors or barriers to economic d..
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