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Design a CSTR to provide pretreatment for an industrial wastewater that flows at a rate of 1,000 fpm with a phenol concentration of 200 mg/L. Phenol undergoes a first-order decay reaction in the CSTR with a rate constant, k=0.50 hr^(-1). The current industrial pretreatment permit limitation for phenol is 20 mg/L. The permit limitation may be changed, either higher or lower, in the future. 1. Determine the required CSTR volume, V (in gallons), and hydraulic residence time, in V/Q (hours), to comply with the current industrial pretreatment permit limitation for phenol. 2. Plot a graph with CSTR effluent phenol concentration in mg/L along the vertical axis as a function of CSTR hydraulic residence time in hours, on the horizontal axis for assessing the impact of changes in the permit limitation. Use a spreadsheet to perform the repetitive calculations and then use the spreadsheet's graphing tools to plot the graph. Comment on a type of "Law of Diminishing Returns" on effluent phenol concentration versus the V/Q that applies to CSTR design for first-order decay reactions.
If 3.93 g of sodium borohydride contains 2.5 × 10e23 H atoms, how many moles of H are present in 33 cm3 of sodium borohydride (of density 1.074 g/cm3)?
Descrbie observable differences between elemental copper and Cu2+ ion and between H2
Carboxylic acids and phenols can be separated by chemically active extraction if the pH of the aqueous layer is properly chosen. Phenols are sufficiently acidic to be extracted into aqueous sodium hydroxide
A compound contains only carbon, hydrogen, and oxygen. Combustion of 0.01068 g of the compound yields 0.01601 g of CO2 and 0.00437 g of H2O. The molar mass of the compound is 176.1 g. What are the empirical and molecular formulas of the compound?
Grignard reagent and carbonyl-containing compound. Suppose scheme one involves the reaction of the Grignard reagent containing more carbon atoms with the carbonyl compound containing less carbon atoms and scheme two involves the reaction of the Gr..
A 261-mL sample of a sugar solution containing 1.35g of the sugar has an osmotic pressure of 30.1 mmHg at 35.5 degrees celcius.
What is the effective concentration between the ends if you consider the characteristic ratio of dna?
If I have .0888g of potassium hydrogen sulfate, its density is 2.322g/mL and its molecular weight is 136.17g/mol how many mols do I have
How many minutes will it take to plate out 16.22 g of Al Metal from a solution of Al^+3 using a current of 12.9 amps in an electrolytic cell
What alkene (including cis and trans isomers) would be produced by the dehydration of the following alcohols? Where possible, predict the relative amounts of each product according to Zaitsev's rule.
If 5.00 ml of a solution containing .0400 M iron is placed in a 100.0 ml volumetric flask and filled to the mark with deionized water, what will be the concentration of iron in this new solution?
To isolate the barium ion the hydrate was reacted with sodium carbonate to from a white precipitate of barium carbonate. Data from this reaction is given below:
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