The steady-state process shown below extracts oil from soybeans. If the soybeans and solvent hexane arefed to the extractor at a rate of 250 kg/hr and 560 kg/hr respectively, calculate:a) the mass rate (kg/h) and composition of the raffinateb) the mass rate (kg/h) and composition of the extractc) the mass of oil recovered per hourd) the mass of hexane used to recover oil from the extract per hour (stream 5)soybeans:37 wt% oil45 wt% protein (118 wt% fiberproteinfiber3.0 wt% hexanehexaneoilOilextractor3hexane(5) hexaneoilOilrecovery

The compsoition of soybeans is 37 wt% oil, 45 wt% protein and 18 wt% fiber. The composition of…

Answered: The steady-state process shown below…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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10. A container is separated into two halves by a membrane. Your lab partner assistant, Thurmond, is supposed to place a MgCl2 solution on side 1 and a NaCl solution on side 2. He is then supposed to measure the rate of water movement across the membrane. Unfortunately, Thurmond is not very good about keeping complete lab notes and he has forgotten to write down some data and calculations. Using your knowledge of osmosis, complete the following table. Temperature is 15°C and the hydraulic conductivity for the membrane is 0.4 ml/atm sec. MgCl2 Concentration on Side 1 NaCl Concentration on Side 2 80 mM Osmolarity on Side 1 Osmolarity on Side 2 Difference in osmotic pressure 60 mosM across the membrane Jy 0.95 ml/sec Reflection coefficient (ơ) Direction of water movement
Q.1) In the experiment, you wrap a piece of copper wire around your magnesium strip to suspend the magnesium inside the eudiometer. Why is copper wire a good choice for this task? Group of answer choices It conducts electricity very well It reacts strongly with the acid It does not react with the acid It is much heavier than Mg Part B) A 45 mL sample of a dry gas is collected at 380 torr and 25 °C. Calculate the volume of the gas sample (in mL) at STP. Part C)Using the data provided in Table 3 in the handout (also provided below), calculate the vapor pressure of water at 21.0 °C. Table 3: Vapor pressure of water at various temperatures T (˚C) P (mmHg) T (˚C) P (mmHg) T (˚C) P (mmHg) 0 4.58 16 13.63 26 25.21 5 6.54 18 15.48 28 28.35 10 9.21 20 17.54 30 31.82 12 10.52 22 19.83 40 55.3 14 11.99 24 22.38 50 92.5
Coal gasification consists of the chemical transformation of solid coal into gas. The heating values of coal differ, but the higher the heating value, the higher the value of the gas produced (which is essentially methane, carbon monoxide, hydrogen, etc.). The following coal has a reported heating value of 29,770 KJ/Kg as received. Assuming that this is the gross heating value, calculate the net heating value.
An open graduated cylinder at 25 °C is filled with mercury and water. The height of mercury is 7.0 cm and the water is 5.6 cm. Calculate the pressure at the bottom of the test tube (kPa) if the atmospheric pressure is 755 mm Hg. (Specific gravity of mercury and water are 13.6 and 1.0 respectively). Report answer in kPa
Pure solid sugar is recovered from sugar cane in a process that has multiple steps. Among all the steps, three steps are considered here (see figure below). A screen is used to separate pulp (solid material) from sugar and water. In the evaporator, a portion of the water is removed. The remaining water is removed in a crystallizer, Stream 1 Screen Stream 2 6250 kg/h 6500 kg/h 7250 kg/h Stream 3 7500 kg/h Stream 4 Pure Water Vapor Evaporator Stream 5 Stream 1 contains 14 mass percent sugar, 16 mass percent pulp, and the remaining is water. All the pulp in Stream 1 goes to Stream 2. Stream 2 contains 96 mass percent pulp. Stream 3 contains no pulp, 16 mass percent sugar, and the remaining is water, and is sent to the evaporator. Stream 4 is pure water. Stream 5 contains sugar and water and is sent to the crystallizer. Pure water (Stream 6) leaves the crystallizer at a rate of 1500 kg/h and pure sugar (Stream 7) leaves the crystallizer at a rate of 1000 kg/h. The process operates at…
A process using two distillation columns in series is used to separate a feed stream (flow rate of 500 kmol/hr) containing a molar composition of 10% n-propanol (NP), 15% isopropanol (IP), 35% ethanol (E), and 40% methanol (M). The term distillate is the vapor containing more volatile components that exit the top of the column and the term bottoms refers to the liquid exiting the bottom of the column. The distillate from the first column (C1) is 98% pure M with a 96% recovery of M; and the distillate from the second column (C2) is 92% pure E with a 95% recovery of E from the process feed. For these calculations, assume that the distillate from C1 contains no propanols, the distillate from C2 contains no NP, and the bottoms stream from C2 contains no M. Based on these facts, answer the following: Compute the flow rates in kmol/hr of each component in each feed, distillate, and bottoms assuming negligible propanols in the distillate from columns C1 and C2. Draw a block flow diagram…
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