(b) (c) (a) X The results obtained from pressure acid leaching of copper ore particles in...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
(b) (c) (a) X The results obtained from pressure acid leaching of copper ore particles in a batch test are listed and plotted below to show that the results agree with a shrinking core kinetic model. Predict the time for complete dissolution of copper from the particles. State the assumptions used in the prediction. or 1-3 (1-x)2/³+2(1-X) t/min Cu leached (%) 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 10 5.5 37 11 57 20 15 65- y=0.012x+0.009 R²-0.988 1-3(1-x)2/3+2(1-X) 30 Time /min 26 78 X 40 40 86 50 [5 marks] Calculate the volume of a well mixed reactor required to leach 95% of copper from the ore (SG = 1.2) described in part (a) at a pulp density of 12% (w/w) and a solids flow rate of 12 t/h. [12 marks] Predict the volume of the reactor needed to leach 95% of copper if the particle size of the ore was decreased to half of the value in part (a) keeping the other conditions unchanged. [3 marks] (b) (c) (a) X The results obtained from pressure acid leaching of copper ore particles in a batch test are listed and plotted below to show that the results agree with a shrinking core kinetic model. Predict the time for complete dissolution of copper from the particles. State the assumptions used in the prediction. or 1-3 (1-x)2/³+2(1-X) t/min Cu leached (%) 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 10 5.5 37 11 57 20 15 65- y=0.012x+0.009 R²-0.988 1-3(1-x)2/3+2(1-X) 30 Time /min 26 78 X 40 40 86 50 [5 marks] Calculate the volume of a well mixed reactor required to leach 95% of copper from the ore (SG = 1.2) described in part (a) at a pulp density of 12% (w/w) and a solids flow rate of 12 t/h. [12 marks] Predict the volume of the reactor needed to leach 95% of copper if the particle size of the ore was decreased to half of the value in part (a) keeping the other conditions unchanged. [3 marks]
Expert Answer:
Related Book For
Process Dynamics And Control
ISBN: 978-0471000778
2nd Edition
Authors: Dale E. Seborg, Thomas F. Edgar, Duncan A. Mellich
Posted Date:
Students also viewed these electrical engineering questions
-
Specify the truth table of an octal-to-binary priority encoder. Provide an output V to indicate that at least one of the inputs is present. The input with the highest subscript number has the highest...
-
A truth table for a set of inputs is shown below where A and B are inputs and Y is an output. Construct binary operations (AND, OR, NOT) in series or parallel that yield Y front A and B. 1
-
5 / 4 + 9 / 2x = 3 / 8 x 1 / 4
-
Danis Inc is an American firm. The company will receive 626,000 British pounds (GBP) from one of its trading partners in 30 days. The company has obtained an analyst report for possible foreign...
-
Outline the costs and benefits involved in the trade-off between a tighter versus a looser receivables policy.
-
Why did the AICPA object to former Congressman Dave Camp's tax reform proposal introduced in February 2014 (later officially introduced as H.R. 1 of the 113rd Congress) regarding the use of the cash...
-
Find the solution to Stokes flow past a sphere where the far-field velocity satisfies the elongational flow defined as \(v_{x}=\dot{\gamma} x, v_{y}=\) \(\dot{\gamma} y\), and \(v_{z}=-2 \dot{\gamma}...
-
Lindley Enterprises sells hand-woven rugs. Paige Corporation is a regular customer of Lindley Enterprises. On June 30, Paige Corporation purchased 500 rugs from Lindley Enterprises for $300,000 on...
-
You purchase a Bond with a 11% Coupon Rate and a face value of $1000. Calculate the current value given the following factors: Years to Maturity Yield to Maturity (%) Current Price 5 9 5 6 6 6 B)...
-
Early in its fiscal year ending December 31, 2024, San Antonio Outfitters finalized plans to expand operations. The first stage was completed on March 28 with the purchase of a tract of land on the...
-
Loiselle manufactures high-quality speakers. Suppose Loiselle is considering spending the following amounts on a new quality program: It also expects this program to avoid lost profits from the...
-
1. The agreement for leasing a new car with a purchasing price of $21 000 includes a down payment of $1500 and a monthly payment of $325.00 over four years. At the end of the four years, you could...
-
You are given the following data set: -[4-[] = You would like to use PCA to find a 1-dimensional representation of the data. a. Plot the data set. b. Compute the feature covariance matrix S. c. You...
-
Jackie is buying a new car for $23,000. She would like to add options that cost $752.00. In her state, she is required to pay a $25.00 registration fee, $20.00 for a car license, and 7% sales tax....
-
what ways does the international dissemination of Conceptual art challenge cultural hegemony and Eurocentric perspectives within the global art discourse, fostering a more inclusive and diverse...
-
How does the philosophical underpinning of Conceptual art challenge traditional notions of aesthetics and artistic production ?
-
V (mV) 250 200 150 50 0 -0.38 mm 2 V i=4 (Pxy) (Pxx) 3 4 5 Magnetic field (T) 6 V 7 3 10 8 0 V. (mv) Figure 1: Measured longitudinal and transverse voltages for a GaAs film at T = 1.2K. The applied...
-
List four items of financial information you consider to be important to a manager of a business that has been operating for a year.
-
Consider a blending tank that has the same dimensions and nominal flow rates as the storage tank in Exercise 2.13 but incorporates a valve on the outflow line that is used to establish flow rate w3....
-
Several linear transmitters have been installed and calibrated as follows: (a) Develop an expression for the output of each transmitter as a function of its input. Be sure to include appropriate...
-
A process consists of an integrating element operating in parallel with a first-order element (Figure). (a) What is the order of the overall transfer function, G(s) = V(s)/U(s)?(b) What is the gain...
-
Explain how corporations provide limited liability to their owners.
-
Why do administrative agencies grow over time? Explain.
-
Explain the steps in the informal rulemaking process.
Study smarter with the SolutionInn App