A commercial laundry is considering constructing an ion exchange process to remove hardness from the water. The flow required is 1000 m³/day and they use city water which contains 200 mg/l as CaCO3 of calcium and 100 mg/l as CACO3 of magnesium. Total hardness should be reduced to 80 mg/l as CaCO3. The resin has a Total Hardness (TH) capacity of 60 kg TH/m³ of media and the recommended hydraulic loading rate is 0.5 m³/min-m². (a) What is the water flow rate (m³/d) that need to be treated ? (b) What is the total daily resin volume (m³) required to soften the water? And (c) What is the area of

A commercial laundry is considering constructing an ion exchange process to remove hardness from the water. The flow required is 1000 m³/day and they use city water which contains 200 mg/l as CaCO3 of calcium and 100 mg/l as CACO3 of magnesium. Total hardness should be reduced to 80 mg/l as CaCO3. The resin has a Total Hardness (TH) capacity of 60 kg TH/m³ of media and the recommended hydraulic loading rate is 0.5 m³/min-m². (a) What is the water flow rate (m³/d) that need to be treated ? (b) What is the total daily resin volume (m³) required to soften the water? And (c) What is the area of

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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6. A commeIcial laundry is considering constructing an ion exchange process to remove hardness from the water. The flow required is 1000 m/day and they use city water which contains 200 mg/1 as CaCO3 of calcrum and 100 mg/1 as CaCO3 of magnesium. Total hardness should be reduced to 80 mg/1 as CaCO3. The resin has a Total Hardness (TH) capacity of 60 kg TH/m' of media and the recommended hydraulic loading rate is 0.5 m/min-m2. (a) What is the water flow rate (m/d) that need to be treated ? (b) What is the total daily resin volume (m') required to soften the water? And (c) What is the area of exchanger bed needed.
PV laundry facility uses 1 m/min and wants to design an exchange process to remove hardness from the water. The municipal water that they use contains 80 mg/L of calcium and 36.6 mg/L of Magnesium. Total hardness should be reduced to 80 mg/L of CaCO3. The resin has a Total Hardness (TH) capacity of 60 kg TH/m³ of resin, and the recommended hydraulic loading rate is 0.5 m³/m².min. a) What is the water flow rate (m³/d) that needs to be treated? b) What is the total daily resin volume (m³) required to soften the water? c) What is the area of the exchanger needed?
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In a laboratory we are doing a series of tests on a sample of aggregate. This sample has the wet weight of 586.3 gr and dry weight of 513.9 gr. If the absorption of this aggregate is measured as 2.23%. Calculate the percent of free water in the original wet sample.
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d) Calculate total hardness in ppm of a solution of both 55 mg/L Al2(SO4)3 and 45 mg/L Mg(NO3)2.