Question
• • To complete this assignment follow the instructions Handwritten on A4 unruled sheets and later uploaded in pdf format Any answers must not be copied from any source Plag of any kind is not acceptable once detected by us • Provide detailed explanation for positive ratings and feedback Question 1 a) Reverse Osmosis Cell with Recycle Sea water is to be desalinized by reverse osmosis with brine recycling at following plant scheme shown in figure 1. For the given plant scheme and data, answer the following [12 Marks] Recycle Brine (R) 6% Salt Reverse Osmosis Cell Feed (F) (M) (W) Brine waste (B) 1000 kg/h sea water 3.3% salt 3.9% Salt 6% Salt Desalinised water (D) 475 ppm Salt [Figure 1: Recycled plant schematic for task 1a)] (i) Calculate the rate of brine waste (B) (4 Marks) (ii) Calculate the rate of desalinized water (D) (4 Marks) (iii) Calculate the ratio of Recycled stream (R) to the Reverse osmosis cell outlet (W) flow (4 Marks)