A business manager of a cemetery factory has expressed his intention to purchase a desalination unit to produce water desalting…

A business manager of a cemetery factory has expressed his intention to purchase a desalination unit to produce water desalting facilities  . he requests to his staff to prepare the tender specification of this unit . the factory is localized in inland , a source of brackish water is available with a salinity of 10 g/L . the feed volume flow rate will be 1.5 m 3 /day . the concentration of the permeate does not exceed a 0.5 g/L . zero liquid discharge presents his ultimatum condition . in agreement with these requirement , you are requested to suggest two options with drawing , performance and economic comparison .