initial commit / add all books

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+clc;

+clear;

+//Example 6.2

+m_dot=10000     //Weak liquor entering in [kg/h]

+fr_in=0.04       //Fraciton of caustic soda IN i.e 4%

+fr_out=0.25    //Fraciton of caustic soda OUT i.e 25%

+//Let mdash_dot be the kg/h of thick liquor leaving

+mdash_dot=fr_in*m_dot/fr_out        //[kg/h]

+

+//Overall material balance

+//kg/h of feed=kg/h of water evaporated +kg/h of thick liquor

+//we=water evaporated in kg/h

+//Therefore

+we=m_dot-mdash_dot      //[kg/h]

+printf("\n Capacity of evaporator is %d kg/h",we);