Problem 8.1: A tower is running at LSI 11 but has no

From Chapter 8 Problem Set. Level 1: Conceptual Mastery.

Question

A tower is running at LSI = +1.1 but has no visible scaling. Give two operational reasons this can be true.

Answer

Show answer

Any two: effective scale inhibitor program extending induction time; good dispersion and low residence time; clean surfaces with few nucleation sites; high turbulence preventing particle adhesion; side-stream filtration removing seed crystals; effective control of hot-spot temperatures.