TLC's Dense phase conveying, on the other hand, involves particles moving in a slug form at low velocity. It has the advantages of minimizing particle damage and wear, and is generally more efficient, though the operation and control tend to be more complex.

TLC's Dilute phase conveying refers to a method where particles are fully suspended in the gas stream and transported at high velocity. It allows for low-pressure operation, features a simple system design, and is cost-effective.