Fluidization and airslide technology are two distinct processes that find applications in industries dealing with particulate solids. While they share similarities in their ability to handle and transport powders, they differ in terms of operation, mechanism, and specific applications.

By understanding these contrasting approaches, we can appreciate their unique contributions to various industries.

Understanding Fluidization

Fluidization, as discussed in a previous article, refers to the transformation of a solid material into a fluid-like state when subjected to an upward flow of gas or liquid.

It occurs when the upward force exerted by the fluid equals or exceeds the weight of the solid particles, resulting in the suspension and flow of the particles. Fluidization is utilized in applications such as fluidized bed reactors and powder handling systems.

Exploring Airslide Technology

  1. Principle of Airslide Technology: Airslide technology, also known as fluidized gravity conveying, is a method used to transport dry, granular, or powdered materials over long distances using an air-permeable conveyor belt. It involves the flow of air through the permeable belt, creating an air cushion that suspends and conveys the material. The fluidization in airslide technology is primarily driven by the flow of air.
  2. Functionality of Airslide Technology : In airslide technology, the material to be conveyed is placed on the air-permeable belt. As air is introduced beneath the belt, it flows through the material and creates a fluidized state, allowing the material to move along the conveyor. The air cushion provides support and reduces friction, enabling smooth and controlled conveying of the material.

Top 3 Differences between Fluidization and Airslide Technology

  1. Operating Mechanism: Fluidization relies on the upward flow of gas or liquid to transform solid particles into a fluid-like state. The fluid exerts an upward force on the particles, suspending them and allowing for fluid-like behavior. In contrast, airslide technology utilizes the flow of air through an air-permeable conveyor belt to create an air cushion that fluidizes and conveys the material.
  2. Transport Mechanism: Fluidization is primarily used for mixing, reaction, and processing of particulate solids within a fluidized bed. It allows for efficient heat and mass transfer, promoting enhanced reactions and processing. Airslide technology, on the other hand, is specifically designed for the long-distance conveying of dry, granular, or powdered materials. It offers a low-friction conveying method that minimizes material degradation and dust generation.
  3. Applications: Fluidization finds applications in industries such as chemical processing, petrochemicals, and powder handling. It is utilized in fluidized bed reactors, dryers, and granulators. Airslide technology, on the other hand, is commonly employed in industries that require the controlled and efficient conveying of powders, including cement manufacturing, food processing, and bulk material handling.
Airslide fabric
Airslide fabric

Comparison of Fluidization and Airslide Technology

ParameterFluidizationAirslide Technology
Operating MechanismUpward flow of fluidFlow of air through a permeable belt
Transport MechanismMixing, processing within a fluidized bedConveying of dry materials over long distances
ApplicationsChemical processing, powder handlingCement manufacturing, food processing, bulk material handling


Fluidization and air slide technology represent distinct approaches to handling and transporting particulate solids. While fluidization transforms solid particles into a fluid-like state within a bed, airslide technology utilizes an air-permeable conveyor belt to create an air cushion for long-distance conveying. Each method offers unique advantages and finds applications in different industries. By recognizing the differences between fluidization and airslide technology, industries can select the most suitable approach for their specific needs, optimizing their processes and achieving efficient material handling.