Packed beds are hollow tubes, pipes, or other vessels filled with packing material. It can be designed with structured packing, or this packing can fill a small object such as a Raschig ring. Packed beds may contain catalyst particles or adsorbents, such as zeolite pellets, granular activated carbon, and the like. Create a packed bed to improve contact between two phases in chemical or similar processes. They can be used in chemical reactors, distillation processes or scrubbers, and beds have also been used to store heat in chemical plants.

Packed bed scrubbers are designed to remove gaseous or gaseous pollutants from gas streams. This process is accomplished by contacting the contaminated air stream with a scrubbing liquid that absorbs or chemically reacts with the contaminants. The clean air is then vented to the atmosphere, and the contaminated scrubbing fluid is either treated in an approved process or can be recovered in the original process and reused in other processes.

There are two types of packed bed scrubbers:

Vertical Packed Bed Scrubber

In a vertical counterflow design, the gas flows upwards and the scrubbing liquid flows downwards through the spray stack. Absorption of gas occurs in the bulk section of the scrubber, where scrubbing liquid is introduced into the liquid through a spray distribution system. High-efficiency mist eliminators remove entrained liquids. Clean gas is present at the top of the container.

Horizontal Packed Bed Scrubber

In a horizontal design, the gas flows horizontally, while the scrubbing liquid flows downward through a liquid distribution system. The scrubber includes a random packing section in which gas absorption occurs. High-efficiency mist eliminators remove entrained liquids. The one-piece oil pan is located at the bottom of the packing section, eliminating the need for an external oil tank.

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