Powdered Activated Carbon (PAC) 

Powdered Activated Carbon (PAC)  

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  • Powdered Activated Carbon (PAC)

Powdered Activated Carbon (PAC) Media, Equipment and Systems

Manufactured by direct activation, powdered activated carbons have been specifically developed for the removal of a broad range of organic contaminants from potable, waste and process waters.

PACT Refinery
Siemens' PACT® system combines biological treatment and carbon adsorption into a single treatment step

Powdered activated carbon (PAC) has a relatively smaller particle size when compared to granular activated carbons and consequently, presents a large surface to volume ratio.

As such, PAC is not commonly used in a dedicated adsorber vessel, due to the high headloss that would occur. Instead, PAC is generally added directly to other process units, such as raw water intakes, rapid mix basins, clarifiers, and gravity filters.







Applications for powdered activated carbon include:

Wastewater Treatment 
BOD & COD Reduction 
Tertiary Treatment 
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Contact Us

For more information about Powdered Activated Carbon (PAC), contact the Information Desk, Monday through Friday, 8 a.m. to 5 p.m., Eastern Standard Time:
1.866.926.8420 or 1.724.772.1402 or information.water@siemens.com.

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Powdered Activated Carbon Case Study

Repsol Chemical Treats Wastewater With PACT® and Wet Air Oxidation Systems

Chemical processor Repsol Quimica, a division of Repsol YPF, Tarragona, Spain, looked at several wastewater treatment alternatives for its new 678,000 tons per year polypropylene oxide/styrene monomer (PO/SM) and chemical production facility, which came online in 1999.

The process had to:

  • Meet local environmental regulations,
  • Produce effluent that could be discharged to the Mediterranean Sea,
  • Withstand contaminants that were difficult to treat with biological processes.
  • Test work with solvent extraction, incineration, and other systems did not produce satisfactory results.

Read Full Case Study

Powdered Activated Carbon Case Study
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Featured Powdered Activated Carbon Products

AquaPAC Powdered Activated Carbon
Zimpro Wet Air Regeneration Systems
AquaPAC Powdered Reactivated Carbon

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