Reactivation Options
Pooled VS. custom reactivation
Spent carbons can be returned to a general collection of spent carbon with similar characteristics and customers can be resupplied with reactivated carbon from this pool of liquid phase or vapor phase product. This approach assures a selected volume of reactivated carbon is returned to the customer which matched the original uniform set of specifications. As an alternative, the client may prefer to have the spent carbon reactivated on a custom basis. In this approach, the spent carbon is segregated from all others through the reactivation process, collected and packaged for return to the client. Make-up carbon from a virgin carbon source would be supplied as needed to account for any minor loss in handling.
Custom Reactivation for Municipal Drinking Water Treatment Plants
Spent carbons from drinking water treatment purification applications are reactivated in a separate furnace where there is no co-mixing with industrial carbons that could cross-contaminate the product. Calgon Carbon maintains the integrity of each drinking water provider’s carbon, and our potable reactivation facilities and procedures strictly adhere to AWWA B605.
Food grade VS. industrial reactivation
Calgon Carbon offers alternatives for both food grade and industrial grade reactivation. Spent carbons from food grade process purification applications are reactivated in a separate furnace where there is no co-mixing with industrial carbons that could cross-contaminate the product. Industrial spent carbons are processed in different furnaces where the reactivated products are designated non-food grade.
Hazardous VS. non-hazardous reactivation
Calgon Carbon’s reactivation furnaces at Catlettsburg, KY and Pittsburgh, PA are fully permitted to accept RCRA hazardous spent carbons as well as non-hazardous carbons. In either event, the spent carbons are stored under water with vent emissions treated by carbon adsorption until the spent carbon is conveyed to the furnace for reactivation. Other Calgon Carbon facilities offer reactivation services only for non-hazardous spent carbons. Please contact us for further information on reactivation facilities nearest you.
Modes of return
Once accepted for reactivation, Calgon Carbon will work with the customer to find the most cost-effective and efficient modes of return for the spent carbon. Common methods of return include super sacks (each holding approximately 1,000 pounds of carbon); using flatbed trucks and bulk shipments by means of either Calgon Carbon private fleet potable trailers (more common at sites using steel pressure vessel filters) or dump trucks. Calgon Carbon can also provide Field Services to both remove and install the carbon in the most efficient manner to maximize the customer's economic benefit and minimize disruptions to the customer's operations.
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