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IBC Denver
Services / Recycling

End-of-Life Recycling.

A tote can only live so many lives. When ours finally retire — usually after 3 to 4 fills with us — they get a closed-loop send-off: cage to the steel mill, bottle to a granulation partner, both back into manufacturing inside 90 days.

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Answer first: end-of-life IBC recycling is the process of separating a worn-out caged composite tote into its raw materials — galvanized steel cage, hardwood pallet, HDPE bottle, polypropylene fittings — and routing each material into the right recycling stream. We issue a Certificate of Recycling for every tote that goes through our end-of-life program.

What gets recycled, where

  • HDPE bottle. Granulated into pellet by our local plastics partner. Pellet is sold back into manufacturing for new pipe, drainage products and industrial molding.
  • Steel cage. Stripped, sorted by gauge, baled, and sold to a regional scrap mill. Re-melted into rebar and sheet.
  • Hardwood pallet. If reusable, refurbished and put back into circulation. If too damaged, ground into mulch for local landscape supply.
  • PP fittings. Valves, caps, dust caps — sorted and granulated into a separate PP stream.
  • Hardware. Carriage bolts, washers, nuts — sold as steel scrap.

The 0% landfill promise

We mean it. Zero pounds of material from an end-of-life IBC tote leave our facility headed for landfill. The only “waste” we generate is the wash water from the final rinse cycle, which is sent to municipal treatment under a documented permit.

Certificate of Recycling

Every tote that enters our end-of-life program is logged. At the end of each quarter, we issue a Certificate of Recycling to the company that supplied the totes. The certificate includes:

  • Number of totes processed
  • Estimated weight of HDPE diverted from landfill
  • Estimated weight of steel scrapped
  • CO₂-equivalent saved (vs. landfill + new manufacture)
  • Receiving facility names and addresses

This is the document your sustainability team wants for the annual report. We’ll send it without being asked.

It’s also a service we sell separatelyYou don’t have to be a buy-back customer to use our recycling service. If you’ve got a yard full of dead totes you just need to get rid of responsibly, we’ll quote you on a take-it-and-recycle-it basis. We charge cost-plus for those — usually around $9 per tote depending on freight.
Recycle our totes (or yours) →

The granulation step, in detail

The HDPE bottle from a retired IBC tote weighs about 12 pounds (5.4 kg). Our local plastics partner runs a granulation line that grinds the bottles into roughly 6mm flake, washes the flake to remove residual contaminants, and dries it to a moisture content suitable for re-extrusion. From there the flake is sold to a regional pellet producer who melts and pelletizes it for reintroduction into manufacturing.

The end uses for the recycled HDPE pellet are mostly non-food: drainage pipe, construction sheet, automotive interior trim, irrigation tubing, and a small amount of new packaging that does not require virgin resin (typically secondary packaging like trash liners and shipping film). Recycled HDPE typically commands about 70% of the price of virgin pellet on the open market, which is what makes the math work for the entire recycling chain.

The cage stripping step

The galvanized steel cage on a retired IBC tote weighs about 14 kg. We strip the cage from the bottle and pallet, sort by gauge, bale, and ship to a regional scrap mill that re-melts it into rebar and sheet stock. Galvanized steel is one of the highest-value recycled inputs in the steel industry because the zinc coating is also recovered during re-melting.

The pallet decision tree

Hardwood pallets that are still structurally sound get refurbished and sold to a local pallet broker who reintroduces them into the supply chain. Hardwood pallets that have failed structurally get ground into mulch for the local landscape supply business and end up as garden mulch. Plastic pallets get added to the HDPE granulation stream. Steel-shod composite pallets are stripped — the steel goes to the scrap mill and the composite deck gets granulated.

Why this isn't a profit center

Our end-of-life recycling service is essentially break-even on a cost basis. We do not make significant margin on it. The reason it exists is that without it, we would have to either landfill 9% of the totes that come into our intake bay or stop accepting damaged stock at buy-back, and neither of those is acceptable. The recycling service makes the buy-back program work, and the buy-back program makes the reborn-tote business work, and the reborn-tote business makes us a viable company. Everything is connected.

Customer recycling — the standalone option

If you are not a buy-back customer but you have dead IBC totes you need to dispose of responsibly, we run a standalone recycling service. The pricing is roughly $9 per tote at our yard, plus freight if we are picking up. Larger jobs (50+ totes) drop to about $6 per tote. We issue a Certificate of Recycling for every tote, the same way we do for our own retired stock.

The customers who use this service are typically food and beverage co-packers, fertilizer plants, or construction supply companies who are clearing out a yard full of accumulated empties and need a documented disposal trail for their environmental management system. We have done about 400 such jobs over the past five years, ranging from 12-tote pickups to a single 240-tote teardown.

Recycling frequently asked

What kind of certificate do you provide?
A one-page Certificate of Recycling listing the date, the customer name, the number of totes processed, the estimated weight of each material stream (HDPE, steel, wood), the estimated CO₂-equivalent diverted, and the receiving facility names. We sign it, photograph it, and email it to you. We can also generate a quarterly summary if you have an ongoing relationship with us.
Does the recycling certificate qualify for any specific environmental programs?
Our certificate is generic — it documents diversion from landfill but is not pre-formatted for any specific program (such as TRUE, B Corp, or specific state-level disposal credits). Most customers use it as supporting documentation rather than as the primary credit instrument. If you need it formatted for a specific program, tell us in the inquiry and we will accommodate.
What happens to a tote that has hazardous residue?
We do not accept hazardous-residue totes for our recycling stream. Hazardous waste disposal requires a licensed hazmat handler, which we are not. If you have totes that previously held hazardous chemicals, we will refer you to a regional hazmat partner.
How is the CO₂ savings calculated?
We use the conservative figure of 32 kg of CO₂-equivalent saved per tote diverted from landfill, calculated as the avoided manufacturing emissions of a new equivalent tote. This is a defensible lower-bound estimate based on published life-cycle analysis of caged composite IBCs. Our internal LCA gives a number about 8% higher, but we use the conservative figure publicly.