Recycling and recovery
Metals recovery
High temperature metals recovery from sludges, catalyst and dusts.
High temperature metals recovery reclaims nickel, chromium, cadmium, zinc and precious metals from plating sludges, spent catalyst and baghouse dusts. Where metal content is high enough, recovery costs less than stabilization and landfill.
Source: 40 CFR 261.2 on recycling, and Part 266 Subpart CStreams worth assessing
- F006 electroplating wastewater treatment sludge
- Spent catalyst from refining and chemical processing
- Electric arc furnace dust, K061
- Baghouse and air pollution control dusts
- Spent plating solutions and drag out
- Precious metal bearing electronics and photographic waste
Concentration decides it
Recovery is a metallurgical process and it needs feed grade. A plating sludge at 12 percent nickel is a resource. The same sludge at 1 percent is a disposal problem with expensive aspirations.
The threshold moves with metal price, which means a stream that did not pay two years ago may pay now. On any recurring high volume stream it is worth re running the numbers periodically rather than assuming the answer is fixed.
Common questions
Does recovery remove the waste listing?
No. An F006 sludge sent for metals recovery is still F006. Recovery changes the destination and usually the cost, not the regulatory status, and the manifest reflects that.
What concentration makes recovery viable?
It depends on the metal and the current market. Nickel and precious metals pay at lower concentrations than zinc or chromium. Send an analysis and you will get a straight comparison against stabilization.
Is stabilization the alternative?
Usually. Stabilization binds the metals into a matrix that meets the land disposal restriction treatment standard, then goes to a permitted landfill. It is reliable and it is the default when recovery does not pay.
Related services
Not sure how this applies to your site?
Send a profile, an old manifest, or photographs of the drums. A technical professional will tell you where you stand.
This page summarizes federal requirements and is not legal advice. State programs can be more stringent than the federal baseline. Verify against current federal and state regulations before acting. Last reviewed September 2026.