The application provides a process for recovering purified -caprolactam from nylon 6-containing multi-component material which comprises the steps of a) providing a pre-concentrated nylon 6-containing material obtained by extraction, b) depolymerization, c) recovery, and d) purification that comprises extraction, back-extraction, distillation and crystallization.

Disclosed are methods for producing -caprolactam from nylon 6 plastic waste.

Disclosed are methods for producing -caprolactam from nylon 6 plastic waste.