Roberto Parra Figueroa

Title: Roberto Parra Figueroa and a Waste-Free Copper Production Method.

Introduction

Roberto Parra Figueroa is an inventor associated with Concepción, Chile, and Universidad de Concepción. His patent work addresses copper production from concentrates while aiming to avoid generating waste.

Latest Patents

The provided information lists 1 patent for Parra Figueroa: “Method for Producing Copper Metal from Copper Concentrates Without Generating Waste.” The process oxidizes copper concentrate, cleans and cools the resulting gases, and feeds them to a reduction reactor. It then cleans the gases and discharges hot powders and calcines into water.

The method continues with magnetic separation, followed by thickening and filtering the magnetic fraction. Silica and inert materials are floated, thickened, and filtered, while the final concentrate containing copper and noble metals is also thickened and filtered. That concentrate is smelted, and ground smelt slag is recirculated to a roasting reactor.

Career Highlights

Parra Figueroa’s listed invention presents an integrated approach to recovering copper and noble metals while processing other materials within the production cycle. Recirculating ground smelt slag to the roasting reactor is a key part of the method’s waste-reduction strategy.

Collaborations

The provided information names Igor Wilkomirsky Fuica and Fernando Antonio Parada Luna as coworkers. Parra Figueroa is associated with Universidad de Concepción.

Conclusion

Roberto Parra Figueroa’s listed patent describes a multi-stage copper-production process designed to recover valuable metals and recirculate materials, reflecting an innovation focused on reducing waste.