Christian J Calvert

Title: Christian J. Calvert and Innovations in Geothermal Mineral Recovery.

Introduction

Christian J. Calvert is an inventor based in El Centro, California, whose patent work focuses on recovering manganese and zinc from geothermal and other saline feedstocks. He is associated with Energysource Minerals LLC and has 2 patents.

Latest Patents

Calvert’s patent, “Process for Producing Enhanced Manganese-Zinc Geothermal Filter Cake Compositions,” describes repulping and washing a mixed polymetallic filter cake formed after zinc and manganese are precipitated from geothermal brine. The process reduces chloride and other salts while increasing the concentrations of manganese and zinc. Further dewatering and drying can prepare the material for downstream extraction of these metals.

His patent, “Process and Circuit for Producing Enhanced Manganese-Zinc Filter Cake Compositions with Reduced Chloride Concentrations,” covers a sequence of washing, drying, repulping, and dewatering steps for filter cakes derived from saline feedstocks. The disclosed process aims to produce compositions with manganese concentrations of 36–45 wt. % and zinc concentrations of 15–17 wt. %, while reducing chloride content to below 3 wt. %. These improvements support the recovery of refined manganese and zinc products.

Career Highlights

Calvert’s patent portfolio addresses practical steps for improving the quality of mineral-bearing filter cakes. By reducing chloride and other salts while concentrating manganese and zinc, the disclosed processes are designed to support more effective downstream metal recovery.

Collaborations

Calvert is associated with Energysource Minerals LLC. His coworker John L. Featherstone is also identified in connection with his professional work.

Conclusion

Christian J. Calvert’s patents focus on enhancing manganese-zinc filter cakes from geothermal and saline sources, with the goal of enabling more effective recovery of these valuable metals.