Minerals Processing

Our Projects

Green Technology Metals Integrated Project

Green Technology Metal (GT1) has requested that Primero develop a Preliminary Economic Assessment (PEA) for an integrated mine, concentrator and chemical conversion facility, and develop and manage a test work program to a Definitive Feasibility Study (DFS) level of maturity.

Carolina Lithium Integrated Project

Primero is a specialized design-build firm with strong lithium industry know-how that has supported Piedmont’s development since early 2018.

Tennessee Lithium Project FEED

Primero was selected based on a deep history of mining and lithium experience gained in Australia along with a long standing relationship with piedmont during early development.

North American Lithium Re-Start

Sayona engaged Primero to review previous engineering works, complete design, and detailed engineering, manage and support procurement, provide technical support for construction management, provide technical support during commissioning for the four CAPEX Projects.

Cumming Range Phosphate & Rare Earths Project

Primero has assisted with test work management and process development work at an early stage.

Ewoyaa Lithium Project

Atlantic Lithium Limited is a funded African-focussed lithium exploration and development company targeting to deliver Ghana’s first lithium mine, awarded the processing plant Front-End Engineering Design (FEED) contract for the Ewoyaa Lithium Project in Ghana, West Africa to Primero.

Xuxa Lithium Project

Sigma is developing an industrial-scale green mining operation in the Vale do Jequitinhonha, Minas Gerais state, Brazil.

Pilgangoora Lithium Project

Altura engaged Primero to achieve sustainable nameplate production through the provision of operational support services, development of a fit for purpose asset management strategy and the implementation of supporting systems / processes to achieve higher plant runtime.

Galaxy Resources

Primero was first engaged by Galaxy in 2016 to assist in the restart of processing operations at Mt Cattlin and has been retained to deliver a variety of projects since.

Abujar Gold

Primero was engaged by Tietto Minerals Limited to complete a turnkey design of a gold mineral processing plant, capable of processing 4.5Mtpa of ore and producing over 200,000 oz of gold a year.

Bald Hill

Primero was engaged by the Tawana Resources and Alliance Mineral Assets Limited joint venture (JV) to complete the design, procurement, construction and operation of the DMS circuit at Bald Hill.

Battery Recycling and Valuable Metal Recovery

Primero was engaged to assist with the flowsheet development for the process and subsequently design, build and commission a battery recycling pilot plant at Neometals’ facilities in Montreal, Canada.

Browns Range

Primero was engaged to construct the beneficiation and hydrometallurgical plant, collocated at Browns Range in the East Kimberley region of WA.

Grants Lithium Project

Primero was responsible for the execution of FEED services for Core Lithium during the development of their Finniss Lithium project whereby shortcomings were identified and rectified prior to the completion of their DFS.

Tujuh Bukit Ore Preparation

Primero was responsible for the process, mechanical, structural, piping and electrical aspects of the detailed design activities as well as management of equipment procurement, site support during construction and commissioning assistance.

Hopper 9 Primary Crushing Plant

Primero supported RCR Mining Technologies in delivering the detailed design (by way of ECI) and construction of the semi-relocatable Hopper 9 crushing plant in 2020.

Marandoo SWFSF Pipeline and Electrical Upgrade

Included in Primero’s scope was the detailed structural, mechanical, piping, and electrical and communications design drafting, as well as supply and installation of all materials and equipment, including modifications to existing infrastructure and systems as required.


Primero is a delivery partner of choice for Pilbara Minerals and has been actively involved in all aspects of the development and operation of the Pilgangooora Project.

Pogo Expansion

Primero is engaged by Northern Star Resources to implement the Pogo Mine process plant upgrades to increase throughput.