Lead-Zinc Ore Flotation Plant in Nigeria: Complete Mineral Processing Case 

Project Overview

This project is based in a lead-zinc mining site in Nigeria, where the raw ore quality varies significantly. To ensure the extracted ore meets the requirements for industrial applications, the client adopted a lead-zinc ore flotation process to improve both the ore grade and the overall recovery rate.

The primary objective was to upgrade the raw ore into market-ready lead and zinc concentrates with high economic value. Flotation was chosen for its effectiveness in non-ferrous mineral beneficiation. You can explore more about similar projects on our 
Lead-Zinc Application Page.

Flotation Process

The flotation method is widely used in lead-zinc ore beneficiation due to its ability to selectively separate minerals based on surface properties. By adding chemical reagents, valuable minerals such as galena and sphalerite are floated away from gangue materials.

The flow includes crushing, screening, grinding, classification, flotation, concentration, and dewatering. The key equipment used includes:

 
• Jaw crusher for primary crushing

 
• Circular vibrating screen for size separation

 
• Ball mill and hydrocyclone for grinding and classification

 
• Flotation machine to separate lead and zinc minerals

 
• Thickener and filter press for final concentrate dehydration

This approach not only ensures high recovery but also maintains environmental compliance. For more details on process selection, refer to our 
Flotation Guide for Lead-Zinc Ores.

Equipment Configuration                                                                                                                                                                                                                                                                                           

This complete flotation system for lead-zinc ore is compact, modular, and efficient. It is suitable for both small and medium-scale mining operations. To view more flotation setups, visit our 
Flotation Equipment Category.

On-site Operation & Performance

Here is a step-by-step outline of the system in action:

 
1. Crushing and Screening: The PE600×900 jaw crusher breaks down large ore blocks, while the 2YK2460 screen separates particles by size.

 
1. Grinding and Classification: The MQ2745 ball mill grinds ore to the required fineness, followed by classification using FX250 hydrocyclones.

 
1. Flotation Process: Chemical reagents are added to the slurry in the SF8 flotation cells, achieving over 90% recovery of valuable lead and zinc minerals.

 
1. Concentration and Dewatering: The NZY12 thickener reduces slurry volume and the XAMY-250 filter press removes water, leaving a dense, solid concentrate.

Images from the operation site include:

 
• Jaw Crusher and Vibrating Screen in action

 
• Ball Mill and Hydrocyclone setup

 
• Flotation Cell cluster with reagent dosing system

 
• Filter Press discharging concentrate cakes

Contact Us for Quote

Whether you are working with polymetallic ores or focusing on lead-zinc flotation separation, we provide end-to-end design and equipment supply. Our engineering team can deliver a full mineral beneficiation flowchart tailored to your mine.

📞 Contact us today for a custom quotation and technical support.