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How Crucial is an On-Site Lab for Gold Processing in Nigeria?

July 1, 2025 in /by

Last week, a customer from Nigeria visited our factory to discuss a gold CIP processing plant. We had previously communicated with the customer by phone and even met in Nigeria for preliminary discussions. The customer’s gold mine is located in Kwara, a region well-known for its gold resources and good gold content. This time, he […]

Alluvial Tin, Tantalum-Niobium & Monazite Processing – Jos, Nigeria

June 27, 2025 in /by

On-Site Survey & Customer Visits Our engineering team is currently in Jos, Nigeria, meeting clients and inspecting new deposits of alluvial tin, tantalum-niobium and monazite. Dasen Mining has already delivered several plants in this region, giving us a deep understanding of local ore characteristics. Typical Flow Sheet for Jos Alluvials Pre-screening – remove oversize and […]

Chrome Ore Washing vs. Concentrate Plants – What’s the Difference?

June 26, 2025 in /by

Chrome ore can be upgraded in two distinct ways. Choosing the right flow sheet depends on the feed grade, particle size, and market requirements. 1. Chrome Ore Washing Plant Purpose: Upgrade high-grade, coarse ROM (run-of-mine) ore to marketable lumpy chrome (>10 mm). Basic flow: Primary crushing (only when ROM >250 mm) Rotary scrubber – removes […]

Ore Washing System in Jos, Nigeria Alluvial Tin Plant

June 25, 2025 in /by

Dasen Mining recently commissioned an alluvial tin-tantalum-niobium processing plant near Jos, Nigeria. The flowsheet consists of: Washing & Desliming • Double screw washing machine • Trommel screen Gravity Concentration • Jig concentrators (roughing) • Shaking tables (cleaning) Magnetic Separation • Double-roll magnetic separator • Three disc electromagnetic separator Why a Double Screw Washing Machine ? […]

Chrome Ore Processing Flow (Crusher → Jig → Shaking Table)

June 24, 2025 in /by

The following gravity-based flow sheet is an ideal entry-level solution for chrome-ore beneficiation projects: Primary & secondary crushing • Target product size: 3–5 mm Rough concentration – Jig machine Final concentration – Shaking table Why choose this flow? • No grinding mill required – eliminating both capital expense and power consumption associated with ball milling. […]

Spiral Separators Shipped to Nigeria

June 19, 2025 in /by

This week Dasen Mining loaded a full 40-foot container of spiral separators (model 1200) bound for Jos, Nigeria. A total of 21 complete sets were secured; loading photos are shown below. Why Model 1200 Spiral Separators? • Widely used in gravity separation plants • Ideal for tin, tantalum-niobium, monazite, chrome, manganese and zircon processing • […]

Gold Extraction Using the Zinc Powder Replacement Process

June 17, 2025 in /by

The zinc powder replacement process is a widely used method for extracting gold from cyanide-rich precious solutions. This technique is particularly effective in the final stages of gold refining and is known for its simplicity, low cost, and high efficiency. Overview of the Gold Extraction Stages The complete gold extraction process includes six main steps: […]

An Italian Miner’s Switch to a 10TPD CIL Plant

June 10, 2025 in /by

For years, an experienced Italian miner battled disappointing gold recovery rates. Despite diligent efforts, traditional flotation methods simply couldn’t unlock the full value trapped in his ore, putting profitability and sustainability at risk. Frustrated by the limitations, he knew he needed a fundamental change. Seeking a more effective solution, he reached out to our team. […]

How to Test Gold Content in Leaching Solution Using Zinc Wire？

June 6, 2025 in /by

A customer from India recently purchased our leaching chemicals to perform gold leaching tests. He asked how to determine when the gold content in the pregnant solution has reached its lowest point, so he can begin the next batch. I consulted our engineer, and the recommendation was to use zinc wire testing. Below is the […]