At many gold mining sites across Africa, wet pan mills are a far more common sight than ball mills. This is no mere coincidence; rather, it is the result of a convergence of various practical factors.

First and foremost, cost is the decisive factor. Whether considering equipment acquisition, transportation, or installation, the capital outlay required for wet pan mills is significantly lower than that for ball mills. For small-scale mine owners or independent prospectors operating with limited capital, the wet pan mill represents a far more economical choice. Secondly, energy compatibility is of paramount importance. Many mining regions in Africa are situated in remote areas where electricity supplies are unstable or even non-existent. Wet pan mills are typically equipped with low-power motors and consume minimal electricity; they can even be driven by small generators, making them highly adaptable to challenging energy environments—conditions under which large-scale ball mills would be virtually impossible to operate.

Furthermore, the characteristics of the ore align perfectly with the specific requirements of the beneficiation process. Many gold deposits in Africa boast high ore grades, with gold particles often existing in a free or semi-free state; consequently, unlike complex ores, they do not require ultra-fine grinding. The grinding intensity provided by wet pan mills is entirely sufficient to meet these requirements for coarse or medium grinding, enabling the rapid and efficient processing of the ore. Finally, the ease of maintenance and operation constitutes another critical consideration. Wet pan mills feature a simple, robust, and durable structure; should a mechanical fault occur, ordinary workers can easily carry out repairs without the need to rely on specialized technical personnel—a capability that is particularly vital in regions with underdeveloped infrastructure.

In summary, the wet pan mill has gained immense popularity because its key attributes—low cost, low energy consumption, high practical utility, and ease of maintenance—align perfectly with the practical realities of gold mining operations in Africa.