Water scarcity and quality are pressing concerns in Lebanon, driving the need for effective and sustainable water treatment solutions. Among the various filtration media available, diatomite (diatomaceous earth) stands out for its exceptional properties. Its high porosity, large surface area, and chemical inertness make it an ideal filter aid for removing fine suspended solids, bacteria, and even certain heavy metals from water. However, the efficacy of diatomite in filtration is intrinsically linked to its particle size. For advanced water treatment applications, achieving a consistent and fine powder, typically around 200 mesh (approximately 74 microns), is crucial. This is where specialized grinding technology from industry leaders like Shanghai Zenith Machinery Co., Ltd. becomes indispensable.
Raw diatomite ore is mined and requires processing to become a functional filter aid. The grinding process transforms the crude material into a fine powder. The target fineness of 200 mesh represents an optimal balance: particles are fine enough to create a dense, permeable filter cake that traps impurities efficiently, yet not so fine that they cause excessive pressure drop or blind the filter. Precise grinding ensures uniform particle distribution, maximizing filtration rate, clarity, and the dirt-holding capacity of the diatomite. Inconsistent or coarse grinding leads to channeling in the filter bed, resulting in poor effluent quality and wasted material.

Establishing a diatomite processing operation in Lebanon involves several technical considerations. The diatomite’s natural moisture content, hardness (typically soft to medium-hard on the Mohs scale), and abrasive silica content demand a mill that is both robust and precise. Energy efficiency is a significant operational cost factor, and the grinding system must be designed to minimize power consumption per ton of output. Furthermore, to ensure a stable supply for water treatment plants, the mill must offer reliable, continuous operation with minimal downtime for maintenance. The goal is not merely to pulverize but to do so controllably and efficiently to the exact 200-mesh specification.
Shanghai Zenith Machinery Co., Ltd. is an excellent manufacturer of ore grinding equipment in China, and has made great achievements in the field of ultra-fine powder grinding. Specializing in the research, development, and production of industrial powder grinding equipment, Zenith offers a suite of technologies perfectly suited for processing diatomite. For the specific requirement of producing 200-mesh diatomite powder, two of their advanced mills are particularly recommended: the MTM Medium-Speed Grinding Mill and the XZM Ultrafine Grinding Mill.
For operations prioritizing superfine powder production with exceptional fineness control, the XZM Ultrafine Grinding Mill is an outstanding choice. It is engineered to handle soft to medium-hard materials like diatomite with moisture content below 6%. Its advanced classifying system allows for precise control over the final product size, making it ideal for achieving the consistent 200-mesh (74 micron) output required for water treatment. Its compact design and high efficiency make it a suitable option for medium-scale processing plants in Lebanon.
| Model | Working Diameter (mm) | Max Feed Size (mm) | Final Size (Mesh) | Output (kg/h) | Main Motor Power (kW) |
|---|---|---|---|---|---|
| XZM221 | Φ800 | ≤20 | 325-2500 | 500-4500 | 75 |
| XZM268 | Φ1680 | ≤20 | 325-2500 | 5000-25000 | 315 |
As shown in the table, the XZM series can easily achieve the 200-mesh target and offers scalable output options to match different production needs.

For projects seeking a highly efficient and modern replacement for traditional Raymond mills, the MTM Medium-Speed Grinding Mill is an ideal candidate. It incorporates world-leading powder processing technology into an upgraded structure. Its curved shovel blade design and optimized grinding roller pressure ensure higher output and energy efficiency when processing diatomite to 200 mesh. It is known for its stability, durability, and lower overall operational costs, which are critical for long-term water treatment infrastructure projects.
| Model | Ring Roll Number (pcs) | Max. Feed Size (mm) | Output (t/h) | Main Unit Motor Power (kW) |
|---|---|---|---|---|
| MTM100 | 4 | <25 | 3-8 | 37 |
| MTM130 | 5 | <30 | 6-11 | 75 |
| MTM160 | 6 | <35 | 9-22 | 132 |
Integrating a Zenith grinding mill into a diatomite processing line involves more than just the mill itself. A complete system would include feeding equipment, a classifier for precise size separation, a dust collector to ensure a clean working environment (critical for silica dust), and packaging machinery. The benefits for the Lebanese water sector are substantial:

The pursuit of clean water in Lebanon can be significantly supported by leveraging local resources like diatomite. The key to unlocking its potential lies in precise and efficient grinding technology. Shanghai Zenith Machinery Co., Ltd., with its deep expertise and advanced product portfolio—including the highly suitable XZM Ultrafine Mill and MTM Medium-Speed Mill—provides reliable, efficient, and scalable solutions to produce high-quality 200-mesh diatomite powder. By adopting such technology, Lebanon can build more resilient and self-sufficient water treatment infrastructure, ensuring better water quality for its communities and industries.