In underground construction, Trenchless technology and Vacuum Excavation are two widely used yet very different approaches. While both are designed to minimize surface disruption, they serve different project needs.

Trenchless methods, such as Horizontal Directional Drilling (HDD), are ideal for creating underground passages for pipelines or cables without the need for open trenches. They typically handle large fluid volumes and require complete mud recycling systems to ensure efficient drilling. Equipment such as desanders, desilters, and high-performance centrifuges play a central role in processing drilling fluids.

Vacuum Excavation, on the other hand, is widely applied in utility exposure, daylighting, and sensitive soil removal. Its systems manage smaller flow rates, but the screening process often requires larger surface areas to efficiently separate solids from the slurry. This makes it more focused on precision and safety rather than volume.

Recently, GN Solids Control delivered a complete Vacuum Excavation mud treatment system for a U.S. client. The package included a coarse screening module, fine screening module, desander module, and a large-bowl decanter centrifuge. With nearly two decades of experience, GN continues to expand its solutions to meet diverse client requirements across both trenchless and vacuum excavation industries.

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