Metal Expanded Mesh: Dust and Noise Barriers for Open-Cast Mines in New Zealand
2026-06-11
Facing dust pollution at the West Coast iron ore mine, metal expanded mesh covered with porous sound-absorbing material reduced blasting noise by 22 decibels. Combined with a misting system, this achieved a dust capture rate of 88%, keeping surrounding PM10 concentrations at 15 μg/m³, thereby meeting New Zealand air quality standards (NZS 2796) and minimising the impact on the local community.

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