Coal Mining

Real-time suspended solids monitoring helps regulatory compliance while avoiding unnecessary costs

The U.S. Environmental Protection Agency (EPA) first promulgated coal mining effluent guidelines and standards (40 CFR Part 434) in 1975, and since then has amended the regulation several times to ensure the safety of wastewater discharges. Coal mining is typically a water-intensive process. According to EPA’s website, wastewater is generated during the mining process from groundwater produced during coal extraction, from water used by operators for equipment cooling and dust control, and from precipitation entering mines. Wastewater is also produced during the coal-preparation process, and from contaminated storm water at coal-storage facilities. Wastewater from coal operations must be treated to remove suspended solids and other contaminants before release.

Galvanic systems can optimize your wastewater-treatment process with real-time suspended-solids monitoring so your system can adjust automatically as conditions change the precise amount of chemical flocculant necessary to remain in compliance. This helps avoid crisis events and potential fines due to under-dosing of chemical flocculants; and overdosing, which adds unnecessary costs and contributes to chemical flocculate waste.

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