Chromium in Industrial Wastewater: Sources, Regulations and Treatment Solutions

Treating chromium in industrial wastewater requires identifying whether it is present as Cr(III) or Cr(VI). Discover the main sources of chromium pollution, applicable regulations and treatment solutions, from reduction and precipitation to polishing with reactive mineral media.

Cadmium: A Pollutant Under Increasing Regulatory Pressure

Cadmium is a highly toxic and persistent pollutant subject to strict discharge requirements. Discover why it remains difficult to remove from industrial wastewater and how apatite-based polishing can help achieve very low residual concentrations.

Zinc pollution in water: sources, impacts and industrial treatment solutions

Zinc is widely used in industry but can become a harmful pollutant when discharged into wastewater. Discover its main sources, environmental impacts and the treatment solutions available to meet increasingly stringent discharge limits.