Mineral processing wastewater and sewage treatment is a process in which the wastewater and sewage generated in the mineral processing process are treated to meet the discharge standards. Mineral processing wastewater and sewage usually contain solid particles, organics, metal ions and other pollutants, which need to be purified and discharged through appropriate treatment methods.
The following are some common processing wastewater and sewage treatment methods:
1. Sedimentation: The solid particles are separated from the water by gravity and precipitated to the bottom to form sludge.
2. Screening: screen the solid particles in the wastewater through the physical screen to realize the preliminary Solid-liquid separation 。
3. Biological treatment: introduce the wastewater into the biological reaction tank or aeration tank, use microorganisms to degrade and transform organic substances, nitrogen, phosphorus and other pollutants, and purify the wastewater.
4. Activated carbon adsorption: by passing waste water through activated carbon bed, use the adsorption characteristics of activated carbon to remove organic matter and odor.
5. Oxidation treatment: chemical oxidation reaction is carried out through oxidants such as chlorine and hydrogen peroxide to oxidize organic substances into harmless substances.
6. Membrane separation: membrane technologies such as microporous membrane or reverse osmosis membrane are used for filtration and separation to remove suspended solids, organics and metal ions.
Appropriate treatment process and equipment shall be selected according to specific wastewater characteristics, discharge standards and treatment requirements. At the same time, environmental regulations and discharge standards shall be observed to ensure that the treated wastewater and sewage meet the corresponding discharge requirements.
To sum up, the treatment of mineral processing wastewater and sewage usually involves a variety of processes. Through appropriate treatment methods and equipment, effective waste water treatment And purification to meet the requirements of environmental protection and sustainable development.
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