Talcum powder – a good helper for oily wastewater treatment
China Powder Network News At present, environmental protection has been included in the national key work deployment, requiring environmental protection inspections to be an important starting point to promote the construction of ecological civilization. The oily wastewater mainly comes from cooling lubricants in the petroleum industry, steel, gas workstations, and machinery industries. The oil surface in the wastewater causes the water body to lose its self-purification ability and destroys the ecological balance in the water. It not only harms human health, but also affects the production of crops.
At present, air flotation is the main method for treating oily wastewater. However, this method consumes high energy, uses a lot of flocculants, and occupies a large area. Other methods such as electrochemical methods, adsorption methods, etc. also exist. Disadvantages include high operating costs and small scope of application.
In recent years, some experts have conducted in-depth researc...