The resistance of steel to corrosion is obtained with a number industrial processes based on Zn galvanization. However, all these methods bear relatively high price tag due the cost Zinc plates and electrolytes as well formation hazardous wastewaters containing metals acids. Wastewaters from galvanization may be grouped into two main types: Mix Rinse Water (MRW) Spent Pickling Solutions (SPS). ...

Heavy metal pollution by natural factors is a world-wide phenomenon. Release of large quantities of heavy metals without handling proper processes that could decrease the concentration of such a material is a hassle that makes strains resistant to these heavy metals apart from entering into human food chain. In this research, wastewater of four firms in Guilan province such as Foolad, Risandegi...