Treatment of Tannery Wastewater
Tannery wastewaters are highly complex and its treatment is administered by physical or chemical or biological or combination of those methods. From the review it are often concluded that physical/chemical processes combined with organic process is that the better option for the treatment of tannery wastewater. Tanning industry is one among the oldest industries of the planet and therefore the problem of treatment and disposal of those wastes is perhaps as old because the industry itself. Tanneries wastewater effluent is treated in many various ways. There are situations during which a private tannery applies all the below-described wastewater treatment steps on site. In other situations a private tannery may apply (on site) only pre-treatment or a neighbourhood pre-treatment or no treatment in the least , sending the effluent to a centralised effluent treatment plant. Nevertheless, a treatment is important thanks to the wide selection of toxic effects on the environment caus...