Tannery Wastewater Treatment

 

Tannery wastewaters are highly complex and its treatment is administered by physical or chemical or biological or a combination of those methods. From the review, it is often concluded that physical/chemical processes combined with the organic process is the better option for the treatment of tannery wastewater.

The tanning industry is one of the oldest industries on the planet and therefore the problem of treatment and disposal of those wastes is perhaps as old because of 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 neighborhood pre-treatment or no treatment in the least, sending the effluent to a centralized effluent treatment plant. Nevertheless, treatment is important thanks to the wide selection of toxic effects on the environment caused by untreated tannery effluents and sludges. the subsequent treatment steps are necessary and can be described in additional detail afterward

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