In which treatment waste water is filtered, disinfected with chlorine and any leftover salt is removed?
کس علاج میں گندے پانی کو فلٹر کیا جاتا ہے ، کلورین سے جراثیم کشی کی جاتی ہے اور کوئی بچا ہوا نمک ہٹا دیا جاتا ہے؟
Answer: Tertiary
Explanation
Tertiary treatment involves filtering, chlorination, and removing salts to further purify wastewater.
It is the final and most advanced stage of wastewater treatment.
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