Question

Specific constituents such as nitrogen, phosphorus, suspended solids, and heavy metals found in the wastewater are removed during the ______ treatment of the water recycling process.

पर्याय

• primary

• secondary

• tertiary

• none of the above

Answer 1

Specific constituents such as nitrogen, phosphorus, suspended solids, and heavy metals found in the wastewater are removed during the tertiary treatment of the water recycling process.