How can industrial wastewater be treated in the primary phase?

Chemical Neutralization

Sedimentation

Biological Treatment

Filtration

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Answer and Solution

Answer

B. Sedimentation

Solution:

Sedimentation is the primary treatment phase of wastewater management, which allows solids to settle out of the liquid. Chemical Neutralization and Filtration can be parts of other phases, while Biological Treatment is part of secondary treatment.

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