Explaining Water Treatment

The first step in establishing a wastewater treatment process is to identify the primary reasons for treatment. Why is treatment required?

The key driver may be high-level process optimisations driven by upper management; or specific issues requiring immediate remedy, as flagged by frontline operators and engineers.

Common reasons for industrial wastewater treatment are:

1. High wastewater disposal costs

2. Changing government/EPA (Environmental Protection Agency) regulations

3. Need to reduce or supplement freshwater consumption

4. Ineffective wastewater treatment process in use:

  • Unsatisfactory treated water quality

  • Low water recovery (too much concentrated brine produced)

  • Too many reagents and/or too much power consumption

  • Equipment prone to breakdowns/fouling

5. Environmental sustainability improvement

Once the primary reasons for wastewater treatment are established, specific treatment requirements can be identified. These are usually unique to each application. The following questions can help identify specific wastewater treatment requirements:

  1. What treated water quality is required? Does the broad contaminant load require treating, or does the was