How one electronics producer cut metals pollution by over 89%

Industrial Water Case Study

The situation:

In July 2015 California’s industrial stormwater permits became significantly more stringent

The situation:

Discharging effluent stormwatercontaining pollutants over specified limits attracts financialand legal penalties

The challenge:

A California-based supplier to the aerospace and electronics industries was dischargingmetals in its stormwater effluent

The challenge:

Aluminium, zinc, iron and copper were present in concentrations above the new stormwater limit

Al

Cu

Zn

Fe

The challenge:

The management team developed a StormwaterTreatment Action Plan…

…and began to identify effective effluent treatment technologies.

The solution:

They identified Up-Flo® Filter and took a three-step approach:

The solution:

1. An effluent characterisation study to analyse the nature of the stormwaterdischarge

The solution:

2. A performance test of Up-Flo® Filter to verify efficacy

The solution:

3. Incorporation of Up-Flo® Filter into the site’s stormwatertreatment system

The outcome:

Up-Flo® Filter reduced metals effluent to beneath discharge limits

Al

Cu

Zn

Fe

-95%

-97%

-92%

-89%

The outcome:

The management team cutthe company’s environmental pollution and reduced their financial and legal risk

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