emew Blog

Can I recover copper from this?

Posted by Trevor Bergfeldt on Oct 11, 2016 10:11:32 AM

A question that we hear from Clients every day is "Can I recover {metal} from this?"  The material in question can be concentrated wastes, dilute effluents, ores, concentrates, residues, plating baths, bleed streams and so on.  It seems like a very easy and straightforward question to answer, and in some cases that is true.  In other cases, however, the answer is a bit more complicated requiring some additional information.  Let's take a closer look at the good, the bad, and the ugly when it comes to the common question "Can I recover {metal} from this?"

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Topics: effluent treatment, environmental, copper, wastewater treatment, metal recycling, mining

3 Ways Wastewater Treatment Plants Can Make You Rich

Posted by Alex Barshai on Jul 18, 2016 4:41:31 PM


Billions of litres of wastewater are treated every year in wastewater treatment plants around the world. This wastewater, both industrial and municipal, can contain various pollutants depending on the source. Wastewater may contain soap, waste products, food scraps, human waste, oils and in some cases, metals. The main goal of wastewater treatment is to preserve the environment and keep the pollutants out of rivers and oceans.


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Topics: effluent treatment

Wastewater:  Waste or water?

Posted by Alex Barshai on Jul 11, 2016 2:22:52 PM

What is wastewater effluent?

Effluent is generally considered to be water pollution. According to Wikipedia effluent is an outflowing of water or gas from a natural body of water, or from a manmade structure. United States Environmental Protection Agency defines it as "wastewater - treated or untreated - that flows out of a treatment plant, sewer, or industrial outfall. Generally, refers to wastes discharged into surface waters".  Wastewater is any water that is affected in quality by human impact on the environment.

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Topics: effluent treatment

The 3 R's of Waste Water Treatment | Electrometals

Posted by Dora Ip on Mar 29, 2016 11:46:02 AM

As many industries continue to feel the economic pressures of today's market, people are looking for ways to decrease costs and optimize current processes. In fact, a common area of interest for many industries is the waste water effluent generated at the end of the process.

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Topics: effluent treatment, environmental, Waste water treatment

How the Semiconductor Industry is Becoming A Greener Industry

Posted by Dora Ip on Mar 21, 2016 4:40:04 PM

About 10 years ago, Copper replaced Aluminum for the back end of line (BEOL) interconnects in the semiconductor industry.  This was due mainly because of some key features of Copper compared to their Aluminum counterparts:
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Topics: effluent treatment, environmental, copper, Waste water treatment, semiconductors