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Current IssueSeptember 17, 2014
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Ask The Expert: Concerning water recycling
03/12/2001 
 
Question: Q: I'd like to ask you whether your company has a water recycling product for use in a dyeing factory. I mean that NaOH is used for reducing weight of polyester then, the wastewater mixing the polyester molecule and NaOH can be produced. So, is there a equipment for extracting NaOH from that wastewater and to make the water reusable? Please let me know the relevant information or where I can find it.

Do Hye Kim
South Korea
 

Answer: A: We are a company that publishes a technical trade journal and do not manufacture any water treatment products. However, membrane technology will remove dissolved ionic and organic contaminants from wastewater supplies. A pilot test will be required, though, before a total system design can be developed. To do this, you would need to be able to provide a complete wastewater analysis along with flow rates and an idea of what can be done with the concentrated wastewater, i.e., how it can be disposed of afterward. You should look for a company that can provide such testing as well as design engineering services for applications such as this.

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