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| 1. What does "ESP" stand for? | Emulsion Splitting Process, or also known as clay flocculation or encapsulation. |
| 2. What is an ESP System? | The ESP Systems are clay encapsulation batch systems designed to remove suspended solids in the form of metals, inks, dyes, penetrates, emulsified oils and organic materials that are part of a waste stream. |
| 3. Why would I use an ESP System? | When the waste stream is such that it cannot be discharged to a POTW or to ground because of dissolved metals or other hazardous materials in the stream. |
4. Can I recycle with an ESP System? |
Yes, recycling is an option with the ESP. The system can be set up with storage tanks and an ozone system to collect and post-treat and redeliver to a washer. |
5. Is the system automated? |
Yes, the system is fully automated, monitoring of all of its critical functions and consumables. When the system needs attention, it will alert operators. |
6. What is the system constructed of? |
All of the components that are in contact with the waste stream are constructed of PVC or Polyethylene. This ensures that the system will last for many years being impervious to rust or corrosion. This is a great asset if the system is treating highly corrosive waste streams. |
7. How much water can the ESP Systems treat? |
Four systems are available with batch treatment capacities from 200, 500, 800 and 1,200 gallons per hour. If treatment capacities are less, then our FS Series can be utilized. The FS Series are manual systems that can treat batches from 30, 75 and 125 gallons per batch. |
8. Can the system control pH? |
Yes. In waste streams where pH is critical, such as metal hydroxides, high solids and strong bonded metals, such as Hexavalent Chromium, pH is important in the removal process. The ESP will receive information from the pH controller to determine correct treatment. |
9. How do I know if my waste stream is a candidate for ESP? |
Send us a water sample. We will test the sample in our lab and determine if your waste stream meets the criteria. We will also provide costs of operation and return on capital investment. |
10. Where do I purchase the encapsulant (clay)? |
The QF Series Encapsulant is purchased through RGF or its distributors. It is packaged in 50-pound bags. |
11. How do I dispose of the used clay? |
The contaminants that were in the wastewater are now encapsulated in the clay making them harmless. The clay holds the contaminants forever, which is why the used clay can be sent to a non-hazardous landfill. This process will make a hazardous waste stream safe for disposal. |
12. What about strong boded metals such as Chromium 6? Can they be encapsulated? |
Certain waste streams will need to be processed to reduce their potential. For instance, Chromium 6 will be reduced to Chromium 3 prior to being encapsulated. Cyanide waste streams will be reduced to cyanate, then the stream can treated. RGF has the capability to treat these streams. |
13. Ink waste streams are high in solids. Can these be treated effectively? |
If the waste stream to be treated has a high solids content, the system would be set up to use the product water to dilute the influent stream to ease the treatment process automatically. |
Copyright © 2000 RGF Environmental. All rights reserved.
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