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Landfill Leachate Treatment with VSEP

Best management practices can be used to reduce the volume of leachate produced from a landfill and also to reduce the toxicity of the leachate. These steps will reduce the risk to the environment, however, even with best practices, landfill leachate requires treatment.

There are a host of treatment technologies that can be used to treat leachate, however each has its limitations. The conventional treatment process uses several treatment technologies in series to accomplish the desired end result: clean water for discharge.

Typical technologies include the following:

Technology

Targeted to Remove

Problems

Flocculation

Suspended Solids

Selective removal

Sedimentation/Clarifier

Suspended Solids

Long residence time

Media Filter (Sand, etc)

Suspended Solids

Media Replacement Cost

Chemical Treatment

Heavy Metals

High Operating Cost

Ion Exchange

Heavy Metals

Poor Selectivity

Oxidation

Bacteria, Cyanide, Organics

High Operating Cost

Air Stripping

Ammonia and VOCs

Air Emissions Permit

Biological Treatment

Organic Pollutants

Footprint is large

Aerated Lagoons

BOD

Partial Solution

Many landfills currently employ one or two of the above technologies for temporary or partial solutions, while others use a combination of several technologies to achieve acceptable levels of ammonia, COD, BOD, and heavy metals.

A Typical Landfill Operation
 

 
 

Historically, fouling and difficult operation have limited the use of RO membranes in landfill operations. In contrast, New Logic's VSEP RO membrane system unlocks the potential of RO membranes for treatment of leachate through the power of vibratory enhanced separation. As the only technology able to separate all of the pollutants found in landfill leachate in a single step, VSEP RO has been successfully deployed at landfills around the world. Although you can find other membrane systems at landfills, these require elaborate pre-treatment and are truly multi-step processes requiring significant operator attention.

As any landfill operator knows, each landfill is unique, with unique cell characteristics and unique requirements for environmental compliance. That's why New Logic's custom approach is essential to designing a cost-effective VSEP treatment solution to fit your project's requirements.

For a typical landfill leachate process flow diagram with mass balance, please click here.

To learn more, choose a link below:

Case Studies and Application Notes

Technical Articles

 

VSEP Technology

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New Logic Research, Inc. | 1295 67th St., Emeryville, CA 94608-1120 | Toll Free: 888-BUY-VSEP | Phone: 510-655-7305 | Fax: 510-655-7307 | Email: info@vsep.com
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