How Can I Treat And Dispose Of My Old Metalworking Fluids?
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How Can I Treat And Dispose Of My Old Metalworking Fluids?



Metalworking fluids are a critical part of machining. In fact, 2.5 million metric tonnes of metalworking fluids were sold worldwide in 2016 alone.

But even the best metalworking fluids won't last forever. And eventually, you'll need to treat and dispose of them.

Why do I need to dispose of my metalworking fluids?

There are many different reasons why you might need to treat and dispose of your old metalworking fluids. Some of the most common reasons include excessive contamination, filter malfunction, and rancidity.

Other reasons you might dispose of your metalworking fluids are performance indicators. These include bacteria counts, mold counts, concentration, pH, and oil contamination.

How are metalworking fluids treated and disposed of?

Before you choose a waste treatment method for your older metalworking fluids, it's important to first consider the following:
  • The volume of the waste you're removing
  • The characteristics of the waste
  • Whether you have an available sewer disposal
  • Whether you have contract hauling services available to you
  • Whether there are RCRA regulations about the disposal of your waste
  • Whether there's a potential for liability
  • What labor, chemicals, and equipment you'll need for onsite treatment

Potential pre-treatment standards you'll need to meet

There are two common disposal options available to you to dispose of your old metalworking fluids. The first is contract hauling. And the second is treatment for sewer disposal.

These disposal methods are necessary because old metalworking fluids have become contaminated with bacteria, oils, metals, and more. Because of this, your old fluids require a treatment prior to disposal as according to local, state, and federal law.

How do I treat metalworking fluids for disposal?

You're able to treat your metalworking fluids for disposal in three ways. The first is physical treatment.

Physical treatment methods include evaporation, membrane separation, and reverse osmosis. In some cases, you may need a permit for physical treatment.

The second method is chemical treatment, which is best used for removing metals in oily wastewater.

And finally, there's biological treatment, which is degradation by bacteria. Biological treatment is great when used as a secondary or tertiary treatment.

Where can I buy new metalworking fluids?

Whether you're looking for Brayco 300, Brayco 363, Brayco 460, or Brayco 795, Santie Wholesale Oil Company has the wholesale industrial supplies you need to succeed. To learn more about our industrial lubricants and specialty lubricants, contact Santie Wholesale Oil Company today.


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