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Case Study: Ensuring Adequate Pre-Treatment
Does your wastewater treatment process include pre-treatment? We have discussed in the past how important this added process is for treating wastewater and preventing costly problems down the road.
Whether you need to recycle wash water or discharge cycled water to a public sewer system, the correct pre-treatment design can mean the difference between the efficient operation of your system and unnecessary downtime due to compliance issues and fines.
Pre-Treatment in Practice
We were recently contracted to design and build a new concrete wash rack with a trench drain. This method of pre-treatment was designed to collect wash water while also capturing excess solids from washing rental equipment.
Where the water goes from there is extremely important. We have to make sure we consider your local and federal regulations, as well as an understanding of your infrastructure requirements so that we can best decide on recycling or discharge options.
For this setup, we designed an efficient process for the water to flow from the trench drain through an in-ground oil-water separator in order to mechanically remove any floating oil prior to discharging the wash water.
Without these pre-treatment methods, there would be added stress on the wastewater treatment system and the pressure washing pumps to handle solids and grease, causing unwanted damage and repairs down the road. Other issues with poor pre-treatment can include foul smelling water or ultimately cleaning with dirty water. When you are designing your wash rack, it is important to keep these details in mind, as they not only affect the mechanisms of the system, but also make the process more labor intensive.
After the bulk of the wash rack was constructed, we added a customized container next to the wash rack to serve as a portable equipment room for the pressure washer and associated wash rack equipment.
To complete the process for the customer, a containment curb was added along the edges of the wash rack, along with splash walls to minimize overspray and ensure adequate containment of the wash water.
Evans Equipment – Your Partner for Effective Wash Rack Design
Evans Equipment and Environmental works closely with you to confirm the regulatory pre-treatment parameters for all of our water treatment systems. We have an intimate knowledge of local and federal environmental regulations, and we confirm those regulations before we determine your needs.
Infrastructure requirements also play a major role in determining design. Available footprint, electrical feeds and plumbing supply dictate if an existing water treatment system can be upgraded or if it will need a complete revision. Your needs, such as wash and settling volume, must be confirmed when designing a pre-treatment infrastructure for any new or existing water treatment system.
Expert pre-treatment consideration in your design ensures that you receive a water treatment system that is compatible with your needs and budget, while maintaining environmental regulatory compliance.
Evans is your Design Partner. Evans Equipment takes pride in providing knowledgeable solutions for all industrial wash rack needs. Our goal is to partner with you to provide professional custom designed equipment at a cost that will protect your “bottom-line,” while also meeting infrastructure and regulatory needs. Contact Evans Equipment to partner with us for your next wash rack project.