RYDALL HD Heavy-Duty Degreaser

Call 630-820-8888 for more information!

 

RYDALL HD is our new biodegradable, non-hazardous, citrus based, Heavy-Duty industrial degreaser. It is a water soluble, non-butyl, non-phosphate, non-corrosive, emulsifier.

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Product description

RYDALL HD Heavy-Duty Degreaser is our new biodegradable, non-hazardous, citrus based, Heavy-Duty industrial degreaser. It is a water soluble, non-butyl, non-phosphate, non-corrosive, emulsifier. This innovative product is used specifically on hydrocarbon based derivatives that are found on the oil or process side of equipment, simply by circulating through the equipment.

RYDALL HD heavy duty industrial degreaser, may be utilized among many applications including:

  • Heat exchangers
  • Rig wash
  • Tube bundles
  • Oil coolers
  • and other hydrocarbon contaminated equipment.

This equipment can be found numerous industries including:

  • Petrochemical
  • Pharmaceutical
  • Pulp and paper
  • Power
  • Plastics
  • or similar industries

RYDALL HD Heavy-Duty Degreaser Cleaning Procedure:

The way in which RYDALL HD works, is that the chemical component of the cleaning solution demulsifies the light carbons with non-aggressive ingredients. It breaks the oil bond that holds together all of the different hydrocarbons that comprise the fouling residue. Our highly concentrated RYDALL HD is utilized in a diluted format and is typically heated to between 140-160ºF (60-71ºC), but may also be used at ambient temperatures. As such, the water component becomes an integral part of the RYDALL HD flushing the demulsified particles off of the fouled surfaces. The heavier hydrocarbons (tars, cokes, varnishes, etc.) are washed out as well, even if they are not completely emulsified. This is because the underlying principle of our chemistry is to simply break the oil bonds that are holding all of the particles together to release them so they can be easily removed by the flowing solution. Thus, restoring flow rates and volumes, ultimately returning your equipment back to “as new” or peak operating efficiency.

Although most every RYDALL HD application is slightly different, and technically covered under a case-by-case basis, the fundamentals are essentially the same. Use at 25-50% dilution for circulation applications, pumping in the bottom, up and through the top of the equipment for the prescribed amount of hours (typically 4-6 hours). For surface and pressure washer applied applications, dilute at 10-50% depending on the severity of the surface contamination.

Product Features

  • Fast: Reduce process equipment downtime resulting in more profits due to increased operating time.
  • Safe: Utilize metal compliant chemistries to effectively remove fouling deposits down to bare metal.
  • Easy: Does not require disassembly of equipment, thus saving labor, time and money for the plant.
  • Simple: Non-toxic, easy to handle, and able to be applied by your own plant personnel.
  • Biodegradable: Product is expected to be readily biodegradable.

Instructions (Circulation)

  1. Isolate and drain the oil or process side of the exchanger to be cleaned.
  2. Install valves between the isolation flanges and the heat exchanger on both the supply and return. On larger volume applications, we recommend a 2” inlet/outlet as a minimum. The larger the valves and hosing, the better the flow and performance of the RYDALL HD heavy duty industrial degreaser.
  3. The same principle applies for the circulation pump as with the valves and hoses. We recommend a 90-140 GPM (340-530 LPM) flow rate for the RYDALL HD heavy duty industrial degreaser circulation pump. The better the volumes and flow rates of the pump, the better the performance of the cleaning solution.
  4. Generally, the circulation system described above, will circulate the RYDALL HD heavy duty industrial degreaser from a tote or Baker tank, to a high flow rate pump, to a plate and frame steam heat exchanger (to elevate the temperature to between 140-160ºF (60-71ºC)), in through the bottom of the equipment and out through the top, and finally back to the circulating tank.
  5. Ascertain the proper quantity of RYDALL HD heavy duty industrial degreaser for this particular job. Most applications require between 25-50% aqueous dilution of the total volume of the equipment or system to be cleaned.
  6. Pump all of the required RYDALL HD heavy duty industrial degreaser into the exchanger. Once that is accomplished, begin to add water to the tank until a stable circulation is realized.  Once the level desired to maintain circulation is reached, turn off the water supply.
  7. Continue circulating the solution for the recommended amount of time. The time required to completely clean your application will depend on the severity of the deposits to be removed and the system volume. As a general guideline, most applications will require between 3-6 hours of circulation. Heavy deposits or volumes over 1,000 gallons (3,785 liters) may require 6-10 hours of circulation. (Please consult with your RYDALL representative or our technical staff for the recommended circulation time). As the circulation progresses and the cleaning solution removes the deposits from inside the unit, the volume will increase. To account for the increase in volume, please add water to the circulation vessel, as needed.
  8. The cleaning solution exiting from the heat exchanger is filtered through a “balancing” tank, which basically holds a portion of the solution, letting the lighter hydrocarbons emerge and float on the surface, and the heavier hydrocarbons sit at the bottom of the tank. The “clean”, filtered solution that re-circulates back to the heat exchanger is drawn from the middle of the balancing tank. We occasionally use two inline industrial filters to separate the heavier particles when the infrastructure allows.
  9. Upon completion of the recommended circulation time, all of the solution should be pumped back into the Baker tank.

FAQ

Q: How cost-effective is RYDALL HD  compared to other cleaners or degreasers?
A:  RYDALL HD  is highly concentrated with most applications requiring only 10-50% aqueous dilution of the total volume of the fouled equipment giving you more bang for your buck.

Q: RYDALL HD  works great on my fouled oil bundles, but can it be use on other surfaces or applications?
A:  Of course! As a heavy-duty degreaser, RYDALL HD  is excellent at removing the heaviest of hydrocarbons (e.g. tars; cokes; varnishes) from virtually any surface.

Q:  I have used RYDALL HD  at ambient temperatures and it worked well. Is it really necessary to increase the temperature?
A:  For optimal results, we recommend that RYDALL HD  should be heated to 140°-160°F at a flow rate of 90-140 gpm.