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FAQs about BIO cleaning tables

1. How does the cleaning solution work?

The cleaning solution contains surfactants and microorganisms. The surfactants loosen contaminants from the parts. The microorganisms naturally break down the resulting oils and greases, and thus also continuously clean the cleaning tank itself. The microorganisms can break down approx. 500 ml of oil and grease per day.

2. How often should the fluid be added and/or changed?

Fluid should be added when the minimum fill mark (40 litres on Compact BIO cleaning table / 60 litres on Comfort BIO cleaning table) is reached. When the minimum fill level has been reached, the "LO" indicator will appear in the display. The liquid should only be changed if the cleaning capacity is no longer sufficient. Due to the fact that the microorganisms decompose oil, the cleaning tank should not become saturated under normal conditions. However, non-biodegradable sludge can accumulate in the tank. In order to remove this sludge, we recommend that customers replace the fluid annually.

How is the used liquid properly disposed of?

  • Do not pour down drains, have it removed by a disposal service (normally as an oil-water slurry)
  • The determination of the respective waste code for a used liquid is based on the substances the customer used the bath to remove
    Example:
    o 110113: Waste products from chemical surface treatment processes and the coating of metals and other materials - waste from degreasing, which contains hazardous substances
  • The cleaning solution is compatible with degreasers according to ÖNORM (Austrian Standards Institute) B5105

4. How does the performance of Bio cleaning tables compare to conventional parts cleaners?

Cleaning capacity depends on the type of contaminant. For conventional oils (gear oil, motor oil, cutting oil, cooling agents, cooling lubricants, etc.) and light greases, the cleaning capacity of a Bio cleaning table is just as good or better. Due to the decomposition of oil, cleaning capacity in Bio cleaning tables remains at a consistently high level, whereas it is constantly degraded in cold cleaners.

5. Are there health advantages?

Yes, the cleaning solution is non-flammable and does not contain solvents. Solvents can have an adverse effect on the nervous system (nausea, headaches, drowsiness, disturbance of equilibrium, intoxication, decrease in sensory perception / motor skills and thus productivity) and cause damage to the skin, liver and kidneys. The health risks are not associated with Bio cleaning tables.

6. Which substances should be kept out of the cleaning tank?

  • Heavy metals (e.g. chrome, manganese, zinc, lead, mercury, cadmium, nickel and arsenic): Fine dust is the greatest threat to the microorganisms, as it has a large surface area and thus quickly dissolves in the cleaning solution. The larger the particles are, the more difficult they are to dissolve and so they are captured by the filter. This could possibly be avoided by having the user first rinse off the heavy metal particles with water in a separate rinsing bath.
  • Acids and alkalis: Even a small amount of acid can significantly reduce the pH level and kill the microorganisms. Alkaline solutions are not as critical, but should also be avoided.
  • Solvents (cold cleaners), brake fluid, isopropanol, disinfectants (anti-bacterial)
  • Fuels (a few drops are not a problem)

7. Does the cleaning solution contain fluorinated surfactants?

No!

8. Does the cleaning solution contain AOX?

No!

9. Does the cleaning solution contain nitrilotriacetic acid (NTA)?

No!

10. What is the air-dry time? How long does it take for workpieces to dry after cleaning?

The drying time of the cleaner is similar to that of water. However, this is also varies depending on the ambient temperature, on the material of the workpiece, etc.

11. Does the cleaning solution contain an anti-corrosion agent?

Yes. The cleaner provides temporary corrosion protection.

12. Are there any special instructions to be observed when the device will not be used for cleaning for several days (i.e. weekends)?

The device should not be switched off completely if possible. If the flow of oxygen is restricted for several days and there is insufficient warming, the microorganisms can die off and this can cause a foul odour to occur. The Comfort Bio cleaning table can be switched to an energy-saving mode during these periods. This keeps energy costs at an absolute minimum, while eliminating the risk of killing off the microorganisms. The device can be put in energy-saving mode by pressing and holding the control button for 3 seconds.

13. Are the microorganisms genetically modified?

No.

14. Do the microorganisms pose any risks to health?

The microbial strains used in the cleaning solution are classified as risk level 1 according to the Regulation of Biological Substances Act.
This means: "Based on current scientific knowledge, there is no risk to humans or vertebrates associated with the handling of bacteria in category 1."
However, employees should wear water-impermeable, chemical resistant gloves when cleaning with the microbial liquid - just as they should when cleaning with solvent-based cleaning solutions.

15. Which substances can be broken down by the microorganisms?

  • Organic substances/hydrocarbons such as oil, cooling agents, cooling lubricants, anti-corrosive oil, light grease, etc.
  • Synthetic oils are not easily biologically degradable

16. Can the microorganisms break down vegetable oils?

No. Vegetable oils and greases are not hydrocarbons like mineral oils, they are triglycerides. The microorganisms can only break down hydrocarbons.

17. How long does is take to reach the optimum operating temperature of 41 °C when the device is initially set-up and switched on?

It takes 2 to 3 hours for the temperature to rise from 10 °C to 41 °C (depending on ambient temperature).

18. Are Bio cleaning tables worth the price compared to cold cleaners?

  • Yes, the fluid changing interval for Bio cleaning tables is up to four times longer.
  • Yes, as no additional safety equipment (such as exhaust hoods, explosion protection, breathing protection, etc.) is required.
  • Yes, as maintenance costs are less than compared to cold cleaners, because Bio cleaning tables are not subject to the 31st federal emission control ordinance and do not have to be accounted for annually like solvents.

19. How often should the filter be cleaned?

All filters are reusable and can be easily cleaned.
The sieve insert in the drain should be cleaned after each cleaning process. Large particles can be cleaned out with a paper towel.
Under normal use, the fine filter should be checked once per week and cleaned as needed. If necessary, the entire filter core can be reconditioned with a nylon sieve.

20. How high should the ambient temperature in the vicinity of the Bio cleaning table be allowed to get?

The temperature in the room should be no higher than 40 °C.

21. May the Bio cleaning table be set-up in explosion risk zones?

No. The Bio cleaning tables are not designed to offer explosion protection.
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