Q: I’m looking for detergents similar to Liquinox and Citranox, that are specially formulated for cold water cleaning conditions. Can you recommend analogs to the two?
A: For most residues, the detergency of an aqueous detergent is enhanced and hastened by heat.
Q: What is the difference between Liquinox vs. Citranox? We are using Liquinox for many of our applications but are having trouble with stainless steel cleaning cannulas with a small ID. Is Citranox the answer if the residue is inorganic?
A: Although Liquinox detergent is excellent at cleaning a host of residues, Citranox cleaner is indeed the better choice if we are fairly certain this is a largely inorganic residue.
Q. How to clean installed solar panels using minimum amounts of water.
A. For field cleaning of solar modules I recommend using Liquinox detergent. This is a concentrate that would be used at a 1% solution (1.25 oz/gal, or 10 mL/L). Liquinox is not harmful to discharge onto the ground in an agricultural setting.
Q. We are working on a new system designed to clean large solar arrays. We would like to develop a cleaner for our particular use in our solar wash system that produces an easy to maintain surface to keep module output at a maximum.
A. Installed solar arrays and panels operate at peak efficiency when they are clean. Dirt, grime, bird droppings and dust can degrade the performance of solar panels. To remove residues, use a 0.5 – 1% solution of Liquinox neutral range detergent (5 -10 ml/L or 0.65 – 1.25 oz/gallon).
Q: Since foaming is so critical to COP methods, should operators be agitating the solution(s) to produce foam before and during manual cleanings?
A: Mechanical energy, agitation, and plain old elbow grease, are vital weapons in cleaning and Clean-Out-Of-Place applications. So we would recommend that wherever possible, mechanical energy be applied to remove unwanted residues from the surface we are trying to clean. This will
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