- Created on Sunday, 03 December 2006 03:15
- Written by Rich Fitzmorris
"We are one of the traders in the U.A.E supplying laundry chemicals to the commercial laundries. One of our customers is washing for a few hotels and has been having a problem, with the hotels complaining that the towels are getting torn during the washing process. They are using low foam detergent, chlorine powder bleach (10%) and softener. On occasion they use alkaline detergent also."
This question is difficult to answer without additional information, so I will respond on the chemistry that you mention. It sounds like there could be a problem with the wash formula used to clean the towels. Not knowing the detergent being used I can only speculated that the product has a neutral pH in the washer process. This could be a problem if the amount of chlorine is too high in parts per million (ppm), and you are washing with hot water. When temperatures are higher than 120 degrees, there has to be a proper level of pH to control the release of chlorine in the bath. If there is inadequate pH control it is possible to damage the tensile strength of cotton after a few washings. Also when using chlorine bleach it is always advisable to dispense a concentrated product into the washers after the machine has reached the proper water level. Dropping chlorine bleach on top of the linen before level is reach will damage the cotton fibers to the point where they can be torn easily by hand.
There is no mention of the use of an anti-chlor product which neutralized any residual chlorine left in the last bath before extraction. If there is high residual chlorine in the towels, they will degrade form the drying process that heats up the chlorine and blows it off, damaging the cotton fibers.
When added alkali is used; there is no mention of using a sour/neutralizer to adjust the pH of the final product to a range that is safe and beneficial to the product and customer use.
Quick Rinse - News From Around The World
Laundry to Reduce Air Emmissions and Fund Cleaner Burning Wood Stove Purchases
BOSTON, Mass. — Alltex Uniform Rental Service, an industrial laundry in Manchester, N.H. has agreed to settle claims by the US Environmental Protection Agency that it violated the Clean Air Act by paying a civil penalty of $65,000. They will also be undertaking a Supplemental Environmental Project with a value of at least $220,000 to replace old, polluting wood stoves in southern New Hampshire with new, cleaner models. Additionally, the company will install equipment at its facility to remove approximately 20 tons per year of emissions of volatile organic compounds (“VOCs”). G&K Services is the parent company of Alltex Uniform Rental Service Inc. The EPA action grew out of an EPA inspection of the facility in July 2008.