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Global Cleaning 2014

INFO Typical washing mistakes you can avoid use too much powder, the cheaper product ends up being more expensive. And using too much powder often leads to quality Overfilling the washing machine drum problems, like streaks and spots on the floor after mopping. Setting the rinse cycle too short Installing the automatic dosing system is a sensitive operation. It Selecting the wrong washing cycle is generally recommended to leave the installation and setup of an automatic dosing system to the washing machine expert or Over or under dosing technician, even if the companies supplying the chemicals like to Using the wrong chemical solution offer this as a free service. The advantage of letting a pro take care Setting the water level too high or too low of this step: the detergent and the quantity of detergent will be Setting the wrong temperature holding time optimally adapted to the textiles that have to be washed as well as to the process and equipment used. In addition, in case of Setting the temperature too high or too low damage to the washing machine, you have someone to talk to, and Using the wrong combination of detergent and temperature you won’t void the equipment manufacturer’s warranty. Also, getting the calibration right usually makes it unnecessary to add because the washing cycle is significantly longer and the risk of washing additives. damaging microfiber mops increases – even if the label says that Liquid detergents often use three main components: the detergent washing at 90°C is all right. The problem comes from the higher itself, additives, and a bleaching agent of disinfectant. In a rate of calcium precipitation, and that makes using the right hos pital, where the floors are cleaned on a daily basis with a fresh cleaning dosage all the more important. Calcium deposits in the mop, mops never really get so dirty that you would need a bleaching textile, which occur as a result of the wrong dosage, seriously agent or other additive to boost cleaning performance. It’s easy to impact the durability and longevity of cleaning textiles. verify if one or the other component can be left out of the mix. The important thing is to look at mop, detergent, water hardness Besides saving money on detergents, you will also find that your and temperature as a combination of factors. The optimal mops last longer. Unless, of course, the hard-to-remove cationic com bination will save money and headaches. For instance, using surfactants present in disinfectants require extra-strength a disinfecting detergent designed for use at 60°C with a washing detergents to fully and completely remove any chemical residues. cycle at 90°C will not yield optimal results. If the detergent If the residues cannot be washed out, the mop will soon start losing dosage is increased to address higher water hardness, but the its effectiveness. water hardness is actually lower, the mop won’t survive. All it adds With modern liquid detergents, you also have to think about mop up is a waste of money at extra cost to the environment. prepping and storage. One of the goals, here, is to prevent the mop from drying up. Manufacturers usually promise mops will stay Wrong washing shows on the floor moist for up to 48 to 72 hours, and some even put it in writing on Quality checks have shown that it is definitely worth it to regularly certificates. These are realistic assurances and it saves having to inspect the washing process. You wouldn’t believe the bad habits dry the mops. However, there is a catch. You will end up cleaning that form over time and how much they cost. A bad cleaning result, all the areas, even the tile floors or safety tiles in the bathrooms like streaks on the floor, for instance, can come from bad washing. and stairwells with the disinfecting detergent. If the conservation Smeared floors are quite commonly a consequence of mops that agent then also makes it into the rinse bath, costs can escalate. have not been properly cleaned. At the very latest, when the mop The real problem is that mop fibers are constantly subjected to covers are worn out and new ones have to be procured is a good time alkalinity, which is detrimental to durability. Depending on the to revisit the washing process. In practice it is, however, type of mop fiber and storage conditions, it would be worth it to unfor tunately often the case that the purchasing department opts check if drying is necessary in the first place. And, depending on for the cheaper mops. This can negatively impact the entire washing fiber composition, you might even be able to do away with drying process and is not conducive to attaining the actual objective. Still, completely, but that should first be discussed with the people a general rule of thumb as to the right types of products and the responsible for hygiene considerations. right combination is hard to lay down. Andreas Carl | heike.holland@holzmann-medien.de Detergent: liquid or powder? Besides deciding on the right temperature and whether or not to use disinfecting washing, there is also the issue of whether to use liquid or powder detergent. Safety, convenience and, in the long run, cost-effectiveness, clearly point to the merits of liquid detergent coupled with an automatic dosing system. Liquid detergents may Andreas Carl is a cleaning systems and facility economics consultant | seem more expensive than their powder counterparts, but if you www.carlweb.de 40 GLOBAL CLEANING | April 2014  


Global Cleaning 2014
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