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The process and benefits of thermal disinfection

Posted on Dec 04, 2020

At CLEAN we are focused on providing the highest standard of cleanliness for our customers and their guests. To ensure the highest standards are achieved for our linen and towelling items, we utilise thermal disinfection and swabbing measures within our laundering process.

The process and benefits of thermal disinfection - News - CLEAN Services

What is thermal disinfection and why do we use it?

Thermal disinfection is a method of sanitation which relies on moist heat to kill bacteria and viruses by exposure to a specific temperature for a set amount of time.

How do we use it?

At CLEAN, we exceed UK regulations by washing at and holding the 71°C threshold temperature for more than the standard three minutes to completely ensure that the product is safe and fit for use by our customers. This process also meets EU standards for chemical sterilisation. The result is a hygienically clean product that is then rinsed until pH neutral to avoid causing any skin irritation.

The temperatures are continually monitored by the laundry, reducing the risk of linen and garments being infected by any virus or bacteria, including COVID-19. In addition, we carry out water quality checks and monitor throughout washing on our Continuous Batch Washers, so we can ensure linen and garments are cleaned effectively.

What happens once the linen has been washed using thermal disinfection?

Following the thermal disinfection process, the bed linen is ironed dry at 190°C and towelling is dried at 90-100°C for more than 15 minutes. It is then swab tested to validate thermal disinfection, as part of our improved quality control system.

All linen, towels and garments are packed in shrink wrapped plastic to maintain the highest level of hygiene and cleanliness. Clean linen, towels and garments are then delivered in fully enclosed laundry cages or with hygienically clean bags placed over the laundry cages, to reduce any possible risk of cross contamination during the delivery process.

Key benefits of thermal disinfection:

  • Thermal disinfection not only prevents cross-contamination and improves infection control compliance, but it also does it with impressive speed – it only takes a few minutes
  • Thermal disinfection will kill a multitude of common microorganisms and bacteria, and is widely used in medical processes
  • Any chemicals used in the wash process are rinsed out of the fabric to leave it pH neutral and ensure no harmful residues remain

In conclusion, thermal disinfection is how we can guarantee that our linen is washed, prepared and delivered to our customers in pristine condition and meeting our high hygiene standards.

Follow the link to find out more about how CLEAN is using thermal disinfection to work safely and reducing risk of COVID-19.


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Winner of The Green Apple Award Winner of ‘Most Innovative Company’ 2017 at the Laundry And Drycleaning Awards (LADAs) recognising companies, individuals, services and products that showcase a new level of customer service and professionalism within the industry. Awarded the ‘Sustainable Supplier’ title at the 2017 Footprint Awards; recognising organisations at every stage in the food supply chain from growers, producers, manufacturers and distributors, through to all hospitality and foodservice operators in both public and private sectors, their suppliers and other stakeholders. CLEAN has joined the list of inspirational British companies to feature as a 2016 finalist in the Amazon Growing Business Awards 2016: shortlist in the 'Company of the Year – Larger Firm category'. Winner of ‘Commercial Laundry of the Year’ 2016 at the Laundry And Drycleaning Awards (LADAs) recognising companies, individuals, services and products that showcase a new level of customer service and professionalism within the industry. RoSPA Gold Merit Award (achieving Gold Standard for a 5th consecutive year). Recognised internationally, the RoSPA Awards have become one of the most sought after accolades for many organisations from every industry sector.