低温洗衣案例研究

Launder at low temperature for sustainability and lower costs

医院, 护理院, hotels and others who run on-premises laundries can dramatically improve sustainability and cut costs by moving to lower wash temperatures. Maintaining top-class performance is vital in such operations, but that’s readily achievable with modern professional 洗衣 products that use a variety of advanced ingredients.

洗衣

On-premises laundries need to process large volumes of fabrics and garments like bed linen, 毛巾, 长袍, 桌布, 制服和工作服. Laundered items must look fresh and clean and feel comfortable because appearance and aesthetics are vital for customer approval and sense of wellbeing. Wash processes should also be as gentle as possible to prolong fabric life, which minimizes the waste and cost of replacement items.

Many 洗衣 applications also need effective disinfection of fabrics to eliminate the risk of transmission of infection. 一般, there’s a duty of care to the customer but in healthcare settings, where patients and users are likely to have reduced immunity, 这是至关重要的.

There has been some reluctance to move away from high temperatures of 70oC which were seen as the best assurance of effective disinfection, though in fact this depends heavily on maintaining high temperatures for specific periods of time. But this is fast changing as the efficacy of modern products at lower temperatures is increasingly demonstrated through practical experience and quality assurance as well as standard disinfection testing.

Reducing wash temperatures can also substantially reduce cycle times because most on-premises machines heat water internally: the higher the temperature, 需要的时间越长. Shorter cycles mean greater productivity from the machine and the operators.

Modern 洗衣 products now rely less on traditional bleaches and brighteners, and use clever combinations of advanced actives, including low temperature bleaches and bleach activators, 和先进的酶.

Two examples illustrate what is now being achieved:

  • 酒店洗衣房 能源饿了, 有大量的床单, 毛巾和袍子要洗, and temperatures of 60oC or over are regularly used. Energy savings of 35 – 45% can potentially be achieved by washing at 40oC rather than 60 oC. This not only saves the fuel used to generate the energy, it eliminates the corresponding release of CO2 to the atmosphere, and of course it cuts costs proportionately.
  • One hotel studied found that by re-setting machines to 40oC instead of 60 oC, and choosing products which were kinder to cotton, 将寿命延长三分之一, it was able to reduce its energy use per cycle by almost half. Shorter cycle times also increased overall productivity.
  • 疗养院 洗衣 had routinely washed fabrics including bed linen and 毛巾 at 71oC. 确保有效消除S. 金黄色葡萄球菌,包括MRSA和C. difficile were critical requirements in this setting. 通过把机器调到40摄氏度, and using a combination of advanced 洗衣 products which were shown to give effective disinfection at that temperature, performance was fully maintained with no discernible effect on fabric cleanliness or quality. Costs were slashed by a remarkable 65%, with a corresponding environmental benefit from eliminating the fuel use and CO2 release.
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