美国医院历来采用≥71.1℃的热水洗涤30分钟来清除医院被服上的致病菌。1973年以来,由于能源费用大幅度上涨,使人们开始考虑长期沿袭的这种方法有无必要。因为医院用于被服洗涤所消耗的能源占整个医院能源消耗的10～15%,大约是美国经济中商业部分能源消耗的1%;同时,现今所使用的洗涤剂已不同于过去的洗涤剂,不需要热水催化其作用;此外,洗涤后的被服并不要 U.S. hospitals have been using hot water at a temperature of ≥71.1°C for 30 minutes to remove pathogens from hospitals. Since 1973, due to the substantial increase in energy costs, people began to consider whether this method of long-term follow-up is unnecessary. Because the energy used by hospitals for washing clothes accounts for 10 to 15% of the energy consumption of the entire hospital, which is about 1% of the energy consumption of the commercial part of the U.S. economy. At the same time, the detergent used today is different from the detergent used in the past. No hot water is required to catalyze its action; in addition, the washed clothing is not required