大部分賓館、飯店的客房部使用的布草都是以白色為主，所以酒店人對客房布草的白度十分重視，如果只采用漂白，只能獲得一定的白度，但仔細觀察，你會發現布草上還會有淺黃色或褐色，這主要是織物本身對自然光線中的藍色光有微量的吸收，因此要使織物的白色達到一個理想的狀態，可定期定量對布草實施增白。那么，白色布草怎么亮白如新呢？
Most hotels and hotel room departments use white as the main fabric, so hotel staff attach great importance to the whiteness of the room fabric. If only bleaching is used, a certain whiteness can be obtained. However, upon careful observation, you will find that there is still light yellow or brown on the fabric, mainly because the fabric itself has a slight absorption of blue light in natural light. Therefore, it is necessary to achieve an ideal white state of the fabric, Regular and quantitative whitening of linen can be carried out. So, how can white linen shine as white as new?
漂白的目的
The purpose of bleaching
在洗滌過程中的漂白目的主要有兩個，一是去除織物上殘留的需經過氧化作用或還原作用方可去除的污垢，使其達到織物本身的原有色澤；二是提升白色織物及帶顏色織物的白度和亮度，使其色澤更加明亮艷麗。
The main purpose of bleaching during the washing process is to remove residual dirt on the fabric that requires oxidation or reduction to achieve its original color; The second is to enhance the whiteness and brightness of white fabrics and colored fabrics, making their colors brighter and more vibrant.
洗滌過程中的織物（如毛巾、床單、臺布等）經過沖洗、預洗和主洗流程，在程序加料合理的情況下，水溶性污垢、油溶性污垢和某些固體類污垢等一般情況都可以去除掉。但對一些色素類污垢，只能通過氧化和還原作用才能去除的特殊污垢，常規洗滌是無法徹底去除掉的，必須在洗滌過程中設置漂白程序方可達到污垢全部去除。
During the washing process, fabrics (such as towels, bed sheets, tablecloths, etc.) undergo the washing, pre washing, and main washing processes. With reasonable program feeding, water-soluble dirt, oil soluble dirt, and certain solid dirt can generally be removed. However, for some pigmented dirt that can only be removed through oxidation and reduction, conventional washing cannot completely remove it. A bleaching program must be set up during the washing process to achieve complete removal of the dirt.
漂白時間的設定
Setting of bleaching time
漂白過程中時間的長短與漂白劑的釋放時間有關。在理想的漂白溫度和理想的洗液酸堿度（pH值10.5）中，漂白劑加料一分鐘時漂白劑基本已均勻的溶于洗液中。此時有效氯均勻地釋放，在6-8分鐘時氯基本釋放完畢，這時溶液中的有效氯的濃度在10ppm。在排水時有效氯的含量應低于10ppm，所以在有效氯釋放完畢再延長漂白時間已不起作用。
The duration of the bleaching process is related to the release time of the bleaching agent. At the ideal bleaching temperature and pH value of the washing solution (10.5), the bleaching agent has almost uniformly dissolved in the washing solution after one minute of feeding. At this point, effective chlorine is uniformly released, and the chlorine is basically released within 6-8 minutes. At this time, the concentration of effective chlorine in the solution is 10ppm. The effective chlorine content should be less than 10ppm during drainage, so extending the bleaching time after the effective chlorine is released is no longer effective.
漂白溫度的作用
The effect of bleaching temperature
在漂白過程中，溫度對漂白效果十分重要，在漂白程序中選用氧漂還是氯漂進行漂白，可根據被漂白織物的特性及織物的顏色而選擇合理的運用。
During the bleaching process, temperature is crucial for the bleaching effect. Choosing oxygen bleaching or chlorine bleaching during the bleaching process can be based on the characteristics of the bleached fabric and the color of the fabric.
漂白時溫度對于氯漂是十分重要的，提高漂液的溫度可提高漂白速度，縮短漂白時間。一般情況下漂白溫度增加10℃可縮短一倍的漂白時間，如使用氯漂劑漂白，漂白的溫度一般選擇在65℃以下否則會使織物污黃、牢度下降。如使用氧漂劑可選擇70℃～90℃為好。
The temperature during bleaching is very important for chlorine bleaching, and increasing the temperature of the bleaching solution can increase the bleaching speed and shorten the bleaching time. In general, increasing the bleaching temperature by 10 ℃ can shorten the bleaching time by twice. If chlorine bleach is used for bleaching, the bleaching temperature is generally selected below 65 ℃, otherwise it will cause the fabric to stain yellow and decrease its fastness. If using oxygen bleach, it is better to choose 70 ℃ to 90 ℃.
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