What does wet processing involve?
Wet processes include softening processes such as garment rinsing or garment washing in industrial machines to give a broken-in look and feel, color removal processes such as bleaching, stonewashing or acid washing, and color addition such as dyeing or overdyeing (Brown and Rice, 1998).
Why wet processing is so called?
The other three streams in textile engineering are yarn engineering, fabric engineering, and apparel engineering. The processes of this stream are involved or carried out in an aqueous stage. Hence, it is called a wet process which usually covers pre-treatment, dyeing, printing, and finishing.
What do you mean by wet process?
A metallurgical process in which the valuable contents of an ore are dissolved by acid or other solvents; a leaching or lixiviation process. Opposite of dry process.
What is wet processing Why is water so important in wet processing?
In wet processing water consumption is greater than the amount of fibres processed. Water is a universal cleaning agent as rinsing and washing operations alone consume enormous amount of water.
Is chlorine a bleach?
Bleach and chlorine are the same chemical, and both will keep your pool sparkling. In truth, bleach contains the same base chemical as pool chlorine. That chemical is, of course, chlorine, and the only major difference between the two products is the concentration strength.
What are the methods of bleaching?
Bleaching Agents || Applicability and Application Methods of Bleaching Agents
- Ozone (O3)
- Bleaching Powder.
- Hydrogen Per Oxide (H2O2)
- Sodium Hypochloride (NaOcl)
- Sodium Chlorite (NaclO2)
- Potassium Dichromate (K2Cr2O7)
- Potassium Permanganate (KmnO4)
- Per Acetic Acid (CH3COOH)
Is bleach an acid or alkali?
Alkaline Products Chlorine bleach is an alkaline solution of sodium hypochlorite dissolved in water.
What is bleaching your bum?
What is it? Anal bleaching is a cosmetic treatment that lightens skin around the anus. One popular method uses chemical peels or creams to break down melanin, natural pigments in the skin. These products can also reduce the number of melanin-producing cells around your anus.
Does bleach explode in heat?
In warmer climates, Sodium Hypochlorite (bleach) in any strength from 2.5% to 12% has a reaction as it breaks down called “off-gassing” where it converts to gaseous form. If not allowed to vent, it will expand in the container and eventually explode.
Can bleach set on fire?
Bleach is a generic name for a variety of chemicals that are used to remove stains form fabrics. The most common chlorine based bleach is not flammable, however, it can potentially increase fire intensity or even cause an explosion due to its oxidizing properties.
Is bleach safe once dry?
Yes it can, in fact bleach can remain and continue to bleach long after it has been rinsed. Various chemicals can neutralize bleach and are usually a sodium based salt.
How long does bleach take to dry?
4. Bleach solutions require a full 10 minutes of contact time to ensure complete disinfection. If bleach solution evaporates in less than 10 minutes, a greater volume of solution should be applied.
Can you let bleach sit overnight?
If you use enough of it that the fumes bother you, you used too much, but you can leave a bit of bleach to soak stains overnight if you wish. It would be best to maybe put a sign on the bathroom so nobody urinates into the bleach water before flushing it away, as that might cause some choking fumes.