Environment Protection

In environmental protection area, nitrogen acts as inerting gas to prevent the generation of harmful or combustible gases that may lead to danger to equipment, by isolating the oxygen required by these gases.

In dyeing application nitrogen play very important role in following aspects:
Firstly it prolongs the storage time of mother liquid with more stabler compositions, which decreases its consumption to save cost.
Secondly using nitrogen will reduce the evaporation and consumption of sodium hydrosulfite and caustic soda by sealing dye vat.
Thirdly using nitrogen extends the the rate of dyeing by prolonging the dyeing liquor permeation time.
Fourthly using nitrogen reduce the consumption of dye liquor to 2/5 of not using it, which not only reduces cost but also is benefit for environment protection.

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