A kind of organic mineral pretreatment method of natural cellulose fiber knitted fabric
A technology of natural cellulose and knitted fabrics, applied in the textile field, can solve the problems of high COD value, high energy consumption and high water consumption of wastewater, and achieve the effect of simplifying the process flow, reducing emissions, and excellent deep refining
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Embodiment 1
[0015] Example 1: The specific processing process of organic mineral pretreatment of white and light-colored cotton knitted fabrics is as follows: control the weight bath ratio of cotton knitted gray fabric and water to 1:8, adjust the pH value to 6.5-7.5, and raise the temperature to 55°C , then add neutral pectate lyase EcoScour 0.25% (o.w.f) and neutral cellulase MAX 0.4% (o.w.f) to the water successively, add organic substitute base MC-625 2g / L after incubation for 60min, and adjust the pH value From 10 to 11, add environmental-friendly multifunctional mineral pretreatment agent NOVECO 1.5g / L, low-temperature scouring and bleaching agent Mianlijing LTB-01 2g / L, hydrogen peroxide (27%) 10g / L, and heat up to 80°C , keep warm for 45 minutes, drain water, and finally wash with deoxygenated water to complete the organic and mineral pretreatment of white and light-colored cotton knitted fabrics.
Embodiment 2
[0016] Example 2: The specific processing process of the organic mineral pretreatment of medium-dark cotton knitted fabrics is as follows: control the weight-to-bath ratio of cotton knitted gray fabric and water to 1:9, adjust the pH value to 6.5-7.5, and raise the temperature to 55 ℃, then add neutral pectate lyase EcoScour 0.24% (o.w.f) and neutral cellulase MAX 0.45% (o.w.f) to the water successively, add organic substitute base MC-625 2.6g / L after incubation for 70min, adjust When the pH value reaches 10-11, add environmental-friendly multifunctional mineral pretreatment agent NOVECO 2g / L, low-temperature scouring and bleaching agent Mianlijing LTB-01 2.6g / L, hydrogen peroxide (27%) 9g / L, and heat up to 80°C, keep warm for 45 minutes, drain water, and finally deoxygenate and wash water to complete the organic mineral pre-treatment of medium-dark cotton knitted fabrics.
Embodiment 3
[0017] Example 3: The specific processing process of the organic mineral pretreatment of the whole hemp knitted fabric is as follows: control the weight-to-bath ratio of the whole hemp knitted gray fabric and water to 1:10, adjust the pH value to 6.5-7.5, and raise the temperature to 55°C. Then add neutral pectate lyase EcoScour 0.3% (o.w.f) and neutral cellulase MAX 0.6% (o.w.f) to the water successively, add organic substitute base MC-625 3g / L after incubation for 65min, adjust the pH value to From 10 to 11, add environmental-friendly multifunctional mineral pretreatment agent NOVECO 2.5g / L, low-temperature scouring and bleaching agent Mianlijing LTB-01 3g / L, hydrogen peroxide (27%) 12g / L, and heat up to 85°C. Drain after 50 minutes of heat preservation, and finally deoxygenate and wash with water to complete the organic mineral pretreatment of all hemp knitted fabrics.
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