Cooperative pretreatment method for biological catalysis and controlled oxidation of cotton and cotton-type fabrics
A cotton-type fabric and biocatalysis technology, which is applied in biochemical fiber treatment, fiber treatment, textiles and papermaking, etc., can solve the problem of high COD/BOD value, achieve the effect of reducing the amount of waste water, the effect is obvious, and the process adaptability is strong.
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Embodiment 1
[0032] Specifications of gray cloth: pure cotton woven fabric, mass per unit area 300g / m 2
[0033] Biological compound enzyme preparation HD-100: 5g / L, biological enzyme synergist HD-101: 1g / L, JFC: 1g / L, pH value is about 7.
[0034] Desizing process:
[0035] Cloth feeding (gray cloth after singeing) - room temperature padding and desizing working solution (moisture rate 100%) - heat preservation at 60°C for 1 hour.
[0036] Bleach Prescription: H 2 o 2 (100%): 15g / L, hydrogen peroxide controlled decomposition assistant HD-181: 10g / L, JFC: 1g / L, adjust the pH value to 11.
[0037] Steaming process:
[0038] Cloth feeding (after desizing)——Two-compartment flat wash tank for padding in cold water at room temperature (60% rolling rate)——Padding with oxygen bleaching working solution (at room temperature, 100% rolling rate)——Steam box at 98-102°C Treatment for 70 minutes—washing in two flat washing tanks at 85°C—washing in flat washing tanks at 60°C—washing in flat washin...
Embodiment 2
[0041] Specifications of gray cloth: pure cotton woven fabric, mass per unit area 200g / m 2
[0042]Biological compound enzyme preparation (wherein the mass percent of amylase, pectinase, cellulase, pulp enzyme, cutinase, protease and lipase is: 27-32%: 12-17%: 10-16%: 15-19% %: 9-12%: 8-13%: 6-9%) 6g / L, biological enzyme synergist (mass percentage is 13-22%: 32-44%: 41-52% sorbitol, chlorinated Calcium, calcium lactate complex) 1.5g / L, JFC 1g / L, pH value around 7.
[0043] Desizing process:
[0044] Feed cloth (gray cloth after singeing)——Room temperature padding and desizing working solution (100%)——Insulate at 60°C for 1 hour.
[0045] Bleach Prescription: H 2 o 2 (100%) 13g / L, hydrogen peroxide controlled decomposition assistant (mass percentage 10-18%: 20-24%: 13-18%: 11-17%: 15-21%: 17-22%: Nano hydrated silica, polyphosphonate, sodium tripolyphosphate, sodium hexametaphosphate, sodium pyrophosphate, compound of polyethylene polyamine polyalkylene phosphonate) 13g / L...
Embodiment 3
[0050] Specifications of gray fabrics: polyester-cotton woven fabric (T65 / C35), mass per unit area 200g / m 2
[0051] Biological compound enzyme preparation (wherein the mass percent of amylase, pectinase, cellulase, pulp enzyme, cutinase, protease and lipase is: 27-32%: 12-17%: 10-16%: 15-19% %: 9-12%: 8-13%: 6-9%) 3g / L, biological enzyme synergist (mass percentage is 13-22%: 32-44%: 41-52% sorbitol, chlorination Calcium, calcium lactate complex) 2g / L, JFC 1g / L, pH value around 7.
[0052] Desizing process:
[0053] Feed cloth (gray cloth after singeing)——Room temperature padding and desizing working solution (100%)——Insulate at 60°C for 1 hour.
[0054] Bleach Prescription: H 2 o 2 B Compounds of diamine tetramethylene phosphonic acid, diethylene triamine pentaacetic acid, ethylenediamine tetraacetic acid, diethylene triamine penta methylene phosphonic acid, maleic acid, phytic acid) 9g / L, JFC 2g / L, adjust the pH value to 11.
[0055] Steaming process:
[0056] Cloth...
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