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首页> 外文期刊>Dyes and Pigments >The wash-off of dyeings using interstitial water Part 5: Residual dyebath and wash-off liquor generated during the application of disperse dyes and reactive dyes to polyester/cotton fabric
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The wash-off of dyeings using interstitial water Part 5: Residual dyebath and wash-off liquor generated during the application of disperse dyes and reactive dyes to polyester/cotton fabric

机译：使用间质水部分5：在将分散染料和反应性染料施加到聚酯/棉织物的情况下产生的残留染料和洗涤液

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Both 2% and 5% omf dyeings of polycotton fabric which had been produced using commercial grade disperse dyes and reactive dyes can be washed-off using two, novel processes that utilise polyamide beads. The bead wash-off processes provided dyeings that were of similar colour, depth of shade and fastness compared to those which had been subjected to a conventional reduction clearing process in the case of the disperse dyes and a conventional wash-off in the case of the reactive dyes. The wastewater obtained from the bead wash-off of disperse dyes contained considerably lower concentrations of chloride ion as well as lower TDS compared to that secured using a conventional reduction clearing process, which was attributed to the beads having adsorbed vagrant chloride ions. In contrast, bead wash-off of reactive dyes did not reduce either the chloride ion concentration nor TDS content of the wastewater produced, because of the swamping effect of the very high chloride ion concentration. Bead wash-off also enabled significant reductions in both heat energy and water consumption to be achieved.
机译：使用商业级分散染料生产的2％和5％OMF染色，可以使用两种新的工艺洗脱使用聚酰胺珠粒的新方法洗涤。与那些在分散染料的情况下的常规减少清除过程和常规冲洗的情况下，珠子洗涤处理提供了类似颜色，阴影和牢度的染色和牢度的染色。活性染料。与使用常规减少清除过程的固定相比，从分散染料的珠子洗涤液获得的废水含有相当低的氯离子以及降低TDS，其归因于具有吸附的氯化物离子的珠子。相比之下，由于非常高氯离子浓度的淋巴效应，反应性染料的珠子洗涤不降低制备废水的TDS含量。珠子冲洗型也能够实现热能和耗水量的显着减少。

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