For active or direct red, dark brown, black, Department of fixing the role is particularly prominent.
对活性或直接大红、深棕、黑色系固色作用尤为突出。
Direct red simulation printing dye wastewater was treated with macroporous resin absorption in this paper.
研究了大孔树脂吸附法处理直接红印染废水。
And it was used as adsorbent to decolor wastewater containing direct red 4b and methyl orange. The factors affecting adsorption were studied.
以膨胀石墨为吸附剂,对直接大红4b、甲基橙染料废水进行了吸附脱色研究,探讨了影响吸附的因素。
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