The results showed that the azo dyeing removal rate by direct aerobic treatment was only about 5%, while the average degradation rate of the dyeing by direct anaerobic hydrolysis reached to 60%.
研究结果表明，偶氮染料废水直接好氧处理，去除率只有5%左右，直接厌氧水解处理，染料平均降解率60%。
The invention relates to azo dye acrylic ester, and copolymer emulsion coating dyeing water-borne binder and a preparation method thereof.
本发明涉及一种偶氮染料丙烯酸酯、其共聚乳胶涂料染色水性粘合剂及其制备方法。
If dyeing wastewater, especially azo dye wastewater is let, it will seriously do harm to local aquatic environment.
染料废水，特别是偶氮染料废水，如果直接排放会对当地水环境造成不可估量的损失。
The dyeing properties of new non-azo dye (Leather Black LR-N) for leather were studied by Color Difference analysis and UV-Vis spectroscopy.
本文利用色度色差分析及紫外可见吸收光谱等研究了非偶氮皮革专用新型染料一皮革黑LR-N的染色性能。
The dyeing properties of new non-azo dye (Leather Black LR-N) for leather were studied by Color Difference analysis and UV-Vis spectroscopy.
本文利用色度色差分析及紫外可见吸收光谱等研究了非偶氮皮革专用新型染料一皮革黑LR-N的染色性能。
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