The zero-valence iron process is a competitive method for treating reactive brilliant orange X-GN wastewater because of its high efficiency and low price.
从以上结果可见，零价铁法处理活性艳橙X-GN染料废水成本低廉，处理效果好，具有很好的应用前景。
2
The product, PAC, was applied to the treatment of dyeing wastewater. The effect of PAC on removing Yellow Clayton, Methyl Orange, Food Yellow and Reactive Red was investigated.
该产品应用于染料废水的处理，考察了其对不同浓度的达旦黄、食品黄、甲基橙和活性红色度的去除效果。
3
As a result, after coating, both fabrics dyed with Acid Orange 7, Reactive Red KD-8B or Direct Red f, their fastness in particular sunlight fastness was improved greatly.