Manganese ore (PGM) and powder active carbon (PAC) are used in static experiment to decolorize dyestuffs Rhodamine B and methyl orange wastewater.

利用除铁用锰矿砂（PGM）为处理剂进行罗丹明B与甲基橙模拟废水的静态脱色试验，并与粉末活性炭（PAC）进行对比。

youdao

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。

youdao

The red, pink, cyan, and orange Pac-Ghosts are not really opponents (in the sense that they are not trying to outplay you or compete toward the same ends).

FORBES: Against Tranquility! Pac-Man, Time Management, and Distractions.