如果是液体产品除硫，根据产品含硫量，把除硫剂用水稀释10—20倍，然后缓缓加入液体产品中，同时搅拌。
亚共晶铝硅合金的变质元素除钠以外，还有锶、碲、钡、锑、钾、稀土、硼、硫等。其中，应用较多的是含钠和锶的变质剂。
The modifying elements used in hypoeutectic Al Si alloys, besides Na, there are also Sr, Te, Ba, Sb, K, RE, B, S, etc.
介绍了煤炭助燃固硫除灰多功能促进剂的工作原理及在电站锅炉和水泥厂立窖上的应用效果。
This paper introduces the working theory and application effectiveness experiment of a multifunction coal accelerant that is applied to capture sulfur, support combustion and clean ash.
同常规净水剂相比，二硫代氨基甲酸盐具有除油效率高的特点。
DTC water clarifiers are featured by their high oil removing capacity.
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