rice husk ash造句

They took something called rice husk ash: the leftover husks from processing rice is burned for energy, and the ash remains. It's high in silica and carbon.

The rice husk ash abandoned by the factory after burnt was used to prepare sodium silicate after reacted with alkali liquor.

If it proves successful, they will begin construction on an full-sized furnace that can produce 15,000 tons of rice husk ash annually.