| 摘要 |
A pellet for use in a glass batch process is disclosed which comprises a first layer comprising sodium carbonate and a second layer comprising silica and calcium carbonate enclosing the first layer where the first layer comprises 81% or more sodium carbonate by weight of the whole content of the pellet. The pellet may comprise water, an aqueous solution of sodium silicate, an aqueous solution of sodium carbonate, clay or cement as a binder. The pellet may further comprise additional layers and decolourisers. Also disclosed is a method of forming the pellet and its use in forming glass. |
