In this paper, preparation processes of amorphous silica using Henan Zr-containing silica residue as raw materials with chemical precipitation and direct neutralization methods were researched.
本论文以河南锆硅渣为原料，研究了分别采用化学沉淀法和直接中和法制备白炭黑的技术和工艺。
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The invention improves the plastic strain of zirconium block nanometer crystal amorphous alloy through precipitation of nanometer crystal, and widens its application space.