Products Description
A recycling method for waste silicon slag discharged in the production of zirconium dichloride, wherein the waste silica slag is first converted into sodium silicate aqueous solution, and after filtration, the filtered residue is directly used as a raw material for the preparation of zirconia dichloride products; The filtrate is crystallized, the crystallization product is filtered, the resulting filter cake is dried, and all the products are made into 4A molecular sieve products, and the waste silica slag is completely recycled.
Products parameters
| Type | Chemical Composition (%) | ||||
| Si | Al | S | P | C | |
| ≤ | |||||
| Silicon Slag 35-38 | 35-38 | 5 | 0.1 | 0.05 | 5 |
| Silicon Slag 38-42 | 38-42 | 5 | 0.1 | 0.05 | 5 |
| Silicon Slag 42-47 | 42-47 | 5 | 0.1 | 0.05 | 5 |
| Silicon Slag 50-55 | 50-55 | 5 | 0.1 | 0.05 | 5 |
| Silicon Slag 55-60 | 55-60 | 5 | 0.1 | 0.05 | 5 |
| Silicon Slag 60-65 | 60-65 | 5 | 0.1 | 0.05 | 5 |
| Size | 10-50mm 90% min/10-70mm 90% min /10-100mm 90% min | ||||
Products cooperation picture
1.A method for preparing lead slag glass-ceramic by oxidative quenching and tempering of silicon-rich silicon slag belongs to the technical field of resource utilization of smelting slag rich in elemental silicon. The silica slag rich in elemental silicon is mixed with oxidant, flux and clarifier according to the formula ratio, and the quenched and tempered raw materials with uniform size are obtained after ball milling and screening, and the quenched and tempered raw materials are formed into an oxidized molten conditioner after being oxidized and melted at high temperature. The base glass is obtained after the molten conditioner is further mixed with hot lead slag and quenched with water, and the obtained base glass is formed into glass-ceramic after heat treatment. The present invention prepares base glass after oxidizing and quenching the smelting slag rich in elemental silicon and mixing it with hot lead slag, and obtains glass-ceramic after regulating the heat treatment system of the base glass. The process flow is simple, the production efficiency is high, the cost is low, and the synergistic high-value conversion goal of silicon-rich silicon slag and lead slag is realized, and it is easy to be industrialized and popularized.
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