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Aluminum fluoride is produced from fluorosilicic acid, a by-product of phosphate fertilizers; silica gel filtration results in a relatively high moisture content

2019-04-16View Original

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Aluminum fluoride is produced from fluorosilicic acid, which is a by-product of phosphate fertilizers. Silica gel has a relatively high moisture content; belt filters are currently used for filtration, but the moisture content after filtration remains around 60%. Do anyone have any good suggestions, including those related to equipment and processing methods?
Reply #22019-05-06
With the addition of a centrifuge, it is necessary to re-pulp the filter cake before feeding it into the centrifuge. Incorporating this step into the production process requires a lot more work; unless it is a critical part of the process, such a method is generally not adopted. We are hoping to hear from others if there are any better filtration devices suitable for producing silica gel using this type of process.
Reply #32020-01-19
No matter how much this type of silicone is dried, its water content remains high; it can only be reduced by drying it at temperatures over 200 degrees, but this causes significant damage to the material. To solve this problem, it is necessary to consider the reaction process involved. QQ971704129
Reply #42020-03-30
16638138704 same as WeChat

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