Soda ash is produced by the double-alkali process, with ammonium chloride as a by-product; the sodium chloride content in this ammonium chloride is above the specified limit. What could be the reasons for this?

2026-01-12View Original

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Soda ash is produced using the double-salt process, with ammonium chloride as a by-product. One of the specifications for ammonium chloride is that the sodium content must be less than 1.6%; no violations of this specification were observed during the previous years of production. However, recently such violations have occurred every ten days to half a month, and this has happened eight or nine times already. Each time such a violation occurred, process adjustments were made. Today marks the 10th day since the last adjustment, and it is hoped that no further violations will occur. Have anyone in the double-salt industry encountered this problem? How was it resolved in the end?

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Soda ash is produced by the double-alkali process, with ammonium chloride as a by-product; the sodium chloride content in this ammonium chloride is above the specified limit. What could be the reasons for this?

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