Is an oxygen-alcohol ratio interlock necessary in the electrolytic silver process for formaldehyde production?
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What should be done if the oxygen-alcohol ratio interlock is unstable in the formaldehyde production process using electrolytic silver, as this can easily cause the SIS system to shut down? Must the oxanol ratio interlock be installed? Currently, there is a reactor oxygen temperature interlock. Are there any regulatory requirements in certain areas?
It must be necessary; in simple terms, concentration is what matters here, and concentration is related to the explosion limit
There aren’t that many detailed regulations; the specific interlocks need to be aligned with actual production practices. If you feel that the interlock value settings are unreasonable, you can coordinate with the design institute to make adjustments while ensuring safety. The process of converting methanol into formaldehyde is quite mature, and no significant fluctuations occur once production is stable. What you should pay attention to is whether there are issues with the production conditions that cause such fluctuations, or whether the instrumentation used is inappropriate.