Are there any requirements for methanol transport tankers used in hydrogen production from methanol?
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In the methanol catalytic cracking hydrogen production process at our facility, during the unloading of methanol from tank trucks, it was found that some of these trucks were not using specialized tanks for transporting methanol; in some cases, they were even used to transport oil products. However, during our training, the manufacturer stated that fresh methanol should be used, with no contamination allowed, and that attention must be paid to every step in order to protect the catalyst. So, if specialized tanks are not used, could it cause contamination of methanol and what impacts might that have on the process? Ask the experienced master to clarify doubts
The catalyst becomes poisoned when exposed to oil, so a clean tank truck is required
It is recommended that vehicles that have been filled with other types of fuel should not be used to fill with methanol. If such use is necessary, the vehicle must first be upgraded to meet the required standards; otherwise, while the quality of the methanol may be affected to a minor extent, it can cause significant reputational damage to the company.
It’s useless for me to mention it; I’m just someone who wants to learn *something*. This brother’s reply was very helpful to me; I’ve learned a lot, thank you so much
Quality monitoring of this methanol raw material is required; otherwise, it’s not possible to know what has been mixed in
Methanol should not cause contamination; there are standards for using methanol in methanol-to-hydrogen conversion – check the technical specifications in the operation manual. Using oil is definitely not acceptable, as it affects the catalyst’s lifespan. When methanol arrives, samples can be taken for inspection before unloading it. A simple and straightforward method is to take a sample and visually check for oil spots; if there are oil spots or other unknown substances, it is not recommended to use the product after unloading it.
There are specific technical requirements for methanol used in hydrogen production via methanol cracking; please refer to the relevant sections of your operation manual or consult the process manufacturer for details. Otherwise, it will severely affect the catalyst’s lifespan; this is based on the same principle as strictly controlling the chloride ion content and conductivity of deionized water in the methanol-to-hydrogen production process – the aim is to protect the catalyst, prevent disproportionation reactions, and increase the hydrogen production rate. There are many types of substandard methanol: issues such as high impurity content and oil contamination.
Thank you very much for your reply; I’ve learned from it
There were things like oil flowers, but none were present. The test results also showed that everything was within acceptable limits, though only a few parameters were tested! It was during unloading that we discovered they were using tanks that had previously held other chemicals to store methanol!
It’s mainly because we have too few laboratory tests done