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How should the water from the gas-liquid separator after methanol conversion be treated?

2009-03-22View Original

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How should the water from the gas-liquid separator after the conversion of coke oven gas to methanol be treated? For the production of methanol from 200,000 tons of coke oven gas, about 30 tons of steam are added per hour; approximately 3/5 of this steam is used in the reaction process. The remaining 2/5 is condensed into water through heat exchangers. Initially, this water was discharged into the circulation tank, but due to the high levels of heavy metals present in it, it affected the quality of the water in the circulation system, forcing it to be discharged into sewers and thus wasted. Are there any ways to make use of this water without wasting it? Experts, please provide guidance; everyone, let’s discuss this! !
Reply #22009-03-25
What’s the principle? How to use it? Please specify!
Reply #32009-03-26
I think it is necessary to analyze this water; if the level of heavy metals is within acceptable limits and the alkalinity is also within acceptable limits, it can be sent back to the deoxygenation tank for reuse. This can **save demineralized water
Reply #42009-03-27
An acidic water stripping tower is established, and the water after stripping can then be used... I think it’s necessary to analyze this water; if the level of heavy metals is within acceptable limits and its alkalinity is also within acceptable limits, it can be sent back to the deoxygenation tank for reuse. This can **save demineralized water
Reply #52009-03-28
I think it is necessary to analyze this water; if the level of heavy metals is within acceptable limits and the alkalinity is also within acceptable limits, it can be sent back to the deoxygenation tank for reuse. This can **save demineralized water, or an acidic water stripping tower can be installed; the water after stripping can then be used.
Reply #62009-03-29
Copying others’ replies upstairs is pointless!
Reply #72009-04-15
How does the gas-liquid separator achieve gas-liquid separation after conversion? What is his principle? Thank you all!
Reply #82009-04-20
As for the principle, ask the teacher at university who teaches you chemical engineering principles; think carefully about it by combining it with the concepts of density and gravity that you learned in high school

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